Patents Assigned to Chipmos Technologies Inc.
  • Patent number: 8264068
    Abstract: A multi-chip stack package structure comprises a substrate, which has a chip placement area defined on its upper surface and a plurality of contacts disposed outside the chip placement area; a first chip is disposed in the chip placement area with the rear surface, a plurality of first pads being disposed on the active surface and a plurality of first bumps each being formed on one of the first pads; a plurality of metal wires connect the first bumps to the contacts; a second chip with a plurality of second pads being disposed on the active surface and a plurality of second bumps each being formed on one of the second pads, the second chip being mounted to the first chip with its active surface facing the active surface of the first chip, wherein the second bumps correspondingly connect the metal wires and the first bumps respectively.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: September 11, 2012
    Assignee: Chipmos Technologies Inc.
    Inventors: David Wei Wang, An-Hong Liu, Hsiang-Ming Huang, Jar-Dar Yang, Yi-Chang Lee
  • Patent number: 8253235
    Abstract: A semiconductor packaging substrate with improved capability of electrostatic dissipation comprises a dielectric layer, a plurality of leads, a plurality of first electrostatic guiding traces, a plurality of second electrostatic guiding traces and a solder mask. The first electrostatic guiding traces and the second electrostatic guiding traces are formed in pairs in a plurality of electrostatic dissipation regions on the dielectric layer, where each pair of the first and second electrostatic guiding traces are disposed in equal line spacing and are electrically isolated from each other. The solder mask partially covers the leads but exposes the first electrostatic guiding traces and the second electrostatic guiding traces. The first electrostatic guiding traces are connected to some of the leads to enhance protection against electrostatic discharge.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: August 28, 2012
    Assignee: Chipmos Technologies Inc.
    Inventors: Tsung Lung Chen, Ming Hsun Li
  • Patent number: 8245193
    Abstract: The present invention discloses an automatic method and system for generating and filtering out the innovation proposals. Particularly, it is about a system, which generates all the possible element code sets, compares them to the code sets of existing objects or documents, and then filters out the novel element code sets. The system comprises a standard element depository, a permutation and combination module, a testing object processing module, a matching module, a sifting module, and an output module.
    Type: Grant
    Filed: May 13, 2008
    Date of Patent: August 14, 2012
    Assignees: Chipmos Technologies Inc, Gainia Intellectual Asset Services, Inc
    Inventors: Chun-Fang Cheng, Geng-Shin Shen, Hui-Chung Che, Hou-Bai Lee
  • Patent number: 8237249
    Abstract: A stacked multichip package comprises a first chip having a first active surface and a first rear surface, a first chip carrier having a first opening and being configured to carrier the first active surface, a plurality of first conductive leads passing through the first opening and being configured to electrically connect the first active surface and the first chip carrier, a second chip having a second active surface and a second rear surface, an adhesive layer configured to enclose the first conductive leads and to electrically couple the first chip carrier to the second rear surface, a second chip carrier having a second opening and being electrically connected to the second active surface, and a plurality of conductive leads passing through the second opening and being configured to electrically connect the second active surface and the second chip carrier.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: August 7, 2012
    Assignee: Chipmos Technologies Inc.
    Inventor: Geng Hsin Shen
  • Patent number: 8211789
    Abstract: A manufacturing method of a bump structure having a reinforcement member is disclosed. First, a substrate including pads and a passivation layer is provided. The passivation layer has first openings, and each first opening exposes a portion of the corresponding pad respectively. Next, an under ball metal (UBM) material layer is formed on the substrate to cover the passivation layer and the pads exposed by the passivation layer. Bumps are formed on the UBM material layer and the lower surface of each bump is smaller than that of the opening. Each reinforcement member formed on the UBM material layer around each bump contacts with each bump, and the material of the reinforcement member is a polymer. The UBM material layer is patterned to form UBM layers and the lower surface of each UBM layer is larger than that of each corresponding opening. Hence, the bump has a planar upper surface.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: July 3, 2012
    Assignee: ChipMOS Technologies Inc.
    Inventor: Cheng-Tang Huang
  • Patent number: 8212347
    Abstract: The present invention provides a chip-stacked package structure with leadframe having bus bar, comprising: a leadframe composed of a plurality of inner leads arranged in rows facing each other, a plurality of outer leads, and a die pad, wherein the die pad is provided between the plurality of inner leads and is vertically distant from the plurality of inner leads; a chip-stacked structure formed with a plurality of chips that stacked together and set on the die pad, the plurality of chips and the plurality of inner leads being electrically connected with each other; and an encapsulant covering over the chip-stacked package structure and the leadframe, in which the leadframe comprises at least a bus bar, which is provided between the plurality of inner leads arranged in rows facing each other and the die pad.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: July 3, 2012
    Assignees: ChipMOS Technologies Inc, ChipMOS Technologies (Bermuda) Ltd
    Inventors: Geng-Shin Shen, Wu-Chang Tu
  • Patent number: 8207603
    Abstract: The present invention provides a stacked chip package structure with leadframe having inner leads with transfer pad, comprising: a leadframe composed of a plurality of inner leads arranged in rows facing each other, a plurality of outer leads, and a die pad, wherein the die pad is provided between the plurality of inner leads arranged in rows facing each other and vertically distant from the plurality of inner leads; an offset chip-stacked structure formed with a plurality of chips stacked together, the offest chip-stacked structure being set on the die pad and electrically connected to the plurality of inner leads arranged in rows facing each other; and an encapsulant covering the offset chip-stacked structure and the leadframe, the plurality of outer leads extending out of said encapsulant; the improvement of which being that the inner leads of the leadframe are coated with an insulating layer and a plurality of metal pads are selectively formed on the insulating layer.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: June 26, 2012
    Assignees: Chipmos Technologies Inc, Chipmos Technologies (Bermuda) Ltd
    Inventors: Geng-Shin Shen, Wu-Chang Tu
  • Publication number: 20120153460
    Abstract: A manufacturing method of a bump structure is provided. A substrate having at least one pad and a passivation layer is provided. The passivation layer has at least one first opening exposing the pad. An insulating layer is formed on the passivation layer. The insulating layer has at least one second opening located above the first opening. A metal layer is formed on the insulating layer. The metal layer electrically connects the pad through the first and second openings. A first bump is formed in the first and second openings. A second bump is formed on the first bump and a portion of the metal layer. The metal layer not covered by the second bump is partially removed by using the second bump as a mask, so as to form at least one UBM layer. The first bump is completely covered by the UBM layer and the second bump.
    Type: Application
    Filed: September 5, 2011
    Publication date: June 21, 2012
    Applicant: CHIPMOS TECHNOLOGIES INC.
    Inventor: Chung-Pang Chi
  • Publication number: 20120153449
    Abstract: A manufacturing method of a non-leaded package structure is provided. An upper surface and a lower surface of a metal base plate are patterned so as to form a plurality of first protruding parts and at least a second protruding part on the upper surface and to form a plurality of first recess patterns on the lower surface corresponding to the first protruding parts. A first solder layer is formed in each of the first recess patterns respectively. A chip is mounted on the second protruding part and electrically connected to the first protruding parts with a plurality of bonding wires. An encapsulant is formed on the upper surface. A back etching process is performed on the lower surface to partially remove the metal base plate until the encapsulant is exposed and a lead group including at least a die pad and a plurality of leads is defined.
    Type: Application
    Filed: February 18, 2011
    Publication date: June 21, 2012
    Applicant: CHIPMOS TECHNOLOGIES INC.
    Inventor: Shih-Wen Chou
  • Patent number: 8169061
    Abstract: The present invention provides a chip-stacked package structure with leadframe having bus bar, comprising: a leadframe composed of a plurality of inner leads arranged in rows facing each other, a plurality of outer leads, and a die pad, wherein the die pad is provided between the plurality of inner leads and is vertically distant from the plurality of inner leads; a chip-stacked structure formed with a plurality of chips that stacked together and set on the die pad, the plurality of chips and the plurality of inner leads being electrically connected with each other; and an encapsulant covering over the chip-stacked package structure and the leadframe, in which the leadframe comprises at least a bus bar, which is provided between the plurality of inner leads arranged in rows facing each other and the die pad.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: May 1, 2012
    Assignees: Chipmos Technologies Inc, Chipmos Technologies (Bermuda) Ltd
    Inventors: Geng-Shin Shen, Wu-Chang Tu
  • Publication number: 20120091570
    Abstract: A chip packaging method includes the steps of: attaching a first tape to a metal plate; patterning the metal plate to form a plurality of terminal pads and a plurality of leads, wherein the plurality of terminal pads and the plurality of leads are disposed on two opposite sides of a central void region, the plurality of terminal pads on each side are arranged in at least two rows spaced apart from each other in the direction away from the central void region, and each lead has a first end portion extending to the central void region and a second end portion connecting to a corresponding terminal pad; attaching a second tape having openings to the plurality of terminal pads, wherein each of the openings exposes the central void region and the first end portions of the leads; removing the first tape; attaching a chip to the plurality of terminal pads and the plurality of leads, wherein a plurality of bond pads on the chip are corresponding to the central void region; and connecting the bond pads to the first en
    Type: Application
    Filed: June 23, 2011
    Publication date: April 19, 2012
    Applicant: CHIPMOS TECHNOLOGIES INC.
    Inventors: YU TANG PAN, SHIH WEN CHOU
  • Patent number: 8148827
    Abstract: The present invention relates to a quad flat no lead (QFN) package is provided. In the invention, a plurality of first pads are disposed outside an extension area of a conductive circuit layer, and a plurality of second pads are disposed inside a die bonding area of the conductive circuit layer, wherein the extension area surrounds the die bonding area. First ends of a plurality of traces are connected to the second pads, and second ends of the traces are located in the extension area. An insulating layer fills at least the die bonding area and the extension area, and exposes top surfaces and bottom surfaces of the second pads. A chip is mounted at the die bonding area and a plurality of wires electrically connect the chip to the first pads and the second ends of the traces respectively. An encapsulation material is used to cover the conductive circuit layer, the chip and the wires.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: April 3, 2012
    Assignee: Chipmos Technologies Inc.
    Inventors: Yu-Tang Pan, Shih-Wen Chou
  • Patent number: 8105876
    Abstract: A leadframe employed by a leadless package comprises a plurality of package units and an adhesive tape. Each of the package units has a die pad with a plurality of openings and a plurality of pins disposed in the plurality of openings. The adhesive tape is adhered to the surfaces of the plurality of package units and fixes the die pad and the plurality of pins.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: January 31, 2012
    Assignee: Chipmos Technologies Inc.
    Inventors: Chun Ying Lin, Geng Shin Shen, Yu Tang Pan, Shih Wen Chou
  • Patent number: 8106494
    Abstract: A leadframe employed by a leadless package comprises a plurality of package units and an adhesive tape. Each of the package units has a die pad with a plurality of openings and a plurality of pins disposed in the plurality of openings. The adhesive tape is adhered to the surfaces of the plurality of package units and fixes the die pad and the plurality of pins.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: January 31, 2012
    Assignee: Chipmos Technologies Inc.
    Inventors: Chun Ying Lin, Geng Shin Shen, Yu Tang Pan, Shih Wen Chou
  • Patent number: 8093106
    Abstract: This invention relates to a packaging structure and method for manufacturing the packaging structure. The packaging structure comprises a substrate film, a plurality of chips, a compound resin layer and a support layer. The substrate film is formed with circuits having a plurality of terminals exposed from a solder mask. The chips, each of which has a plurality of pads, under bump metals (UBMs) formed on the pads, and composite bumps disposed onto the UBMs, are bonded onto the substrate film to form the first tape. The second tape comprises the support layer and the compound resin layer formed on the support layer. The first tape and the second tape are both in reel-form and are expanded towards a pair of rollers to be heated and pressurized for encapsulating the chips.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: January 10, 2012
    Assignee: Chipmos Technologies Inc.
    Inventors: Jun-Yong Wang, Geng-Shin Shen
  • Publication number: 20110304045
    Abstract: A thermally enhanced electronic package comprises a chip, a substrate, an adhesive, and an encapsulation. The adhesive or the encapsulation is mixed with carbon nanocapsules. The substrate includes an insulation layer and a wiring layer formed on the substrate. The adhesive covers the chip and the substrate. The chip is electrically connected to the wiring layer. The encapsulation covers the chip and the substrate.
    Type: Application
    Filed: May 26, 2011
    Publication date: December 15, 2011
    Applicant: CHIPMOS TECHNOLOGIES INC.
    Inventors: AN HONG LIU, DAVID WEI WANG
  • Publication number: 20110304991
    Abstract: A thermally enhanced electronic package comprises a driver chip, an insulator, a flexible carrier, and carbon nanocapsules. The flexible carrier includes a flexible substrate, a wiring layer formed on the substrate, and a resistant overlaying the wiring layer. The driver chip is connected to the wiring layer. The insulator is filled in the gap between the driver chip and the flexible carrier. The carbon nanocapsules are disposed on the driver chip, on the resistant, on the flexible carrier, or in the insulator to enhance heat dissipation of electronic packages.
    Type: Application
    Filed: November 18, 2010
    Publication date: December 15, 2011
    Applicant: CHIPMOS TECHNOLOGIES INC.
    Inventors: TZU HSIN HUANG, YU TING YANG, HUNG HSIN LIU, AN HONG LIU, GENG SHIN SHEN, DAVID WEI WANG, SHIH FU LEE
  • Publication number: 20110298124
    Abstract: A semiconductor structure is provided. By using a composite bump with replace of a gold bump, the consumption of gold can be reduced and the manufacturing cost can be decreased accordingly. Moreover, by using an encapsulation material formed on a metal layer, the heat transferring efficiency of the semiconductor structure can be improved and the stability thereof can be increased.
    Type: Application
    Filed: October 6, 2010
    Publication date: December 8, 2011
    Applicant: Chipmos Technologies Inc.
    Inventor: Geng-Shin Shen
  • Patent number: 8071471
    Abstract: A packaging conductive structure for a semiconductor substrate and a method for manufacturing the structure are provided. The structure comprises an under bump metal (UBM) that overlays a pad of the semiconductor substrate. At least one auxiliary component is disposed on the UBM. Then, a bump conductive layer is disposed thereon and a bump is subsequently formed on the bump conductive layer. Thus, the bump can electrically connect to the pad of the semiconductor substrate through the UBM and the bump conductive layer and can provide better junction buffer capabilities and conductivity.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: December 6, 2011
    Assignee: Chipmos Technologies Inc.
    Inventor: Jhong Bang Chyi
  • Publication number: 20110291273
    Abstract: A chip bump structure is formed on a substrate. The substrate includes at least one contact pad and a dielectric layer. The dielectric layer has at least one opening. The at least one opening exposes the at least one contact pad. The chip bump structure includes at least one elastic bump, at least one first metal layer, at least one second metal layer, and at least one solder ball. The at least one elastic bump covers a central portion of the at least one contact pad. The at least one first metal layer covers the at least one elastic bump. The at least one first metal layer has a portion of the at least one contact pad. The portion of the at least one contact pad is not overlaid by the at least one elastic bump. The at least one second metal layer is formed on a portion of the at least one first metal layer. The portion of the at least one first metal layer is located on the top of the at least one elastic bump. The at least one solder ball is formed on the at least one second metal layer.
    Type: Application
    Filed: May 10, 2011
    Publication date: December 1, 2011
    Applicant: CHIPMOS TECHNOLOGIES INC.
    Inventor: CHENG TANG HUANG