Patents Examined by Michael P McFadden
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Patent number: 11923143Abstract: A capacitive cable comprised six long, thin and narrow electrode plates or strips (101, 102, 103, 104, 105, 106). Typically, they are 5 km long, 10 cm wide and 0.5 mm thick of aluminum or copper foil. Individual ones of them are separated by 0.25 mm thick polypropylene ribbons (107) insulating the individual strips from each other in an insulating manner. The assembly of strips and ribbons is contained within an insulating sheath 108. At opposite ends (111,112), the alternate strips are cut off short and the remaining fingers (114,115) are joined together and to connection wires (116,117), typically by riveting (118). The wires are insulated and the insulating sheath extends onto the insulation of the wires, whereby the entire cable is insulated for safe contact with foreign objects between the ends.Type: GrantFiled: November 29, 2019Date of Patent: March 5, 2024Assignee: Enertechnos LimitedInventor: Gareth O'Brien
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Patent number: 11923146Abstract: A multilayer ceramic capacitor includes a ceramic body having a dielectric layer, a plurality of internal electrodes disposed in the ceramic body, and a first side margin portion and a second side margin portion arranged on end portions of the internal electrodes exposed through respective opposing surfaces of the ceramic body. The ceramic body includes an active portion having the plurality of internal electrodes arranged to overlap each other with the dielectric layer interposed therebetween to form capacitance, and cover portions disposed above an uppermost and below a lowermost internal electrode of the active portion. The first and second side margin portions include tin (Sn), and a content of Sn included in the first and second side margin portions is greater than a content of Sn included in the dielectric layer of the active portion.Type: GrantFiled: April 25, 2023Date of Patent: March 5, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Eun Jung Lee, Jong Ho Lee, Sim Chung Kang, Ki Pyo Hong
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Patent number: 11923144Abstract: A multilayer ceramic electronic component includes: a body including dielectric layers as well as a plurality of internal electrodes stacked with respective dielectric layers interposed therebetween and including a first metal; and external electrodes disposed on external surfaces of the body including a second metal, wherein at least some of the plurality of internal electrodes include a core-shell region including the first and second metals, and average contents of the second metal in a core portion and a shell portion of the core-shell region are different from each other.Type: GrantFiled: April 6, 2022Date of Patent: March 5, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyun Kim, Dong Jun Jung, Dae Hee Lee, Soo Jeong Jo
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Patent number: 11915874Abstract: A multilayer capacitor includes a body including a dielectric layer and a plurality of internal electrodes stacked on each other with the dielectric layer interposed therebetween; and external electrodes disposed externally on the body, and respectively including a first layer connected to the internal electrode and a second layer covering the first layer, wherein the first layer includes a metal particle including an element A, an oxide of an element Z, formed on the metal particle, and an A-Z intermetallic compound phase, and here, the element Z has a higher ionization tendency than the element A.Type: GrantFiled: April 19, 2022Date of Patent: February 27, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Moon Lee, Taek Jung Lee, Sung Ho Lee, Seol Gyeong Park
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Patent number: 11915878Abstract: A multilayer ceramic capacitor includes a multilayer body, two external electrodes, and two wall portions. The multilayer body includes a multilayer main body including an inner layer portion in which dielectric layers and internal electrode layers are stacked, and two outer layer portions on opposite sides of the inner layer portion in a stacking direction, two side gap portions on opposite sides of the multilayer main body in a width direction, two main surfaces on opposite sides in the stacking direction, two side surfaces on opposite sides in the width direction, and two end surfaces on opposite sides in a length direction. The two external electrodes each are provided at one of the two end surfaces of the multilayer body, and each extend from the one of the two end surfaces to a portion of the main surface. The wall portions cover portions of the external electrodes at the two end surfaces, and each include a protruding portion that protrudes from the main surface.Type: GrantFiled: April 16, 2021Date of Patent: February 27, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Mitsuru Ikeda
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Patent number: 11908624Abstract: Disclosed is a broadband capacitor in which an electrode unit comprises a main electrode and a plurality of side electrodes so as to facilitate changing of capacitance value. The disclosed broadband capacitor is formed by alternately stacking a first electrode set, which comprises a first main electrode and a plurality of side electrodes spaced apart from the first main electrode, and a second electrode set, which comprises a second main electrode and a plurality of side electrodes spaced apart from the second main electrode.Type: GrantFiled: October 16, 2020Date of Patent: February 20, 2024Assignee: AMOTECH CO., LTD.Inventor: Byungguk Lim
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Patent number: 11908626Abstract: A multilayer ceramic electronic component includes a ceramic body including a laminate body including 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 including a dielectric layer, and a first internal electrode and a second internal electrode stacked in the third direction with the dielectric layer interposed therebetween, a first and a second margin portion; a first connection portion and a second connection portion. The first connection portion includes a first lead electrode connected to the first internal electrode, and the second connection portion includes a second lead electrode connected to the second internal electrode.Type: GrantFiled: July 12, 2021Date of Patent: February 20, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jung Eun Noh, Ji Hyuk Lim, Jong Yun Kim, Eun Jung Lee
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Patent number: 11901128Abstract: A capacitor component includes a body including a dielectric layer and first and second internal electrode layers, and external electrodes disposed on the body and connected to the first and second internal electrode layers, respectively. The body includes an active portion in which the first and second internal electrode layers are alternately disposed with the dielectric layer interposed therebetween, a cover portion disposed on an upper portion and a lower portion of the active portion, and a side margin portion disposed on both sides of the active portion opposing each other. When a content of magnesium (Mg) included in the active portion is A1, a content of magnesium (Mg) included in the cover portion is C1, and a content of magnesium (Mg) included in the margin portion is M1, 0<A1<M1?C1 and A1/C1?0.60 are satisfied.Type: GrantFiled: March 25, 2022Date of Patent: February 13, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Uk Cha, Chang Min Lee, Hye Sung Yoon, Seon A Jang, Ji Hyuk Lim, Ki Yong Lee
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Patent number: 11894191Abstract: A multilayer electronic component may include a first internal electrode layer including a first dielectric layer and first to fourth internal electrodes disposed to be spaced apart from each other on the first dielectric layer, a second internal electrode layer including a second dielectric layer and a fifth internal electrode disposed on the second dielectric layer, a body including a capacitance forming portion in which the first internal electrode layer and the second internal electrode layer are alternately disposed, a connection electrode penetrating through the first and second internal electrode layers, spaced apart from the first to fourth internal electrodes, and connected to the fifth internal electrode, first to fourth external electrodes disposed to be connected to the first to fourth internal electrodes, respectively, on the body, and a fifth external electrode disposed to be connected to the connection electrode on the body.Type: GrantFiled: April 15, 2022Date of Patent: February 6, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Hoon Kim, Ji Hoon Kim, Gyoung Heon Ko, Yong Hoon Kim
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Patent number: 11894188Abstract: An element body of a multilayer capacitor has a plurality of first electrodes and a plurality of second electrodes. At least one of the first electrodes is curved such that a first main body portion is located on an outer side of a first extending portion in a first direction, and at least one of the second electrodes is curved such that a second main body portion is located on an outer side of a second extending portion in the first direction. The following expressions (1) to (6) are satisfied for lengths L0 to L4 in a second direction and distances TL1 to TL3 between main surfaces. 0.03?L1/L0?0.1??(1) 0.1?L2/L0?0.25??(2) 0.75?L3/L0?0.9??(3) 0.9?L4/L0?0.97??(4) 0?(TL1?TL2)/TL1?0.02??(5) 0?(TL1?TL3)/TL1?0.Type: GrantFiled: May 9, 2022Date of Patent: February 6, 2024Assignee: TDK CORPORATIONInventors: Takuya Imaeda, Takashi Morita, Masashi Hatanaka, Toshihiko Kaneko
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Patent number: 11887790Abstract: A multilayer capacitor includes: a capacitor body including dielectric layers and first and second internal electrodes, and having first to six surfaces; first and second side portions disposed on the fifth and sixth surfaces of the capacitor body, respectively, and having roughnesses on surfaces thereof; a first external electrode disposed on the third surface of the capacitor body and parts of the first and second side portions and connected to the first internal electrodes; and a second external electrode disposed on the fourth surface of the capacitor body and parts of the first and second side portions and connected to the second internal electrodes.Type: GrantFiled: October 7, 2021Date of Patent: January 30, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Su Hyoung Lee, Seung Jun Lee
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Patent number: 11887788Abstract: An electronic component that includes: a ceramic body; and an external electrode on a surface of the ceramic body, wherein the external electrode includes: a base layer in contact with the surface of the ceramic body, the base layer including a granulate of a metal material and a continuous phase of a titanium-containing oxide present around the granulate of the metal material; and a plating layer on the base layer.Type: GrantFiled: February 15, 2022Date of Patent: January 30, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Yuuta Hoshino
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Patent number: 11887789Abstract: A multilayer electronic component includes: a body including a dielectric layer, first and second internal electrodes, alternately disposed with the dielectric layer interposed therebetween, first and second surfaces opposing each other in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction; and an external electrode disposed on the third or fourth surface of the body. The external electrode includes first electrode layers connected to the internal electrodes and containing copper (Cu), second electrode layers, disposed on the first electrode layers, contain copper (Cu) and silver (Ag), and further contain at least one of palladium (Pd), platinum (Pt), and gold (Au), and third electrode layers that are disposed on the second electrode layers and contain silver (Ag), and an average thickness of the third electrode layers may be 3 ?m or more and 15 ?m or less.Type: GrantFiled: April 20, 2022Date of Patent: January 30, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Won Kuen Oh, Gyu Ho Yeon, Seo Won Jung
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Patent number: 11887786Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of grains and grain boundaries disposed between adjacent grains. The grain boundary includes a secondary phase including Sn, a rare-earth element, and a first subcomponent. The rare-earth element includes at least one of Y, Dy, Ho, Er, Gd, Ce, Nd, Sm, Tb, Tm, La, Gd and Yb. The first subcomponent includes at least one of Si, Mg, and Al.Type: GrantFiled: May 10, 2022Date of Patent: January 30, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Woo Kim, Chang Hak Choi, Seok Hyun Yoon, Ki Yong Lee, Jong Myeong Jeon
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Patent number: 11881357Abstract: A multilayer capacitor includes: a body including a stack structure in which a first internal electrode and a second internal electrode are stacked on each other interposing a dielectric layer therebetween; and first and second external electrodes disposed on the body to be respectively connected to the first internal electrode and the second internal electrode. One of the first internal electrode and the second internal electrode includes a recess portion disposed in one surface thereof, and providing a deviation in a distance between the first and second internal electrodes, TD indicates a thickness of a portion of the dielectric layer, based on a portion positioned on the one surface and not in the recess portion, TR indicates a recession depth of a portion positioned on the one surface and recessed by the recess portion, and (TR/TD) is greater than zero and less than (½).Type: GrantFiled: March 23, 2022Date of Patent: January 23, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Ho Yun, Su Bong Jang, Sang Jong Lee
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Patent number: 11869723Abstract: A multilayer capacitor includes: a capacitor body including first and second internal electrodes alternately stacked with a dielectric layer interposed therebetween, and having first to six surfaces, the first internal electrode being exposed through the third, fifth, and sixth surfaces, the second internal electrode being exposed through the fourth, fifth, and sixth surfaces; first and second side portions disposed on the fifth and sixth surfaces of the capacitor body; and first and second external electrodes. The capacitor body includes upper and lower cover portions disposed on an upper surface of an uppermost internal electrode and a lower surfaces of a lowermost internal electrode, respectively, in a stacking direction of the first and second internal electrodes. The first and second side portions and the upper and lower cover portions include zirconium (Zr).Type: GrantFiled: July 19, 2022Date of Patent: January 9, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yong Park, Sim Chung Kang, Jong Ho Lee, Hyung Soon Kwon, Woo Chul Shin
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Patent number: 11862397Abstract: A ceramic electronic device includes a multilayer structure in which each of a plurality of dielectric layers including Ba and Ti and each of a plurality of internal electrode layers including Ni and Sn are alternately stacked. A discontinuity is formed in at least one of the plurality of internal electrode layers, the discontinuity being a break in a cross section including a stacking direction of the multilayer structure. An Sn high concentration portion, of which an Sn concentration is higher than an average Sn concentration of the one of the internal electrode layers, is formed on a part of a surface of the at least one of the internal electrode layers, the part of the surface being exposed to the discontinuity.Type: GrantFiled: March 4, 2022Date of Patent: January 2, 2024Assignee: TAIYO YUDEN CO., LTD.Inventor: Riki Suemasa
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Patent number: 11862401Abstract: A multilayer capacitor and a board having the same mounted thereon are provided. The multilayer capacitor includes a capacitor body including dielectric layers and first and second internal electrodes, and first to sixth surfaces, the first internal electrode being exposed through the third surface and the fifth surface and the second internal electrode being exposed through the fourth surface and the sixth surface; first and second side portions disposed on the fifth and sixth surfaces, respectively, of the capacitor body; first and second external electrodes; a first step-compensating portion disposed on a margin portion in a width direction on the second dielectric layer on which the second internal electrode is formed on the first internal electrode; and a second step-compensating portion disposed on another margin portion in the width direction on the first dielectric layer on which the first internal electrode is disposed on the second internal electrode.Type: GrantFiled: April 11, 2023Date of Patent: January 2, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Hoon Kim, Beom Seock Oh, Kyoung Ok Kim, Kwang Sic Kim
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Patent number: 11854747Abstract: A stacked capacitor includes a body having opposing faces, first side faces in a first direction, and second side faces in a second direction. The body includes a first insulation margin without a first metal film and a second insulation margin without a second metal film. The first metal film includes a metal film edge overlapping the second insulation margin. The second metal film includes a metal film edge overlapping the first insulation margin. The first and second metal films each include multiple sub-films separated by multiple first slits. A first slit includes a first portion extending from the first or second insulation margin along the first side faces and a second portion located in the metal film edge and extending at an angle with the first side faces. The second portion has a length in the first direction greater than or equal to an interval between adjacent first slits.Type: GrantFiled: March 5, 2020Date of Patent: December 26, 2023Assignee: Kyocera CorporationInventor: Yoshihiro Nakao
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Patent number: 11854744Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes having the dielectric layer interposed therebetween in a first direction and external electrodes disposed on the body and connected to the internal electrodes, wherein the internal electrodes include nickel (Ni) and dysprosium (Dy) and 0.02 at %?C0?5 at % in which C0 is an atomic percentage (at %) calculated by dividing a number of atoms of Dy by a sum of a number of atoms of Ni and Dy included in the internal electrode.Type: GrantFiled: August 10, 2021Date of Patent: December 26, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jinkyung Park, Dongjin Kim, Sunil Jeong, Suji Kang, Mun Seong Jeong