Specifically Adapted To Facilitate Heat Dissipation (epo) Patents (Class 257/E23.051)
  • Publication number: 20130285220
    Abstract: A device comprises a semiconductor package including a first integrated circuit (IC) die including a plurality of through silicon vias (TSVs). The TSVs are formed of conductive material that extend through the first IC die from an outer surface on a first side of the die to an outer surface of a second side of the die. The package further includes first electrical connections contacting the first side of the first IC die, and second electrical connections contacting the second side of the first IC die. The first electrical connections are independent of the second electrical connections. Molding compound encapsulates the first IC die and the first and second electrical connections. The semiconductor package is mounted on a substrate so that the first and second sides of the IC die are oriented perpendicular to the substrate.
    Type: Application
    Filed: April 27, 2012
    Publication date: October 31, 2013
    Inventor: CHRISTOPHER W. ARGENTO
  • Publication number: 20130270683
    Abstract: Semiconductor packages including a die pad, at least one connecting bar, at least one supporting portion, a plurality of leads, a semiconductor chip, a heat sink and a molding compound. The connecting bar connects the die pad and the supporting portion. The leads are electrically isolated from each other and the die pad. The semiconductor chip is disposed on the die pad and electrically connected to the leads. The heat sink is supported by the supporting portion. The molding compound encapsulates the semiconductor chip and the heat sink. Heat from the semiconductor chip is efficiently dissipated from the die pad through the connecting bar, through the supporting portion, and through the heat sink.
    Type: Application
    Filed: April 16, 2012
    Publication date: October 17, 2013
    Inventor: Fu-Yung Tsai
  • Patent number: 8536687
    Abstract: A technology with which the reliability of a package making up a semiconductor device can be enhanced is provided. A feature of the technical idea of the invention is that: a heat sink unit and an outer lead unit are separated from each other: and the outer lead unit is provided with chip placement portions and each of the chip placement portions and each heat sink are joined together. As a result, when a sealing body is formed at a resin sealing step, tying portions function as a stopper for preventing resin leakage and the formation of resin burr in a package product can be thereby prevented. In addition, camber does not occur in the heat sink unit and cracking in a sealing body caused by winding (camber) can be suppressed.
    Type: Grant
    Filed: January 9, 2012
    Date of Patent: September 17, 2013
    Assignee: Renesas Electronics Corporation
    Inventor: Toshiyuki Hata
  • Publication number: 20130221506
    Abstract: One implementation of present disclosure includes a semiconductor package stack. The semiconductor package stack includes an upper package coupled to a lower package by a plurality of solder balls. The semiconductor package stack also includes a lower active die situated in a lower package substrate in the lower package. The lower active die is thermally coupled to a heat spreader in the upper package by a thermal interface material. An upper active die is situated in an upper package substrate in the upper package, the upper package substrate being situated over the heat spreader. The thermal interface material can include an array of aligned carbon nanotubes within a filler material. The heat spreader can include at least one layer of metal or metal alloy. Furthermore, the heat spreader can be connected to ground or a DC voltage source. The plurality of solder balls can be situated under the heat spreader.
    Type: Application
    Filed: February 24, 2012
    Publication date: August 29, 2013
    Applicant: BROADCOM CORPORATION
    Inventors: Sam Ziqun Zhao, Rezaur Rahman Khan, Kevin Kunzhong Hu, Sampath K. V. Karikalan, Pieter Vorenkamp, Xiangdong Chen
  • Publication number: 20130181332
    Abstract: Embodiments of a leadframe for a device packaging are used not only for structural support and connectivity to the I/O pins to the external world, but also for housing and/or mounting devices above and below the leadframe. Being electrically conductive, the leadframe also serves as a low resistance interconnect and good current carrier between the bondpads on one device or between the bondpads on different devices above and/or below the leadframe.
    Type: Application
    Filed: September 12, 2012
    Publication date: July 18, 2013
    Applicant: INTERSIL AMERICAS LLC
    Inventors: Nikhil Vishwanath Kelkar, Kai Liu
  • Patent number: 8487426
    Abstract: A semiconductor package includes a conductive base, a die disposed adjacent to an upper surface of the conductive base, a patterned conductive layer, and a dielectric layer encapsulating the die. The dielectric layer defines an opening through which the patterned conductive layer is electrically connected to the upper surface of the conductive base. The conductive base has a lateral surface including a first portion adjacent to the upper surface of the conductive base and a second portion adjacent to a lower surface of the conductive base, where the second portion is sloped inwardly with respect to the lower surface of the conductive base.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: July 16, 2013
    Assignee: Advanced Semiconductor Engineering, Inc.
    Inventors: Kay Stephan Essig, Bernd Karl Appelt, Ming Chiang Lee
  • Patent number: 8482109
    Abstract: A method of manufacture of an integrated circuit packaging system includes: forming a peripheral lead having a peripheral contact layer surrounding the peripheral lead with a non-horizontal side exposed from the peripheral contact layer; forming an inner lead and a paddle non-planar with the peripheral lead; mounting an integrated circuit to the paddle; and forming an encapsulation covering the integrated circuit and exposing the inner lead, the paddle, and the non-horizontal side.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: July 9, 2013
    Assignee: Stats Chippac Ltd.
    Inventors: Zigmund Ramirez Camacho, Henry Descalzo Bathan, Emmanuel Espiritu
  • Patent number: 8476756
    Abstract: A semiconductor device includes a semiconductor element having a rectangular two-dimensional geometry and serving as a heat source, a first heat sink section including the semiconductor element mounted thereon, and a second heat sink section joined to an opposite side of the first heat sink section that includes the semiconductor element. A relation among directional components of thermal conductivity is K1yy?K1xx>K1zz, where directional components of a three-dimensional thermal conductivity of the heat sink section in X, Y, and Z directions are determined as Kxx, Kyy, and Kzz. A relation among directional components of a thermal conductivity of the second heat sink section is K2zz?K2yy>K2xx or K2yy?K2zz>K2xx, where the directional components of the thermal conductivity of the second heat sink section in X, Y, and X directions are determined as K2xx, K2yy, and K2zz.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: July 2, 2013
    Assignee: NEC Corporation
    Inventors: Naotaka Kuroda, Akio Wakejima, Masahiro Tanomura, Hironobu Miyamoto
  • Publication number: 20130154069
    Abstract: Disclosed herein is a semiconductor package, including: a first heat dissipation substrate; a first lead frame that is formed on the first heat dissipation substrate by patterning; a first semiconductor device formed on the first lead frame; a second semiconductor device that is stacked on the first semiconductor device; a second lead frame that is patterned and bonded to the second semiconductor device; and a second heat dissipation substrate formed on the first lead frame.
    Type: Application
    Filed: August 13, 2012
    Publication date: June 20, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Hoon Kim, Seog Moon Choi
  • Publication number: 20130154070
    Abstract: Disclosed herein is a semiconductor package. The semiconductor package includes: semiconductor elements, a first heat dissipation substrate formed under the semiconductor elements, a first lead frame electrically connecting the lower portions of the semiconductor elements to an upper portion of the first heat dissipation substrate, a second heat dissipation substrate formed over the semiconductor elements, and a second lead frame having a protrusion formed to be protruded from a lower surface thereof and electrically connecting the upper portions of the semiconductor elements to a lower portion of the second heat dissipation substrate.
    Type: Application
    Filed: August 13, 2012
    Publication date: June 20, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Hoon Kim, Seog Moon Choi
  • Patent number: 8466561
    Abstract: A semiconductor module includes a power semiconductor chip and a passive discrete component. The semiconductor chip includes on its top side and/or on the back side a large-area contact, which in its two-dimensional extent takes up the top side and/or the back side of the semiconductor chip virtually completely. The passive component, arranged in a package, is stacked on one of the large-area contacts. The electrode of the passive component is electrically connected with one of the large-area contacts. The counter electrode of the passive component is operatively connected with a control or signal electrode of the power semiconductor chip or an electrode of a further semiconductor chip.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: June 18, 2013
    Assignee: Infineon Technologies AG
    Inventor: Ralf Otremba
  • Patent number: 8466548
    Abstract: A semiconductor device includes a substrate including a first metal layer, a first semiconductor chip having sidewalls, and a first solder layer contacting the first semiconductor chip and the first metal layer. The first metal layer includes a groove extending around sidewalls of the first semiconductor chip. The groove is at least partly filled with excess solder from the first solder layer.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: June 18, 2013
    Assignee: Infineon Technologies AG
    Inventors: Reinhold Bayerer, Niels Oeschler, Alexander Ciliox
  • Patent number: 8455987
    Abstract: A packaged power semiconductor device is provided with voltage isolation between a metal backside and terminals of the device. The packaged power semiconductor device is arranged in an encapsulant defining a hole for receiving a structure for physically coupling the device to an object. A direct-bonded copper (“DBC”) substrate is used to provide electrical isolation and improved thermal transfer from the device to a heatsink. At least one power semiconductor die is mounted to a first metal layer of the DBC substrate. The first metal layer spreads heat generated by the semiconductor die. In one embodiment, the packaged power semiconductor device conforms to a TO-247 outline and is capable of receiving a screw for physically coupling the device to a heatsink.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: June 4, 2013
    Assignee: IXYS Corporation
    Inventors: Thomas Spann, Holger Ostmann, Kang Rim Choi
  • Patent number: 8441110
    Abstract: A semiconductor package which includes a generally planar die paddle defining multiple peripheral edge segments and a plurality of leads which are segregated into at least two concentric rows. Connected to the top surface of the die paddle is at least one semiconductor die which is electrically connected to at least some of the leads of each row. At least portions of the die paddle, the leads, and the semiconductor die are encapsulated by a package body, the bottom surfaces of the die paddle and the leads of at least one row thereof being exposed in a common exterior surface of the package body.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: May 14, 2013
    Assignee: Amkor Technology, Inc.
    Inventor: Yeon Ho Choi
  • Publication number: 20130113090
    Abstract: In order to prevent an increase in temperature of a discharge resistance discharging an electric charge accumulated in a smoothing capacitor, the present description discloses a power module. The power module has a first lead frame, a second lead frame, first and second semiconductor switches connected in series between the first lead frame and the second lead frame, a resistor connected between the first lead frame and the second lead frame, and a resin package that encapsulates the first lead frame, the second lead frame, the first semiconductor switch, the second semiconductor switch, and the resistor. In this power module, a radiator portion for radiating heat from the first lead frame and/or the second lead frame is formed in at least a part of the package.
    Type: Application
    Filed: July 6, 2012
    Publication date: May 9, 2013
    Inventor: Takashi Atsumi
  • Publication number: 20130105954
    Abstract: Disclosed herein is a semiconductor package, including: a substrate having a first surface and a second surface; at least one semiconductor device formed on the first surface of the substrate; first lead frames respectively formed at both sides of the first surface of the substrate; and second lead frames respectively formed at both sides of the second surface of the substrate, wherein the first lead frame and the second lead frame are spaced apart from each other by an isolation distance base.
    Type: Application
    Filed: January 17, 2012
    Publication date: May 2, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Hyun Lim, Chang Jae Heo, Young Ki Lee, Sung Keun Park
  • Publication number: 20130087899
    Abstract: Diode cell modules for use within photovoltaic systems, including lead frames including first leads extending from the first outlet terminal, second leads spaced from the first leads, second outlet terminals extending from the second leads, and diodes. In some examples, first leads define base portions connected to the first outlet terminal and diode portions extending from the base portions transverse to the first outlet terminal. In some examples, second leads may define a base portion and diode portions extending from the base portion substantially parallel to the diode portion of the first lead. In some examples, diodes may be in electrical contact with the diode portion of the first lead and with the diode portion of the second lead. In some examples, the first leads and second leads may be thermally conductive. In some examples, diodes may define die interfaces that are substantially fully engaged with diode portions of leads.
    Type: Application
    Filed: September 20, 2012
    Publication date: April 11, 2013
    Inventor: Joe Lin
  • Patent number: 8410602
    Abstract: In one embodiment, the present invention includes a socket for a semiconductor package, where the socket has a frame with a segmented design, where socket streets are located between the segments. One or more of the streets may include a conduit to enable thermal transfer during operation of the semiconductor package. Other embodiments are described and claimed.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: April 2, 2013
    Assignee: Intel Corporation
    Inventors: Venkat Natarajan, Arun Chandrasekhar, Pr Patel, Vittal Kini
  • Patent number: 8405194
    Abstract: A semiconductor device includes a semiconductor element, a first heat sink, a second heat sink, and a resin member. The semiconductor element has first and second surfaces. The first heat sink has a first heat radiation surface and a first end surface. The first end surface is coupled with the first surface. The second heat sink has a second heat radiation surface, the second end surface being opposite the second heat radiation surface, and a depressed section depressed toward the second heat radiation surface. The second surface of the semiconductor element is coupled with a bottom surface of the depressed section. The resin member is disposed in the depressed section and seals the semiconductor element, the first heat sink, and the second heat sink in such a manner that the first heat radiation surface is exposed outside the resin member.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: March 26, 2013
    Assignee: Denso Corporation
    Inventors: Masayoshi Nishihata, Yasushi Ookura
  • Patent number: 8399301
    Abstract: A structure of an integrated circuit module includes a wiring board, a plurality of integrated circuits and at least one terminating resistance circuit. The wiring board has a mounting region on at least one surface thereof. The plurality of integrated circuits are mounted in the mounting region of the wiring board and spaced from one another in a first direction. The at least one terminating resistance circuit is arranged between at least two adjacent integrated circuits, and coupled to an output of a last of the plurality of integrated circuits.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: March 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Joo Park, Ki-Hyun Ko, Young Yun, Soo-Kyung Kim
  • Publication number: 20130062745
    Abstract: A semiconductor device includes a plurality of die pad sections, a plurality of semiconductor chips, each of which is arranged in each of the die pad sections, a resin encapsulation portion having a recess portion for exposing at least a portion of the die pad sections, the resin encapsulation portion configured to cover the die pad sections and the semiconductor chips, and a heat radiation layer arranged in the recess portion. The heat radiation layer includes an elastic layer exposed toward a direction in which the recess portion is opened. The heat radiation layer directly faces at least a portion of the die pad sections. The elastic layer overlaps with at least a portion of the die pad sections when seen in a thickness direction of the heat radiation layer.
    Type: Application
    Filed: September 7, 2012
    Publication date: March 14, 2013
    Applicant: ROHM CO., LTD.
    Inventor: Akihiro KIMURA
  • Patent number: 8395255
    Abstract: A semiconductor device includes: a cooling function component including an active region made of an impurity region and formed on a surface of a semiconductor layer, an N-type gate made of a semiconductor including an N-type impurity, a P-type gate made of a semiconductor including a P-type impurity, a first metal wiring connected to the N-type gate, the P-type gate and the active region, a second metal wiring connected to the P-type gate and the N-type gate, and a heat releasing portion connected to the second metal wiring for releasing heat to the outside.
    Type: Grant
    Filed: January 5, 2011
    Date of Patent: March 12, 2013
    Assignee: Sony Corporation
    Inventor: Rui Morimoto
  • Patent number: 8394675
    Abstract: A method of manufacturing an LED package includes mounting a large panel frame/substrate (LPF/S) having a substantially square shape to a ring. The LPF/S includes a plurality of die pads and a corresponding plurality of leads arranged in a matrix pattern. Each of the die pads includes a planar chip attach surface. An LED chip is attached to the planar chip attach surface of each of the die pads. An encapsulant material is applied overlaying the LED chips and at least a part of the LPF/S. Each die pad and corresponding leads are separated from the LPF/S to form individual LED packages. The steps of attaching the LED chips and applying the encapsulant material are performed while the LPF/S is mounted to the ring.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: March 12, 2013
    Assignee: Carsem (M) Sdn. Bhd.
    Inventors: Yong Lam Wai, Chan Boon Meng, Phang Hon Keat
  • Publication number: 20130056862
    Abstract: A semiconductor device has a substrate including a recess and a peripheral portion with through conductive vias. A first semiconductor die is mounted over the substrate and within the recess. A planar heat spreader is mounted over the substrate and over the first semiconductor die. The planar heat spreader has openings around a center portion of the planar heat spreader and aligned over the peripheral portion of the substrate. A second semiconductor die is mounted over the center portion of the planar heat spreader. A third semiconductor die is mounted over the second semiconductor die. First and second pluralities of bond wires extend from the second and third semiconductor die, respectively, through the openings in the planar heat spreader to electrically connect to the through conductive vias. An encapsulant is deposited over the substrate and around the planar heat spreader.
    Type: Application
    Filed: September 7, 2011
    Publication date: March 7, 2013
    Applicant: STATS CHIPPAC, LTD.
    Inventors: OhHan Kim, WonJun Ko, DaeSik Choi
  • Publication number: 20130045572
    Abstract: In one aspect of the invention, an integrated circuit package is described. The integrated circuit package includes a substrate formed from a dielectric material that includes multiple electrical contacts and conductive paths. An upper lead frame is attached with and underlies the substrate. The upper lead frame is electrically connected with at least one of the contacts on the substrate. The active surface of an integrated circuit die is electrically and physically coupled to the upper lead frame through multiple electrical connectors. A lower lead frame may be attached with the back surface of the integrated circuit die. A passive device is positioned on and electrically connected with one of the contacts on the substrate and/or the upper lead frame.
    Type: Application
    Filed: August 15, 2011
    Publication date: February 21, 2013
    Applicant: NATIONAL SEMICONDUCTOR CORPORATION
    Inventors: Lee Han Meng @ Eugene Lee, Yien Sien Khoo, Kuan Yee Woo
  • Patent number: 8368203
    Abstract: A semiconductor package includes a metal plate, a power element, a lead frame having a die pad, a resin sheet having insulation properties, a control circuit that controls the power element, and a mold resin. The power element is mounted on the die pad, and the die pad is mounted on the metal plate via the resin sheet. The resin sheet is expanded including at least a lower surface of the die pad while the lower surface of the resin sheet is smaller than an surface of the metal plate, and the control circuit is arranged in a region on the metal plate, which region is other than the region where the power element is arranged.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: February 5, 2013
    Assignee: Denso Corporation
    Inventors: Takatoshi Inokuchi, Tadatoshi Asada
  • Patent number: 8368205
    Abstract: A method for the assembly of a semiconductor package that includes cleaning a surface of a chip and a surface of a heat removal device by reverse sputtering is given. The method includes sequentially coating the surface of the chip and the surface of the heat removal device with an adhesive layer, a barrier layer, and a protective layer over a target joining area. The chip and the heat removal device are placed into carrier fixtures and preheated to a target temperature. Then a metallic thermal interface material (TIM) preform is mechanically rolled onto the surface of the chip and the first and the second carrier fixtures are attached together such that the metallic TIM layer on the surface of the chip is joined to the coated surface of the heat removal device through a fluxless process. The method includes heating the joined carrier fixtures in a reflow oven.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: February 5, 2013
    Assignee: Oracle America, Inc.
    Inventors: Seshasayee Ankireddi, Vadim Gektin, James A. Jones, Margaret B. Stern
  • Publication number: 20130026616
    Abstract: The present invention relates to a power device package module and a manufacturing method thereof. In one aspect of the present invention, a power device package module includes: a control unit a first lead frame, a control chip and a first coupling portion that are mounted on a first substrate, wherein the first lead frame and the first coupling portion are electrically connected to the control chip, and individually molded; and a power unit including a second lead frame, a power chip and a second coupling portion that are mounted on a second substrate, wherein the second lead frame and the second coupling portion are electrically connected to the power chip, and individually molded, wherein the individually molded control unit and power unit are coupled by the first coupling portion and the second coupling portion.
    Type: Application
    Filed: July 25, 2012
    Publication date: January 31, 2013
    Inventors: Suk Ho LEE, Jae Cheon DOH, Young Hoon KWAK, Tae Hoon KIM, Tao Jyun KIM, Young Ki LEE
  • Patent number: 8358017
    Abstract: Embodiments in accordance with the present invention relate to flip-chip packages for semiconductor devices, which feature a die sandwiched between metal layers. One metal layer comprises portions of the lead frame configured to be in electrical and thermal communication with various pads on a first surface of the die (e.g. IC pads or MOSFET gate or source pads) through a solder ball contact. The other metal layer is configured to be in at least thermal communication with the opposite side of the die. Embodiments of packages in accordance with the present invention exhibit superior heat dissipation qualities, while avoiding the expense of wire bonding. Embodiments of the present invention are particularly suited for packaging of power devices.
    Type: Grant
    Filed: August 5, 2008
    Date of Patent: January 22, 2013
    Assignee: GEM Services, Inc.
    Inventor: Anthony C. Tsui
  • Publication number: 20130015565
    Abstract: A substrate structure has a first surface and a second surface. A plurality of carrying members are formed on the first surface and a plurality of conductive traces are formed on the second surface. In addition, the substrate structure has a first, a second and a third thermal stress relief structures. The first thermal stress relief structure is that lengths of the substrate structure in different axial directions are substantially equal to each other. The second thermal stress relief structure is that a plurality of separated alignment marks are formed on the substrate structure. The third thermal stress relief structure is that the substrate structure has at least one clearance area extending along one of the axial directions of the substrate structure and the clearance area has no carrying members and no conductive traces formed thereon.
    Type: Application
    Filed: May 10, 2012
    Publication date: January 17, 2013
    Applicants: LITE-ON TECHNOLOGY CORPORATION, SILITEK ELECTRONIC (GUANGZHOU) CO., LTD.
    Inventor: CHEN-HSIU LIN
  • Publication number: 20130001759
    Abstract: Disclosed herein is a semiconductor package including: first power device; second power device formed in an upper portion of the first power device; a first lead frame formed in a lower portion of the first power device; a second lead frame formed in the upper portion of the first power device and a lower portion of the second power device; a third lead frame formed in an upper portion of the second power device; a fourth lead frame electrically connected to at least one of the power device and the second power device; and a sealing substance exposing a part of the first through fourth lead frames and sealing the other parts thereof.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 3, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Hyun Kim, Eun Jung Jo, Jae Hyun Lim, Joon Seok Chae, Young Ho Sohn
  • Publication number: 20130001758
    Abstract: The present invention provides a power semiconductor package. The power semiconductor package comprises a dual lead frame assembly comprising a bottom lead frame having a first heat sink pad at its bottom surface and a top lead frame having a second heat sink pad at its bottom surface. The top lead frame is coupled to the bottom lead frame by an isolation layer, wherein the isolation layer is a thermal conductive, but electrical isolative, material. The power semiconductor package further comprises a power semiconductor device coupled to the top lead frame of the dual lead frame assembly and an encapsulation member encapsulating the dual lead frame assembly and the power semiconductor device, while exposing the first heat sink pad at the bottom surface of the bottom lead frame.
    Type: Application
    Filed: September 10, 2012
    Publication date: January 3, 2013
    Applicant: PSI Technologies, Inc.
    Inventors: Thomas Joachim Werner MOERSHEIM, Fernando Villon CAPINIG, Dandy Navarro JADUCANA, Anthony Augusto Malon GALAY
  • Patent number: 8334583
    Abstract: A leadframe strip comprises a plurality of units arranged in a line. Each unit provides two component positions, each having a chip support substrate. The chip support substrates of the two component positions are mechanically linked by at least one support bar. The two component positions of a unit are molded at essentially the same time to produce a plastic housing for a package in each component position. The central portion of the first support bars remains outside of the plastic housing of the two packages.
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: December 18, 2012
    Assignee: Infineon Technologies AG
    Inventors: Jeffrey Khai Huat Low, Kean Cheong Lee
  • Publication number: 20120313229
    Abstract: The invention discloses a package structure for better heat-dissipation or EMI performance. A first conductive element and a second conductive element are both disposed between the top lead frame and the bottom lead frame. The first terminal of the first conductive element is electrically connected to the bottom lead frame, and the second terminal of the first conductive element is electrically connected to the top lead frame. The third terminal of the second conductive element is electrically connected to the bottom lead frame, and the fourth terminal of the second conductive element is electrically connected to the top lead frame. In one embodiment, a heat dissipation device is disposed on the top lead frame. In one embodiment, the molding compound is provided such that the outer leads of the top lead frame are exposed outside the molding compound.
    Type: Application
    Filed: August 21, 2012
    Publication date: December 13, 2012
    Applicant: CYNTEC CO., LTD.
    Inventors: Han-Hsiang Lee, Yi-Cheng Lin, Da-Jung Chen
  • Publication number: 20120306064
    Abstract: A chip package including a lead frame, a heat sink, a chip and a molding compound is provided. The lead frame includes a chip pad and a plurality of leads, wherein the chip pad has a first surface and a second surface opposite thereto. The heat sink has a third surface and a fourth surface opposite thereto, wherein the lead frame is disposed on the third surface of the heat sink through the second surface of the chip pad, and the fourth surface of the heat sink is exposed. The chip is disposed on the first surface of the chip pad and electrically connected to each of the chip pad and the leads. The molding compound encapsulates the chip, the chip pad, the heat sink and a portion of each of the leads.
    Type: Application
    Filed: August 14, 2012
    Publication date: December 6, 2012
    Applicant: NOVATEK MICROELECTRONICS CORP.
    Inventor: Tai-Hung Lin
  • Patent number: 8324723
    Abstract: A semiconductor chip assembly includes a semiconductor device, a heat spreader, a conductive trace and an adhesive. The heat spreader includes a bump that includes first, second and third bent corners that shape a cavity. The conductive trace includes a pad and a terminal. The semiconductor device is located within the cavity, is electrically connected to the conductive trace and is thermally connected to the bump. The bump extends into an opening in the adhesive and provides a recessed die paddle and a reflector for the semiconductor device. The conductive trace provides signal routing between the pad and the terminal.
    Type: Grant
    Filed: November 20, 2010
    Date of Patent: December 4, 2012
    Assignee: Bridge Semiconductor Corporation
    Inventors: Charles W. C. Lin, Chia-Chung Wang
  • Publication number: 20120280376
    Abstract: A method of manufacture of an integrated circuit packaging system includes: forming a peripheral lead having a peripheral lead bottom side, a peripheral lead top side, a peripheral lead non-horizontal side, a peripheral lead horizontal ridge, and a peripheral lead conductive plate, the peripheral lead horizontal ridge protruding from the peripheral lead non-horizontal side; forming a central lead adjacent to the peripheral lead; forming a first top distribution layer on the peripheral lead top side; connecting an integrated circuit to the first top distribution layer; applying an insulation layer directly on a bottom extent of the first top distribution layer and a peripheral lead ridge lower side of the peripheral lead horizontal ridge; and attaching a heatsink to the central lead under the integrated circuit.
    Type: Application
    Filed: March 21, 2012
    Publication date: November 8, 2012
    Inventors: Byung Tai Do, Arnel Senosa Trasporto, Linda Pei Ee Chua
  • Publication number: 20120280375
    Abstract: In a package wherein a lead part coupled to a semiconductor element by wire bonding, an element retention member to retain the semiconductor element on the top face side and radiate heat on the bottom face side, and an insulative partition part to partition the lead part from the element retention member with an insulative resin appear, a creeping route ranging from the top face to retain the semiconductor element to a package bottom face on a boundary plane between the element retention member and an insulative partition part includes a bent route having a plurality of turns. Consequently, it is possible to inhibit an encapsulation resin to seal a region retaining the semiconductor element from exuding toward the bottom face side of the package.
    Type: Application
    Filed: November 16, 2010
    Publication date: November 8, 2012
    Applicant: SUMITOMO CHEMICAL CO., LTD.
    Inventors: Tatsuhiko Sakai, Kiyomi Nakamura, Yasuo Matsumi
  • Patent number: 8304293
    Abstract: Disclosed are systems and methods for improving the thermal performance of integrated circuit packages. Aspects of the present invention include improved thermal package structures and methods for producing the same through the application of one or more thermal spreaders in the package. In embodiments, a thermal spreader is incorporated in a semiconductor chip package between a semiconductor die and its die pad. By including a thermal spreader in an IC package, the package can handle higher levels of power while maintaining approximately the same temperature of the package or can reduce the temperature of the package when operating at the same power level, as compared to a package without a thermal spreader.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: November 6, 2012
    Assignee: Maxim Integrated, Inc.
    Inventors: Tarak A. Railkar, Steven D. Cate
  • Patent number: 8304897
    Abstract: An electronic package 100 comprising a semiconductor device 105, a heat spreader layer 110, and a thermal interface material layer 115 located between the semiconductor device and the heat spreader layer. The thermal interface material layer includes a resin layer 120 having heat conductive particles 125 suspended therein. A portion of the particles are exposed on at least one non-planar surface 135 of the resin layer such that the portion of exposed particles 130 occupies a majority of a total area of a horizontal plane 140 of the non-planar surface.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: November 6, 2012
    Assignee: Texas Instruments Incorporated
    Inventors: Siva Prakash Gurrum, Paul J Hundt, Vikas Gupta
  • Patent number: 8278154
    Abstract: A semiconductor device package includes a semiconductor chip including a conductive pad, a die pad on which the semiconductor chip is mounted and having a first thickness, a lead pattern including a first portion disposed adjacent to the edge of the die pad and having the first thickness and a second portion having a second thickness greater than the first thickness, a heat radiation member disposed on the die pad and the lead pattern and including a groove formed at its bottom surface, and a conductive line disposed to electrically connect the conductive pad to the lead pattern corresponding to the conductive pad and partially inserted into the groove.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: October 2, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-Shin Youn, Young-Shin Kwon
  • Publication number: 20120243281
    Abstract: According to one embodiment, a power semiconductor device includes a first conductor, a second conductor, and a first semiconductor chip. The first conductor includes a first portion and a second portion. The first portion includes a first major surface and a second major surface opposite thereto. The second portion includes a third major surface intersecting at right angles with the first major surface and a fourth major surface opposite to the third major surface. The fourth major surface becomes farther from the third major surface to become continuous with the second major surface with proximity to the first major surface. The second conductor includes a third portion and a fourth portion. The third portion is similar to the first portion. The fourth portion is similar to the second portion. The first semiconductor chip is placed between the second portion and the forth portion.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 27, 2012
    Applicant: Kabushiki Kaisha Toshiba
    Inventor: Eitaro MIYAKE
  • Patent number: 8269323
    Abstract: Methods, systems, and apparatuses for integrated circuit packages, and for package stacking, are provided. An electrically conductive frame is attached to a first surface of a substrate. The electrically conductive frame includes a perimeter ring portion, a plurality of leads, and a plurality of interconnect members positioned within a periphery formed by the perimeter ring portion. Each interconnect member is coupled to the perimeter ring portion by a respective lead. A first end of each interconnect member is coupled to the first surface of the substrate. An encapsulating material is applied to the first surface of the substrate, without covering a second end of each interconnect member with the encapsulating material. The perimeter ring portion is removed from the electrically conductive frame to isolate the plurality of interconnect members. A first integrated circuit package is formed in this manner. A second integrated circuit package may be mounted to the first package.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: September 18, 2012
    Assignee: Broadcom Corporation
    Inventors: Rezaur Rahman Khan, Ken Jian Ming Wang
  • Patent number: 8269338
    Abstract: A semiconductor device mountable to a substrate includes a semiconductor die and an electrically conductive lead frame having first and second end portions and a first attachment surface and a second attachment surface. The die electrically contacts the first end portion of the lead frame on the first attachment surface. An externally exposed housing encloses the semiconductor die and the first end portion of the lead frame, said housing including a metallic plate facing the second attachment surface of the lead frame.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: September 18, 2012
    Assignee: Vishay General Semiconductor LLC
    Inventors: Ta-Te Chou, Xiong-Jie Zhang, Xian Li, Hai Fu, Yong-Qi Tian
  • Patent number: 8247891
    Abstract: A chip package structure including a substrate, at least one chip, a plurality of leads, a heat dissipation device, a molding compound, and at least one insulating sheet is provided. The chip is disposed on the substrate. The leads are electrically connected to the substrate. The molding compound having a top surface encapsulates the chip, the substrate, and a portion of the leads. The heat dissipation device is disposed on the top surface of the molding compound. The insulating sheet disposed between the heat dissipation device and at least one of the leads has a bending line dividing the insulating sheet into a main body disposed on the molding compound and a bending portion extending from the main body.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: August 21, 2012
    Assignee: Cyntec Co., Ltd.
    Inventors: Chau-Chun Wen, Da-Jung Chen, Bau-Ru Lu, Chun-Hsien Lu
  • Patent number: 8232634
    Abstract: A semiconductor chip is mounted on a heat sink disposed inside a through-hole of a wiring board, electrodes of the semiconductor chip and connecting terminals of the wiring board are connected by bonding wires, a sealing resin is formed to cover the semiconductor chip and the bonding wires, and solder balls are formed on the lower surface of the wiring board, thereby constituting the semiconductor device. The heat sink is thicker than the wiring board. The heat sink has a protruded portion protruding to outside from the side surface of the heat sink, the protruded portion is located on the upper surface of the wiring board outside the through-hole, and the lower surface of the protruded portion contacts to the upper surface of the wiring board. When the semiconductor device is manufactured, the heat sink is inserted from the upper surface side of the wiring board.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: July 31, 2012
    Assignee: Renesas Electronics Corporation
    Inventors: Noriyuki Takahashi, Mamoru Shishido
  • Patent number: 8227907
    Abstract: An embodiment of the present invention is a technique to fabricate a metal interconnect. A first metal trace is printed on a die attached to a substrate or a cavity of a heat spreader in a package to electrically connect the first metal trace to a power contact in the substrate. A device is mounted on the first metal trace. The device receives power from the substrate when the package is powered.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: July 24, 2012
    Assignee: Intel Corporation
    Inventors: Yoshihiro Tomita, David Chau, Gregory M. Chrysler, Devendra Natekar
  • Publication number: 20120181676
    Abstract: Embodiments of the present invention relate to the use of stamping to form features on a lead frame of a semiconductor device package. In one embodiment, portions of the lead frame such as pins are moved out of the horizontal plane of a diepad by stamping. In certain embodiments, indentations or a complex cross-sectional profile, such as chamfered, may be imparted to portions of the pins and/or diepad by stamping. The complexity offered by such a stamped cross-sectional profile serves to enhance mechanical interlocking of the lead frame within the plastic molding of the package body. Other techniques such as selective electroplating and/or formation of a brown oxide guard band to limit spreading of adhesive material during die attach, may be employed alone or in combination to facilitate fabrication of a package having such stamped features.
    Type: Application
    Filed: January 11, 2012
    Publication date: July 19, 2012
    Applicant: GEM Service, Inc.
    Inventors: Anthony C. Tsui, Hongbo Yang, Ming Zhou, Weibing Chu, Anthony Chia
  • Publication number: 20120181677
    Abstract: Embodiments of the present invention relate to the use of stamping to form features on a lead frame of a semiconductor device package. In one embodiment, portions of the lead frame such as pins are moved out of the horizontal plane of a diepad by stamping. In certain embodiments, indentations or a complex cross-sectional profile, such as chamfered, may be imparted to portions of the pins and/or diepad by stamping. The complexity offered by such a stamped cross-sectional profile serves to enhance mechanical interlocking of the lead frame within the plastic molding of the package body. Other techniques such as selective electroplating and/or formation of a brown oxide guard band to limit spreading of adhesive material during die attach, may be employed alone or in combination to facilitate fabrication of a package having such stamped features.
    Type: Application
    Filed: January 11, 2012
    Publication date: July 19, 2012
    Applicant: GEM Services, Inc.
    Inventors: Anthony C. Tsui, Hongbo Yang, Ming Zhou, Weibing Chu, Anthony Chia
  • Publication number: 20120168919
    Abstract: A semiconductor package and a method of manufacturing the same, and more particularly, to a package of a power module semiconductor and a method of manufacturing the same. The semiconductor package includes a substrate including a plurality of conductive patterns spaced apart from one another; a plurality of semiconductor chips disposed on the conductive patterns; a connecting member for electrically connecting the conductive patterns to each other, for electrically connecting the semiconductor chips to each other, or for electrically connecting the conductive pattern and the semiconductor chip; and a sealing member for covering the substrate, the semiconductor chips, and the connecting member, wherein a lower surface of the substrate and an upper surface of the connecting member are exposed to the outside by the sealing member.
    Type: Application
    Filed: January 3, 2012
    Publication date: July 5, 2012
    Inventors: Joo-Yang EOM, Joon-Seo SON