Stack Patents (Class 361/301.4)
  • Patent number: 10879001
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of first and second internal electrodes alternately exposed to opposing surfaces of the body in a length direction with respective dielectric layers interposed therebetween, and first and second external electrodes disposed at opposing ends of the body in the length direction and connected to the first and second internal electrodes, respectively. The plurality of first and second internal electrodes include nickel (Ni) and antimony (Sb) or germanium (Ge).
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Jin Kim, Chang Hak Choi, Byung Chul Jang, Jin Kyung Park
  • Patent number: 10854391
    Abstract: A multilayer capacitor includes a capacitor body including an active region, and upper and lower cover regions disposed on upper and lower portions of the active region, respectively. First and second external electrode are disposed on both ends of the capacitor body, respectively. The active region includes a plurality of first dielectric layers, first and second internal electrodes alternately disposed with the first dielectric layer interposed therebetween, and first and second auxiliary electrodes disposed on the first dielectric layers on which the first and second internal electrodes are disposed, respectively. The upper and lower cover regions each include a plurality of second dielectric layers having a thickness less than that of each of the first dielectric layers, and a dummy electrode disposed on the second dielectric layers.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: December 1, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Je Jung Kim, Do Young Jeong, Do Yeon Kim
  • Patent number: 10840016
    Abstract: A capacitor component includes a body including a dielectric layer, and a first internal electrode and a second internal electrode opposing each other in a first direction of the body with the dielectric layer interposed therebetween, and having first and second surfaces opposing each other in the first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction of the body, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction of the body, and first and second external electrodes disposed in the body and connected to the first and second internal electrodes, respectively. The body has edges having a rounded shape.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: November 17, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Gon Lee, Seung Woo Song, Won Young Lee, Jin Man Jung, Taek Jung Lee, Jin Kyung Joo
  • Patent number: 10825609
    Abstract: A multilayer ceramic capacitor includes a laminated body, and an external electrode on both end surfaces of the laminated body. The external electrode includes a base electrode layer, a conductive resin layer on the base electrode layer, and a plating layer on the conductive resin layer. The amount of a curvature radius along a boundary portion between the base electrode layer and the conductive resin layer the boundary between the base electrode layer and the conductive resin layer at the ridge line of the laminated body is about 296.6 ?m or more, the long side length in terms of flattened powder value is about 10.3 ?m or more, the solid content concentration of PVC in the conductive resin layer is about 45 vol % or higher and about 60 vol % or lower, and the thickness of the conductive resin layer located at the ridge line is about 11.7 ?m or more.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: November 3, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yosuke Terashita
  • Patent number: 10818436
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and a plurality of internal electrodes disposed to face each other with each of the dielectric layers interposed therebetween; and external electrodes disposed on external surfaces of the ceramic body and electrically connected to the internal electrodes, respectively, in which the external electrode each include an electrode layer electrically connected to the internal electrodes and a plating layer disposed on the electrode layer, and a thickness of the electrode layer in a cross section of the ceramic body in first and second directions is 10 ?m or more.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: October 27, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Myung Jun Park, Jong Ho Lee, Jang Yeol Lee
  • Patent number: 10818438
    Abstract: In an embodiment, a multilayer ceramic capacitor 10 has supplementary dielectric layers 11d, each having a first cover part 11d1 that covers the space between two first base conductor films 11c on each of both height-direction faces, and second cover parts 11d2 that connect to the first cover part 11d1 and also cover parts of the first base conductor films 11c, respectively, in the length direction. External electrodes 12, 13 each have a second base conductor film 12a, 13a attached to a one length-direction face and to one length-direction edges of two first base conductor films 11c on the respective height-direction faces, and a surface conductor film 12b, 13b attached continuously to the surface of the second base conductor film 12a, 13a and also to the parts of the surfaces of the two first base conductor films 11c not covered by the second cover parts 11d2.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: October 27, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: So Sato, Yoshiaki Iijima, Takashi Sasaki
  • Patent number: 10804035
    Abstract: A ceramic electronic device includes multiple chip components and a pair of metal terminal portions. The chip components consist of a pair of chip end surfaces and four chip side surfaces. Terminal electrodes are formed on the pair of chip end surfaces. The pair of metal terminal portions is arranged correspondingly with the pair of chip end surfaces. Each of the pair of metal terminal portions includes an electrode face portion, multiple pairs of engagement arm portions, and a mount portion. The electrode face portion faces the chip end surface. The multiple pairs of engagement arm portions extend from the electrode face portion toward the chip side surface and sandwich and hold the chip components. The mount portion extends from one of terminal second sides toward the chip components and is partially substantially vertical to the electrode face portion.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: October 13, 2020
    Assignee: TDK CORPORATION
    Inventors: Norihisa Ando, Katsumi Kobayashi, Sunao Masuda, Masahiro Mori, Kayou Matsunaga, Kosuke Yazawa
  • Patent number: 10790087
    Abstract: A multilayer ceramic electronic part includes a body portion including an internal electrode and a dielectric layer, a first electrode layer disposed on at least one surface of the body portion and electrically connected to the internal electrode, and a conductive resin layer disposed on the first electrode layer and including a first conductivity-type metal particle, a second conductivity-type metal, and a base resin. The second conductivity-type metal has a melting point lower than a curing temperature of the base resin.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: September 29, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byoung Jin Chun, Hye Jin Jeong, Chung Yeol Lee, Sang Moon Lee, Hye Young Choi, Myung Jun Park, Young Sook Lee
  • Patent number: 10790088
    Abstract: An electronic device includes a chip component and a metal terminal. The chip component includes a terminal electrode formed on an element body. The metal terminal is connectable with the terminal electrode of the chip component. The metal terminal includes a terminal body and a pair of holding pieces. The terminal body faces an end surface of the terminal electrode of the chip component. The pair of holding pieces is formed on the terminal body. One of the pair of holding pieces is formed at one end of the terminal body. An adjustment portion is formed in a boundary region between the holding piece and the end of the terminal body.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: September 29, 2020
    Assignee: TDK CORPORATION
    Inventors: Norihisa Ando, Sunao Masuda, Masahiro Mori, Kayou Matsunaga, Kosuke Yazawa
  • Patent number: 10777356
    Abstract: An electronic component includes: a capacitor body; first and second external electrodes disposed on a mounting surface of the capacitor body to be spaced apart from each other; and first and second connection terminals including an insulator, electrically connected to the first and second external electrodes, respectively, through land patterns each disposed on upper and lower surfaces thereof and electrically connected to each other, and having first and second bridge portions protruding so as to face each other in the length direction of the capacitor body, respectively.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: September 15, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Heung Kil Park, Se Hun Park, Gu Won Ji, Young Ghyu Ahn
  • Patent number: 10770233
    Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Hee Hong, Chul Seung Lee, Won Seh Lee, Doo Young Kim, Chang Hoon Kim, Jae Yeol Choi, Hyeun Tea Yoon
  • Patent number: 10763041
    Abstract: A multilayer ceramic capacitor includes a capacitive portion, a protective part, and first and second connecting electrodes. The capacitive portion includes a first dielectric layer and first and second internal electrodes disposed with the first dielectric layer interposed therebetween. The protective part is disposed on one surface of the capacitive portion and includes a second dielectric layer and first and second electrode patterns disposed to be spaced apart from each other. The first connecting electrode penetrates through the protective part and the capacitive portion and is connected to the first internal electrode and the first electrode pattern, and the second connecting electrode penetrates through the protective part and the capacitive portion and is connected to the second internal electrode and the second electrode pattern.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: September 1, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Woo Song, Jin Kyung Joo, Hyo Youn Lee, Taek Jung Lee, Sung Kwon An
  • Patent number: 10763042
    Abstract: An element body of a rectangular parallelepiped shape includes a first principal surface arranged to constitute a mounting surface, a second principal surface opposing the first principal surface in a first direction, a pair of side surfaces opposing each other in a second direction, and a pair of end surfaces opposing each other in a third direction. An external electrode is disposed at an end portion of the element body in the third direction. A first length of the element body in the first direction is different from a second length of the element body in the second direction. The external electrode includes a conductive resin layer. The conductive resin layer continuously covers one part of the first principal surface, one part of the end surface, and one part of each of the pair of side surfaces.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: September 1, 2020
    Assignee: TDK CORPORATION
    Inventors: Shinya Onodera, Takehisa Tamura, Atsushi Takeda, Ken Morita
  • Patent number: 10763045
    Abstract: An electronic device including: a first chip component, having approximately rectangular parallelepiped shape; a second chip component, having approximately rectangular parallelepiped shape; and an external terminal electrically connected to a first terminal electrode and a second terminal electrode. The external terminal includes an electrode connecting component, connected to the first terminal electrode and the second terminal electrode. The electrode connecting component includes: a first component, connected to the coupling component and faces the first terminal electrode; and a second component, extends upward from the first component and faces the first terminal electrode and the second terminal electrode. Length of the second component in a width direction is shorter than a length of the first component in a width direction. Length W2 of the second component in a width direction is shorter than lengths W3, W4 of the first chip component and the second chip component in a width direction.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: September 1, 2020
    Assignee: TDK CORPORATION
    Inventors: Norihisa Ando, Masahiro Mori, Sunao Masuda, Kayou Matsunaga, Kosuke Yazawa
  • Patent number: 10755861
    Abstract: An electronic component includes an element body of a rectangular parallelepiped shape, an external electrode, and an insulating film. The element body includes a first principal surface as a mounting surface, and a first side surface adjacent to the first principal surface. The external electrode includes a first electrode part and a second electrode part. The first electrode part is disposed on the first principal surface. The second electrode part is disposed on the first side surface and connected to the first electrode part. The insulating film continuously covers an end edge of the first electrode part and at least a part of an end edge of the second electrode part.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: August 25, 2020
    Assignee: TDK CORPORATION
    Inventors: Shinya Onodera, Koki Ito, Hideki Kaneko
  • Patent number: 10748708
    Abstract: A multilayer ceramic capacitor includes a body, and first and second external electrodes respectively disposed on opposing surfaces of the body in a longitudinal direction.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: August 18, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong Bong Park, Se Hwan Bong, Mi Ok Park, Kyeong Jun Kim, Hang Kyu Cho
  • Patent number: 10734160
    Abstract: In an embodiment, a multilayer ceramic capacitor 10 has a capacitor body 11 having a first face f1 and a second face f2 in a length direction, a third face f3 and a fourth face f4 in a width direction, a fifth face f5 and a sixth face f6 in a height direction, and a first tapering face f5a between face f1 and face f5 and a second tapering face f5b between face f2 and face 5f; a first external electrode 12 that has a first part 12a along face f1, a second part 12b along face f5, and continuously a third part 12c along face f5a; and a second external electrode 13 that has a first part 13a along face f2, a second part 13b along face f5, and continuously a third part 13c along face f5b.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: August 4, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Kotaro Mizuno
  • Patent number: 10726993
    Abstract: In an embodiment, a multilayer ceramic capacitor 10 includes: a first external electrode 12 having a first part 12a provided on one height-direction face, and a second part 12b provided on the other height-direction face, of the capacitor body 11; and a second external electrode 13 having a first part 13a provided on one height-direction face, and a second part 13b provided on the other height-direction face, of the capacitor body 11. In addition, the reference length L1a of the first part 12a, and the reference length L1b of the second part 12b, of the first external electrode 12 satisfy the relational expression “L1a>L1b,” while the reference length L2a of the first part 13a, and the reference length L2b of the second part 13b, of the second external electrode 13 satisfy the relational expression “L2a<L2b.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: July 28, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: So Sato, Yoshiaki Iijima, Takashi Sasaki
  • Patent number: 10714264
    Abstract: A metal terminal is connectable to terminal electrodes of chip components arranged side by side. The metal terminal includes units corresponding to each chip. Each unit includes an electrode facing portion, a pair of upper and lower holding portions, a mount portion, and protrusions. The electrode facing portion faces the electrode of the chip. The pair of upper and lower holding portions holds the chip. The mount portion is located below the lower holding portion of the electrode facing portion. The protrusions protrude from the electrode facing portion toward the electrode. The protrusions in each unit are arranged substantially line-symmetrically to a virtual center line passing through a middle point between the upper and lower holding portions.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: July 14, 2020
    Assignee: TDK CORPORATION
    Inventors: Norihisa Ando, Sunao Masuda, Masahiro Mori, Kayou Matsunaga, Kosuke Yazawa
  • Patent number: 10714265
    Abstract: A laminated electronic component includes a first capacitor including a first ceramic body, first external electrodes disposed on upper and lower surfaces of the first ceramic body, and second external electrodes disposed apart from the first external electrodes on the upper and lower surfaces of the first ceramic body, and a second capacitor including a second ceramic body, a third external electrode disposed on a lower surface of the second ceramic body, and a fourth external electrode disposed apart from the third external electrode on the lower surface of the second ceramic body, and disposed on the first capacitor and electrically connected to the first capacitor. A current loop passing through the upper surface of the first ceramic body and the lower surface of the second ceramic body is formed.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: July 14, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Soo Hwan Son, Seung Hyun Ra, Kyoung Jin Jun, Sang Soo Park, Young Key Kim, Soon Ju Lee
  • Patent number: 10699846
    Abstract: A composite electronic component includes a composite body in which a multilayer ceramic capacitor and a ceramic chip are coupled to each other, the multilayer ceramic capacitor including a body having internal electrodes stacked to face each other and a plurality of dielectric layers interposed therebetween, and first and second external electrodes disposed on both end portions of the body, and the ceramic chip being disposed on a lower portion of the multilayer ceramic capacitor, wherein the ceramic chip has a double-step shape and includes two ceramic chips having different lengths to each other and coupled in a thickness direction of the ceramic chip.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: June 30, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Heon Jeong, Young Ghyu Ahn, Ho Yoon Kim, Man Su Byun, Soo Hwan Son
  • Patent number: 10672558
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of ceramic dielectric layers and each of internal electrode layers are alternately stacked, the plurality of internal electrode layers being alternately exposed to a first edge face and a second edge face of the multilayer structure, wherein: a region in which a set of internal electrode layers exposed to the first edge face of the multilayer structure face with another set of internal electrode layers exposed to the second edge face of the multilayer structure is a capacity region; at least a part of the circumference region around the capacity region has a protective region of which an average grain diameter of a main component ceramic is larger than that of the capacity region and of which a concentration of a donor element in the main component ceramic is larger than that of the capacity region.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: June 2, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Koichiro Morita
  • Patent number: 10672559
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of ceramic dielectric layers and each of a plurality of internal electrode layers are alternately stacked, the plurality of internal electrode layers being alternately exposed to a first edge face and a second edge face of the multilayer structure, wherein 1.5?Db/Da?10.0 is satisfied in a side margin region that covers edge portions to which the plurality of internal electrode layers extend toward two side faces other than the first edge face and the second edge face, when Da is an average grain diameter of a main component ceramic within 20 ?m from an edge of the plurality of internal electrode layers in the side margin region and Db is an average grain diameter of a main component ceramic within 20 ?m from a surface layer of the side margin region.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: June 2, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Yasuyuki Inomata, Yasuhisa Kono, Mina Amano
  • Patent number: 10665392
    Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers, inner electrodes and outer electrodes that are connected to the inner electrodes and disposed on a first end surface and a second end surface of the multilayer body. The outer electrodes each include a resin electrode layer containing a thermosetting resin and a metal component and a plating layer in contact with the resin electrode layer. The metal component of the resin electrode layer contains Ni. The plating layer is a Sn plating layer.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: May 26, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yosuke Terashita
  • Patent number: 10658117
    Abstract: A multilayer ceramic capacitor comprises a body including dielectric layers and internal electrodes; and external electrodes disposed on external surfaces of the body, respectively, wherein each of the external electrodes includes a first electrode layer disposed on the one surface of the body and contacting the internal electrodes; a conductive resin layer disposed on the first electrode layer and including a plurality of metal particles, a conductive connecting part surrounding the plurality of metal particles, a base resin, and an intermetallic compound contacting the first electrode layer and the conductive connecting part; and a second electrode layer disposed on the conductive resin layer and contacting the conductive connecting part.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: May 19, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Min Kim, Bon Seok Koo, Jung Wook Seo, Yoon Hee Lee, Kun Hoi Koo
  • Patent number: 10650971
    Abstract: A capacitor component includes a body including first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween to be exposed to the third and fourth surfaces of the body, respectively; first and second conductive layers covering the third and fourth surfaces and connected to the first and second internal electrodes, respectively; first and second insulating layers covering the first and second conductive layers, respectively; first and second band portions spaced apart from each other on the second surface of the body; first and second external electrodes covering a portion of the first and second band portions and the first insulating layer, respectively; and third and fourth external electrodes covering a portion of the first and second insulating layers and a portion of the first surface of the body, respectively; and a method of manufacturing the same.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Man Jung, Jin Kyung Joo, Ik Hwan Chang, Byeong Chan Kwon, Ji Hyun Park, Do Heung Na, Jae Yeol Choi, Sung Hyun Cho
  • Patent number: 10650970
    Abstract: A multilayer electronic component includes: a capacitor body including a plurality of dielectric layers and a plurality of first and second internal electrodes alternately disposed with respective dielectric layers interposed between each pair of first and second internal electrodes, the capacitor body having third and fourth surfaces opposing each other, an end of each the first and second internal electrodes being exposed through the third and fourth surfaces, respectively; first and second external electrodes disposed on the third and fourth surfaces of the capacitor body, respectively; and first and second connection terminals connected to the first and second external electrodes, respectively, wherein each of the first and second connection terminals includes a vertical portion disposed to face the external electrode, a horizontal portion extended from a lower end of the vertical portion, and a cut portion formed in a portion connecting the vertical portion and the horizontal portion to each other.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Heung Kil Park, Se Hun Park, Gu Won Ji
  • Patent number: 10650966
    Abstract: A multilayer ceramic electronic component such as a multilayer ceramic capacitor capable of maintaining insulation properties even when a current is passed through the capacitor after an occurrence of a short-circuit due to, for example, a high voltage or a high current is provided. A multilayer ceramic electronic component including an element body 4 formed by laminating dielectric layers 10 and internal electrode layers 12 alternately. The internal electrode layers contains copper and/or silver as a main component. The dielectric voidage is lower than the internal electrode voidage.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: May 12, 2020
    Assignee: TDK CORPORATION
    Inventor: Toshihiro Iguchi
  • Patent number: 10636866
    Abstract: Provided is a capacitor that has good bonding between the dielectric layer and the conductive layer, has a characteristic of low ESR, and keeps leak current suppressed. The capacitor contains a dielectric layer and a conductive film and is characterized in that the dielectric layer contains an organic compound and a metal compound and that the conductive film contains a conductive material and an organic compound.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: April 28, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Hiroji Shimizu, Junji Wakita, Seiichiro Murase
  • Patent number: 10636569
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including a dielectric layer, a first internal electrode and a second internal electrode arranged to face each other with the dielectric layer interposed therebetween; and a first external electrode disposed on an exterior surface of the ceramic body and a second external electrode disposed on the exterior surface of the ceramic body, wherein the ceramic body includes an active portion, forming capacity, cover portions disposed on upper and lower portions of the active portion, and margin portions disposed on a side surface of the active portion, and wherein the dielectric layer, the cover portions, and the margin portions of the active portion include magnesium (Mg) having content of more than 0 mole, and less than or equal to 1.0 mole, relative to titanium (Ti) included in the dielectric layer, the cover portions and the margin portions of the active portion.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: April 28, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
  • Patent number: 10622150
    Abstract: An element body of a rectangular parallelepiped shape includes first and second principal surfaces opposing each other in a first direction, a pair of side surfaces opposing each other in a second direction, and a pair of end surfaces opposing each other in a third direction. An external electrode disposed at an end portion of the element body in the third direction. The external electrode includes a first conductive resin layer and a second conductive resin layer. The first conductive resin layer continuously covers one part of the first principal surface, one part of the end surface, and one part of each of the pair of side surfaces. The second conductive resin layer is separated from the first conductive resin layer, and continuously covers one part of the second principal surface, one part of the end surface, and one part of each of the pair of side surfaces.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: April 14, 2020
    Assignee: TDK CORPORATION
    Inventors: Shinya Onodera, Takehisa Tamura, Atsushi Takeda, Ken Morita
  • Patent number: 10622151
    Abstract: In an exemplary embodiment, a multilayer ceramic capacitor has, at two opposing respective end parts of a capacitor body 11 of roughly rectangular solid shape, external electrodes 12 that each have a conductive resin layer F3 inside. Each of the external electrodes 12 continuously has an end face part 12a corresponding to one face, and a wraparound part 12b corresponding to four faces surrounding the one face, of the capacitor body 11. Also, the end face part 12a of each of the external electrodes 12 has a bulging part 12a1 on the outer face of the end face part 12a. An electronic component using the multilayer ceramic capacitor can maximally prevent the Manhattan phenomenon that may otherwise occur when the electronic component is mounted on a circuit board, even though its external electrodes have the conductive resin layer inside.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: April 14, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Satoshi Kobayashi, Takahisa Fukuda, Tomoaki Nakamura, Mikio Tahara
  • Patent number: 10614959
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including a dielectric layer, a first internal electrode and a second internal electrode arranged to face each other with the dielectric layer interposed therebetween; and a first external electrode disposed on an exterior surface of the ceramic body and a second external electrode disposed on the exterior surface of the ceramic body, wherein the ceramic body includes an active portion, forming capacity, cover portions disposed on upper and lower portions of the active portion, and margin portions disposed on a side surface of the active portion, and wherein the dielectric layer, the cover portions, and the margin portions of the active portion include magnesium (Mg) having content of more than 0 mole, and less than or equal to 1.0 mole, relative to titanium (Ti) included in the dielectric layer, the cover portions and the margin portions of the active portion.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: April 7, 2020
    Assignee: Samsung Electro-Mechanics Co., LTD.
    Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
  • Patent number: 10600575
    Abstract: A multilayer ceramic capacitor includes a laminated body and first and second external electrodes respectively on both end surfaces of the laminated body. When regions where first internal electrodes or second internal electrodes are not present are regarded as side margin portions in a cross section of the laminated body as viewed from the laminating direction, the side margin portions include multiple side margin layers, and the content of Si in the side margin layer closest to the internal electrode is lower than that in the side margin layer other than the side margin layer closest to the internal electrode.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: March 24, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Hideaki Tanaka, Daiki Fukunaga, Koji Moriyama
  • Patent number: 10600570
    Abstract: An element body of a rectangular parallelepiped shape includes a first principal surface arranged to constitute a mounting surface, a second principal surface opposing the first principal surface in a first direction, a pair of side surfaces opposing each other in a second direction, and a pair of end surfaces opposing each other in a third direction. An external electrode is disposed at an end portion of the element body in the third direction. The external electrode includes a conductive resin layer. The external electrode includes a plating layer including a first portion covering the first principal surface and a pair of second portions covering the pair of side surfaces. A thickness of the first portion is smaller than each thickness of the pair of second portions.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: March 24, 2020
    Assignee: TDK CORPORATION
    Inventors: Shinya Onodera, Takehisa Tamura, Atsushi Takeda, Ken Morita
  • Patent number: 10593863
    Abstract: A piezoelectric ceramic sputtering target containing a perovskite type oxide represented by chemical formula (I) of ABO3 as a main component, wherein the component A of the chemical formula (I) contains at least K (potassium) and/or Na (sodium), the component B of the chemical formula (I) contains at least one selected from the group consisting of Nb (niobium), Ta (tantalum) and Zr (zirconium) with Nb (niobium) as a necessity, the piezoelectric ceramic sputtering target is composed of a plurality of crystal grains and grain boundaries existing among the crystal grains, and in the grain boundary, the molar ratio of at least one of Nb (niobium), Ta (tantalum), and Zr (zirconium) in the B components is higher than the molar ratio in the interior of the crystal grains by 30% or more.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: March 17, 2020
    Assignee: TDK CORPORATION
    Inventors: Tomohisa Azuma, Masaru Nanao, Tatsuji Sano, Masahito Furukawa, Kenta Ishii
  • Patent number: 10580578
    Abstract: A multilayer ceramic electronic component includes a ceramic body including dielectric layers and first and second internal electrodes alternately stacked with each of the dielectric layers interposed therebetween. First and second external electrodes are disposed on outer surfaces of the ceramic body, connected to the first and second internal electrodes respectively, and disposed to cover at least five of eight corners of the ceramic body. The first and second external electrodes include, respectively, first and second base electrode layers at least partially in contact with the outer surfaces of the ceramic body and first and second plating layers disposed to cover the first and second base electrode layers, respectively. The first and second plating or base electrode layers have one or more to three or less holes positioned adjacent to one or more to three or less of the eight corners of the ceramic body.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hye Young Choi, Jong Ho Lee, Eui Hyun Jo, Jang Yeol Lee, Jin Woo Lee, Hyun Hee Gu
  • Patent number: 10573461
    Abstract: An element body of a rectangular parallelepiped shape includes a first principal surface arranged to constitute a mounting surface, a second principal surface opposing the first principal surface in a first direction, a pair of side surfaces opposing each other in a second direction, and a pair of end surfaces opposing each other in a third direction. An external electrode is disposed at an end portion of the element body in the third direction. The external electrode includes a conductive resin layer. The conductive resin layer covers a region near the first principal surface of the end surface. A height of the conductive resin layer in the first direction is larger at an end portion in the second direction than at a center in the second direction, when viewed from the third direction.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: February 25, 2020
    Assignee: TDK CORPORATION
    Inventors: Shinya Onodera, Takehisa Tamura, Atsushi Takeda, Ken Morita
  • Patent number: 10553362
    Abstract: A multilayer ceramic electronic component includes a ceramic body including dielectric layers and first and second internal electrodes, first and second external electrodes disposed on first and second external surfaces of the ceramic body, and an interposer including an insulating body and first and second terminal electrodes. (B1+B2)/2 is greater than or equal to 10 micrometers (?m) and less than C/2, and C is greater than (B1+B2) and less than or equal to 80 ?m, in which B1 is a thickness of an upper portion, of each of the first and second terminal electrodes, disposed above the insulating body, B2 is a thickness of a lower portion, of each of the first and second terminal electrodes, disposed below the insulating body, and C is a thickness of the interposer.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Chul Sim, Ho Yoon Kim, Woo Chul Shin, Sang Soo Park
  • Patent number: 10546694
    Abstract: A multilayer capacitor includes an element, a first external electrode, a second external electrode, and a plurality of internal electrodes. The plurality of internal electrodes include first internal electrodes, second internal electrodes, and a plurality of third internal electrodes. The plurality of third internal electrodes are electrically connected by a connection conductor. First capacity parts are constituted of the first internal electrodes and the third internal electrodes, and second capacity parts are constituted of the second internal electrodes and the third internal electrodes. The first capacity part and the second capacity part are electrically connected in series, and the connection conductor is disposed on at least one of the three lateral surfaces other than the lateral surface that is a mounting surface, among the four lateral surfaces.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: January 28, 2020
    Assignee: TDK CORPORATION
    Inventors: Takeru Yoshida, Hideki Kamo, Naoto Imaizumi, Keiichi Takizawa, Takuya Imaeda, Shogo Murosawa
  • Patent number: 10541085
    Abstract: In a multilayer ceramic electronic component, a first organic layer covers from a first base electrode layer to at least a portion of the surface of a laminated body, and a second organic layer covers from a second base electrode layer to at least a portion of the surface of the laminated body, and a first plating layer includes a leading end in contact with the first organic layer, with the first organic layer of about 5 nm or more and about 500 nm or less in thickness at an end of the first base electrode layer, and a second plating layer has a leading end in contact with the second organic layer, with the second organic layer of about 5 nm or more and about 500 nm or less in thickness at an end of the second base electrode layer.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: January 21, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Hiroshi Asano, Nobuyasu Hamamori
  • Patent number: 10535464
    Abstract: A film capacitor includes a main body portion including a dielectric film, and a first metal film and a second metal film on the dielectric film; and a first external electrode and a second external electrode which are respectively disposed at opposing ends of the main body portion. The first metal film and the second metal film each include a first portion, a second portion and a third portion. The third portion is located between the first portion and the second portion. The third portion of the first metal film is divided by a first groove extending in a first direction, and the third portion of the second metal film is divided by a second groove extending in a second direction. The first direction and the second direction intersect each other in a plan view of the film capacitor.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: January 14, 2020
    Assignee: Kyocera Corporation
    Inventor: Naoki Kikuchi
  • Patent number: 10529490
    Abstract: A capacitor component in which in a cross section (a L-T cross section) of a body in length and thickness directions, a distance between internal electrodes in a central portion of the body is closer than a distance between the internal electrodes in ends of the internal electrodes, and in a cross section (a W-T cross section) of the body in width and thickness directions, a distance between the internal electrodes in a central portion of the body is farther than a distance between the internal electrodes in ends of the internal electrodes may be provided.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: January 7, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
  • Patent number: 10529493
    Abstract: A capacitor component in which in a cross section (a L-T cross section) of a body in length and thickness directions, a distance between internal electrodes in a central portion of the body is closer than a distance between the internal electrodes in ends of the internal electrodes, and in a cross section (a W-T cross section) of the body in width and thickness directions, a distance between the internal electrodes in a central portion of the body is farther than a distance between the internal electrodes in ends of the internal electrodes may be provided.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: January 7, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
  • Patent number: 10529488
    Abstract: An electronic component includes a multilayer capacitor and an interposer including a substrate main body with an electric insulation property, the multilayer capacitor being mounted on one main surface side of the substrate main body. The multilayer capacitor includes a multilayer body, a first outer electrode, and a second outer electrode. The multilayer body includes an effective region and a non-effective region surrounding the effective region. A width of the effective region is larger than a width of the substrate main body, when a width of the multilayer body is represented by W11, a thickness of the multilayer body is represented by T11, and a thickness of the substrate main body is represented by T21, a value of W11/(T11+T21) is not less than about 0.90 and not more than about 1.10.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: January 7, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yukihiro Fujita, Takashi Fukuma
  • Patent number: 10522293
    Abstract: A multi-layer ceramic capacitor includes a multi-layer unit, a side margin, and a bonding unit. The multi-layer unit includes ceramic layers laminated in a first direction, and internal electrodes disposed between the ceramic layers and mainly containing nickel. The side margin covers the multi-layer unit from a second direction orthogonal to the first direction. The bonding unit is disposed between the multi-layer unit and the side margin and has a higher concentration of magnesium than the ceramic layers and the side margin.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: December 31, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Daisuke Sakate, Kotaro Mizuno
  • Patent number: 10515764
    Abstract: A multilayer ceramic capacitor includes an element body of roughly rectangular solid shape which is constituted by dielectric layers alternately stacked with internal electrode layers having different polarities and which has a pair of principle faces, a pair of end faces, and a pair of side faces, wherein the multilayer ceramic capacitor is such that: external electrodes are formed on the pair of end faces and one principle face of the element body; and on a cross section taken in parallel with one end face of the multilayer ceramic capacitor near the end face, the ratio of area A constituted by the internal electrode layers connected to the external electrode on this end face side and the dielectric layers present between the internal electrode layers, and area B covering the part of the section excluding the external electrodes, A/B, is 0.92 or more.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: December 24, 2019
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Kotaro Mizuno, Yukihiro Konishi, Shohei Kitamura, Yoichi Kato, Yusuke Kowase, Toru Makino, Yoshinori Tanaka
  • Patent number: 10490355
    Abstract: A thin film capacitor includes a body including a lower electrode formed on a substrate, a plurality of first electrode layers, and a plurality of second electrode layers stacked alternately with the plurality of first electrode layers, with one of the dielectric layers interposed therebetween. The lower electrode and the first electrode layer have the same polarity as each other, and surface roughness of the first and second electrode layers is less than that of the dielectric layers, thereby securing capacitance and characteristics of the dielectric layers.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: November 26, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Mo Lim, Hai Joon Lee, Ho Phil Jung, Jong Beom Kim, Kyo Yeol Lee, Dong Joon Oh
  • Patent number: 10483040
    Abstract: An electronic component includes: a multilayer ceramic capacitor including a capacitor body and a pair of external electrodes, and an interposer including an interposer body having grooves and a pair of external terminals. Each of the external terminals includes a bonding portion, a mounting portion and a connection portion; and ?L=|A?A?|/2 in which A is a distance from one end portion of the interposer in a length direction to one end portion of the multilayer ceramic capacitor in the length direction, A? is a distance from the other end portion of the interposer in the length direction to the other end portion of the multilayer ceramic capacitor in the length direction, and ?L is an offset between the multilayer ceramic capacitor and the interposer in the length direction, and ?L/L?0.100 in which L is a length of the multilayer ceramic capacitor.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: November 19, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ho Yoon Kim, Sang Soo Park, Woo Chul Shin
  • Patent number: 10475587
    Abstract: A first external electrode is disposed on an end surface. A second external electrode is disposed on a side surface. The first external electrode includes a first sintered electrode layer, a second sintered electrode layer disposed on the first sintered electrode layer, and a plated layer disposed on the second sintered electrode layer. The second external electrode includes a third sintered electrode layer and a plated layer disposed on the third sintered electrode layer. The first, second, and third sintered electrode layers include a void. A void fraction of each of the first and third sintered electrode layers is larger than a void fraction of the second sintered electrode layer.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: November 12, 2019
    Assignee: TDK CORPORATION
    Inventors: Toru Onoue, Daisuke Himeta, Hikaru Hirabayashi, Fumiaki Satoh, Yuma Hattori, Takuto Okamoto