With Multilayer Ceramic Capacitor Patents (Class 361/321.2)
  • Patent number: 11955288
    Abstract: A multilayer electronic component includes a body including a dielectric layer and first and second internal electrodes disposed to oppose each other with the dielectric layer interposed therebetween and including a capacitance forming portion, by which capacitance of the multilayer electronic component is defined, having the first and second internal electrodes disposed to oppose each other with the dielectric layer interposed therebetween, cover portions disposed on two opposing surfaces of the capacitance forming portion in a first direction, and margin portions disposed on two opposing surfaces of the capacitance forming portion in a second or third direction, in which ?3.0<{1?(Hc/H1)}×100?0.4, where an average hardness of the cover portions is Hc and an average hardness of the first margin portions is H1.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Je Jung Kim, Do Yeon Kim, Jae Joon Lee, Seung Ryeol Lee
  • Patent number: 11948744
    Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes disposed alternately with the dielectric layer therebetween and including first and second surfaces opposing each other in a first direction, third and fourth surfaces opposing each other in a second direction, and external electrodes disposed on the body. One end of each internal electrode is connected to the third or fourth surface. The external electrodes include a first electrode layer disposed on the third and fourth surfaces and including a conductive metal and a second electrode layer disposed on the first electrode layer, including silver (Ag) and glass, and further including one or more of palladium (Pd), platinum (Pt), and gold (Au), and the first electrode layer is disposed to cover all of one end of each internal electrode connected to the third and fourth surfaces and does not extend to the other surfaces.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seo Won Jung, Won Kuen Oh, Gyu Ho Yeon, Seo Ho Lee
  • Patent number: 11908623
    Abstract: A multilayer capacitor includes a body including dielectric layers and internal electrodes and external electrodes disposed on an external surface of the body and connected to the internal electrodes. The body includes a first surface and a second surface to which the internal electrodes are exposed, the first surface and the second surface opposing each other in a first direction, a third surface and a fourth surface opposing each other in a second direction which is a direction in which the dielectric layers are stacked, and a fifth surface and a sixth surface opposing each other in a third direction. At least one of the internal electrodes include a first bottleneck structure having a first directional length of a third-directional outer region smaller than an inner region thereof and a second bottleneck structure having a third directional length of a first directional outer region smaller than an inner region thereof.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Myung Chan Son, Sim Chung Kang, Eun Jin Shim, Sun Hwa Kim, Byung Soo Kim
  • Patent number: 11908627
    Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode, an external electrode disposed outside the body, and an insulating layer disposed on the external electrode. The external electrode is disposed to cover an exposed surface of an outermost surface of the electrode layer, and is formed to have a thickness, equal to or less than a thickness of the body, and the insulating layer is disposed to cover an end of the external electrode, to improve moisture resistance reliability.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Ghyu Ahn, Soo Hwan Son, Young Key Kim
  • Patent number: 11900192
    Abstract: There is provided a card or token for use in financial transactions. The financial transaction token or card has an onboard energy storage device that enables onboard electronics to operate when the card is not in the proximity of a merchant Point-Of-Service (POS) terminal. In one implementation, the onboard energy storage device includes a capacitor such as a thin-film capacitor that stores sufficient energy to power onboard electronics without the need for an onboard battery. The card may be incorporated within various conventional apparatus such as a see-through and/or protective substrate, an item of clothing, an item of jewelry, a cell phone, a Personal Digital Assistant (PDA), a credit card, an identification card, a money holder, a wallet, a personal organizer, a keychain payment tag, and like personality.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: February 13, 2024
    Assignee: Visa U.S.A. Inc.
    Inventors: Patrick L. Faith, Ayman A. Hammad
  • Patent number: 11894196
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes stacked in a first direction and having first and second surfaces opposing each other in the first direction, third and fourth surfaces opposing each other in a second direction, and fifth and sixth surfaces opposing each other in a third direction, and first and second external electrodes disposed on the third and fourth surfaces of the body, respectively, and connected to the first and second internal electrodes, respectively. The first and second external electrodes each include a central portion disposed in a center of each of the third and fourth surfaces and an outer portion disposed outside the central portion. T1>T2>T3, in which T1 and T3 are maximum value and minimum value of a thickness of the central portion, respectively, and T2 is a maximum value of a thickness of the outer portion.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: San Kyeong, Young Soo Yi, Kun Ho Koo, Soung Jin Kim, Ho Yeol Lee, Kyung Ryul Lee, Chang Hak Choi
  • Patent number: 11894193
    Abstract: A multilayer electronic component includes a body including a plurality of first dielectric layers, an active portion in which internal electrodes are alternately disposed, and a cover portion disposed the active portion in a first direction of the body, a direction in which the plurality of first dielectric layers are laminated, and including a second dielectric layer; and an external electrode disposed externally on the body and connected to one of the internal electrodes. The body includes a margin portion covering a side surface of the one of the internal electrodes other than a side surface connected to the external electrode and including a dielectric pattern having a porosity higher than that of one of the plurality of first dielectric layers.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Hyeong Kim, Moon Soo Park, Ji Hyun Yu, Jin Woo Jang
  • Patent number: 11894195
    Abstract: An electronic component includes an element body, an external electrode, and a resin film having electrical insulation properties. The element body includes a principal surface and a side surface adjacent to the principal surface. The external electrode includes a first electrode portion disposed on the principal surface and a second electrode portion disposed on the side surface. The resin film is disposed on the principal surface and is in contact with the principal surface. Each of the first electrode portion and the second electrode portion includes a conductive resin layer disposed on the element body. A conductive resin layer included in the first electrode portion is disposed on the resin film and is in contact with the resin film.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: February 6, 2024
    Assignee: TDK CORPORATION
    Inventors: Yoji Tozawa, Masashi Shimoyasu, Makoto Yoshino, Takuo Abe, Akihiko Oide, Tsutomu Ono, Shinichi Sato, Makoto Morita, Shinichi Sato, Hidekazu Sato
  • Patent number: 11881356
    Abstract: A multilayer ceramic electronic component includes a multilayer body including layered ceramic layers and layered inner electrode layers and having a rectangular parallelepiped shape, and outer electrodes covering both end surfaces of the multilayer body and extending from both end surfaces to cover at least a portion of a first main surface of the multilayer body. The multilayer ceramic capacitor includes an insulating layer continuously extending from a ceramic layer at the first main surface of the multilayer body so as to cover end edge portions of both the outer electrodes located on the first main surface of the multilayer body, and t2>t1 is satisfied.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: January 23, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Shinobu Chikuma, Nobuyuki Koizumi, Akio Masunari, Yukie Watanabe
  • Patent number: 11862403
    Abstract: A method of manufacturing a multilayer ceramic capacitor includes preparing a ceramic green sheet in which a plurality of internal electrode patterns are formed with a predetermined distance therebetween, forming a ceramic laminate by laminating a plurality of the ceramic green sheets in a first direction, cutting the ceramic laminate to have a side surface from which an end of the internal electrode pattern is exposed in a second direction perpendicular to the first direction, forming a margin portion on the side surface from which the end of the internal electrode pattern is exposed, and forming a ceramic body including a dielectric layer and an internal electrode by firing the cut-out ceramic laminate. The forming a margin portion includes flowing a ceramic paste from an upper portion to a lower portion of the cut-out ceramic laminate.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Joon Oh, Seong Han Park, Jeong Ryeol Kim
  • Patent number: 11854959
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC). The IC comprises a first inter-metal dielectric (IMD) structure disposed over a semiconductor substrate. A metal-insulator-metal (MIM) device is disposed over the first IMD structure. The MIM device comprises at least three metal plates that are spaced from one another. The MIM device further comprises a plurality of capacitor insulator structures, where each of the plurality of capacitor insulator structures are disposed between and electrically isolate neighboring metal plates of the at least three metal plates.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Min-Feng Kao, Dun-Nian Yaung, Jen-Cheng Liu, Hsing-Chih Lin, Kuan-Hua Lin
  • Patent number: 11842855
    Abstract: To provide a multilayer electronic component of which a reliability is not compromised and also a crack is suppressed from forming even when the multilayer electronic component is made thinner. A multilayer electronic component including an element body in which at least one dielectric layer and at least one internal electrode layer are stacked in an alternating manner, wherein a thickness variation of the at least one internal electrode layer is larger than a thickness variation of the at least one dielectric layer.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: December 12, 2023
    Assignee: TDK CORPORATION
    Inventors: Toshihiro Iguchi, Masahide Ishizuya, Takeshi Shibahara
  • Patent number: 11842479
    Abstract: A manufacturing method of a laminated sheet having a printed layer includes, given that a table that associates density data of a specific area included in image data with a burnup degree of the printed layer corresponding to the specific area at printing based on the image data is an image-burnup degree conversion table, identifying the image-burnup degree conversion table that satisfies a printing condition for the laminated sheet, acquiring printed image data that is image data for forming the printed layer of the laminated sheet, and calculating the burnup degree of the printed layer based on the image-burnup degree conversion table and the printed image data. Also disclosed is a laminated sheet having a printed layer, a system for manufacturing the laminated sheet, and a program for manufacturing the laminated sheet.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: December 12, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventor: Koji Saito
  • Patent number: 11837405
    Abstract: The present invention is directed to a multilayer ceramic capacitor. The multilayer ceramic capacitor has a first end and a second end that is spaced apart from the first end in a longitudinal direction that is perpendicular to a lateral direction wherein the lateral direction and longitudinal direction are each perpendicular to a Z-direction. The multilayer ceramic capacitor comprises a monolithic body comprising a plurality of dielectric layers and a plurality of electrode layers parallel with the lateral direction.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: December 5, 2023
    Assignee: KYOCERA AVX Components Corporation
    Inventors: Marianne Berolini, Cory Nelson, Seth Fuller, Alma Iris Cordova
  • Patent number: 11837414
    Abstract: A multilayer ceramic capacitor package accommodating multilayer ceramic capacitors includes a carrier tape that is elongated and includes recess pockets at equal or substantially equal intervals in a longitudinal direction, a cover tape that is elongated and attached to the carrier tape to cover an opening of each of the pockets, and the multilayer ceramic capacitors respectively accommodated in the pockets. In the multilayer ceramic capacitor package, in adjacent multilayer ceramic capacitors, a difference in densities of surfaces on an opening side of the pockets is about 0% or more and about 4% or less.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: December 5, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masahiro Wakashima, Yuta Saito, Akito Mori
  • Patent number: 11823843
    Abstract: A multilayer ceramic capacitor includes: a multilayer structure in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked. A ceramic protection section includes a cover layer and a side margin. A main component ceramic of the ceramic protection section is a ceramic material having a perovskite structure expressed as a general formula ABO3. An A site of the perovskite structure includes at least Ba. A B site of the perovskite structure includes at least Ti and Zr. A Zr/Ti ratio which is a molar ratio of Zr and Ti is 0.010 or more and 0.25 or less. An A/B ratio which is a molar ratio of the A site and the B site is 0.990 or less.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: November 21, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Koichiro Morita
  • Patent number: 11810718
    Abstract: A capacitor component includes a body including internal electrode layers and a dielectric layer disposed between the internal electrode layers adjacent to each other and an external electrode disposed on one surface of the body, wherein the internal electrode layer and the dielectric layer separately include molybdenum (Mo), the dielectric layer has a central portion in a thickness direction and an outer portion disposed between the central portion and the internal electrode layer, and the content of molybdenum contained in the central portion of the dielectric layer is less than the content of molybdenum (Mo) contained in the outer portion of the dielectric layer.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Suji Kang
  • Patent number: 11804331
    Abstract: A multilayer electronic component includes: a body including dielectric layers; side margin portions disposed on side surfaces of the body, respectively; and external electrodes disposed on end surfaces of the body, respectively. The body includes a capacitance forming portion including internal electrodes disposed alternately with the dielectric layers and cover portions disposed on upper and lower surfaces of the capacitance forming portion, respectively. Ga2/Ga1 is 0.8 or more and less than 1.0 and Ga2/Gc1 is 0.8 or more and less than 1.0. a1 is a central portion of the capacitance forming portion, a2 is a boundary portion between the capacitance forming portion and the cover portion in the capacitance forming portion, and c1 is a boundary portion between the capacitance forming portion and the cover portion in the cover portion. Ga1, Ga2, and Gc1 are average sizes of dielectric grains at a1, a2, and c1, respectively.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: October 31, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyoung Uk Kim, Seung In Baik, Ji Su Hong, Eun Ha Jang, Jae Sung Park, Chung Eun Lee
  • Patent number: 11784006
    Abstract: A multilayer ceramic capacitor includes a multilayer body and external electrodes. The multilayer body includes an inner layer portion including dielectric layers and internal electrode layers alternately stacked, and first and second outer layer portions on opposite sides of the inner layer portion in a stacking direction, side gap portions on opposite sides in a width direction, main surfaces on opposite sides in the stacking direction, side surfaces on opposite sides in the width direction, and end surfaces on opposite sides in a length direction. Each external electrode is provided at one end surfaces of the multilayer body, and extends from the end surface to a portion of the main surface. A difference in location between ends at the side surface of two adjacent internal electrode layers is about 0.5 ?m or less. The second outer layer portion is thicker than the first outer layer portion.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: October 10, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Mitsuru Ikeda
  • Patent number: 11784002
    Abstract: A ceramic electronic component includes a body including dielectric layers and a plurality of internal electrodes and an external electrode including a connection portion and a band portion. The external electrode includes an electrode layer, a conductive resin layer, a nickel plating layer, and a tin plating layer. When an electrode layer thickness, a conductive resin layer thickness, a nickel plating layer thickness, a tin plating layer thickness of the band portion are defined as t3, t4, and t5, respectively, t5 is greater than or equal to 0.5 micrometer and less than 7 micrometer, and t5/(t3+t4) satisfies 1?t5/(t3+t4)*100<17.5 in the case in which t3+t4 is less than or equal to 100 micrometers and satisfies 0.3?t5/(t3+t4)*100<4.38 in the case in which t3+t4 is more than 100 micrometers.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: October 10, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Hwi Shin, Dong Yeong Kim, Do Yeon Kim, Woo Chul Shin
  • Patent number: 11776744
    Abstract: Provided is a multilayer ceramic capacitor having dielectric layers and internal electrode layers laminated alternately on one another. Each internal electrode layer comprises a common ceramic material containing 3 to 25% by weight of rare earth elements, and through the rare earth elements, high dielectric layers are formed on the interfaces between the dielectric layers and the internal electrode layers.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: October 3, 2023
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Min Kee Kim, In Hee Cho
  • Patent number: 11769634
    Abstract: A multilayer capacitor includes a capacitor body including first to sixth surfaces and including a plurality of dielectric layers and first and second internal electrodes alternately disposed with the dielectric layers interposed therebetween, and first and second external electrodes disposed on the third and fourth surfaces of the capacitor body and connected to the first and second internal electrodes, respectively, wherein the capacitor body includes an active region in which the first and second internal electrodes overlap in a first direction, and at least a portion of a margin portion excluding the active region in the capacitor body has a ratio of Ba to Ti less than 1 (Ba/Ti<1) and has a twin boundary structure.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: September 26, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Hoon Keum, Dong Seuk Kim, Geon Yong Lee, Seong Gu Kang, Young Hoon Song
  • Patent number: 11749533
    Abstract: Disclosed is a method of manufacturing a power semiconductor component arrangement or a power semiconductor component housing. The method involves a sintering process in which the plurality of layer-shaped unsintered ceramic substrates are converted into a sintered ceramic single layer or multilayer substrate or into a sintered ceramic single layer or multilayer interconnect device. Also disclosed is a power semiconductor component arrangement or a power semiconductor component housing that can be manufactured using the above method. Further disclosed are the uses of the power semiconductor component arrangement or the power semiconductor component housing.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: September 5, 2023
    Assignee: Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V.
    Inventors: Steffen Ziesche, Christian Lenz, Uwe Waltrich, Christoph Bayer, Hoang Linh Bach, Andreas Schletz
  • Patent number: 11744018
    Abstract: Provided is a high-density multi-component package comprising a first module interconnect pad and a second module interconnect pad. At least two electronic components are mounted to and between the first module interconnect pad and the second module interconnect pad wherein a first electronic component is vertically oriented relative to the first module interconnect pad. A second electronic component is vertically oriented relative to the second module interconnect pad.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: August 29, 2023
    Assignee: KEMET Electronics Corporation
    Inventors: John Bultitude, Peter Alexandre Blais, James A. Burk, Galen W. Miller, Hunter Hayes, Allen Templeton, Lonnie G. Jones, Mark R. Laps
  • Patent number: 11742144
    Abstract: A multilayer ceramic electronic component includes a ceramic body including a dielectric layer including a grain and first and second internal electrodes stacked in a third direction with the dielectric layer interposed therebetween, and including a first surface and a second surface opposing each other in a third direction, a third surface and a fourth surface opposing each other in a second direction, and a fifth surface and a sixth surface opposing each other in a first direction; and first and second external electrodes disposed on the fifth surface and the sixth surface of the ceramic body, respectively, and a ratio, G/I, of a particle size, G, of a grain of the dielectric layer to a thickness, I, of each of the first and second internal electrodes is 0.3 or more and 0.5 or less.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Je Jung Kim, Su Kyoung Cha, Ji Won Lee, Seung Ryeol Lee
  • Patent number: 11735369
    Abstract: A multilayer ceramic capacitor includes a multilayer body including dielectric layers and internal electrode layers alternately laminated therein, and external electrode layers respectively provided on both end surfaces of the multilayer body in a length direction intersecting a lamination direction, and each connected to the internal electrode layers, the external electrode layers each further including a base electrode layer including a first region, a second region, and a third region divided therein, in order from the multilayer body. The first region includes a metal included in the internal electrode layers in a higher amount than the second region and the third region, the second region includes glass in a higher amount than the first region and the third region, and the third region includes copper in a higher amount than the first region and the second region.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: August 22, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Keita Kitahara, Yuta Saito, Noriyuki Ookawa, Riyousuke Akazawa, Takefumi Takahashi, Masahiro Wakashima, Yuta Kurosu, Akito Mori
  • Patent number: 11735368
    Abstract: In a multilayer ceramic capacitor, a positional deviation in a lamination direction between end portions in a width direction intersecting the lamination direction and a length direction, of two of internal electrode layers adjacent to each other in the lamination direction, is about 5 ?m or less. A connection ratio N1/N0 at the middle portion thereof, and a connection ratio N2/N0 at the end portion thereof are about 90% or more, respectively, and a difference between N1/N0 and N2/N0 is about 10% or less.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: August 22, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Keita Kitahara, Yuta Saito, Noriyuki Ookawa, Riyousuke Akazawa, Takefumi Takahashi, Masahiro Wakashima, Yuta Kurosu, Akito Mori
  • Patent number: 11735374
    Abstract: A multilayer ceramic electronic component includes a ceramic body includes: a ceramic body including a capacitance formation portion including a dielectric layer and first and second internal electrodes disposed to be stacked in a third direction with the dielectric layer interposed therebetween, a margin portion disposed on both surfaces of the capacitance formation portion in a second direction, and a cover portion disposed on both surfaces of the capacitance formation portion in the third direction, and; and an auxiliary electrode spaced apart from the capacitance formation portion, and disposed to be in contact with one of the first and second external electrodes. The auxiliary electrode is spaced apart from first surface and the second surface of the ceramic body in a first direction.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Do Young Jeong, Je Jung Kim
  • Patent number: 11721491
    Abstract: A multilayer electronic component includes: a body including dielectric layers and internal electrodes alternately disposed with the dielectric layers; and external electrodes disposed on the body. One of the internal electrodes includes interfacial portions disposed at interfaces thereof with two of the dielectric layers, between which the one of the internal electrodes is disposed, and a central portion disposed between the interfacial portions, and one of the interfacial portions has a Mn content higher than an average Mn content of the central portion and an average Mn content of one of the dielectric layers which is in contact with the one of the interfacial portions.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: August 8, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Il Song, Sang Won Choi, Seung Heui Lee, Su Min Shin
  • Patent number: 11710763
    Abstract: A metal capacitor provided includes a first metal layer and a second metal layer disposed above a substrate. The first metal layer includes a first electrode sheet and a second electrode sheet, and the second metal layer includes a third electrode sheet and a fourth electrode sheet. The first electrode sheet and the second electrode sheet collectively form a first coplanar capacitor. The third electrode sheet and the fourth electrode sheet collectively form a second coplanar capacitor. At least a portion of the fourth electrode sheet is arranged above the first electrode sheet, and the first electrode sheet and the fourth electrode sheet collectively form a first vertical capacitor. At least a portion of the third electrode sheet is arranged above the second electrode sheet, and the second electrode sheet and the third electrode sheet collectively form a second vertical capacitor.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: July 25, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chung-Kuang Chen, Chia-Ching Li, Chien-Fu Huang, Chia-Ming Hu
  • Patent number: 11688559
    Abstract: A multilayer ceramic capacitor includes: a multilayer chip in which each of dielectric layers and each of internal electrode layers are stacked, the plurality of internal electrode layers being exposed to at least one of a first end face and a second end face of the multilayer structure, the first end face being opposite to the second end face, a first external electrode provided on the first end face; a second external electrode provided on the second end face; and a fluorine compound that is adhered to at least a part of a region including a surface of the multilayer chip where neither the first external electrode nor the second external electrode is formed and surfaces of the first external electrode and the second external electrode, fluorine compound being released at a temperature of 380 degrees C. or more.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: June 27, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Kiyoshiro Yatagawa, Satoshi Kobayashi, Takahisa Fukuda
  • Patent number: 11657971
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes laminated in a first direction, and external electrodes. The body includes an active portion, in which the plurality of internal electrodes are disposed to form capacitance, corresponding to a region between internal electrodes disposed on an outermost side in the first direction, among the plurality of internal electrodes, a cover portion covering the active portion in the first direction, and a side margin portion covering the active portion in a second direction, perpendicular to the first direction, and 1.49<A1/A2<2.50 where A1 is an average grain size of the dielectric layer in a central region of the active portion, and A2 is an average grain size of the dielectric layer in an active-cover boundary portion, adjacent to the cover portion, of the active portion.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hong Gi Nam, Seung In Baik, Ji Su Hong, Eun Ha Jang, Hee Sun Chun, Jae Sung Park
  • Patent number: 11646156
    Abstract: A dielectric ceramic composition comprising a main component comprising an oxide represented by: UaXbYcZd((Ca1-x-ySrxMy)m(Zr1-u-vTiuHfv)O3)1-a-b-c-d wherein the elements defined by U, X, Y, Z and M and subscripts a, b, c, d, x, y, m, u and v are defined.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: May 9, 2023
    Assignee: KEMET Electronics Corporation
    Inventors: Hanzheng Guo, Abhijit Gurav
  • Patent number: 11621126
    Abstract: Provided is an improved multilayered ceramic capacitor and an electronic device comprising the multilayered ceramic capacitor. The multilayer ceramic capacitor comprises first conductive plates electrically connected to first external terminations and second conductive plates electrically connected to second external terminations. The first conductive plates and second conductive plates form a capacitive couple. A ceramic portion is between the first conductive plates and said second conductive plates wherein the ceramic portion comprises paraelectric ceramic dielectric. The multilayer ceramic capacitor has a rated DC voltage and a rated AC VPP wherein the rated AC VPP is higher than the rated DC voltage.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: April 4, 2023
    Assignee: KEMET Electronics Corporation
    Inventors: John Bultitude, Nathan A. Reed, Allen Templeton, James R. Magee, James Davis, Abhijit Gurav, Hunter Hayes, Hanzheng Guo
  • Patent number: 11610737
    Abstract: A multilayer ceramic electronic component includes a multilayer body including layered ceramic layers and layered inner electrode layers and having a rectangular parallelepiped shape, and outer electrodes covering both end surfaces of the multilayer body and extending from both end surfaces to cover at least a portion of a first main surface of the multilayer body. The multilayer ceramic capacitor includes an insulating layer continuously extending from a ceramic layer at the first main surface of the multilayer body so as to cover end edge portions of both the outer electrodes located on the first main surface of the multilayer body, and t2>t1 is satisfied.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: March 21, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Shinobu Chikuma, Nobuyuki Koizumi, Akio Masunari, Yukie Watanabe
  • Patent number: 11605502
    Abstract: A multilayer electronic component includes a body including a dielectric layer and a plurality of internal electrodes laminated with the dielectric layer interposed therebetween; and an external electrode disposed on the body and connected to the plurality of internal electrodes. The plurality of internal electrodes includes two or more internal electrodes having different thicknesses, a most thick internal electrode having a greatest thickness and a least thick internal electrode having a lowest thickness among the plurality of internal electrodes are disposed on first and second outermost sides opposing each other in a lamination direction of the plurality of internal electrodes. Each internal electrode disposed between the most thick internal electrode and the least thick internal electrode has a thickness the same as or greater than a thickness of an adjacent internal electrode, which is adjacent to that internal electrode in the lamination direction toward the second outermost side.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: March 14, 2023
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hye Sung Pyo, Ho In Jun, Ki Hun Jeon, Do Hyun Hong
  • Patent number: 11581148
    Abstract: Disclosed herein a thin film capacitor that includes a lower electrode layer, an upper electrode layer, and a dielectric layer disposed between the lower electrode layer and the upper electrode layer. The lower electrode layer includes a first metal layer positioned on a side facing the dielectric layer and a second metal layer positioned on a side facing away from the dielectric layer. The first metal layer has a first surface positioned on a side facing the second metal layer and a second surface positioned on a side facing the dielectric layer. The first surface has a surface roughness higher than that of the second surface. The second metal layer reflects a surface property of the first surface.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: February 14, 2023
    Assignee: TDK CORPORATION
    Inventors: Masahiro Hiraoka, Mitsuhiro Tomikawa, Hitoshi Saita
  • Patent number: 11581137
    Abstract: A multilayer ceramic capacitor includes a ceramic base body including ceramic layers and internal electrode layers, which are stacked on each other, and a pair of external electrodes provided on the end surfaces of the ceramic base body and electrically connected to the internal electrode layers. Each of the external electrodes includes an underlying electrode layer and a resin external electrode layer stacked on the underlying electrode layer. The resin external electrode layer includes a thermosetting resin, a metal powder, and an alkyl-based silane coupling agent.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: February 14, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Kota Zenzai
  • Patent number: 11569040
    Abstract: A multi-layer ceramic capacitor includes a first region, a second region, a multi-layer unit, and a side margin. In the first region, crystal grains including intragranular pores are dispersed. In the second region, crystal grains including intragranular pores are not dispersed. The multi-layer unit includes ceramic layers that are laminated in a first direction and include the second region, and internal electrodes disposed between the ceramic layers. The side margin covers the multi-layer unit from a second direction orthogonal to the first direction and includes a region, the region being adjacent to the multi-layer unit and including the first region.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: January 31, 2023
    Assignee: Taiyo Yuden Co., Ltd.
    Inventor: Yoichi Kato
  • Patent number: 11557433
    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, with a pair of cover layers formed on it to cover the top and bottom faces in the direction of lamination of the foregoing, and which has a pair of principal faces, a pair of end faces, and a pair of side faces, wherein external electrodes are formed on the pair of end faces and at least one of the pair of principal faces of the element body, and Tt representing the thickness of the external electrode and Tc representing the thickness of the cover layer satisfy the relationship of 1/30?Tt/Tc?4/5, and the thickness of the cover layers, or Tc, is 10 ?m or more but 30 ?m or less.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: January 17, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Shohei Kitamura, Yukihiro Konishi, Kotaro Mizuno, Yoichi Kato, Yusuke Kowase, Toru Makino, Yoshinori Tanaka
  • Patent number: 11557438
    Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are stacked, and further including a plurality of internal electrodes having a dielectric layer interposed therebetween and external electrodes disposed on external surfaces of the body and connected to the internal electrodes. The body further includes an active portion in which the plurality of internal electrodes are located to form capacitance and a side margin portion covering a first surface and a second surface of the active portion opposing each other. An average grain size of a dielectric layer included in the active portion is different from an average grain size of a dielectric layer included in the margin portion. The side margin portion includes an extending portion extending between the external electrodes and the internal electrodes to cover a portion of the internal electrodes.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: January 17, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Chang Ho Seo, Eun Jung Lee, Myung Chan Son, Jung Tae Park, Chang Soo Park, Min Woo Kim
  • Patent number: 11551868
    Abstract: A ceramic electronic device includes: a ceramic main body of a parallelepiped shape having at least two edge faces facing each other, and having an internal electrode layer inside; and external electrodes formed on the two edge faces and having a structure in which a plated layer is formed on a ground layer having a metal, as a main component, and ceramic; the external electrodes have an extension region which extends to at least one of four side faces from the two edge faces, and a part of which corresponds to a corner portion of the ceramic main body and includes a portion with the ground layer and a first portion, without the ground layer, arranged at a position where one of the two end faces and one of the four side faces are connected; and the plated layer covers the ground layer and the first portion.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: January 10, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Hiroaki Uenishi, Takehiko Kamobe, Tomoaki Nakamura
  • Patent number: 11532994
    Abstract: Electrical energy storage device (1), including at least one electrical component (2) and a busbar (5) for electrical power distribution, where the electrical component (2) is arranged on the busbar (5), and at least a first contact side (11) and/or a second contact side (12) of the electrical component (2) is connected to the busbar (5) by a contact element (8), and wherein the contact element (8) is formed at least partially as a mesh (7). The electrical component (2) is preferably a capacitor.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: December 20, 2022
    Assignee: ROGERS BV
    Inventor: Jan Daneels
  • Patent number: 11527363
    Abstract: A multilayer ceramic electronic component includes a ceramic body having first and second surfaces opposing each other in a first direction, third and fourth surfaces opposing each other in a second direction, and fifth and sixth surfaces opposing each other in a third direction; and an external electrode disposed on one of the third and fourth surfaces and extending onto the first and second surfaces of. A relational expression of 0.9?A/BW<1.0 is satisfied, where a shortest distance, in the second direction, from an end portion of the ceramic body which the external electrode is disposed at to an end portion of the external electrode disposed on one of the first and second surfaces, is denoted by “A”, and a longest distance, in the second direction, from the end portion of the ceramic body to the end portion of the external electrode, is denoted by “BW”.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: December 13, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yu Bi Han, Chae Min Park, Woo Chul Shin, Ji Hee Moon, Ji Hea Kim, Ji Hong Jo
  • Patent number: 11515093
    Abstract: A multilayer ceramic capacitor includes a multilayer body including stacked dielectric layers and stacked internal electrode layers, and external electrodes respectively connected to the internal electrode layers. The external electrodes each include a lower plated layer and a Pd-plated layer on the lower plated layer. Recesses are provided on a surface of the Pd-plated layer and include first recesses each having a circle equivalent diameter of an opening of about 0.5 ?m or more and about 4 ?m or less and second recesses each having a circle equivalent diameter of an opening of about 10 ?m or more and about 22 ?m or less. The first recesses are greater in number than the second recesses. The second recesses and the first recesses are in a mixed state.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: November 29, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Takahiro Kojima
  • Patent number: 11495411
    Abstract: A multilayer ceramic capacitor includes a multilayer body and external electrodes. The multilayer body includes an inner layer portion including dielectric layers and internal electrode layers alternately stacked, and first and second outer layer portions on opposite sides of the inner layer portion in a stacking direction, side gap portions on opposite sides in a width direction, main surfaces on opposite sides in the stacking direction, side surfaces on opposite sides in the width direction, and end surfaces on opposite sides in a length direction. Each external electrode is provided at one end surfaces of the multilayer body, and extends from the end surface to a portion of the main surface. A difference in location between ends at the side surface of two adjacent internal electrode layers is about 0.5 ?m or less. The second outer layer portion is thicker than the first outer layer portion.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: November 8, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Mitsuru Ikeda
  • Patent number: 11488777
    Abstract: A multilayer ceramic electronic component includes a ceramic body including a dielectric layer and first and second internal electrodes, a first external electrode connected to the first internal electrode, and a second external electrode connected to the second internal electrode. The ceramic body includes a capacitance formation portion having first and a second surfaces opposing each other in a first direction, third and fourth surfaces opposing each other in a second direction, and fifth and sixth surfaces opposing each other in a third direction, the ceramic body including a first margin portion disposed on the third and fifth surfaces and a second margin portion disposed on the fourth and sixth surfaces.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: November 1, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byeong Chan Kwon, Ji Hun Lee
  • Patent number: 11476048
    Abstract: A dielectric material which satisfies X9M characteristics and ensures operations over an extended period of time at 200° C. is provided.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: October 18, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Toshihiro Doi, Ken Yamaguchi, Kotaro Hata
  • Patent number: 11437195
    Abstract: A multilayer ceramic electronic component includes a ceramic main body including a functional part in which first internal electrodes and second internal electrodes are laminated in a vertical direction, end margin parts provided respectively between a first end surface of the ceramic main body and the second internal electrodes and between a second end surface of the ceramic main body and the first internal electrodes, and side margin parts that respectively cover the functional part from sides. The electronic component further includes external electrodes respectively provided on the first end surface and the second end surface. The end margin parts contain boron (B), and the side margin parts contain silicon (Si) and boron. A concentration of boron in the side margin parts is less than a concentration of boron in the end margin parts.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: September 6, 2022
    Assignee: TAIYO YUDENCO., LTD.
    Inventors: Hideya Teraoka, Atsushi Imai
  • Patent number: RE49747
    Abstract: There are provided a multilayer ceramic electronic component to be embedded in a board and a manufacturing method thereof, and particularly, a multilayer ceramic electronic component to be embedded in a board, in which a thickness of a ceramic body in an entire chip is increased by not allowing for an increase in a thickness of an external electrode while forming a band surface of the external electrode to have a predetermined length or greater for connecting the external electrode to an external wiring through a via hole, such that chip strength may be improved and the occurrence of damage such as breakage, or the like may be prevented, and a manufacturing method thereof, may be provided.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: December 5, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hye Seong Kim, Hee Jung Jung