Using Strip Lead Frame Patents (Class 438/111)
  • Patent number: 8399997
    Abstract: In one embodiment, a method includes attaching a film to cover a first portion of a first semiconductor die. The first semiconductor die is attached, using the tape, to a lead frame using a first bonding method. The first bonding method places the film between the lead frame and the semiconductor die. A second semiconductor die is attached to the lead frame using a second bonding method. The second bonding method bonds the lead frame and the semiconductor die. The first semiconductor device and the second semiconductor device are encapsulated into a semiconductor package.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: March 19, 2013
    Assignee: Shanghai Kalhong Electronic Company Limited
    Inventors: Jiangyuan Zhang, Elite Lee, Dana Liu
  • 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
  • Patent number: 8389332
    Abstract: A method of manufacture of an integrated circuit packaging system includes: providing a lead frame having a die attach paddle, an isolated pad, and a connector; attaching an integrated circuit die to the die attach paddle and the connector; forming an encapsulation over the integrated circuit die, the connector, the die attach paddle, and the isolated pad; and singulating the connector and the die attach paddle whereby the isolated pads are electrically isolated.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: March 5, 2013
    Assignee: Stats Chippac Ltd.
    Inventors: Zigmund Ramirez Camacho, Henry Descalzo Bathan, Lionel Chien Hui Tay, Jose Alvin Caparas
  • Patent number: 8390105
    Abstract: A lead frame substrate, including: a metal plate having a first surface and a second surface; a semiconductor element mount portion and a semiconductor element electrode connection terminal that are formed on the first surface; an external connection terminal formed on the second surface and electrically connected to the semiconductor element electrode connection terminal; a conducting wire that connects the semiconductor element electrode connection terminal and the external connection terminal to each other; a resin layer formed on the metal plate; a hole portion that is partly formed in the second surface of the metal plate and does not penetrate the metal plate; and a plurality of protrusions that are formed on a bottom surface of the hole portion and protrude in a direction away from the metal plate, the protrusions having a height lower than a position of the second surface, not being in electrical conduction with the conducting wire, and being dispersed separately.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: March 5, 2013
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Junko Toda, Susumu Maniwa, Yasuhiro Sakai, Takehito Tsukamoto
  • Patent number: 8377747
    Abstract: A method of making an IC device includes providing a stack of leadframe sheets each including a plurality of leadframes and an interleaf member interposed between adjacent ones of the leadframe sheets. The interleaf members include indicia that identifies the leadframes sheets. The stack of leadframe sheets is loaded onto an assembly machine. A first interleaf member is removed from the first leadframe sheet. The first leadframe sheet is transferred onto a mounting surface of the assembly machine. Semiconductor die are attached to leadframes on the first leadframe sheet. The method can include reading the indicia from the first interleaf member to determine a part number and lead finish for the first leadframe sheet, verifying the part number for the first leadframe sheet by comparing to a build list, and transferring the first leadframe sheet onto a mounting surface of the assembly machine only if the part number is verified.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: February 19, 2013
    Assignee: Texas Instruments Incorporated
    Inventor: John Paul Tellkamp
  • Publication number: 20130037917
    Abstract: A method for forming a wafer level chip scale (WLCS) package device with a thick bottom metal comprising the step of attaching a lead frame comprising a plurality of thick bottom metals onto a back metal layer of a semiconductor wafer including a plurality of semiconductor chips having a plurality of bonding pads formed on a front surface of each chip, each thick bottom metal is aligned to a central portion of each chip; a plurality of back side cutting grooves are formed along the scribe lines and filled with a package material, the package material are cut through thus forming a plurality of singulated WLCS package devices.
    Type: Application
    Filed: September 1, 2012
    Publication date: February 14, 2013
    Inventor: Yan Xun Xue
  • Patent number: 8373262
    Abstract: A source driver of a film package type including a film substrate; a semiconductor chip on a surface of the film substrate, the semiconductor chip having a plurality of terminals, the plurality of terminals including input terminals, output terminals, and third terminals; an input terminal wiring region for receiving first wiring lines which are connected to the input terminals; an output terminal wiring region for receiving second wiring lines which are connected to the output terminals; sprocket portions at opposite ends of the film substrate; and a heat conducting patterns for connecting the third terminals. This makes it possible to provide a source driver, a method for manufacturing the source driver, and a liquid crystal module, each of which can increase a heat dissipation amount.
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: February 12, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Tatsuya Katoh
  • Patent number: 8361839
    Abstract: Methods for fabricating a packaged semiconductor device includes providing a metal plate having a single flat first surface and a parallel second surface. The flat first surface ending in four sawed plate sides. The plate having on the second surface at least one mesa of the same metal and a linear array of insular mesas. The at least one mesa is raised from the second surface. A single terminal of a semiconductor chip is attached to the second plate surface.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: January 29, 2013
    Assignee: Texas Instruments Incorporated
    Inventor: Sreenivasan K. Koduri
  • Patent number: 8354739
    Abstract: A method for manufacturing a thin semiconductor package includes providing a lead frame with a removable substrate that has an attaching surface attached to a first surface of the lead frame. The lead frame is formed from an electrically conductive sheet and has leads that extend inwardly from a lead frame boundary towards a central region of the lead frame. A semiconductor die is mounted on the removable substrate at the central region. The semiconductor die has a connection pad surface with die pads on it, and the connection pad surface is attached to the attaching surface of the removable substrate. The lead frame and die are encapsulated with a first encapsulant so that the lead frame is sandwiched between the first encapsulant and the removable substrate. The removable substrate is removed from the lead frame to expose the first surface of the lead frame and then the die pads are electrically connected to respective ones of the leads.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: January 15, 2013
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Yeqing Su, Zhigang Bai, Weimin Chen, Wei Shen, Jianhong Wang, Baoguan Yin, Wanming Yu
  • Publication number: 20130011969
    Abstract: The disclosure provides a method for fabricating the flexible electronic devices, including: providing a first rigid carrier substrate and a second rigid carrier substrate, wherein at least one flexible electronic device is formed between the first rigid carrier substrate and the second rigid carrier substrate, and a plurality of first de-bonding areas, a first flexible substrate, the flexible electronic device, a second flexible substrate, a plurality of second de-bonding areas and the second rigid carrier substrate are formed on the first rigid carrier substrate; performing a first cutting step to cut through the first de-bonding areas; separating the first rigid carrier substrate from the first de-bonding areas; removing the first rigid carrier substrate from the first de-bonding areas; and performing a second cutting step to cut through the second de-bonding areas; separating and removing the second rigid carrier substrate from the second de-bonding areas.
    Type: Application
    Filed: June 21, 2012
    Publication date: January 10, 2013
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Kuang-Jung CHEN, Isaac Wing-Tak CHAN
  • Publication number: 20130009293
    Abstract: A packaging substrate includes a first dielectric layer; a plurality of first conductive pads embedded in and exposed from a first surface of the first dielectric layer; a first circuit layer embedded in and exposed from a second surface of the first dielectric layer; a plurality of first metal bumps disposed in the first dielectric layer, each of the first metal bumps having a first end embedded in the first circuit layer and a second end opposing the first end and disposed on one of the first conductive pads, a conductive seedlayer being disposed between the first circuit layer and the first dielectric layer and between the first circuit layer and the first metal bump; a built-up structure disposed on the first circuit layer and the first dielectric layer; and a plurality of second conductive pads disposed on the built-up structure. The packaging substrate has an over-warpage problem improved.
    Type: Application
    Filed: July 6, 2012
    Publication date: January 10, 2013
    Applicant: UNIMICRON TECHNOLOGY CORPORATION
    Inventors: Tzyy-Jang Tseng, Chung-W. Ho
  • Patent number: 8349655
    Abstract: A method of fabricating a leadframe-based semiconductor package, and a semiconductor package formed thereby, are disclosed. In embodiments, a semiconductor die having die bond pads along two adjacent edges may be electrically coupled to four sides of a four-sided leadframe. Embodiments relate to lead and no-lead type leadframe.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: January 8, 2013
    Assignee: SanDisk Technologies Inc.
    Inventors: Cheeman Yu, Vani Verma, Hem Takiar
  • Patent number: 8344499
    Abstract: A method of making a chip-exposed semiconductor package comprising the steps of: plating a plurality of electrode on a front face of each chip on a wafer; grinding a backside of the wafer and depositing a back metal then separating each chips; mounting the chips with the plating electrodes adhering onto a front face of a plurality of paddle of a leadframe; adhering a tape on the back metal and encapsulating with a molding compound; removing the tape and sawing through the leadframe and the molding compound to form a plurality of packaged semiconductor devices.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: January 1, 2013
    Assignee: Alpha & Omega Semiconductor, Inc
    Inventors: Yuping Gong, Yan Xun Xue
  • Patent number: 8338234
    Abstract: A method of manufacturing a hybrid integrated circuit device of the present invention includes the steps of preparing a lead frame which constituted by units each having a plurality of leads, and fixing a circuit substrate on each unit of the lead frame by fixing pads which are formed on the surface of the circuit substrate to the leads, where a space between a first pad which is formed at an end edge of the circuit substrate and a second pad which is adjacent to the first pad is set narrower than a space between the pads themselves.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: December 25, 2012
    Assignee: Semiconductor Components Industries, LLC
    Inventors: Junichi Iimura, Yasuhiro Koike, Soichi Izutani
  • Patent number: 8324721
    Abstract: An integrated circuit package that comprises a lead frame 105, an integrated circuit located on the lead frame and a shunt resistor coupled to the integrated circuit. The shunt resistor has a lower temperature coefficient of resistance than the lead frame, and the lead frame has a lower resistivity than the shunt resistor. The shunt resistor has a low-resistance coupling to external leads of the lead frame, or, the shunt resistor has its own integrated external leads.
    Type: Grant
    Filed: March 5, 2012
    Date of Patent: December 4, 2012
    Assignee: Texas Instruments Incorporated
    Inventors: Ubol Udompanyavit, Steve Kummerl
  • Patent number: 8324025
    Abstract: A method for packaging one or more power semiconductor devices is provided. A lead frame comprising one or more base die paddles, multiple lead terminals, and a tie bar assembly is constructed. The lead terminals extend to a predetermined elevation from the base die paddles. The base die paddles are connected to the lead terminals by the tie bar assembly. The tie bar assembly mechanically couples the base die paddles to each other and to the lead terminals. The tie bar assembly is selectively configured to isolate the lead terminals from the base die paddles and to enable creation of multiple selective connections between one or more of the lead terminals and one or more power semiconductor devices mounted on the base die paddles, thereby enabling flexible packaging of one or more isolated and/or non-isolated power semiconductor devices and increasing their power handling capacity.
    Type: Grant
    Filed: April 9, 2011
    Date of Patent: December 4, 2012
    Assignee: Team Pacific Corporation
    Inventor: Romeo Alvarez Saboco
  • Patent number: 8318548
    Abstract: A high positional accuracy of a semiconductor chip is attained to stabilize the quality of a semiconductor device. In a die bonding process during assembly of an SIP, a microcomputer chip not required to have a high positional accuracy is picked up with a surface non-contact type collet and is die-bonded onto a first chip mounting portion, thereafter, an ASIC chip required to have a high positional accuracy is picked up with a surface contact type collet and die-bonded onto a second chip mounting portion. By thus using two types of collets properly, not only a high positional accuracy of the ASIC chip which has been die-bonded with the surface contact type collet is attained, but also the quality of the SIP is stabilized.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: November 27, 2012
    Assignee: Renesas Electronics Corporation
    Inventors: Kunihiro Yamashita, Kazushi Hatauchi, Tetsuya Uebayashi
  • Patent number: 8314481
    Abstract: A substrate structure for an image sensor package includes a bottom base and a frame layer. The bottom base has an upper surface formed with a plurality of first electrodes, and a lower surface formed with a plurality of second electrodes. An insulation layer is coated between the first electrodes and in direct surface contact with the upper surface of the bottom base. A frame layer is arranged on and in direct surface contact with the first electrodes and the insulation layer to form a cavity together with the bottom base. The insulation layer is interposed between the bottom base and the frame layer.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: November 20, 2012
    Assignee: Kingpak Technology Inc.
    Inventors: Chung Hsien Hsin, Yves Huang, Kevin Chang, Chief Lin
  • Patent number: 8304868
    Abstract: A pallet (501) supporting a half-etched leadframe with cantilever-type leads (403) without metallic supports during the step of attaching components (510) to the leads in order to assemble an electronic system. After assembly, the pallet is removed before the molding step that encapsulates (601a) the components on the leadframe and mechanically supports (601b) the cantilever leads. The pallet is machined from metal or inert plastic material, tolerates elevated temperatures during soldering, and is reusable for the next assembly batch.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: November 6, 2012
    Assignee: Texas Instruments Incorporated
    Inventors: Michael G Amaro, Steven A Kummerl, Taylor R Efland, Sreenivasan K Koduri
  • Patent number: 8294248
    Abstract: Described herein are microelectronic packages including a plurality of bonding fingers and multiple integrated circuit chips, at least one integrated circuit chip being mounted onto the bonding fingers. According to various embodiments of the present invention, mounting the integrated circuit chip onto the bonding fingers may reduce the pin-out count by allowing multiple integrated circuit chips to be interconnected within the same microelectronic package. Other embodiments may be described and claimed.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: October 23, 2012
    Assignee: Marvell World Trade Ltd.
    Inventors: Chenglin Liu, Shiann-Ming Liou
  • Patent number: 8288860
    Abstract: An integrated circuit package system includes: providing a base package of an elongated rectangular-box shape containing first electrical circuitry and including: forming a rectangular contact strip on and adjacent to a first end of the base package; and forming a base contact pad on and adjacent to a second end of the base package for connection to an electrical interconnect.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: October 16, 2012
    Assignee: Stats Chippac Ltd.
    Inventors: Chee Keong Chin, Yu Feng Feng, Wen Bin Qu
  • Patent number: 8288866
    Abstract: Techniques for modular chip fabrication are provided. In one aspect, a modular chip structure is provided. The modular chip structure comprises a substrate; a carrier platform attached to the substrate, the carrier platform comprising a plurality of conductive vias extending through the carrier platform; and a wiring layer on the carrier platform in contact with one or more of the conductive vias, wherein the wiring layer comprises one or more wiring levels and is configured to divide the carrier platform into a plurality of voltage islands; and chips, chip macros or at least one chip in combination with at least one chip macro assembled on the carrier platform.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: October 16, 2012
    Assignee: International Business Machines Corporation
    Inventors: Alain Caron, John Ulrich Knickerbocker
  • Patent number: 8288209
    Abstract: A semiconductor device has a leadframe with a plurality of bodies extending from the base plate. A first semiconductor die is mounted to the base plate of the leadframe between the bodies. An encapsulant is deposited over the first semiconductor die and base plate and around the bodies of the leadframe. A portion of the encapsulant over the bodies of the leadframe is removed to form first openings in the encapsulant that expose the bodies. An interconnect structure is formed over the encapsulant and extending into the first openings to the bodies of the leadframe. The leadframe and bodies are removed to form second openings in the encapsulant corresponding to space previously occupied by the bodies to expose the interconnect structure. A second semiconductor die is mounted over the first semiconductor die with bumps extending into the second openings of the encapsulant to electrically connect to the interconnect structure.
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: October 16, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: HeeJo Chi, NamJu Cho, HanGil Shin
  • Patent number: 8283761
    Abstract: Packaged microelectronic devices and methods for manufacturing packaged microelectronic devices are disclosed herein. In one embodiment, a packaged microelectronic device can include a support member and at least one die in a stacked configuration attached to the support member. The support member may include a leadframe disposed longitudinally between first and second ends and latitudinally between first and second sides. The leadframe includes a lead extending between the first end and the first side.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: October 9, 2012
    Assignee: Micron Technology, Inc.
    Inventors: Teck Kheng Lee, Voon Siong Chin, Ai Chie Wang
  • Patent number: 8278141
    Abstract: An integrated circuit package system includes: fabricating an integrated circuit substrate; forming an internal stacking module coupled to the integrated circuit substrate including: forming a flexible substrate, coupling a stacking module integrated circuit to the flexible substrate, and bending a flexible extension over the stacking module integrated circuit; molding a package body on the integrated circuit substrate and the internal stacking module; and coupling an external integrated circuit to the internal stacking module exposed through the package body.
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: October 2, 2012
    Assignee: Stats Chippac Ltd.
    Inventors: Seng Guan Chow, Heap Hoe Kuan, Reza Argenty Pagaila
  • Patent number: 8278148
    Abstract: An integrated circuit package system is provided including forming a leadframe having a frame and a die paddle having leads thereon. The leads are held with respect to the die paddle. The leads are separated from the die paddle, and a die is attached to the die paddle. Bond wires are bonded between the leads and the die. The die and bond wires are encapsulated. The leadframe is singulated to separate the frame and the die paddle.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: October 2, 2012
    Assignee: Stats Chippac Ltd.
    Inventors: Jeffrey D. Punzalan, Jairus Legaspi Pisigan, Lionel Chien Hui Tay, Zigmund Ramirez Camacho
  • Publication number: 20120238058
    Abstract: A method of assembling semiconductor devices includes placing an array of semiconductor dies on a die support. A cap array structure is provided that has a corresponding array of caps supported by a cap frame structure. The cap array structure and the array of semiconductor dies on the die support are aligned, with the caps extending over corresponding semiconductor dies, in a mold chase. The array of semiconductor dies and the array of caps are encapsulated with a molding compound in the mold chase. The encapsulated units of the semiconductor dies with the corresponding caps are removed from the mold chase and singulated. Singulating the encapsulated units may include removing the cap frame structure from the encapsulated units.
    Type: Application
    Filed: February 16, 2012
    Publication date: September 20, 2012
    Applicant: FREESCALE SEMICONDUCTOR, INC
    Inventors: Junhua LUO, Zhigang BAI, Nan XU, Jinzhong YAO
  • Patent number: 8269324
    Abstract: An integrated circuit package system includes: providing a lead having a lead connection surface for connectivity to a next level system; attaching an integrated circuit over the lead having the lead connection surface substantially within a region below a perimeter of the integrated circuit without a die paddle, a substrate conductor, or a redistribution layer; and attaching a die connector to the integrated circuit and the lead.
    Type: Grant
    Filed: July 11, 2008
    Date of Patent: September 18, 2012
    Assignee: STATS ChipPAC Ltd.
    Inventors: Arnel Senosa Trasporto, Zigmund Ramirez Camacho, Lionel Chien Hui Tay, Jose Alvin Caparas
  • Patent number: 8241957
    Abstract: A method for fabricating a negative thermal expanding system device includes coating a wafer with a thermally decomposable polymer, patterning the decomposable polymer into repeating disk patterns, releasing the decomposable polymer from the wafer and forming a sheet of repeating patterned disks, suspending the sheet into a first solution with seeding compounds for electroless decomposition, removing the sheet from the first solution, suspending the sheet into a second solution to electrolessly deposit a first layer material onto the sheet, removing the sheet from the second solution, suspending the sheet into a third solution to deposit a second layer of material having a lower TCE value than the first layer of material, separating the patterned disks from one another, and annealing thermally the patterned disks to decompose the decomposable polymer and creating a cavity in place of the decomposable polymer.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: August 14, 2012
    Assignee: International Business Machines Corporation
    Inventors: Gareth Geoffrey Hougham, S. Jay Chey, James Patrick Doyle, Xiao Hu Liu, Christopher V. Jahnes, Paul Alfred Lauro, Nancy C. LaBianca, Michael J. Rooks
  • Patent number: 8241958
    Abstract: To provide a semiconductor device and a semiconductor module in which breakage of a semiconductor element due to a pressing force given from the outside is prevented. A semiconductor device according to the present invention has a configuration mainly including an island, a semiconductor element mounted on a front surface of the island, a lead that functions as an external connection terminal, and a sealing resin that covers these components in an integrated manner and mechanically supports them. Further, a through-hole is provided so as to penetrate the sealing resin. A front surface of the sealing resin around the through-hole forms a flat part. The front surface of the sealing resin that overlaps the semiconductor element is depressed inward with respect to the flat part to form a depressed part.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: August 14, 2012
    Assignees: SANYO Semiconductor Co., Ltd., Semiconductor Components Industries, LLC
    Inventor: Haruhiko Sakai
  • Patent number: 8230591
    Abstract: An electronic device substrate is provided with a thin-plate core substrate; a metal electrode provided on the core substrate and electrically connected to an electrode of an electronic component to be packaged thereon; and an electrical insulation layer on which is mounted the electronic component, and which is provided to surround the metal electrode.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: July 31, 2012
    Assignees: Hitachi Cable, Ltd., Renesas Electronics Corporation
    Inventors: Akira Chinda, Nobuaki Miyamoto, Koki Hirasawa, Kenji Uchida, Mamoru Mita
  • Patent number: 8225268
    Abstract: A wiring design method for a wiring board comprises, if design rule errors are found in the wiring design, selecting one of the design rule errors as a selected design rule error, specifying a predetermined number of the second connection terminals as selected second connection terminals that correspond to the selected design rule error, and moving the selected second connection terminals to predetermined coordinate positions. Each time when the selected second connection terminals are moved to the post-movement coordinate positions, the method comprises connecting the second connection terminals and the first connection terminals, conducting the design rule check, and determining whether no design rule errors are detected newly and the selected design rule error is not detected either.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: July 17, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Mikio Nakano
  • Patent number: 8222082
    Abstract: A technique is provided which allows a chip mounted by wire bonding and a chip mounted by bump electrodes to share a manufacturing process. Both in a case where a chip is electrically coupled to an external circuit by bump electrodes and a case where the chip is electrically coupled to the external circuit by bonding wires, a bump coupling part and a bonding pad are both provided in a single uppermost wiring layer. When the bump electrodes are used, an opening is provided in an insulating film on the bump coupling part and a surface of the bonding pad is covered with the insulating film. On the other hand, when the bonding wires are used, an opening is provided in an insulating film on the bonding pad and a surface of the bump coupling part is covered with the insulating film.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: July 17, 2012
    Assignee: Renesas Electronics Corporation
    Inventors: Niichi Ito, Tetsuji Nakamura, Takamitsu Nagaosa, Hisashi Okamura
  • Patent number: 8211748
    Abstract: A semiconductor integrated circuit (IC) device is defined by a low-profile package without a die attach pad (DAP). In place of the DAP, an adhesive element is used to retain a die relative to a lead frame during processing. In one example, a method of manufacturing the device includes sealing the lead frame on one side using an adhesive tape and exposing a portion of the tape within a die attach region. The die is secured onto the tape adhesive and held in place during subsequent processing, such as a wire bonding procedure to couple the die to external portions of the frame.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: July 3, 2012
    Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.
    Inventors: Hun K. Lee, Sai M. Lee, Li C. Tai
  • Patent number: 8207015
    Abstract: A method of manufacture of an integrated circuit packaging system includes: applying a conductive material on a support structure; providing a bottom integrated circuit package having a bottom lead extended therefrom; attaching the bottom lead to the conductive material; stacking a top integrated circuit package over the bottom integrated circuit package, the top integrated circuit package having a top lead extending therefrom and the top lead over the bottom lead; attaching a conductive paste at an end portion of the top lead; and forming a stacking joint by flowing the conductive paste and the conductive material, the stacking joint below the top lead as well as below and above the bottom lead.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: June 26, 2012
    Assignee: STATS ChipPAC Ltd.
    Inventors: Guo Qiang Shen, Jae Hak Yee, Denver Zhu
  • Patent number: 8198137
    Abstract: Systems and methods for electrically isolating conductive members on an array of lead frames. In one embodiment, a system includes a stage for positioning the array to receive laser radiation, a computer system and electro-optical components. The system can sever conductive members from one another by laser ablation effected with programmable scanning of light from a laser. Software effects ablation paths along a plurality of lines across the array of lead frames. In a related method, the array is of a specified design and of the type formed on a sheet having a plurality lead frames interconnected through integrally formed dam bars. Reference information is provided to describe geometric or dimensional features, including predefined laser ablation scan paths for performing cuts along predefined cut lines on each lead frame. The cut lines are specific to the lead frame array design. Fiducial markings are located on the sheet.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: June 12, 2012
    Inventor: Jon Heyl
  • Patent number: 8198108
    Abstract: The semiconductor device 1 comprises a housing 12 which has a recess 24 in the front surface 1; a pair of lead electrodes 20 which have the distal ends 34 exposed in the recess 24, protrude from the external surface of the housing 12, and are bent along the bottom surface 16 of the housing 12; and a semiconductor element 36 which is housed in the recess 24 and is electrically connected to the pair of lead electrodes 20. The housing 12 has grooves 30 which are formed on the pair of side surfaces 18 which adjoin the front surface 14 and the bottom surface 16 on the right and left sides so as to penetrate the housing 12 from the top surface 28 toward the bottom surface 16 of the housing 12. The grooves 30 preferably have width substantially equal to the thickness of the lead electrode 20. The grooves 30 are more preferably formed to be flush with the distal ends 34 of the lead electrode 20.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: June 12, 2012
    Assignee: Nichia Corporation
    Inventor: Saiki Yamamoto
  • Patent number: 8201135
    Abstract: A method for managing error information of a printed circuit board layout system is provided. The system provides an error file recording names of all the errors to be displayed in wiring diagrams, generates wiring diagram files, outputs a first user interface showing one wiring diagram. Each of the wiring diagram files includes an attribute table for describing error information. The attribute table comprises the names and the set of coordinates. The method comprises obtaining the error file and the attribute table, outputting a second user interface comprising a first display area and a second display area, outputting the name in the first display area, analyzing the obtained attribute table to provide a classifying table. Then outputting one selected name and at least one set of coordinates corresponding to the one selected name in the second display area according to the classifying table. A related system is also provided.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: June 12, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Xiao-Cheng Sheng
  • Patent number: 8193618
    Abstract: A semiconductor die package. The semiconductor die package includes a leadframe structure comprising a first lead structure comprising a die attach pad, a second lead structure, and a third lead structure. It also includes a semiconductor die comprising a first surface and a second surface. The semiconductor die is on the die attach pad of the leadframe structure. The first surface is proximate the die attach pad. The semiconductor die package further includes a clip structure comprising a first interconnect structure and a second interconnect structure, the first interconnect structure comprising a planar portion and a protruding portion, the protruding portion including an exterior surface and side surfaces defining the exterior surface. The protruding portion extends from the planar portion of the first interconnect structure.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: June 5, 2012
    Assignee: Fairchild Semiconductor Corporation
    Inventor: Ruben P. Madrid
  • Patent number: 8193037
    Abstract: A method of manufacture of an integrated circuit packaging system includes: forming a lead having a horizontal ridge at a lead top side; forming a connection layer having an inner pad and an outer pad directly on the lead top side, the inner pad having an inner pad bottom surface; mounting an integrated circuit over the inner pad; applying a molding compound, having a molding bottom surface, over the integrated circuit, the inner pad, and the outer pad; and applying a dielectric directly on the molding bottom surface and the inner pad bottom surface.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: June 5, 2012
    Assignee: Stats Chippac Ltd.
    Inventors: Henry Descalzo Bathan, Zigmund Ramirez Camacho, Dioscoro A. Merilo, Emmanuel Espiritu
  • Patent number: 8183088
    Abstract: Semiconductor die packages are disclosed. An exemplary semiconductor die package includes a premolded substrate. The premolded substrate can have a semiconductor die attached to it, and an encapsulating material may be disposed over the semiconductor die.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: May 22, 2012
    Assignee: Fairchild Semiconductor Corporation
    Inventors: Oseob Jeon, Yoonhwa Choi, Boon Huan Gooi, Maria Cristina B. Estacio, Rajeev Joshi, Chung-Lin Wu, Venkat Iyer, Byoung-Ok Lee
  • Patent number: 8173454
    Abstract: Disclosed is a light emitting diode package, including a metal body including a cavity for receiving a light emitting diode therein, a lens mount for mounting thereon a lens through which light is transmitted, a heat sink for dissipating heat, a lead insertion recess formed on a bottom surface of the metal body so that a lead is inserted therein, and a bonding hole formed to communicate with the lead insertion recess and passing through the cavity of the metal body; and a lead seated into the lead insertion recess of the metal body and insulation bonded to the bottom surface of the metal body by means of an insulating binder, so that an insulation type bonding relationship between the metal body and the lead is maintained stable. A method of manufacturing the light emitting diode package is also provided.
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: May 8, 2012
    Assignee: Intops LED Co., Ltd.
    Inventors: Hyung Tae Kim, Yong Hun Choi, Nag Jong Choi
  • Patent number: 8174096
    Abstract: A stamped leadframe for a leadless package and a method of manufacturing the same are provided wherein the leadframe has at least a die pad, a frame, tie bars connecting the die pad to the frame and a plurality of leads. Each lead comprises a first portion and a second portion, and the second portion is connected substantially parallel to and displaced relative to the first portion by a distance that is less than the thickness of the first portion. Portions of the tie-bars and/or die pad may be similarly displaced.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: May 8, 2012
    Assignee: ASM Assembly Materials Ltd.
    Inventors: Tat Chi Chan, Man Shing Cheng
  • Patent number: 8163604
    Abstract: An integrated circuit package system includes a conductive substrate. A heat sink and a plurality of leads are etched in the substrate to define a conductive film connecting the heat sink and the plurality of leads to maintain their spatial relationship. A die is attached to the heat sink and wire bonded to the plurality of leads. An encapsulant is formed over the die, the heat sink, and the plurality of leads. The conductive film is etched away to expose the encapsulant and the bottom surfaces of the heat sink and the plurality of leads. Wave soldering is used to form solder on at least the plurality of leads. Multiple heat sinks and hanging leads are provided.
    Type: Grant
    Filed: October 13, 2005
    Date of Patent: April 24, 2012
    Assignee: STATS ChipPAC Ltd.
    Inventors: You Yang Ong, Cheong Chiang Ng, Suhairi Mohmad
  • Patent number: 8163601
    Abstract: A method of making a chip-exposed semiconductor package comprising the steps of: plating a plurality of electrode on a front face of each chip on a wafer; grinding a backside of the wafer and depositing a back metal then separating each chips; mounting the chips with the plating electrodes adhering onto a front face of a plurality of paddle of a leadframe; adhering a tape on the back metal and encapsulating with a molding compound; removing the tape and sawing through the leadframe and the molding compound to form a plurality of packaged semiconductor devices.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: April 24, 2012
    Assignee: Alpha & Omega Semiconductor, Inc.
    Inventors: Yuping Gong, Yan Xun Xue
  • Publication number: 20120094438
    Abstract: A frame includes heat slug pads coupled together in a N×M matrix such that singulation of the heat slug pads consists of one or more parallel passes across the frame. Each heat slug pad has a top exposed surface and a bottom interfacing surface. The bottom interfacing surface typically interfaces with a package. In some embodiments, the top exposed surface is modified. Alternatively, the bottom interfacing surface is modified. Alternatively, both surfaces are modified. A modified top exposed surface can include a pattern to increase the top exposed surface area. A modified bottom interfacing surface can include a pattern to increase the bottom interfacing surface area, provide reference points, or both. Alternatively or in addition to, the modified bottom interfacing surface can be plated to increase the bottom interfacing surface area. A patterned surface can be obtained via a stamping process or an etching process.
    Type: Application
    Filed: December 21, 2011
    Publication date: April 19, 2012
    Applicant: UTAC THAI LIMITED
    Inventor: Saravuth Sirinorakul
  • Patent number: 8159052
    Abstract: A chip assembly includes a chip, a paddle, an interface layer, a frequency extending device, and lands. The chip has contacts. The interface layer is disposed between the chip and the paddle. The frequency extending device has at least a conductive layer and a dielectric layer. The conductive layer has conductive traces. The frequency extending device is disposed adjacent to the side of the chip and overlying the paddle. The lands are disposed adjacent to the side of the paddle. The contacts are connected to the conductive traces. The conductive traces are connected to the lands. The frequency extending device is configured to reduce impedance discontinuity such that the impedance discontinuity produced by the frequency extending device is less than an impedance discontinuity that would be produced by bond wires each having a length greater than or substantially equal to the distance between the contacts and the lands.
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: April 17, 2012
    Assignee: Semtech Corporation
    Inventors: Binneg Y. Lao, William W. Chen
  • Patent number: 8153478
    Abstract: A method for manufacturing an integrated circuit package system includes: forming a die paddle; forming an under paddle leadframe including lower leadfingers thereon; attaching the under paddle leadframe to the die paddle with the lower leadfingers extending under the die paddle; attaching a die to the die paddle; and planarizing a bottom surface of the under paddle leadframe to separate the lower leadfingers under the die paddle.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: April 10, 2012
    Assignee: STATS ChipPAC Ltd.
    Inventors: Guruprasad Badakere Govindaiah, Arnel Trasporto
  • Publication number: 20120074561
    Abstract: One aspect of the invention pertains to an arrangement for forming exposed die packages. The arrangement includes a semiconductor wafer having multiple integrated circuit dice whose back surfaces cooperate to form the back surface of the wafer. A thermally conductive adhesive layer is deposited on the back surface of the wafer. The metal foil is attached to the wafer with the adhesive layer. Methods of forming exposed die packages using the above arrangement are also described.
    Type: Application
    Filed: September 27, 2010
    Publication date: March 29, 2012
    Applicant: NATIONAL SEMICONDUCTOR CORPORATION
    Inventors: Nghia T. TU, Will K. WONG, Jamie A. BAYAN
  • Patent number: 8143080
    Abstract: A method for manufacturing a number of LED packages includes following steps: providing an electrode plate and at least one insulating plate; thermally pressing the electrode plate and the at least insulating plate together, wherein the electrode has a plurality of first and second electrodes; grinding two ends of the electrode plate to expose the first and second electrodes for obtaining a substrate; disposing a plurality of LED chips on the substrate plate and electrically connecting the LED chips to the first and second electrodes; and cutting the substrate plate to obtain the number of LED packages.
    Type: Grant
    Filed: November 7, 2010
    Date of Patent: March 27, 2012
    Assignee: Advanced Optoelectronic Technology, Inc.
    Inventor: Shen-Bo Lin