Patents by Inventor Seng Guan Chow

Seng Guan Chow has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8422243
    Abstract: An integrated circuit package system that includes: providing an electrical interconnect system including a support structure and a lead-finger system; processing a top edge of the support structure along an outermost periphery thereof, to include a recess for preventing mold bleed, the recess surrounded by the lead finger system; and encapsulating the recess and the electrical interconnect system with an encapsulation material to interlock the encapsulation material.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: April 16, 2013
    Assignee: Stats Chippac Ltd.
    Inventors: Seng Guan Chow, Antonio B. Dimaano, Jr.
  • Patent number: 8409920
    Abstract: An integrated circuit package system and method of manufacture therefor includes: forming an area array substrate; mounting surface conductors on the area array substrate; forming a molded package body on the area array substrate and the surface conductors; providing a step in the molded package body; and exposing a surface conductor by the step.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: April 2, 2013
    Assignee: Stats Chippac Ltd.
    Inventors: Rajendra D. Pendse, Flynn Carson, Il Kwon Shim, Seng Guan Chow
  • Patent number: 8405228
    Abstract: A method of manufacture of an integrated circuit packaging system includes: providing a sacrificial carrier assembly having a stack interconnector thereover; mounting an integrated circuit having a connector over the sacrificial carrier assembly with the connector over the stack interconnector; dispensing an underfill material between the sacrificial carrier assembly and the integrated circuit with the underfill material substantially free of a void; encapsulating the integrated circuit over the sacrificial carrier assembly and the underfill material; exposing the stack interconnector by removing the sacrificial carrier assembly; and forming a base array over the underfill material and the stack interconnector.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: March 26, 2013
    Assignee: STATS Chippac Ltd.
    Inventors: Rui Huang, Heap Hoe Kuan, Yaojian Lin, Seng Guan Chow
  • Publication number: 20130069241
    Abstract: A semiconductor device has a first insulating layer formed over a carrier. A first conductive layer is formed over the first insulating layer. A second insulating layer is formed over the first conductive layer. Vias are formed through the second insulating layer. A second conductive layer is formed over the second insulating layer and extends into the vias. A semiconductor die is mounted to the second conductive layer. A bond wire is formed between a contact pad on the semiconductor die and the second conductive layer. The second conductive layer extends to a mounting site of the semiconductor die to minimize the bond wire span. An encapsulant is deposited over the semiconductor die. A portion of the first insulating layer is removed to expose the second conductive layer. A portion of the first conductive layer is removed to electrically isolate remaining portions of the first conductive layer.
    Type: Application
    Filed: September 20, 2011
    Publication date: March 21, 2013
    Applicant: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Rui Huang, Heap Hoe Kuan, Seng Guan Chow
  • Patent number: 8399305
    Abstract: A semiconductor wafer contains a plurality of semiconductor die separated by saw streets. A dam material is formed over the saw streets around each of the semiconductor die. A plurality of openings is formed in the dam material. The openings in the dam material can be formed on each side or corners of the first semiconductor die. The semiconductor wafer is singulated through the dam material to separate the semiconductor die. The semiconductor die is mounted to a substrate. A mold underfill is deposited through a first opening in the dam material. A vacuum is drawn on a second opening in the dam material to cause the underfill material to cover an area between the first semiconductor die and substrate without voids. The number of second openings can be greater than the number of first openings. The first opening can be larger than the second opening.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: March 19, 2013
    Assignee: STATS ChipPac, Ltd.
    Inventors: Rui Huang, Seng Guan Chow, Heap Hoe Kuang
  • Patent number: 8395251
    Abstract: An integrated circuit package to package stacking system is provided including providing a first integrated circuit package, having a configured leadframe, providing a second integrated circuit package, having the configured leadframe, and forming an integrated circuit package pair by electrically connecting the configured leadframe of the first integrated circuit package to the configured leadframe of the second integrated circuit package.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: March 12, 2013
    Assignee: STATS ChipPac Ltd.
    Inventors: Il Kwon Shim, Seng Guan Chow, Jeffrey D. Punzalan, Byung Joon Han, Kambhampati Ramakrishna
  • Patent number: 8390108
    Abstract: A method of manufacture of an integrated circuit packaging system includes: fabricating a base package substrate; coupling a conductive column lead frame to the base package substrate by: providing a lead frame support, patterning a conductive material on the lead frame support including forming an interconnect securing structure, and coupling the conductive material to the base package substrate; forming a base package body between the base package substrate and the conductive column lead frame; and removing the lead frame support from the conductive column lead frame for exposing the interconnect securing structure from the base package body.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: March 5, 2013
    Assignee: STATS ChipPAC Ltd.
    Inventors: NamJu Cho, HeeJo Chi, HanGil Shin, Rui Huang, Seng Guan Chow, Heap Hoe Kuan
  • Patent number: 8383457
    Abstract: A semiconductor device has a first semiconductor die mounted over a carrier. An interposer frame has an opening in the interposer frame and a plurality of conductive pillars formed over the interposer frame. The interposer is mounted over the carrier and first die with the conductive pillars disposed around the die. A cavity can be formed in the interposer frame to contain a portion of the first die. An encapsulant is deposited through the opening in the interposer frame over the carrier and first die. Alternatively, the encapsulant is deposited over the carrier and first die and the interposer frame is pressed against the encapsulant. Excess encapsulant exits through the opening in the interposer frame. The carrier is removed. An interconnect structure is formed over the encapsulant and first die. A second semiconductor die can be mounted over the first die or over the interposer frame.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: February 26, 2013
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Reza A. Pagaila, Seng Guan Chow, Seung Uk Yoon
  • Patent number: 8378502
    Abstract: An integrated circuit package system includes: an integrated circuit die including an image sensor system having interconnects connected thereto; and a transparent encapsulant on the integrated circuit die with portions of the interconnects exposed and with only the transparent encapsulant over the image sensor system to comprise an image sensor device.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: February 19, 2013
    Assignee: Stats Chippac Ltd.
    Inventors: Seng Guan Chow, Heap Hoe Kuan
  • Patent number: 8368199
    Abstract: A method for manufacturing an integrated circuit package system includes: forming a stack module including: providing a stack die and encapsulating the stack die with an insulating material having a protruding support and a pad connected to the stack die; mounting the stack module on a package base; connecting the pad to the package base; mounting a top die on the protruding support; connecting the top die to the package base; and encapsulating the top die, the package base, and the stack module with a package encapsulant.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: February 5, 2013
    Assignee: Stats Chippac Ltd.
    Inventors: Seng Guan Chow, Rui Huang, Heap Hoe Kuan
  • Patent number: 8354746
    Abstract: A semiconductor package is made using a prefabricated post carrier including a base plate and plurality of conductive posts. A film encapsulant is disposed over the base plate of the post carrier and around the conductive posts. A semiconductor die is mounted to a temporary carrier. The post carrier and temporary carrier are pressed together to embed the semiconductor die in the film encapsulant. The semiconductor die is disposed between the conductive posts in the film encapsulant. The temporary carrier and base plate of the post carrier are removed. A first circuit build-up layer is formed over a first side of the film encapsulant. The first circuit build-up layer is electrically connected to the conductive posts. A second circuit build-up layer is formed over a second side of the film encapsulant opposite the first side. The second circuit build-up layer is electrically connected to the conductive posts.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: January 15, 2013
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Rui Huang, Il Kwon Shim, Seng Guan Chow, Heap Hoe Kuan
  • Patent number: 8354304
    Abstract: A semiconductor package includes a post carrier having a base plate and plurality of conductive posts. A photosensitive encapsulant is deposited over the base plate of the post carrier and around the conductive posts. The photosensitive encapsulant is etched to expose a portion of the base plate of the post carrier. A semiconductor die is mounted to the base plate of the post carrier within the etched portions of the photosensitive encapsulant. A second encapsulant is deposited over the semiconductor die. A first circuit build-up layer is formed over the second encapsulant. The first circuit build-up layer is electrically connected to the conductive posts. The base plate of the post carrier is removed and a second circuit build-up layer is formed over the semiconductor die and the photosensitive encapsulant opposite the first circuit build-up layer. The second circuit build-up layer is electrically connected to the conductive posts.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: January 15, 2013
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Seng Guan Chow, Il Kwon Shim, Heap Hoe Kuan, Rui Huang
  • Patent number: 8354297
    Abstract: A semiconductor device has a first semiconductor die mounted over a carrier. Wettable contact pads can be formed over the carrier. A second semiconductor die is mounted over the first semiconductor die. The second die is laterally offset with respect to the first die. An electrical interconnect is formed between an overlapping portion of the first die and second die. A plurality of first conductive pillars is disposed over the first die. A plurality of second conductive pillars is disposed over the second die. An encapsulant is deposited over the first and second die and first and second conductive pillars. A first interconnect structure is formed over the encapsulant, first conductive pillars, and second die. The carrier is removed. A second interconnect structure is formed over the encapsulant, second conductive pillars, and first die. A third conductive pillar is formed between the first and second build-up interconnect structures.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: January 15, 2013
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Reza A. Pagaila, Seng Guan Chow, Seung Uk Yoon
  • Publication number: 20120306038
    Abstract: A semiconductor device has a substrate containing a transparent or translucent material. A spacer is mounted to the substrate. A first semiconductor die has an active region and first conductive vias electrically connected to the active region. The active region can include a sensor responsive to light received through the substrate. The first die is mounted to the spacer with the active region positioned over an opening in the spacer and oriented toward the substrate. An encapsulant is deposited over the first die and substrate. An interconnect structure is formed over the encapsulant and first die. The interconnect structure is electrically connected through the first conductive vias to the active region. A second semiconductor die having second conductive vias can be mounted to the first die with the first conductive vias electrically connected to the second conductive vias.
    Type: Application
    Filed: May 31, 2011
    Publication date: December 6, 2012
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Seng Guan Chow, Lee Sun Lim, Rui Huang, Xusheng Bao, Ma Phoo Pwint Hlaing
  • Publication number: 20120292750
    Abstract: An integrated circuit package system includes: providing 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; and molding a package body on the integrated circuit substrate and the internal stacking module.
    Type: Application
    Filed: July 31, 2012
    Publication date: November 22, 2012
    Inventors: Seng Guan Chow, Heap Hoe Kuan, Reza Argenty Pagaila
  • Publication number: 20120286422
    Abstract: A semiconductor device has a protective layer formed over an active surface of a semiconductor wafer. The semiconductor die with pre-applied protective layer are moved from the semiconductor wafer and mounted on a carrier. The semiconductor die and contact pads on the carrier are encapsulated. The carrier is removed. A first insulating layer is formed over the pre-applied protective layer and contact pads. Vias are formed in the first insulating layer and pre-applied protective layer to expose interconnect sites on the semiconductor die. An interconnect structure is formed over the first insulating layer in electrical contact with the interconnect sites on the semiconductor die and contact pads. The interconnect structure has a redistribution layer formed on the first insulating layer, a second insulating layer formed on the redistribution layer, and an under bump metallization layer formed over the second dielectric in electrical contact with the redistribution layer.
    Type: Application
    Filed: July 23, 2012
    Publication date: November 15, 2012
    Applicant: STATS CHIPPAC, LTD.
    Inventors: II Kwon Shim, Yaojian Lin, Seng Guan Chow
  • Patent number: 8309397
    Abstract: A method for fabricating an encapsulant cavity integrated circuit package system includes: providing an interposer; forming a first integrated circuit package with an inverted bottom terminal having an encapsulant cavity and the interposer; and attaching a component on the interposer in the encapsulant cavity.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: November 13, 2012
    Assignee: STATS ChipPAC Ltd.
    Inventors: Il Kwon Shim, Byung Joon Han, Kambhampati Ramakrishna, Seng Guan Chow
  • Patent number: 8304880
    Abstract: A method of manufacture of an integrated circuit packaging system includes: providing a bottom substrate; mounting a bottom integrated circuit over the bottom substrate; mounting a top substrate over a side of the bottom integrated circuit opposite the bottom substrate; connecting a top interconnect between the bottom substrate and the top substrate; and forming an underfill layer between the bottom substrate and the top substrate, the underfill layer encapsulating the top interconnect outside a perimeter of the bottom integrated circuit.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: November 6, 2012
    Assignee: Stats Chippac Ltd.
    Inventors: Seng Guan Chow, Hin Hwa Goh, Rui Huang, Heap Hoe Kuan
  • Patent number: 8299596
    Abstract: A method of manufacture of an integrated circuit packaging system includes: providing a base substrate having a component side; mounting a base device having a base circuit connector directly on the component side; attaching conformal interconnects, having the same pre-deformation height from the component side, directly on the component side and offset from the base device; and attaching a stack substrate having stack interconnects directly on the conformal interconnects, portions of the stack interconnects covered by the conformal interconnects having different deformation heights from the component side.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: October 30, 2012
    Assignee: Stats Chippac Ltd.
    Inventors: Rui Huang, Seng Guan Chow, Heap Hoe Kuan
  • Patent number: 8288844
    Abstract: A method of manufacture of an integrated circuit packaging system includes forming a lead frame including providing a tie bar plate, forming conductive columns on the tie bar plate, forming a dielectric layer on the conductive columns, applying a conductive shield layer on the dielectric layer, and exposing the conductive columns through the dielectric layer and the conductive shield layer; forming a base package substrate; mounting a base integrated circuit die on the base package substrate; mounting the tie bar plate, over the base integrated circuit die, conductively coupled to the base package substrate to form the conductive shield layer into an electro-magnetic interference shield; and removing the tie bar plate to expose the conductive columns from the dielectric layer.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: October 16, 2012
    Assignee: Stats Chippac Ltd.
    Inventors: Rui Huang, Seng Guan Chow, Heap Hoe Kuan