Patents by Inventor Jianmin Fang

Jianmin Fang 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).

  • Publication number: 20120175784
    Abstract: A semiconductor device is made with a conductive via formed through a top-side of the substrate. The conductive via extends vertically through less than a thickness of the substrate. An integrated passive device (IPD) is formed over the substrate. A plurality of first conductive pillars is formed over the first IPD. A first semiconductor die is mounted over the substrate. An encapsulant is formed around the first conductive pillars and first semiconductor die. A second IPD is formed over the encapsulant. An interconnect structure is formed over the second IPD. The interconnect structure operates as a heat sink. A portion of a back-side of the substrate is removed to expose the first conductive via. A second semiconductor die is mounted to the back-side of the substrate. The second semiconductor die is electrically connected to the first IPD and first semiconductor die through the conductive via.
    Type: Application
    Filed: March 20, 2012
    Publication date: July 12, 2012
    Applicant: STATS ChipPAC, LTD.
    Inventors: Yaojian Lin, Jianmin Fang, Kang Chen, Haijing Cao
  • Publication number: 20120146236
    Abstract: A semiconductor device has a semiconductor die mounted to a carrier. An encapsulant is deposited over the semiconductor die and carrier. The carrier is removed. A first insulating layer is formed over a portion of the encapsulant within an interconnect site outside a footprint of the semiconductor die. An opening is formed through the first insulating layer within the interconnect site to expose the encapsulant. The opening can be ring-shaped or vias around the interconnect site and within a central region of the interconnect site to expose the encapsulant. A first conductive layer is formed over the first insulating layer to follow a contour of the first insulating layer. A second conductive layer is formed over the first conductive layer and exposed encapsulant. A second insulating layer is formed over the second conductive layer. A bump is formed over the second conductive layer in the interconnect site.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 14, 2012
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Yaojian Lin, Kang Chen, Jianmin Fang
  • Publication number: 20120146181
    Abstract: A semiconductor device has an adhesive layer formed over a carrier. A semiconductor die has bumps formed over an active surface of the semiconductor die. The semiconductor die is mounted to the carrier with the bumps partially disposed in the adhesive layer to form a gap between the semiconductor die and adhesive layer. An encapsulant is deposited over the semiconductor die and within the gap between the semiconductor die and adhesive layer. The carrier and adhesive layer are removed to expose the bumps from the encapsulant. An insulating layer is formed over the encapsulant. A conductive layer is formed over the insulating layer in a wound configuration to exhibit inductive properties and electrically connected to the bumps. The conductive layer is partially disposed within a footprint of the semiconductor die. The conductive layer has a separation from the semiconductor die as determined by the gap and insulating layer.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 14, 2012
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Yaojian Lin, Kang Chen, Jianmin Fang
  • Patent number: 8193316
    Abstract: The subject invention relates generally to novel biologically active TACI-Fc fusion proteins that bind to BLyS and/or APRIL and uses thereof. The invention also relates to methods for recombinant production of homogeneous TACI-Fc fusion proteins on a large scale.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: June 5, 2012
    Inventors: Jianmin Fang, Zheng Liu
  • Patent number: 8193604
    Abstract: A semiconductor device includes an IPD structure, a first semiconductor die mounted to the IPD structure with a flipchip interconnect, and a plurality of first conductive posts that are disposed adjacent to the first semiconductor die. The semiconductor device further includes a first molding compound that is disposed over the first conductive posts and first semiconductor die, a core structure bonded to the first conductive posts over the first semiconductor die, and a plurality of conductive TSVs disposed in the core structure. The semiconductor device further includes a plurality of second conductive posts that are disposed over the core structure, a second semiconductor die mounted over the core structure, and a second molding compound disposed over the second conductive posts and the second semiconductor die. The second semiconductor die is electrically connected to the core structure.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: June 5, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Jianmin Fang, Kang Chen, Haijing Cao
  • Patent number: 8183095
    Abstract: A semiconductor wafer contains a plurality of semiconductor die separated by a saw street. An insulating layer is formed over the semiconductor wafer. A protective layer is formed over the insulating layer including an edge of the semiconductor die along the saw street. The protective layer covers an entire surface of the semiconductor wafer. Alternatively, an opening is formed in the protective layer over the saw street. The insulating layer has a non-planar surface and the protective layer has a planar surface. The semiconductor wafer is singulated through the protective layer and saw street to separate the semiconductor die while protecting the edge of the semiconductor die. Leading with the protective layer, the semiconductor die is mounted to a carrier. An encapsulant is deposited over the semiconductor die and carrier. The carrier and protective layer are removed. A build-up interconnect structure is formed over the semiconductor die and encapsulant.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: May 22, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Kang Chen, Jianmin Fang, Xia Feng
  • Patent number: 8183087
    Abstract: A semiconductor device is made by providing a temporary carrier for supporting the semiconductor device. An integrated passive device (IPD) is mounted to the temporary carrier using an adhesive. The IPD includes a capacitor and a resistor and has a plurality of through-silicon vias (TSVs). A discrete component is mounted to the temporary carrier using the adhesive. The discrete component includes a capacitor. The IPD and the discrete component are encapsulated using a molding compound. A first metal layer is formed over the molding compound. The first metal layer is connected to the TSVs of the IPD and forms an inductor. The temporary carrier and the adhesive are removed, and a second metal layer is formed over the IPD and the discrete component. The second metal layer interconnects the IPD and the discrete component and forms an inductor. An optional interconnect structure is formed over the second metal layer.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: May 22, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Jianmin Fang, Kang Chen, Haijing Cao
  • Publication number: 20120112340
    Abstract: A semiconductor device has a semiconductor die and conductive layer formed over a surface of the semiconductor die. A first channel can be formed in the semiconductor die. An encapsulant is deposited over the semiconductor die. A second channel can be formed in the encapsulant. A first insulating layer is formed over the semiconductor die and first conductive layer and into the first channel. The first insulating layer extends into the second channel. The first insulating layer has characteristics of tensile strength greater than 150 MPa, elongation between 35-150%, and thickness of 2-30 micrometers. A second insulating layer can be formed over the semiconductor die prior to forming the first insulating layer. An interconnect structure is formed over the semiconductor die and encapsulant. The interconnect structure is electrically connected to the first conductive layer. The first insulating layer provides stress relief during formation of the interconnect structure.
    Type: Application
    Filed: December 21, 2011
    Publication date: May 10, 2012
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Yaojian Lin, Pandi C. Marimuthu, Kang Chen, Hin Hwa Goh, Yu Gu, Il Kwon Shim, Rui Huang, Seng Guan Chow, Jianmin Fang, Xia Feng
  • Publication number: 20120115532
    Abstract: A method for determining an initial transmission power and a base station is provided. The method comprises: a base station acquiring a measurement result of a second cell reported by said user equipment, wherein a first cell in which a user equipment (UE) is located belongs to the base station, and said first cell and said second cell belong to different base stations; and determining an initial transmission power of said user equipment when initiating a random access in said second cell according to a reference signal power of said second cell, said measurement result and a random access initial received target power of said second cell. Success rate of handover of user equipment is improved.
    Type: Application
    Filed: May 31, 2010
    Publication date: May 10, 2012
    Inventors: Feng He, Jianmin Fang
  • Patent number: 8168470
    Abstract: A semiconductor device is made with a conductive via formed through a top-side of the substrate. The conductive via extends vertically through less than a thickness of the substrate. An integrated passive device (IPD) is formed over the substrate. A plurality of first conductive pillars is formed over the first IPD. A first semiconductor die is mounted over the substrate. An encapsulant is formed around the first conductive pillars and first semiconductor die. A second IPD is formed over the encapsulant. An interconnect structure is formed over the second IPD. The interconnect structure operates as a heat sink. A portion of a back-side of the substrate is removed to expose the first conductive via. A second semiconductor die is mounted to the back-side of the substrate. The second semiconductor die is electrically connected to the first IPD and first semiconductor die through the conductive via.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: May 1, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Jianmin Fang, Kang Chen, Haijing Cao
  • Publication number: 20120074534
    Abstract: A semiconductor wafer contains a plurality of semiconductor die separated by a saw street. A contact pad is formed over an active surface of the semiconductor die. A protective pattern is formed over the active surface of the semiconductor die between the contact pad and saw street of the semiconductor die. The protective pattern includes a segmented metal layer or plurality of parallel segmented metal layers. An insulating layer is formed over the active surface, contact pad, and protective pattern. A portion of the insulating layer is removed to expose the contact pad. The protective pattern reduces erosion of the insulating layer between the contact pad and saw street of the semiconductor die. The protective pattern can be angled at corners of the semiconductor die or follow a contour of the contact pad. The protective pattern can be formed at corners of the semiconductor die.
    Type: Application
    Filed: September 27, 2010
    Publication date: March 29, 2012
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Yaojian Lin, Xia Feng, Kang Chen, Jianmin Fang
  • Patent number: 8110477
    Abstract: A semiconductor device is made by providing an integrated passive device (IPD). Through-silicon vias (TSVs) are formed in the IPD. A capacitor is formed over a surface of the IPD by depositing a first metal layer over the IPD, depositing a resistive layer over the first metal layer, depositing a dielectric layer over the first metal layer, and depositing a second metal layer over the resistive and dielectric layers. The first metal layer and the resistive layer are electrically connected to form a resistor and the first metal layer forms a first inductor. A wafer supporter is mounted over the IPD using an adhesive material and a third metal layer is deposited over the IPD. The third metal layer forms a second inductor that is electrically connected to the capacitor and the resistor by the TSVs of the IPD. An interconnect structure is connected to the IPD.
    Type: Grant
    Filed: June 29, 2010
    Date of Patent: February 7, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Jianmin Fang, Kang Chen, Haijing Cao
  • Publication number: 20120018904
    Abstract: A semiconductor device has a semiconductor die and first conductive layer formed over a surface of the semiconductor die. A first insulating layer is formed over the surface of the semiconductor die. A second insulating layer is formed over the first insulating layer and first conductive layer. An opening is formed in the second insulating layer over the first conductive layer. A second conductive layer is formed in the opening over the first conductive layer and second insulating layer. The second conductive layer has a width that is less than a width of the first conductive layer along a first axis. The second conductive layer has a width that is greater than a width of the first conductive layer along a second axis perpendicular to the first axis. A third insulating layer is formed over the second conductive layer and first insulating layer.
    Type: Application
    Filed: July 12, 2011
    Publication date: January 26, 2012
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Yaojian Lin, Xia Feng, Jianmin Fang, Kang Chen
  • Publication number: 20120018874
    Abstract: A semiconductor device has a semiconductor die with an active surface. A first conductive layer is formed over the active surface. A first insulating layer is formed over the active surface. A second insulating layer is formed over the first insulating layer and first conductive layer. A portion of the second insulating layer is removed over the first conductive layer so that no portion of the second insulating layer overlies the first conductive layer. A second conductive layer is formed over the first conductive layer and first and second insulating layers. The second conductive layer extends over the first conductive layer up to the first insulating layer. Alternatively, the second conductive layer extends across the first conductive layer up to the first insulating layer on opposite sides of the first conductive layer. A third insulating layer is formed over the second conductive layer and first and second insulating layers.
    Type: Application
    Filed: July 12, 2011
    Publication date: January 26, 2012
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Yaojian Lin, Kang Chen, Jianmin Fang, Xia Feng
  • Publication number: 20110221041
    Abstract: A plurality of semiconductor die is mounted to a temporary carrier. An encapsulant is deposited over the semiconductor die and carrier. A portion of the encapsulant is designated as a saw street between the die, and a portion of the encapsulant is designated as a substrate edge around a perimeter of the encapsulant. The carrier is removed. A first insulating layer is formed over the die, saw street, and substrate edge. A first conductive layer is formed over the first insulating layer. A second insulating layer is formed over the first conductive layer and first insulating layer. The encapsulant is singulated through the first insulating layer and saw street to separate the semiconductor die. A channel or net pattern can be formed in the first insulating layer on opposing sides of the saw street, or the first insulating layer covers the entire saw street and molding area around the semiconductor die.
    Type: Application
    Filed: March 9, 2010
    Publication date: September 15, 2011
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Yaojian Lin, Kang Chen, Jianmin Fang, Xia Feng, Xusheng Bao
  • Publication number: 20110221057
    Abstract: A semiconductor wafer contains a plurality of semiconductor die separated by a saw street. An insulating layer is formed over the semiconductor wafer. A protective layer is formed over the insulating layer including an edge of the semiconductor die along the saw street. The protective layer covers an entire surface of the semiconductor wafer. Alternatively, an opening is formed in the protective layer over the saw street. The insulating layer has a non-planar surface and the protective layer has a planar surface. The semiconductor wafer is singulated through the protective layer and saw street to separate the semiconductor die while protecting the edge of the semiconductor die. Leading with the protective layer, the semiconductor die is mounted to a carrier. An encapsulant is deposited over the semiconductor die and carrier. The carrier and protective layer are removed. A build-up interconnect structure is formed over the semiconductor die and encapsulant.
    Type: Application
    Filed: February 17, 2011
    Publication date: September 15, 2011
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Yaojian Lin, Kang Chen, Jianmin Fang, Xia Feng
  • Publication number: 20110221055
    Abstract: A semiconductor wafer has a plurality of first semiconductor die. A first conductive layer is formed over an active surface of the die. A first insulating layer is formed over the active surface and first conductive layer. A repassivation layer is formed over the first insulating layer and first conductive layer. A via is formed through the repassivation layer to the first conductive layer. The semiconductor wafer is singulated to separate the semiconductor die. The semiconductor die is mounted to a temporary carrier. An encapsulant is deposited over the semiconductor die and carrier. The carrier is removed. A second insulating layer is formed over the repassivation layer and encapsulant. A second conductive layer is formed over the repassivation layer and first conductive layer. A third insulating layer is formed over the second conductive layer and second insulating layer. An interconnect structure is formed over the second conductive layer.
    Type: Application
    Filed: March 15, 2010
    Publication date: September 15, 2011
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Yaojian Lin, Kang Chen, Jianmin Fang, Xia Feng
  • Publication number: 20110163414
    Abstract: A semiconductor device includes a first conductive layer and conductive pillars disposed over the first conductive layer and directly contacting the first conductive layer. The semiconductor device includes an Integrated Passive Device (IPD) mounted to the first conductive layer such that the IPD is disposed between the conductive pillars. The IPD is self-aligned to the first conductive layer, and includes a metal-insulator-metal capacitor disposed over a first substrate and a wound conductive layer forming an inductor disposed over the first substrate. The semiconductor device includes a discrete capacitor mounted over the first conductive layer. The discrete capacitor is electrically connected to one of the conductive pillars. The semiconductor device includes an encapsulant disposed around the IPD, discrete capacitor, and conductive pillars, a first insulation layer disposed over the encapsulant and conductive pillars, and a second conductive layer disposed over the first insulating layer.
    Type: Application
    Filed: March 15, 2011
    Publication date: July 7, 2011
    Applicant: STATS ChiPAC, Ltd.
    Inventors: Yaojian Lin, Haijing Cao, Kang Chen, Jianmin Fang
  • Publication number: 20110127668
    Abstract: A semiconductor wafer has a first conductive layer formed over its active surface. A first insulating layer is formed over the substrate and first conductive layer. A second conductive layer is formed over the first conductive layer and first insulating layer. A UBM layer is formed around a bump formation area over the second conductive layer. The UBM layer can be two stacked metal layers or three stacked metal layers. The second conductive layer is exposed in the bump formation area. A second insulating layer is formed over the UBM layer and second conductive layer. A portion of the second insulating layer is removed over the bump formation area and a portion of the UBM layer. A bump is formed over the second conductive layer in the bump formation area. The bump contacts the UBM layer to seal a contact interface between the bump and second conductive layer.
    Type: Application
    Filed: December 1, 2009
    Publication date: June 2, 2011
    Applicant: STATS CHIPPAC, LTD.
    Inventors: Yaojian Lin, Jianmin Fang, Kang Chen
  • Patent number: 7935570
    Abstract: A semiconductor device has a first insulation layer formed over a sacrificial substrate. A first conductive layer is formed over the first insulating layer. Conductive pillars are formed over the first conductive layer. A pre-fabricated IPD is disposed between the conductive pillars. An encapsulant is formed around the IPD and conductive pillars. A second insulation layer is formed over the encapsulant. The conductive pillars are electrically connected to the first and second conductive layers. The first and second conductive layers each include an inductor. Semiconductor devices are mounted over the first and second insulating layer and electrically connected to the first and second conductive layers, respectively. An interconnect structure is formed over the first and second insulating layers, respectively, and electrically connected to the first and second conductive layers. The sacrificial substrate is removed.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: May 3, 2011
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Jianmin Fang, Kang Chen, Haijing Cao