Flip Chip Patents (Class 257/778)
  • Patent number: 9960375
    Abstract: Disclosed herein is an organic light-emitting display device having a first flexible substrate; a second flexible substrate; a plurality of organic light-emitting pixels on the first flexible substrate and between the first flexible substrate and the second flexible substrate; an encapsulation unit covering the pixels; and an adhesive layer on the encapsulation unit. The Young's modulus of the adhesive layer is equal to or larger than a value so that the first flexible substrate is not deformed by bending stress when it is rolled up.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: May 1, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: JooHwan Shin, BongChul Kim, Jaewook Park
  • Patent number: 9960125
    Abstract: A method of forming a semiconductor package includes forming an interconnecting structure on an adhesive layer, wherein the adhesive layer is on a carrier. The method further includes placing a semiconductor die on a surface of the interconnecting structure. The method further includes placing a package structure on the surface of the interconnecting structure, wherein the semiconductor die fits in a space between the interconnecting structure and the package structure. The method further includes performing a reflow to bond the package structure to the interconnecting structure.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: May 1, 2018
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Jing-Cheng Lin, Chin-Chuan Chang, Jui-Pin Hung
  • Patent number: 9883593
    Abstract: Provided are semiconductor modules and semiconductor packages. The semiconductor module may include a module substrate and a semiconductor package mounted on the module substrate. The semiconductor package may include a substrate with a top surface and a bottom surface. Here, the top surface of the substrate may be flat and the bottom surface of the substrate may include a first region and a second region positioned at a lower level than the first region. The semiconductor package may further include connecting portions which are provided on the bottom surface of the substrate and electrically connected to the module substrate.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: January 30, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: KyongSoon Cho, Yungcheol Kong
  • Patent number: 9881886
    Abstract: A method of forming a semiconductor device assembly comprises forming on a first substrate, at least one bond pad comprising a first nickel material over the first substrate, a first copper material on the first nickel material, and a solder-wetting material on the first copper material. On a second substrate is formed at least one conductive pillar comprising a second nickel material, a second copper material directly contacting the second nickel material, and a solder material directly contacting the second copper material. The solder-wetting material is contacted with the solder material. The first copper material, the solder-wetting material, the second copper material, and the solder material are converted into a substantially homogeneous intermetallic compound interconnect structure. Additional methods, semiconductor device assemblies, and interconnect structures are also described.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: January 30, 2018
    Assignee: Micron Technology, Inc.
    Inventor: Jaspreet S. Gandhi
  • Patent number: 9871018
    Abstract: Packaged semiconductor devices and methods of packaging semiconductor devices are disclosed. In some embodiments, a method of packaging a semiconductor device includes forming a mask coating over a carrier, coupling an integrated circuit die over the mask coating, and disposing a molding compound around the integrated circuit die. The method includes forming an interconnect structure over the integrated circuit die and the molding compound.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: January 16, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-Hua Yu, Chung-Shi Liu, Chih-Fan Huang, Hui-Min Huang, Wei-Hung Lin, Ming-Da Cheng
  • Patent number: 9849297
    Abstract: The invention is directed to a method of bonding a hermetically sealed electronics package to an electrode or a flexible circuit and the resulting electronics package, that is suitable for implantation in living tissue, such as for a retinal or cortical electrode array to enable restoration of sight to certain non-sighted individuals. The hermetically sealed electronics package is directly bonded to the flex circuit or electrode by electroplating a biocompatible material, such as platinum or gold, effectively forming a studbump connection, which bonds the flex circuit to the electronics package. The resulting electronic device is biocompatible and is suitable for long-term implantation in living tissue.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: December 26, 2017
    Assignee: Second Sight Medical Products, Inc.
    Inventors: Robert J Greenberg, Neil Talbot, Jerry Ok, Jordan Neysmith, David Zhou
  • Patent number: 9847283
    Abstract: A semiconductor device has wettable corner leads. A semiconductor die is mounted on a lead frame. Die bonding pads are electrically connected to leads of the lead frame. The die and electrical connections are encapsulated with a mold compound. The leads are exposed and flush with the corners of the device. The leads include dimples so that they are wettable, which facilitates inspection when the device is mounted on a circuit board or substrate.
    Type: Grant
    Filed: November 6, 2016
    Date of Patent: December 19, 2017
    Assignee: Nexperia B.V.
    Inventors: Xue Ke, Kan Wae Lam, Sven Walczyk, Wai Keung Ho, Wing Onn Chaw
  • Patent number: 9847256
    Abstract: A device including a first dielectric layer on a semiconductor substrate, a gate electrode formed in the first dielectric layer, and a through-substrate via (TSV) structure penetrating the first dielectric layer and extending into the semiconductor substrate. The TSV structure includes a conductive layer, a diffusion barrier layer surrounding the conductive layer and an isolation layer surrounding the diffusion barrier layer. A capping layer including cobalt is formed on the top surface of the conductive layer of the TSV structure.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: December 19, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yung-Chi Lin, Yen-Hung Chen, Yin-Hua Chen, Ebin Liao, Ku-Feng Yang, Tsang-Jiuh Wu, Wen-Chih Chiou
  • Patent number: 9847312
    Abstract: A package structure includes an encapsulant, an active component, a first lead frame segment, and a second lead frame segment. The active component is encapsulated within the encapsulant and includes first and second electrodes. The first and second electrodes are respectively disposed on and electrically connected to the first and second lead frame segments. The first and second lead frame segments respectively have first and second exposed surfaces. The first exposed surface and the first electrode are respectively located on opposite sides of the first lead frame segment. The second exposed surface and the second electrode are respectively located on opposite sides of the second lead frame segment. The first and second exposed surfaces are exposed outside the encapsulant. A minimal distance from the first electrode to the second electrode is less than a minimal distance from the first exposed surface to the second exposed surface.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: December 19, 2017
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Hsin-Chang Tsai, Peng-Hsin Lee
  • Patent number: 9837331
    Abstract: Disclosed is a semiconductor device having overlapped via apertures formed in an encapsulant to outwardly expose solder balls. When different types of semiconductor devices are electrically connected to the solder balls through the overlapped via apertures, flux or solder paste is unlikely to contact sidewall portions of the overlapped via apertures. Therefore, different types of semiconductor devices can be mounted with improved efficiency.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: December 5, 2017
    Assignee: AMKOR TECHNOLOGY, INC.
    Inventors: Jin Seong Kim, Dong Joo Park, Kwang Ho Kim, Hee Yeoul Yoo, Jeong Wung Jeong
  • Patent number: 9832871
    Abstract: A module having high reliability in terms of its connection to an external unit is provided. The module includes: a wiring substrate that mounts components and 3b thereon; a substrate electrode formed on one main surface of the wiring substrate; a columnar conductor connected at one end to the substrate electrode; an intermediate coating formed to cover an outer peripheral surface of the columnar conductor; and a first sealing resin layer provided to cover one main surface of the wiring substrate and the intermediate coating. The intermediate coating has a coefficient of linear expansion which is between that of the columnar conductor and that of the first sealing resin layer.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: November 28, 2017
    Assignee: MURATA MANUFACTURING CO, LTD.
    Inventors: Nobuaki Ogawa, Tadashi Nomura
  • Patent number: 9831160
    Abstract: A semiconductor device includes: opposed first and second metal plates; a plurality of semiconductor elements each interposed between the first metal plate and the second metal plate; a metal block interposed between the first metal plate and each of the semiconductor elements; a solder member interposed between the first metal plate and the metal block and connecting the first metal plate to the metal block; and a resin molding sealing the semiconductor elements and the metal block. A face of the first metal plate, which is on an opposite side of a face of the first metal plate to which the metal block is connected via the solder member, is exposed from the resin molding. The first metal plate has a groove formed along an outer periphery of a region in which the solder member is provided, the groove collectively surrounding the solder member.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: November 28, 2017
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Takuya Kadoguchi, Takahiro Hirano, Takanori Kawashima, Tomomi Okumura, Masayoshi Nishihata
  • Patent number: 9824925
    Abstract: Alignment marks on a semiconductor device surface are exposed and exposed surfaces cleaned after an obscuring coating is applied over the surface and marks. The surface can be an attachment surface of the device and can include C4 solder bumps of a flip-chip type device and the coating can include a wafer level underfill coating that is substantially optically opaque. Laser ablation, such as with a UV laser, can remove the coating while minimizing heat transfer to the device.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: November 21, 2017
    Assignee: International Business Machines Corporation
    Inventors: Mukta G. Farooq, Kevin S. Petrarca, Nicholas A. Polomoff, Katsuyuki Sakuma
  • Patent number: 9825004
    Abstract: A semiconductor device includes a package interface including N numbers of first group of data balls which are disposed on a first side thereof, N numbers of second group of data balls which are disposed on a second side thereof, and M numbers of command/address balls which are disposed between the first side and the second side; a first semiconductor chip which is stacked on the first side over the package interface, and includes 2N numbers of first group of data pads and M numbers of first command/address pads; and a second semiconductor chip which is stacked on the second side over the package interface, and includes 2N numbers of second group of data pads and M numbers of second command/address pads.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: November 21, 2017
    Assignee: SK Hynix Inc.
    Inventor: Ho-Don Jung
  • Patent number: 9818679
    Abstract: This invention provides a multi-pin semiconductor device as a low-cost flip-chip BGA. In the flip-chip BGA, a plurality of signal bonding electrodes in a peripheral area of the upper surface of a multilayer wiring substrate are separated into inner and outer ones and a plurality of signal through holes coupled to a plurality of signal wirings drawn inside are located between a plurality of rows of signal bonding electrodes and a central region where a plurality of bonding electrodes for core power supply are located so that the chip pad pitch can be decreased and the cost of the BGA can be reduced without an increase in the number of layers in the multilayer wiring substrate.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: November 14, 2017
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Shinji Baba, Toshihiro Iwasaki, Masaki Watanabe
  • Patent number: 9818724
    Abstract: The interposer-chip-arrangement comprises an interposer (1), metal layers arranged above a main surface (10), a further metal layer arranged above a further main surface (11) opposite the main surface, an electrically conductive interconnection (7) through the interposer, the interconnection connecting one of the metal layers and the further metal layer, a chip (12) arranged at the main surface or at the further main surface, the chip having a contact pad (15), which is electrically conductively connected with the interconnection, a dielectric layer (2) arranged above the main surface with the metal layers embedded in the dielectric layer, a further dielectric layer (3) arranged above the further main surface with the further metal layer embedded in the further dielectric layer, and an integrated circuit (25) in the interposer, the integrated circuit being connected with at least one of the metal layers (5).
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: November 14, 2017
    Assignee: AMS AG
    Inventors: Jochen Kraft, Martin Schrems, Franz Schrank
  • Patent number: 9818697
    Abstract: The present disclosure provides a manufacturing method of a semiconductor packaging, including forming a redistribution layer (RDL) on a carrier, defining an active portion and a dummy portion of the RDL, and placing a semiconductor die over the dummy portion of the RDL. The present disclosure also provides a manufacturing method of a package-on-package (PoP) semiconductor structure, including forming a first redistribution layer (RDL) on a polymer-based layer of a carrier, defining an active portion and a dummy portion of the first RDL, placing a semiconductor die over the dummy portion of the first RDL, a back side of the semiconductor die facing the first RDL, forming a second RDL over a front side of the semiconductor die, the front side having at least one contact pad, and attaching a semiconductor package at the back side of the semiconductor die.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: November 14, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Jing-Cheng Lin, Po-Hao Tsai, Ying Ching Shih, Szu Wei Lu
  • Patent number: 9806049
    Abstract: In the semiconductor device, a bump electrode which connects a semiconductor chip and a wiring board is made up of a first part surrounded by an insulating film and a second part exposed from the insulating film. Since it is possible to reduce a width of the bump electrode while increasing a height of the bump electrode, a distance between the neighboring bump electrodes can be increased, and a filling property of a sealing material can be improved.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: October 31, 2017
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Akira Yajima
  • Patent number: 9793120
    Abstract: According to one embodiment, a device substrate includes a multilayer film that includes a film constituting a device element and is disposed on a substrate. A main face on which the device element is disposed includes a patterning region on which a resist is to be applied during an imprint process, and a bevel region provided as a region from a peripheral edge portion of the patterning region to an end portion of the device substrate. The bevel region includes a region where an upper surface of the bevel region becomes lower toward the end portion of the device substrate relative to an upper surface of the patterning region. The upper surface of the bevel region has an inclination angle of 10° or more and 90° or less with respect to the upper surface of the patterning region, at a boundary between the patterning region and the bevel region.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: October 17, 2017
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Takahito Nishimura, Yoshihisa Kawamura, Kazuhiro Takahata, Ikuo Yoneda, Yoshiharu Ono
  • Patent number: 9793251
    Abstract: Disclosed herein is a semiconductor package in which a semiconductor chip and a mounting device are packaged together. The semiconductor package includes a semiconductor chip, a mounting block on which a first mounting device is mounted on a substrate that includes a circuit formed thereon, and an interconnection part configured to electrically connect the semiconductor chip to the mounting block.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: October 17, 2017
    Assignee: NEPES CO., LTD.
    Inventors: Jun-Kyu Lee, Yong-Tae Kwon
  • Patent number: 9786561
    Abstract: A wafer processing method for dividing a wafer into individual device chips along division lines is disclosed. The wafer processing method includes a back grinding step of grinding the back side of the wafer in the condition where a protective tape is attached to the front side of the wafer, thereby reducing the thickness of the wafer to a predetermined thickness, and a reinforcing insulation seal mounting step of mounting a reinforcing insulation seal capable of transmitting infrared light on the back side of the wafer. The wafer processing method further includes a modified layer forming step of applying a laser beam along each division line to thereby form a modified layer inside the wafer along each division line and a wafer dividing step of applying an external force to the wafer to thereby divide the wafer into the individual device chips along each division line.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: October 10, 2017
    Assignee: DISCO CORPORATION
    Inventors: Yohei Yamashita, Kenji Furuta, Yihui Lee
  • Patent number: 9786623
    Abstract: A PoP semiconductor device has a top semiconductor package disposed over a bottom semiconductor package. The top semiconductor package has a substrate and a first semiconductor die disposed over the substrate. First and second encapsulants are deposited over the first semiconductor die and substrate. A first build-up interconnect structure is formed over the substrate after depositing the second encapsulant. The top package is disposed over the bottom package. The bottom package has a second semiconductor die and modular interconnect units disposed around the second semiconductor die. A second build-up interconnect structure is formed over the second semiconductor die and modular interconnect unit. The modular interconnect units include a plurality of conductive vias and a plurality of contact pads electrically connected to the conductive vias. The I/O pattern of the build-up interconnect structure on the top semiconductor package is designed to coincide with the I/O pattern of the modular interconnect units.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: October 10, 2017
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventor: Yaojian Lin
  • Patent number: 9773746
    Abstract: An electronic element for an electronic apparatus includes a substrate; a bump, disposed on the substrate for electrically connecting the electronic apparatus; and at least one under bump metal layer, disposed between the bump and the substrate for the bump to be attached to the substrate; wherein the UBM layer forms a breach structure.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: September 26, 2017
    Assignee: Sitronix Technology Corp.
    Inventors: Kuo-Wei Tseng, Po-Chi Chen
  • Patent number: 9768155
    Abstract: A semiconductor device has an encapsulant deposited over a first surface of the semiconductor die and around the semiconductor die. A first insulating layer is formed over a second surface of the semiconductor die opposite the first surface. A conductive layer is formed over the first insulating layer. An interconnect structure is formed through the encapsulant outside a footprint of the semiconductor die and electrically connected to the conductive layer. The first insulating layer includes an optically transparent or translucent material. The semiconductor die includes a sensor configured to receive an external stimulus passing through the first insulating layer. A second insulating layer is formed over the first surface of the semiconductor die. A conductive via is formed through the first insulating layer outside a footprint of the semiconductor die. A plurality of stacked semiconductor devices is electrically connected through the interconnect structure.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: September 19, 2017
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Kang Chen, Seung Wook Yoon
  • Patent number: 9761555
    Abstract: A manufacturing method of a passive component structure includes the following steps. A protection layer is formed on a substrate, and bond pads of the substrate are respectively exposed through protection layer openings. A conductive layer is formed on the bond pads and the protection layer. A patterned photoresist layer is formed on the conductive layer, and the conductive layer adjacent to the protection layer openings is exposed through photoresist layer openings. Copper bumps are respectively electroplated on the conductive layer. The photoresist layer and the conductive layer not covered by the copper bumps are removed. A passivation layer is formed on the copper bumps and the protection layer, and at least one of the copper bumps is exposed through a passivation layer opening. A diffusion barrier layer and an oxidation barrier layer are chemically plated in sequence on the copper bump.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: September 12, 2017
    Assignee: XINTEC INC.
    Inventors: Jiun-Yen Lai, Yu-Wen Hu, Bai-Yao Lou, Chia-Sheng Lin, Yen-Shih Ho, Hsin Kuan
  • Patent number: 9754900
    Abstract: A thermosetting adhesive sheet comprises a thermosetting binder, a transparent filler having an average primary particle diameter from 1 nm to 1000 nm and a colorant; wherein content of the transparent filler is from 30 to 100 pts. mass with respect to 80 pts. mass of the thermosetting binder and content of the colorant is from 0.5 to 3.0 pts. mass with respect to 80 pts. mass of the thermosetting binder; this thermosetting adhesive sheet is applied to a grinding-side surface of a semiconductor wafer and before dicing the semiconductor wafer. Printing using laser marking is thus made clear enabling excellent laser mark visibility and accurate alignment using infrared light.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: September 5, 2017
    Assignee: DEXERIALS CORPORATION
    Inventor: Daichi Mori
  • Patent number: 9748158
    Abstract: A liquid sealing material which has excellent PCT (pressure cooker test) resistance, and an electronic component which is obtained by sealing a part to be sealed with use of the liquid sealing material. A liquid sealing material contains (A) a liquid epoxy resin, (B) a curing agent, (C) a silica filler and (D) a coupling agent, and the boron content in the silica filler (C) has an average of 1-50 ppm.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: August 29, 2017
    Assignee: NAMICS CORPORATION
    Inventors: Seiichi Ishikawa, Haruyuki Yoshii, Kazuyuki Kohara
  • Patent number: 9728517
    Abstract: A semiconductor device includes a substrate, a pad disposed on the substrate, a passivation disposed over the substrate, a post passivation interconnection (PPI) disposed over the passivation and the substrate, a conductive line isolated from the PPI, a bump disposed on the PPI and a polymeric composite between the PPI and the conductive line, wherein the polymeric composite includes a first layer conformal to the conductive line and PPI and a second layer filling a gap between the PPI and the conductive line. Further, a method of manufacturing a semiconductor device includes providing a substrate, disposing a passivation over the substrate, forming a post passivation interconnect (PPI) and a conductive line over the passivation, disposing a bump on the PPI, and forming a polymeric composite over the PPI by disposing a first layer conformal to the PPI and the conductive line and disposing a second layer to fill a gap between the PPI and the conductive line.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: August 8, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Jie Chen, Hsien-Wei Chen
  • Patent number: 9723725
    Abstract: In an example embodiment, a circuit interconnect includes a first printed circuit board (PCB), a second PCB, a spacer, and an electrically conductive solder joint. The first PCB includes a first electrically conductive pad. The second PCB includes a second electrically conductive pad. The spacer is configured to position the first PCB relative to the second PCB such that a space remains between the first PCB and the second PCB after the first electrically conductive pad and the second electrically conductive pad are conductively connected in a soldering process. The electrically conductive solder joint conductively connects the first electrically conductive pad and the second electrically conductive pad.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: August 1, 2017
    Assignee: FINISAR CORPORATION
    Inventor: Wei Shi
  • Patent number: 9718673
    Abstract: A component which can be produced at wafer level has a first chip and a second chip connected thereto. The connection is (at least partially) established via a first and a second connecting structure and a first and a second contact structure of the second chip. An adaptation structure between the first chip and the first connecting structure equalizes a height difference between the first and the second contact structure.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: August 1, 2017
    Assignee: TDK Corporation
    Inventor: Wolfgang Pahl
  • Patent number: 9691675
    Abstract: A method for forming an electrical device includes attaching a semiconductor die on a carrier. The method further includes dispensing a fillet material at at least one edge of the semiconductor die arranged on the carrier. The method further includes dispensing an underfill material into a gap between the semiconductor die and the carrier after dispensing the fillet material.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: June 27, 2017
    Assignee: Intel Corporation
    Inventors: Robert F Cheney, Ashish Dhall, Suriyakala Ramalingam
  • Patent number: 9688818
    Abstract: Poly(ether sulfones) (PES) and poly(ether amide sulfones) (PEAS) were prepared from post-consumer polycarbonates and polyesters, respectively, using a single vessel in batch mode (all reactants present when heating was initiated). The depolymerization of the initial polymer occurs concurrently with step growth polymerization to form a product polymer having a number average molecular weight of at least 5000.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: June 27, 2017
    Assignee: International Business Machines Corporation
    Inventors: Krishna M. Bajjuri, Jeannette M. Garcia, James L. Hedrick
  • Patent number: 9679797
    Abstract: The present invention is to provide a dicing-tape integrated film for the backside of a semiconductor that is capable of suppressing the transfer of the coloring agent contained in a film for the backside of a flip-chip semiconductor formed on the pressure-sensitive adhesive layer of the dicing tape onto the dicing tape. The dicing-tape integrated film for the backside of a semiconductor has a dicing tape having a substrate and a pressure-sensitive adhesive layer formed on the substrate and a film for the backside of a flip-chip semiconductor formed on the pressure-sensitive adhesive layer of the dicing tape, the film for the backside of a flip-chip semiconductor contains a coloring agent, and the solubility of the coloring agent to toluene at 23° C. is 2 g/100 ml or less.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: June 13, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Naohide Takamoto, Hiroyuki Hanazono, Akihiro Fukui
  • Patent number: 9676612
    Abstract: A component which can be produced at wafer level has a first chip and a second chip connected thereto. The connection is (at least partially) established via a first and a second connecting structure and a first and a second contact structure of the second chip. An adaptation structure between the first chip and the first connecting structure equalizes a height difference between the first and the second contact structure.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: June 13, 2017
    Assignee: TDK Corporation
    Inventor: Wolfgang Pahl
  • Patent number: 9679875
    Abstract: A method of forming a reduced volume interconnect for a chip stack including multiple silicon layers, the method including: forming multiple conductive structures, each of at least a subset of the conductive structures having a volume of conductive material for a corresponding under bump metallurgy pad onto which the conductive structure is transferred that is configured such that a ratio of an unreflowed diameter of the conductive structure to a diameter of the corresponding pad is about one third-to-one or less; transferring the conductive structures to the silicon layers; stacking the silicon layers in a substantially vertical dimension such that each of the conductive structures on a given silicon layer is aligned with a corresponding electrical contact location on an underside of an adjacent silicon layer; and heating the interconnect so as to metallurgically bond multiple electrical contact locations of adjacent silicon layers.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: June 13, 2017
    Assignee: International Business Machines Corporation
    Inventors: Peter A. Gruber, Katsuyuki Sakuma, Da-Yuan Shih
  • Patent number: 9673181
    Abstract: Various embodiments of mechanisms for forming through package vias (TPVs) with multiple conductive layers and/or recesses in a die package and a package on package (PoP) device with bonding structures utilizing the TPVs are provided. One of the multiple conductive layers acts as a protective layer of the main conductive layer of the TPVs. The protective layer is less likely to oxidize and also has a slower formation rate of intermetallic compound (IMC) when exposed to solder. The recesses in TPVs of a die package are filled by solder from the other die package and the IMC layer formed is below the surface of TPVs, which strengthen the bonding structures.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: June 6, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jing-Cheng Lin, Jui-Pin Hung, Po-Hao Tsai
  • Patent number: 9666552
    Abstract: A semiconductor device connected by an anisotropic conductive film, the anisotropic conductive film including a polyurethane resin; at least one other resin selected from the group of an ethylene-vinyl acetate copolymer resin, an acrylonitrile resin, and a styrene resin; isobornyl acrylate; and conductive particles.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: May 30, 2017
    Assignee: CHEIL INDUSTRIES, INC.
    Inventors: Young Ju Shin, Kyu Bong Kim, Hyun Joo Seo, Kyoung Hun Shin, Woo Jun Lim
  • Patent number: 9659883
    Abstract: The present invention provides a thermally curable resin sheet for sealing a semiconductor chip having excellent reliability and storability while being reduced in warpage deformation due to the volume shrinkage of the thermally curable resin sheet, and a method for manufacturing a semiconductor package. The present invention relates to a thermally curable resin sheet for sealing a semiconductor chip, wherein an activation energy (Ea) satisfies the following formula (1), a glass transition temperature of a product thermally cured at 150° C. for 1 hour is 125° C. or higher, and a thermal expansion coefficient ? [ppm/K] of the thermally cured product at the glass transition temperature or lower and a storage modulus E? [GPa] at 25° C. of the thermally cured product satisfy the following formula (2): 30?Ea?120 [kJ/mol]??(1); and 10,000??×E??300,000 [Pa/K]??(2).
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: May 23, 2017
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kosuke Morita, Tsuyoshi Ishizaka, Eiji Toyoda, Goji Shiga, Chie Iino, Jun Ishii
  • Patent number: 9659908
    Abstract: Discussed generally herein are methods and devices for more reliable Package on Package (PoP) Through Mold Interconnects (TMIs). A device can include a first die package including a first conductive pad on or at least partially in the first die package, a dielectric mold material on the first die package, the mold material including a hole therethrough at least partially exposing the pad, a second die package including a second conductive pad on or at least partially in the second die package the second die package on the mold material such that the second conductive pad faces the first conductive pad through the hole, and a shape memory structure in the hole and forming a portion of a solder column electrical connection between the first die package and the second die package.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: May 23, 2017
    Assignee: Intel Corporation
    Inventors: Shubhada H. Sahasrabudhe, Sandeep B Sane, Siddarth Kumar, Shalabh Tandon
  • Patent number: 9659893
    Abstract: The invention provides a semiconductor package. The semiconductor package includes a substrate. A first conductive trace is disposed on the substrate. A first conductive trace disposed on the substrate. A semiconductor die is disposed over the first conductive trace. A solder resist layer that extends across an edge of the semiconductor die is also included. Finally, a molding compound is provided that is formed over the substrate and covers the first conductive trace and the semiconductor die.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: May 23, 2017
    Assignee: MEDIATEK INC.
    Inventors: Tzu-Hung Lin, Ching-Liou Huang, Thomas Matthew Gregorich
  • Patent number: 9653373
    Abstract: A semiconductor package includes a semiconductor chip on a package substrate, a heat spreader on the semiconductor chip, a molding layer, an adhesive film between the semiconductor chip and the heat spreader, and a through-hole passing through the heat spreader. The heat spreader includes a first surface and a second surface. The molding layer covers sidewalls of the semiconductor chip and the heat spreader and exposes the first surface of the heat spreader. The adhesive film is on the second surface of the heat spreader.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: May 16, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae Choon Kim, Heejung Hwang, Eon Soo Jang
  • Patent number: 9653423
    Abstract: An embodiment is an integrated circuit structure including a first die having a bump structure, and a second die having a pad structure. The first die is attached to the second die by bonding the bump structure and the pad structure. The bump structure includes a metal pillar, a metal cap layer on the metal pillar, a metal insertion layer on the metal cap layer, and a solder layer on the metal insertion layer. The pad structure includes at least one of a nickel (Ni) layer, a palladium (Pd) layer or a gold (Au) layer.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: May 16, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jing-Cheng Lin, Cheng-Lin Huang
  • Patent number: 9647188
    Abstract: In accordance with certain embodiments, semiconductor dies are at least partially coated with a conductive adhesive prior to singulation and subsequently bonded to a substrate having electrical traces thereon.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: May 9, 2017
    Assignee: COOLEDGE LIGHTING INC.
    Inventor: Michael A. Tischler
  • Patent number: 9646917
    Abstract: A component such as an interposer or microelectronic element can be fabricated with a set of vertically extending interconnects of wire bond structure. Such method may include forming a structure having wire bonds extending in an axial direction within one of more openings in an element and each wire bond spaced at least partially apart from a wall of the opening within which it extends, the element consisting essentially of a material having a coefficient of thermal expansion (“CTE”) of less than 10 parts per million per degree Celsius (“ppm/° C.”). First contacts can then be provided at a first surface of the component and second contacts provided at a second surface of the component facing in a direction opposite from the first surface, the first contacts electrically coupled with the second contacts through the wire bonds.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: May 9, 2017
    Assignee: Invensas Corporation
    Inventors: Rajesh Katkar, Cyprian Emeka Uzoh
  • Patent number: 9648729
    Abstract: A stress reduction interposer is provided for disposition between first and second solder materials of first and second electronic devices, respectively. The stress reduction interposer includes a plate element having a central portion and a periphery surrounding the central portion and being formed to define first cavities having an upper area limit at the periphery and a second cavity having a lower area limit, which is higher than the upper area limit, at the central portion and third and fourth solder materials being disposable in the second cavity and in the first cavities, respectively, to be electrically communicative with the first and second solder materials. The third solder material is more compliant and has a higher melting temperature than at least the second and fourth solder materials.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: May 9, 2017
    Assignee: RAYTHEON COMPANY
    Inventors: Tse E. Wong, Shea Chen, Hoyoung C. Choe
  • Patent number: 9640459
    Abstract: A semiconductor device includes a leadframe and a semiconductor chip including a contact. The contact faces the leadframe and is electrically coupled to the leadframe via solder. The semiconductor device includes a solder barrier adjacent to the first contact and an edge of the chip.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: May 2, 2017
    Assignee: Infineon Technologies AG
    Inventors: Wee Boon Tay, Kuan Ching Woo, Paul Armand Calo
  • Patent number: 9627477
    Abstract: A semiconductor device includes a semiconductor substrate, an element isolating trench structure that includes an element isolating trench formed in one main surface of the semiconductor substrate, an insulating material that is formed within the element isolating trench, element formation regions that are surrounded by the element isolating trench, and semiconductor elements that are respectively formed in the element formation regions. The element isolating trench includes first element isolating trenches extending in a first direction, second element isolating trenches extending in a second direction that are at a right angle to the first direction, and third element isolating trenches extending in a third direction inclined at an angle ? (0°<?<90°) from the first direction.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: April 18, 2017
    Assignee: LAPIS SEMICONDUCTOR CO., LTD.
    Inventors: Takao Kaji, Katsuhito Sasaki, Takaaki Kodaira, Yuuki Doi, Minako Oritsu
  • Patent number: 9622347
    Abstract: A wiring substrate includes a first multi-layer wiring layer having a stacked via structure including a first electrode pad, a second multi-layer wiring layer having a non-stacked via structure including a second electrode pad. The second electrode pad is formed on an uppermost first insulating layer. The first electrode pad is formed on a second insulating layer which is located to a position lower by one layer than the first insulating layer, and the first electrode pad is arranged in an opening portion of the first insulating layer such that the upper face and the side face of the first electrode pad are exposed.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: April 11, 2017
    Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Kiyoshi Oi, Takashi Kurihara
  • Patent number: 9620434
    Abstract: A method of bonding a first substrate to a second substrate includes disposing a first high melting point metal layer onto a first substrate, disposing a first low melting point metal layer onto the first high melting point metal layer, disposing a second high melting point metal layer onto a second substrate, and disposing a second low melting point metal layer onto the second high melting point metal layer. The method further includes applying precursor metal particles onto the first and/or second low melting point metal layers, positioning the first and second low melting point metal layers such that the precursor metal particles contact both the first and second low melting point metal layers, and bonding the first substrate to the second substrate by heating the precursor metal particles and each metal layer to form an intermetallic alloy bonding layer between the first and second substrates.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: April 11, 2017
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Shailesh N. Joshi, Masao Noguchi
  • Patent number: 9613921
    Abstract: A spacer structure formed adjacent a solder connection which prevents solder extrusion and methods of manufacture are disclosed. The method includes forming a solder preform connection on a bond pad of a chip. The method further includes forming a spacer structure on sidewalls of the solder preform connection. The method further includes subjecting the solder preform connection to a predetermined temperature to form a solder connection with the spacer structure remaining thereabout.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: April 4, 2017
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Timothy H. Daubenspeck, Jeffrey P. Gambino, Christopher D. Muzzy, Wolfgang Sauter, Timothy D. Sullivan