Patents Examined by Tszfung J Chan
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Patent number: 11398341Abstract: An electronic component comprising a main body part including an insulating layer and a conductor layer laminated alternately. The insulating layer and the conductor layer are partially exposed on a side surface of the main body part in a direction orthogonal to a lamination direction. Also, the side surface of the main body part is provided with a metal film extending in the lamination direction to cover the insulating layer and the conductor layer exposed on the side surface.Type: GrantFiled: October 25, 2018Date of Patent: July 26, 2022Assignee: Murata Manufacturing Co., Ltd.Inventors: Yoshinori Ueda, Koshi Himeda, Hayami Kudo
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Patent number: 11393621Abstract: A winding wire having a stranded wire formed by twisting a plurality of element wires whose a copper wire having a wire diameter of 0.05 to 0.5 mm and an extrusion coating layer coating the plurality of the element wires, wherein at least one of the element wires has a magnetic layer on an outer circumference of the copper wire, and the thickness of the extrusion coating layer is 40 to 400 ?m; as well as a coil and a transformer using the winding wire.Type: GrantFiled: October 19, 2018Date of Patent: July 19, 2022Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.Inventors: Hiroyuki Fukai, Isamu Kobayashi
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Patent number: 11387030Abstract: A fluid-cooled magnetic element. A plurality of coils is arranged in a non-toroidal configuration. Each coil may be a hollow cylinder, formed by winding a rectangular wire into a roll. The coils alternate with planer spacers. The coils may alternate in winding orientation, and the inner end of each coil may be connected, through a connection pin, to the inner end of an adjacent coil. Small gaps are formed between the coils and the spacers, e.g. as a result of each spacer having, on its two faces, a plurality of raised ribs, against which the coils abut. Cooling fluid flows through the gaps to cool the coils.Type: GrantFiled: June 28, 2018Date of Patent: July 12, 2022Assignee: Prippell Technologies, LLCInventors: Eric E. Rippel, Wally E. Rippel
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Patent number: 11367559Abstract: The inventors have newly found that, even when a composition of a first element body portion and a composition of a second element body portion are different from each other, a high bonding strength at an interface between the first element body portion and the second element body portion can be obtained when both the first element body portion and the second element body portion contain Zn2SiO4 as a constituent component. That is, when the first element body portion and the second element body portion contain Zn2SiO4, a bonding strength at the interface is improved compared to a case in which the first element body portion and the second element body portion do not contain Zn2SiO4.Type: GrantFiled: December 20, 2018Date of Patent: June 21, 2022Assignee: TDK CORPORATIONInventors: Takahiro Sato, Hitoshi Kudo, Takashi Suzuki, Kouichi Kakuda, Tatsuro Suzuki, Hiroyuki Tanoue
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Patent number: 11348718Abstract: Described are microelectronic devices including an embedded microelectronic package for use as an integrated voltage regulator with a microelectronic system. The microelectronic package can include a substrate and a magnetic foil. The substrate can define at least one layer having one or more of electrically conductive elements separated by a dielectric material. The magnetic foil can have ferromagnetic alloy ribbons and can be embedded within the substrate adjacent to the one or more of electrically conductive elements. The magnetic foil can be positioned to interface with and be spaced from the one or more of electrically conductive element.Type: GrantFiled: June 29, 2018Date of Patent: May 31, 2022Assignee: Intel CorporationInventors: Srinivas Pietambaram, Kristof Darmawikarta, Gang Duan, Yonggang Li, Sameer Paital
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Patent number: 11342114Abstract: A leakage transformer includes a secondary coil wound around a leg member of a core, and a primary coil wound around the leg member outside of the secondary coil. Between the primary coil and the secondary coil, (i) spacers of non-magnetic members and (ii) bypass cores that are magnetic members to induce therein a portion of magnetic flux generated in the core are arranged. The bypass cores are arranged with gaps therebetween in a direction of the internally induced magnetic flux. A total value of the gaps between the bypass cores is determined in accordance with a target value of leakage inductance. A maximum value of the gaps between the bypass cores is less than or equal to a value obtained by multiplying a minimum value of gaps between the bypass cores and each of the primary coil and the secondary coil by a positive coefficient less than one.Type: GrantFiled: July 13, 2016Date of Patent: May 24, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yoshinobu Koji, Wataru Okuda
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Patent number: 11322297Abstract: An electric current transformer including a first coil and a second coil, which are produced with a first printed circuit including a first positioning device, and a second positioning device; and a first magnetic part including a first holding device and a second magnetic part including a second holding device, the positioning device being arranged to join together with the holding device so as to hold reference faces of the magnetic parts a predetermined distance away from the turns of the first and second coils. A current measurement unit includes such a current transformer.Type: GrantFiled: July 23, 2019Date of Patent: May 3, 2022Assignee: Schneider Electric Industries SASInventors: Lionel Urankar, Jean-Yves Amblard, Bertrand Du Peloux De Saint Romain
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Patent number: 11315717Abstract: An inductive component has at least one conductor loop arranged on a printed circuit board and at least one core made of inductive material that cooperates inductively with the conductor loop. The printed circuit board comprises an upper face, a lower face and narrow faces, and moreover at least two printed circuit board parts. Each printed circuit board part has a part of the at least one conductor loop. At least one of the printed circuit board parts comprises a first and a second contact portion. The first contact portion is connected to a first face, in particular the upper face, of the second printed circuit board part and the second contact portion is connected to a second face, in particular the lower face, of the second printed circuit board part, which second face is different from the first face.Type: GrantFiled: January 4, 2018Date of Patent: April 26, 2022Assignee: Kaschke Components GmbHInventor: Carsten Schwetje
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Patent number: 11315718Abstract: A coil component includes a body including a plurality of pattern layers and a via electrode layer connecting the respective conductive pattern layers to each other, and external electrodes disposed on an external surface of the body. A cross-sectional shape of the via electrode layer is divided into an upper region and a lower region, a side surface of the upper region has a tapered shape, and a lower surface of the lower region includes a curved portion.Type: GrantFiled: August 9, 2018Date of Patent: April 26, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Hye Won Jung
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Patent number: 11309121Abstract: An inductor includes a coil configured in an open loop topology with a first multi-finger end and a second multi-finger end, wherein the fingers of the first end are disposed in interdigitating fashion with the fingers of the second end, and laid out on a first metal layer of a multi-layer structure; a plurality of pairs of metal strips laid out on a second metal layer of the multi-layer structure, wherein each of said plurality of pairs of metal strips comprises a first metal strip intersecting the first multi-finger end as seen from a top view and connecting to the first multi-finger end through a first set of vias, and a second metal strip intersecting the second multi-finger end as seen from the top view and connecting to the second multi-finger end through a second set of vias.Type: GrantFiled: December 21, 2018Date of Patent: April 19, 2022Assignee: REALTEK SEMICONDUCTOR CORP.Inventor: Chia-Liang (Leon) Lin
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Patent number: 11309933Abstract: Auto-balancing transformers are disclosed for balancing a multi-phase electrical system by varying the degree of electromagnetic coupling between primary and secondary windings. The auto-balancing transformer includes a movable armature to selectively couple primary phases with two or fewer phases of the secondary system.Type: GrantFiled: August 23, 2017Date of Patent: April 19, 2022Assignee: Hitachi Energy Switzerland AGInventors: Parag Upadhyay, Mirrasoul Mousavi
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Patent number: 11302471Abstract: An integrated transformer includes a primary winding and a secondary winding each having a spiral planar arrangement coils. A dielectric portion of dielectric material is interposed between the primary winding and the secondary winding. A field plate winding is electrically coupled with the primary winding. The field plate winding includes at least one field plate coil having a first lateral extension greater than a second lateral extension of a primary outer coil of the primary winding. The field plate coil is superimposed in plan view to the primary outer coil of the primary winding.Type: GrantFiled: January 16, 2020Date of Patent: April 12, 2022Assignee: STMicroelectronics S.r.l.Inventors: Vincenzo Palumbo, Gabriella Ghidini, Enzo Carollo, Fabrizio Fausto Renzo Toia
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Patent number: 11289266Abstract: A multilayer coil component includes a body including laminated ferrite layers, a coil conductor including conductive layers laminated in the body, and a pair of outer electrodes. Each of the outer electrodes is electrically connected to a corresponding one of end portions of the coil conductor. At least one of the conductive layers has a constricted portion at an end portion thereof. Each of the conductive layers includes a first conductive layer and a second conductive layer. The first conductive layer has a thickness different from the second conductive layer.Type: GrantFiled: January 10, 2019Date of Patent: March 29, 2022Assignee: Murata Manufacturing Co., Ltd.Inventor: Katsuhisa Imada
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Patent number: 11289264Abstract: An inductor includes a body in which a plurality of insulating layers on which a plurality of coil patterns are arranged are stacked, and first and second external electrodes disposed on an external surface of the body, wherein the plurality of coil patterns are connected through coil connecting portions and include coil patterns disposed on an outer side and coil patterns disposed on an inner side thereof, a coil pattern disposed on the inner side adjacent to the coil pattern disposed on the outer side includes two coil connecting portions spaced apart from each other and facing each other in a length direction of the body, and a dummy electrode pattern is further disposed in a void portion between two coil connecting portions.Type: GrantFiled: November 14, 2018Date of Patent: March 29, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Jun Lim, Yeong Min Jeong, Kyung Ho Lee, Han Kim, Sang Jong Lee, Su Bong Jang
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Patent number: 11282634Abstract: A coil electronic component includes a body and external electrodes disposed on an external surface of the body. The body includes a support member including a through-hole, upper and lower coils supported by the support member and including a plurality of coil patterns, a via connecting the upper and lower coils to each other, and an insulating wall supported by the support member and insulating adjacent coil patterns from each other. The via is formed on at least a portion of a interface of the through-hole.Type: GrantFiled: July 31, 2018Date of Patent: March 22, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Young Sun Kim, Kwang Il Park
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Patent number: 11276523Abstract: An ignition coil includes a primary coil, a secondary coil, a primary bobbin, a secondary bobbin, a center core, and a mold resin. The center core has a pair of collar portions protruding from a main body of the center core respectively to opposite sides in a protruding direction. The primary bobbin has a collar portion at least partially sandwiched between the collar portions of the center core and the secondary bobbin in a coil axial direction. The collar portion of the primary bobbin includes an overlapping portion that overlaps the collar portions of the center core in the coil axial direction and is bonded to the collar portions. The primary bobbin is formed of a thermoplastic resin and dispersed-phase particles dispersed in the thermoplastic resin. In the overlapping portion of the primary bobbin, there is formed a specific separating layer that separates adjacent layers in the coil axial direction.Type: GrantFiled: October 5, 2018Date of Patent: March 15, 2022Assignee: DENSO CORPORATIONInventors: Kengo Osawa, Masahiro Inagaki
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Patent number: 11277067Abstract: A power module and a manufacturing method thereof are disclosed. The power module includes a magnetic component, a bare power chip and a conductive set. The magnetic component includes a first surface and a second surface opposite to each other. The bare power chip is disposed on the magnetic component and includes a third surface and a fourth surface opposite to each other. The conductive set is disposed on the magnetic component and electrically connected with the magnetic component and the bare power chip. The third or fourth surface of the bare power chip is at least partially attached on the first or second surface of the magnetic component, and at least partially included in a projected envelopment of the corresponding first or second surface of the magnetic component, so as to facilitate the magnetic component to support the bare power chip.Type: GrantFiled: September 13, 2018Date of Patent: March 15, 2022Assignee: DELTA ELECTRONICS, INC.Inventors: Shouyu Hong, Qingdong Chen, Kai Lu, Pengkai Ji, Xiaoni Xin, Min Zhou, Yu Zhang, Jianhong Zeng
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Patent number: 11270837Abstract: Provided is a power inductor. The power inductor includes a body including magnetic powder and a polymer, at least one base provided in the body and having at least one surface on which at least one coil pattern is disposed, and an insulation layer disposed between the coil pattern and the body. The body includes at least region in which the magnetic powder having a particle size different from that of the magnetic power in a remaining region is distributed.Type: GrantFiled: September 27, 2017Date of Patent: March 8, 2022Inventors: Gyeong Tae Kim, Ki Joung Nam, Tae Geun Seo
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Patent number: 11270830Abstract: The application invention generally deals with a double-pole voltage transformer enclosed in a tight enclosure made in the form of a resin cast comprising a central element integrated with a base and comprising circumferential sheds and two bushings situated above the circumferential sheds on the central element. The central element has the form of a circular cylinder situated with its side wall horizontally on the base plane, and the circumferential sheds are situated around the central element only in the area of the contact between the central element and the base, and above the circumferential sheds there are side elements of the cast forming side sheds, and above the side sheds there is situated a circumferential top shed surrounding a fragment of the side surface of the central element, and the bushings are detachably joined with the central element through projections respectively.Type: GrantFiled: February 8, 2018Date of Patent: March 8, 2022Assignee: ABB Schweiz AGInventors: Piotr Liszewski, Jaroslaw Chorzepa
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Patent number: 11270836Abstract: An inductor includes a body in which a plurality of insulating layers on which a plurality of coil patterns are respectively disposed are stacked, and first and second external electrodes disposed on an external surface of the body. The plurality of coil patterns are connected to each other by coil connecting portions and opposing ends thereof are connected to the first and second external electrodes through coil lead portions, respectively, to form a coil. The plurality of coil patterns include coil patterns disposed on outermost sides of the body and coil patterns disposed on an inner side thereof. The coil patterns arranged on the inner side are connected in parallel. At least one of gaps between the coil patterns arranged on the inner side is greater than a gap between other remaining coil patterns.Type: GrantFiled: November 13, 2018Date of Patent: March 8, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Soo Park, Hwi Dae Kim, Young Ghyu Ahn