With Structure For Mounting Semiconductor Chip To Lead Frame (e.g., Configuration Of Die Bonding Flag, Absence Of A Die Bonding Flag, Recess For Led) Patents (Class 257/676)
  • Patent number: 12199019
    Abstract: A semiconductor package is disclosed. In one example, the semiconductor package comprises a semiconductor chip, a molded body encapsulating the semiconductor chip and comprising a top face and an opposing bottom face and four side faces connecting the top and bottom faces, and a plurality of electrical contacts arranged on two of the side faces of the molded body, wherein the other two side faces are metal-free side faces, and wherein the molded body comprises a cut surface at no more than one of the side faces.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: January 14, 2025
    Assignee: Infineon Technologies AG
    Inventors: Mohamad Yazid Bin Wagiman, Romel Solanoy Lazala, Eko Susilo, Prasanna Kumar Vishwanathan
  • Patent number: 12200852
    Abstract: A heat sink apparatus is provided. The heat sink apparatus includes a metal plate that includes a through hole, one or more hollow openings on a first surface of the metal plate, and a recessed groove on the first surface and navigating around the one or more hollow openings. The through hole is used to apply a differential force.
    Type: Grant
    Filed: May 24, 2024
    Date of Patent: January 14, 2025
    Assignee: Auradine Inc.
    Inventor: Glen Gibson
  • Patent number: 12191285
    Abstract: An optical projection device and a method of producing the optical projection device are described. The optical projection device includes: a plurality of LEDs (light-emitting diodes), the LEDs each including a semiconductor mesa laterally spaced apart from one another by a grid structure. Each of the semiconductor mesas includes an n-type material and a p-type material adjoining at least partly the n-type material. The grid structure at least partly laterally surrounds at least the n-type material of each of the semiconductor mesas. The grid structure includes a conductive material that electrically interconnects the n-type material of the semiconductor mesas. The grid structure is configured to block optical crosstalk between light emitted by the LEDs.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: January 7, 2025
    Assignee: Infineon Technologies AG
    Inventors: Dietrich Bonart, Frank Singer
  • Patent number: 12191259
    Abstract: A multi-channel gate driver package includes a leadframe including a first, second, and third die pad. A transmitter die includes first and second transmitter signal bond pads, a first receiver die including a second signal bond pad, and a second receiver die including a third signal bond pad. A bond wire is between the first transmitter signal bond pad and the second signal bond pad, and between the second transmitter signal bond pad and third signal bond pad. A ring shield is around the respective signal bond pads. A downbond is from the second ring shield to the second die pad, and from the third ring shield to the third die pad. A connection connects the first and second transmitter ring shield to at least one ground pin of the package. The second and third die pad each include a direct integral connection to the ground pin.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: January 7, 2025
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Yiqi Tang, Rajen Murugan, Jie Chen
  • Patent number: 12184237
    Abstract: A device includes a package body including a central flange and an amplifier module mounted to the central flange of the surface-mount device. The amplifier module includes a module substrate mounted to the central flange. The module substrate includes a first die mount window, a first circuitry on a first surface of the module substrate, a second circuitry on the first surface of the module substrate, and a first amplifier die mounted on the central flange. The first amplifier die is at least partially disposed within the first die mount window and the first amplifier die is electrically connected to the first circuitry and the second circuitry. The first circuitry is electrically connected to a first lead of the package body and the second circuitry is electrically connected to a second lead of the package body.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: December 31, 2024
    Assignee: NXP USA, Inc.
    Inventors: Lu Ll, Li Ll, Lakshminarayan Viswanathan, Zhiwei Gong, Fernando A. Santos, Elie A. Maalouf, Eduard Jan Pabst
  • Patent number: 12183703
    Abstract: In one instance, a method of forming a semiconductor package with a leadframe includes cutting, such as with a laser, a first side of a metal strip to a depth D1 according to a cutting pattern to form a first plurality of openings, which may be curvilinear. The method further includes etching the second side of the metal strip to a depth D2 according to a photoresist pattern to form a second plurality of openings. At least some of the first plurality of openings are in fluid communication with at least some of the second plurality of openings to form a plurality of leadframe leads. The depth D1 is shallower than a height H of the metal strip, and the depth D2 is also shallower than the height H. Other embodiments are presented.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: December 31, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventor: Sreenivasan K. Koduri
  • Patent number: 12176308
    Abstract: A package substrate may include an insulation substrate, at least one redistribution layer (RDL) and a redistribution pad. The RDL may be included in the insulation substrate. The redistribution pad may extend from the RDL. The redistribution pad may include at least one segmenting groove in a radial direction of the redistribution pad. Thus, the at least one segmenting groove in the radial direction of the redistribution pad may reduce an area of the redistribution pad. Therefore, application of physical stress to a PID disposed over the redistribution pad may be suppressed, and thus generation of cracks in the PID may be reduced. Further, spreading of the cracks toward the redistribution pad from the PID may also be suppressed, and thus reliability the semiconductor package may be improved.
    Type: Grant
    Filed: September 1, 2023
    Date of Patent: December 24, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngkyu Lim, Gookmi Song, Sunguk Lee
  • Patent number: 12166162
    Abstract: A semiconductor light emitting device includes a semiconductor light source, a resin package surrounding the semiconductor light source, and a lead fixed to the resin package. The lead is provided with a die bonding pad for bonding the semiconductor light source, and with an exposed surface opposite to the die bonding pad The exposed surface is surrounded by the resin package in the in-plane direction of the exposed surface.
    Type: Grant
    Filed: September 1, 2023
    Date of Patent: December 10, 2024
    Assignee: ROHM CO., LTD.
    Inventors: Masahiko Kobayakawa, Kazuhiro Mireba, Shintaro Yasuda, Junichi Itai, Taisuke Okada
  • Patent number: 12166002
    Abstract: Provided is a semiconductor device including a conductive member including a main surface facing one side in a thickness direction; a semiconductor element including a plurality of pads facing the main surface of the conductive member; and a plurality of electrodes protruding from the plurality of pads toward the other side in the thickness direction. The conductive member includes a plurality of recessed portions recessed from the main surface toward the other side in the thickness direction. The semiconductor device further includes a bonding layer that is conductive and that is arranged in each of the plurality of recessed portions. The plurality of electrodes are separately inserted into the plurality of recessed portions. The conductive member and the plurality of electrodes are bonded through the bonding layers.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: December 10, 2024
    Assignee: ROHM Co., LTD.
    Inventors: Yosui Futamura, Akinori Nii
  • Patent number: 12159819
    Abstract: A semiconductor device includes a first die pad, a second die pad, a first semiconductor element, a second semiconductor element, an insulating element, first terminals, second terminals, and a sealing resin. The sealing resin has a top surface, a bottom surface, and a first side surface connected to the top surface and the bottom surface. The first side surface includes a first region connected to the top surface, a second region connected to the bottom surface, and a third region connected to the first region and the second region, the plurality of first terminals being exposed to the third region. A surface roughness of each of the top surface, the bottom surface, the first region, and the second region is larger than a surface roughness of the third region.
    Type: Grant
    Filed: September 1, 2023
    Date of Patent: December 3, 2024
    Assignee: ROHM CO., LTD.
    Inventor: Hiroaki Matsubara
  • Patent number: 12155307
    Abstract: A power converter module includes a ground terminal, an input voltage terminal configured to receive a raw input voltage, and an interconnection terminal configured to provide a regulated output voltage to a load such as a SOC or SIP system to be powered. A voltage regulator is connected to the ground terminal and the input voltage terminal. An inductor has an inductor output connected to the interconnection terminal.
    Type: Grant
    Filed: December 26, 2023
    Date of Patent: November 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ying-Chih Hsu, Eric Soenen, Alan Roth
  • Patent number: 12150236
    Abstract: A voltage regulator module includes: power input and output terminals at a same side of the voltage regulator module; a first power stage configured to receive an input voltage from the power input terminal and output a phase current at a switch node of the first power stage, the first power stage including an inductor having a vertical conductor embedded in a magnetic core, the vertical conductor having a first end which is electrically connected to the switch node and a second end opposite the first end; and a first metal clip which electrically connects the second end of the vertical conductor to the power output terminal such that power is delivered to and from the voltage regulator module at the same side of the voltage regulator module. A method of producing the voltage regulator module and electronic assembly that includes the voltage regulator module are also described.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: November 19, 2024
    Assignee: Infineon Technologies Austria AG
    Inventors: Gerald Deboy, Kok Yau Chua, Angela Kessler, Kennith Kin Leong, Chee Yang Ng, Luca Peluso
  • Patent number: 12142548
    Abstract: A semiconductor package comprises a lead frame, a chip, and a molding encapsulation. The lead frame comprises one or more die paddles comprising a first die paddle. The first die paddle comprises one or more through holes, one or more protrusions with grooves on top surfaces of the one or more protrusions, or one or more squeezed extensions. Each of the one or more through holes is filled with a respective portion of the molding encapsulation. Each of the one or more through holes may be of a rectangular shape, a rectangular shape with four filleted corners, a circular shape, or an oval shape. Each of the grooves is filled with a respective portion of the molding encapsulation. A respective side wall of each of the one or more squeezed extensions is of a swallowtail shape. The swallowtail shape directly contacts the molding encapsulation.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: November 12, 2024
    Assignee: ALPHA AND OMEGA SEMICONDUCTOR INTERNATIONAL LP
    Inventors: Yan Xun Xue, Long-Ching Wang, Xiaoguang Zeng, Mary Jane R. Alin, Hailin Zhou, Guobing Shen
  • Patent number: 12142549
    Abstract: A method of applying a die attach material includes forming a wafer stencil by selectively removing on the back side of a wafer including a plurality of semiconductor die having an active top side a predetermined depth to form a recess having an inner circumference while not removing an outer most circumference of the wafer. The recess is filled with a B-stage adhesive material. The wafer is singulated to form a plurality singulated semiconductor die. The singulated semiconductor die is die attached back side down to a package substrate, and then the B-stage adhesive material is cured. The B-stage adhesive material across its full area generally has a minimum thickness of at least 20 ?m and a maximum thickness range of 6 ?m.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: November 12, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventor: Mario Alfonso Eduardo Magana
  • Patent number: 12125772
    Abstract: A method includes providing a first lead frame that includes a first die pad and a first row of leads, providing a connection lug, mounting a first semiconductor die on the first die pad, the first semiconductor die including first and second voltage blocking terminals, electrically connecting the connection lug to one of the first and second voltage blocking terminals, electrically connecting a first one of the leads from the first row to an opposite one of the first and second voltage blocking terminals, and forming an encapsulant body of electrically insulating material that encapsulates first die pad and the first semiconductor die. After forming the encapsulant body, the first row of leads each protrude out of a first outer face of the encapsulant body and the connection lug protrudes out of a second outer face of the encapsulant body.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: October 22, 2024
    Assignee: Infineon Technologies Austria AG
    Inventors: Edward Fuergut, Martin Gruber, Herbert Hopfgartner, Bernd Schmoelzer
  • Patent number: 12125779
    Abstract: A semiconductor device includes: a chip; a circuit element formed in the chip; an insulating layer formed over the chip so as to cover the circuit element; a multilayer wiring region formed in the insulating layer and including a plurality of wirings laminated and arranged in a thickness direction of the insulating layer so as to be electrically connected to the circuit element; at least one insulating region which does not include the wirings in an entire region in the thickness direction of the insulating layer and is formed in a region outside the multilayer wiring region in the insulating layer; and at least one terminal electrode disposed over the insulating layer so as to face the chip with the at least one insulating region interposed between the at least one terminal electrode and the chip.
    Type: Grant
    Filed: July 7, 2023
    Date of Patent: October 22, 2024
    Assignee: ROHM CO., LTD.
    Inventors: Hiroaki Matsubara, Kaori Sumitomo, Maki Moroi, Naoki Kinoshita
  • Patent number: 12125827
    Abstract: A chip package structure includes multiple chips stacked together, a molding layer encapsulating the multiple chips, a conductive layer is on a side of the molding layer away from the multiple chips, and a vertical conductive element extending from a surface of the molding layer to the bonding pad. Each of the multiple chips includes a bonding pad not covered by the multiple chips. The vertical conductive element connects the conductive layer and the bonding pad. The vertical conductive element includes gold.
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: October 22, 2024
    Assignee: YANGTZE MEMORY TECHNOLOGIES CO., LTD
    Inventors: XinRu Zeng, Peng Chen, Houde Zhou
  • Patent number: 12125771
    Abstract: A semiconductor package comprises a leadframe, a component module, and a semiconductor die. The leadframe has a plurality of insertion terminals, a split die pad, and one or more leads. The component module has one or more passive components mounted on a substrate. The semiconductor die has an integrated circuit. The component module is mounted on a split die pad at a first surface of the leadframe and forms an electrical connection with the insertion terminals. Further, the semiconductor die is mounted on the split die pad at a second surface of the leadframe which is opposite to the first surface.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: October 22, 2024
    Assignee: NXP B.V.
    Inventors: Chayathorn Saklang, Chanon Suwankasab, Amornthep Saiyajitara, Verapath Vareesantichai
  • Patent number: 12119288
    Abstract: A semiconductor package includes: a lead frame that includes a first surface and a second surface opposite to the first surface, where the lead frame includes a first lead that extends in a first direction, and a plurality of second leads that are spaced apart from the first lead on both sides of the first lead; at least one semiconductor chip mounted on the first surface of the lead frame by a plurality of bumps; and an encapsulant that encapsulates the lead frame and the at least one semiconductor chip, wherein the first lead has a groove in the first surface that partitions the plurality of bumps in contact with the first lead.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: October 15, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Youngbae Kim, Sungwoo Park
  • Patent number: 12119263
    Abstract: In a described example, an integrated circuit (IC) package includes an IC die disposed on a die attach pad; a plurality of leads electrically connected to terminals on the IC die, the leads including a base metal; and molding compound material encapsulating portions of the IC die, the die attach pads, and the plurality of leads; the plurality of leads having a solder joint reinforcement tab. The solder joint reinforcement tabs include a first side, a second side opposite to the first side, a third side, a fourth side opposite to and in parallel to the third side, a fifth side forming an end portion of the solder joint reinforcement tab, the solder joint reinforcement tabs including a solderable metal layer on the second, third and fourth sides and on portions of the fifth side.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: October 15, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventor: Makoto Shibuya
  • Patent number: 12113001
    Abstract: A lead frame assembly includes a lead frame body, an encapsulant unit, and dicing positioning units. The lead frame body includes lead frame units, an outer frame portion extending around the lead frame units, and through holes formed on the outer frame portion. The encapsulant unit includes a lower encapsulating portion, and an upper encapsulating portion formed on the lower encapsulating portion. The dicing positioning units are respectively located at the through holes, and each includes an adhesive layer which partially fills a corresponding one of the through holes and which is formed with at least one dicing positioning hole. The dicing positioning units define at least one first dicing positioning line and at least one second dicing positioning line.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: October 8, 2024
    Assignee: CHANG WAH TECHNOLOGY CO., LTD.
    Inventor: Chia-Neng Huang
  • Patent number: 12113041
    Abstract: In order to reduce on-resistance in a semiconductor device to be used for high current applications, the semiconductor device includes a source terminal lead located between a gate terminal lead and a Kelvin terminal lead in plan view and electrically connected with a source terminal via a plurality of wires.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: October 8, 2024
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Noriko Okunishi, Toshiyuki Hata
  • Patent number: 12113053
    Abstract: A LED chip transfer method comprises: providing a driving substrate having at least one set of binding points, the set of binding points comprising a first and second binding points; forming a compensation layer covering the first and second binding points; providing a chip substrate comprising a substrate and chips; performing a first alignment treatment to form a first groove and a second groove on the compensation layer; forming a first and second via holes spaced from each other by the first groove and the second groove, forming a first transfer electrode and a second transfer electrode disconnected from each other on the compensation layer, inserting the first pin and the second groove into the first groove and the second groove to bind with the first transfer electrode and the second transfer electrode; and stripping the substrate from the chip.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: October 8, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Yang Pu, Haijiang Yuan
  • Patent number: 12107062
    Abstract: A semiconductor die includes a substrate including a semiconductor surface including circuitry electrically connected to die bond pads that include a first die bond pad exposed by a passivation layer, a top dielectric layer over the passivation layer, and a metal layer electrically connected to the first die bond pad. A pillar is on the metal layer over the first die bond pad, and a solder cap is on a top side of the pillar. The solder cap includes an essentially vertical sidewall portion generally beginning at a top corner edge of the pillar.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: October 1, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventor: Rafael Jose Guevara
  • Patent number: 12100649
    Abstract: A device comprising a package and a board. The package includes a substrate comprising a first surface and a second surface, a passive component coupled to the first surface of the substrate, an integrated device coupled to the second surface of the substrate, a back side metal layer coupled to a back side of the integrated device, a first solder interconnect coupled to the back side metal layer, and a plurality of solder interconnects coupled to the second surface of the substrate. The board is coupled to the package through the plurality of solder interconnects. The first solder interconnect is coupled to the board.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: September 24, 2024
    Assignee: QUALCOMM INCORPORATED
    Inventors: Chien-Te Feng, Wen Yin, Jay Scott Salmon
  • Patent number: 12094808
    Abstract: A semiconductor device includes a first die pad, a second die pad, a first semiconductor element, a second semiconductor element, an insulating element, first terminals, second terminals, and a sealing resin. The sealing resin has a top surface, a bottom surface, and first to third side surfaces. The first terminals include a first edge terminal located closest to the third side surface. The second terminals include a second edge terminal located closest to the third side surface. A first creepage distance, which is a shortest distance from the first edge terminal to the second edge terminal along the first side surface, the third side surface, and the second side surface, is shorter than a second creepage distance, which is a shortest distance from the first edge terminal to the second edge terminal along the first side surface, the bottom surface, and the second side surface.
    Type: Grant
    Filed: July 7, 2023
    Date of Patent: September 17, 2024
    Assignee: ROHM CO., LTD.
    Inventor: Hiroaki Matsubara
  • Patent number: 12094725
    Abstract: Embodiments of the present disclosure are directed to a leadframe package with recesses formed in outer surface of the leads. The recesses are filled with a filler material, such as solder. The filler material in the recesses provides a wetable surface for filler material, such as solder, to adhere to during mounting of the package to another device, such as a printed circuit board (PCB). This enables strong solder joints between the leads of the package and the PCB. It also enables improved visual inspection of the solder joints after the package has been mounted.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: September 17, 2024
    Assignee: STMicroelectronics, Inc.
    Inventors: Jefferson Talledo, Frederick Ray Gomez
  • Patent number: 12087674
    Abstract: A method includes attaching semiconductor dies to die attach pads of first and second columns of the lead frame; enclosing the semiconductor dies of the respective columns in respective first and second package structures; trimming the lead frame to separate respective first and second lead portions of adjacent ones of the first and second columns of the lead frame; moving the first columns along a column direction relative to the second columns; and separating individual packaged electronic devices of the respective first and second columns from one another.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: September 10, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Lee Han Meng@Eugene Lee, Anis Fauzi Bin Abdul Aziz, Sueann Wei Fen Lim, Jin Keong Lim
  • Patent number: 12087676
    Abstract: In one example, a semiconductor device includes a substrate having leads that include lead terminals, lead steps, and lead offsets extending between the lead steps so that at least some lead steps reside on different planes. A first electronic component is coupled to a first lead step side and includes a first electronic component first side, and a first electronic component second side opposite to the first electronic component first side. A second electronic component is coupled to a second lead step side, and includes a second electronic component first side, and a second electronic component second side opposite to the second electronic component first side. An encapsulant encapsulates the first electronic component, the second electronic component, and portions of the substrate. The lead terminals are exposed from a first side of the encapsulant. Other examples and related methods are also disclosed herein.
    Type: Grant
    Filed: July 3, 2023
    Date of Patent: September 10, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Jae Min Bae, Hyung Jun Cho, Seung Woo Lee
  • Patent number: 12088943
    Abstract: An imaging element includes: an imaging unit in which a plurality of pixel groups including a plurality of pixels that output pixel signals according to incident light are formed, and on which incident light corresponding to mutually different pieces of image information is incident; a control unit that controls, for each of the pixel groups, a period of accumulating in the plurality of pixels included in the pixel group; and a readout unit that is provided to each of the pixel groups, and reads out the pixel signals from the plurality of pixels included in the pixel group.
    Type: Grant
    Filed: May 3, 2023
    Date of Patent: September 10, 2024
    Assignee: NIKON CORPORATION
    Inventors: Shiro Tsunai, Hironobu Murata
  • Patent number: 12087662
    Abstract: The present disclosure provides a package structure and a method for forming a package structure. The package structure includes a first die having a front surface and a back surface opposite to the front surface; and a thermal management structure over the back surface. The thermal management structure includes a first copper-phosphorous alloy layer thermally coupled to the back surface of the first die.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: September 10, 2024
    Inventor: Chun-Ming Lin
  • Patent number: 12080636
    Abstract: In a semiconductor package in which a semiconductor substrate is mounted, thermal resistance of the semiconductor substrate is reduced. The semiconductor package includes a semiconductor substrate, an insulating layer, a metal layer, an interposer substrate, a mounting substrate, a signal transmission solder ball, and a solder member. A pad is provided on one surface of the semiconductor substrate. A different surface of the semiconductor substrate is covered with the insulating layer. The metal layer covers the insulating layer. A wire to be connected to the pad is formed on the interposer substrate. The signal transmission solder ball is jointed to the wire and the mounting substrate, and transmits a predetermined electrical signal. The solder member is jointed to the metal layer and the mounting substrate.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: September 3, 2024
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventor: Koichi Igarashi
  • Patent number: 12074160
    Abstract: Described implementations provide wireless, surface mounting of at least two semiconductor devices on opposed surfaces of a leadframe, to provide an isolated, three-dimensional (3D) configuration. The described implementations minimize electrical failures, even for very high voltage applications, while enabling low inductance and high current. Resulting semiconductor device packages have mounting surfaces that provide desired levels of isolation and insulation, while still enabling straightforward mounting techniques, such as soldering, as well as high levels of thermal reliability.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: August 27, 2024
    Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Tiburcio A. Maldo, Keunhyuk Lee, Jerome Teysseyre
  • Patent number: 12074096
    Abstract: A microelectronic device is formed by thinning a substrate of the microelectronic device from a die attach surface of the substrate, and forming a copper-containing layer on the die attach surface of the substrate. A protective metal layer is formed on the copper-containing layer. Subsequently, the copper-containing layer is attached to a package member having a package die mount area. The protective metal layer may optionally be removed prior to attaching the copper-containing layer to the package member. Alternatively, the protective metal layer may be left on the copper-containing layer when the copper-containing layer is attached to the package member. A structure formed by the method is also disclosed.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: August 27, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Christopher Daniel Manack, Nazila Dadvand, Salvatore Pavone
  • Patent number: 12068229
    Abstract: A semiconductor device includes a first die pad, a second die pad, a first semiconductor element, a second semiconductor element, an insulating element, first terminals, second terminals, and a sealing resin. The sealing resin has a first side surface located on one side of a first direction, a second side surface located on the other side of the first direction, and third and fourth side surfaces that are separated from each other in a second direction orthogonal to both a thickness direction and the first direction and are connected to the first and second side surfaces. A first gate mark having a surface roughness larger than the other regions of the third side surface is formed on the third side surface. When viewed along the second direction, the first gate mark overlaps a pad gap provided between the first die pad and the second die pad in the first direction.
    Type: Grant
    Filed: June 22, 2023
    Date of Patent: August 20, 2024
    Assignee: ROHM CO., LTD.
    Inventor: Hiroaki Matsubara
  • Patent number: 12065726
    Abstract: Embodiments of the present disclosure provide a mask assembly and a manufacturing method thereof. The mask assembly includes: a frame; a mask provided with a mask area and connection areas positioned on opposite sides of the mask area; and a plurality of first connection parts in each connection area, wherein the plurality of first connection parts in each connection area are arranged in M rows and N columns, each row includes a plurality of first connection parts, each column includes at least one first connection part, and in the same connection area, the first connection parts of any two adjacent rows are arranged in a staggered manner, where each of M and N is an integer larger than 1, and the mask is fixed to the frame via the plurality of first connection parts.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: August 20, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Leifang Xiao, Guoqiang Ma, Peng Xu, Jiancheng Zhao
  • Patent number: 12068213
    Abstract: A chip package including a semiconductor chip is provided. The chip package may include a packaging material at least partially around the semiconductor chip with an opening extending from a top surface of the packaging material to the semiconductor chip and/or to an electrical contact structure contacting the semiconductor chip, and a thermally conductive material in the opening, wherein the thermally conductive material is configured to transfer heat from the semiconductor chip to an outside, wherein the thermally conductive material extends laterally at least partially over the top surface of the packaging material.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: August 20, 2024
    Assignee: Infineon Technologies AG
    Inventors: Thai Kee Gan, Sanjay Kumar Murugan, Ralf Otremba
  • Patent number: 12062595
    Abstract: A semiconductor device includes a resin member, a die pad including a first surface on which a semiconductor chip is disposed and covered by the resin member, and a second surface opposite to the first surface and partially covered by the resin member such that a first portion of the second surface is exposed from the resin member, and a plurality of electrodes each separated from the die pad and including a first surface connected to the semiconductor chip and covered by the resin member, and a second surface partially covered by the resin member such that a second portion of the second surface is exposed from the resin member. The first portion of the die pad includes at least four sides, each of which is nonparallel to a side of the second portion of one of the electrodes that faces the side.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: August 13, 2024
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation
    Inventor: Shunsuke Morimoto
  • Patent number: 12062600
    Abstract: A lead frame includes a first area, situated on a first surface of the lead frame, for mounting a semiconductor chip, and a second area, situated on the first surface of the lead frame, around the first area, wherein the second area includes a roughened area and a less-rough area situated between the roughened area and the first area, the less-rough area having a higher flatness than the roughened area.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: August 13, 2024
    Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventor: Shintaro Hayashi
  • Patent number: 12057378
    Abstract: In one example, a packaged electronic device includes a molded substrate. The molded substrate includes a conductive structure having an edge lead with an edge lead outward side and an edge lead inward side opposite to the edge lead outward side, and an inner lead having an inner lead outward side and an inner lead inward side opposite to the inner lead outward side. The molded substrate includes a substrate encapsulant covering a lower portion of the edge lead inward side, a lower portion of the inner lead inward side, and a lower portion of the inner lead outward side. An upper portion of the edge lead outward side and an upper portion of the inner lead outward side are exposed from the substrate encapsulant. An electronic component is connected to the edge lead and the inner lead. A body encapsulant covers the electronic component and portions of the conductive structure.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: August 6, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gi Jeong Kim, Hyeong Il Jeon, Byong Jin Kim, Junichiro Abe
  • Patent number: 12051642
    Abstract: A Quad Flat No-Lead (QFN) package comprises a semiconductor die, a lead frame and molding compound. The lead frame comprises a die pad having a substantially rectangular inner part and a plurality of protrusions around the periphery thereof and contiguous therewith and extending outwardly therefrom, and a plurality of leads around the four sides of the die-pad. The molding compound encapsulates the semiconductor die and forming the package. The molding compound has a respective moat therein between each side of the die pad and a respective set of leads. The die pad has a plurality of trenches extending from the second surface of the die pad towards the first surface at least in the inner part of the die pad. The plurality of the trenches each extend across a protrusion to the moat.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: July 30, 2024
    Assignee: NXP USA, Inc.
    Inventors: You Ge, Zhijie Wang, Meng Kong Lye
  • Patent number: 12046541
    Abstract: A semiconductor device includes a plurality of leads, a semiconductor element electrically connected to the leads and supported by one of the leads, and a sealing resin covering the semiconductor element and a part of each lead. The sealing resin includes a first edge, a second edge perpendicular to the first edge, and a center line parallel to the first edge. The reverse surfaces of the respective leads include parts exposed from the sealing resin, and the exposed parts include an outer reverse-surface mount portion and an inner reverse-surface mount portion that are disposed along the second edge of the sealing resin. The inner reverse-surface mount portion is closer to the center line of the sealing resin than is the outer reverse-surface mount portion. The outer reverse-surface mount portion is greater in area than the inner reverse-surface mount portion.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: July 23, 2024
    Assignee: ROHM CO., LTD.
    Inventor: Katsuhiro Iwai
  • Patent number: 12046549
    Abstract: A semiconductor device includes an insulating substrate, a first and a second obverse-surface metal layers disposed on an obverse surface of the insulating substrate, a first and a second reverse-surface metal layers disposed on a reverse surface of the insulating substrate, a first conductive layer and a first semiconductor element disposed on the first obverse-surface metal layer, and a second conductive layer and a second semiconductor element disposed on the second obverse-surface metal layer. Each of the first conductive layer and the second conductive layer has an anisotropic coefficient of linear expansion and is arranged such that the direction in which the coefficient of linear expansion is relatively large is along a predetermined direction perpendicular to the thickness direction of the insulating substrate. The first and second reverse-surface metal layers are smaller than the first and second obverse-surface metal layers in dimension in the predetermined direction.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: July 23, 2024
    Assignee: ROHM CO., LTD.
    Inventor: Maiko Hatano
  • Patent number: 12040258
    Abstract: A semiconductor apparatus according to the present invention is a semiconductor apparatus on which a plurality of external terminals are disposed. The semiconductor apparatus includes: a first lead portions having die pads, first outer leads and first inner leads; chips; second lead portions having second outer leads and second inner lead; and a resin. On at least one of the first inner leads, the second inner leads and the die pads, a terminal temperature equalizing structure which restricts a heat transfer amount of heat transferred from the chips to predetermined external terminals, and equalizes respective terminal temperatures of a plurality of external terminals is formed. According to the semiconductor apparatus of the present invention, it is possible to prevent specific external terminals from becoming extremely high temperature when the semiconductor apparatus is mounted.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: July 16, 2024
    Assignee: SHINDENGEN ELECTRIC MANUFACTURING CO., LTD.
    Inventors: Naoto Uchida, Yoshimasa Kobayashi, Toshikazu Arai
  • Patent number: 12040197
    Abstract: An integrated circuit package having a shunt resistor with at least one self-aligning member that protrudes from a first surface, and a lead frame with at least one self-aligning feature that is a cavity within which the at least one self-aligning member is located, and an integrated circuit located on the lead frame.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: July 16, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Yuh-Harng Chien, Hung-Yu Chou, Fu-Kang Lee, Steven Alfred Kummerl
  • Patent number: 12033923
    Abstract: A semiconductor package structure is provided. The semiconductor package structure includes a lead frame and passive component. The lead frame includes a paddle and a plurality of leads. The lead frame includes a first surface and a second surface opposite to the first surface. The passive component includes an external connector. A pattern of the external connector is corresponding to a pattern of the plurality of leads of the lead frame.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: July 9, 2024
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Chi-Tsung Chiu, Hui-Ying Hsieh, Chun Hao Chiu, Chiuan-You Ding
  • Patent number: 12033868
    Abstract: An electronic package and a method for fabrication the same are provided. The method includes: disposing an electronic component on a substrate; forming an encapsulant layer on the substrate to encapsulate the electronic component; and forming a shielding layer made of metal on the encapsulant layer. The shielding layer has an extending portion extending to a lateral side of the substrate along a corner of the encapsulant layer, without extending to a lower side of the substrate. Therefore, the present disclosure prevents the shielding layer from coming into contact with conductive pads disposed on the lower side of the substrate and thereby avoids a short circuit from occurrence.
    Type: Grant
    Filed: June 28, 2023
    Date of Patent: July 9, 2024
    Assignee: Siliconware Precision Industries Co., Ltd.
    Inventors: Shu-Chi Chang, Wei-Ping Wang, Hsien-Lung Hsiao, Kaun-I Cheng
  • Patent number: 12033955
    Abstract: The present invention discloses an electromagnetic shielding package structure and a package method thereof. The package method for the electromagnetic shielding package structure includes: providing a base plate of a copper raw material, and forming a transition layer after two photoresist film operations, wherein the transition layer includes conductive connecting ribs connecting functional pins to an outer side wall; mounting a chip. performing first encapsulating, and etching off the conductive connecting ribs connecting the functional pins to the outer side wall; performing secondary encapsulating on an etched part; and after forming a singulated body by cutting, blocking the connection between the functional pins and the outer side wall by a plastic package material, and only reserving grounding pins to be connected to the outer side wall through the conductive connecting ribs.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: July 9, 2024
    Assignee: JCET GROUP CO., LTD.
    Inventors: Man Bao, Yi Liu, Zhen Gong
  • Patent number: 12027485
    Abstract: A method of forming a packaged semiconductor device includes attaching a backside surface of a semiconductor die to a major surface of a package substrate. A first conductive connector is formed over a portion of an active surface of the semiconductor die and a portion of the major surface of the package substrate. A first conductive connection between a first bond pad of the semiconductor die and a first substrate pad of the package substrate is formed by way of the first conductive connector. A bond wire connects a second bond pad of the semiconductor die to a second substrate pad of the package substrate. The first bond pad located between the second bond pad and an edge of the semiconductor die.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: July 2, 2024
    Assignee: NXP USA, Inc.
    Inventor: Jinbang Tang
  • Patent number: 12021010
    Abstract: An electronic device includes an electronic component provided with a first electrode pad, a die pad including an obverse surface facing in a first direction with the electronic component mounted on the obverse surface, a first lead, a second lead, and a first connection member electrically connecting the first electrode pad and the first lead to each other. The first lead and the second lead are disposed, as viewed in the first direction, on a same side of the die pad in a second direction perpendicular to the first direction. The first lead includes a first pad portion and a first extended portion. The first connection member is bonded to the first pad portion. The first extended portion extends from the first pad portion up to a position located between the die pad and the second lead as viewed in the first direction.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: June 25, 2024
    Assignee: ROHM CO., LTD.
    Inventors: Katsutoki Shirai, Yoshio Higashida