Patents by Inventor Yaojian Lin

Yaojian Lin 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: 20160276237
    Abstract: A semiconductor device has a semiconductor die. A first insulating layer is disposed over the semiconductor die. A first via is formed in the first insulating layer over a contact pad of the semiconductor die. A first conductive layer is disposed over the first insulating layer and in the first via. A second insulating layer is disposed over a portion of the first insulating layer and first conductive layer. An island of the second insulating layer is formed over the first conductive layer and within the first via. The first conductive layer adjacent to the island is devoid of the second insulating layer. A second conductive layer is disposed over the first conductive layer, second insulating layer, and island. The second conductive layer has a corrugated structure. A width of the island is greater than a width of the first via.
    Type: Application
    Filed: May 31, 2016
    Publication date: September 22, 2016
    Applicant: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Seng Guan Chow
  • Patent number: 9449925
    Abstract: A semiconductor device has integrated passive circuit elements. A first substrate is formed on a backside of the semiconductor device. The passive circuit element is formed over the insulating layer. The passive circuit element can be an inductor, capacitor, or resistor. A passivation layer is formed over the passive circuit element. A carrier is attached to the passivation layer. The first substrate is removed. A non-silicon substrate is formed over the insulating layer on the backside of the semiconductor device. The non-silicon substrate is made with glass, molding compound, epoxy, polymer, or polymer composite. An adhesive layer is formed between the non-silicon substrate and insulating layer. A via is formed between the insulating layer and first passivation layer. The carrier is removed. An under bump metallization is formed over the passivation layer in electrical contact with the passive circuit element. A solder bump is formed on the under bump metallization.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: September 20, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Haijing Cao, Qing Zhang, Kang Chen, Jianmin Fang
  • Patent number: 9449943
    Abstract: A semiconductor device has a substrate. A conductive via is formed through the substrate. A plurality of first contact pads is formed over a first surface of the substrate. A plurality of second contact pads is formed over a second surface of the substrate. A dummy pattern is formed over the second surface of the substrate. An indentation is formed in a sidewall of the substrate. An opening is formed through the substrate. An encapsulant is deposited in the opening. An insulating layer is formed over second surface of the substrate. A dummy opening is formed in the insulating layer. A semiconductor die is disposed adjacent to the substrate. An encapsulant is deposited over the semiconductor die and substrate. The first surface of the substrate includes a width that is greater than a width of the second surface of the substrate.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: September 20, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Kang Chen, Hin Hwa Goh, Ii Kwon Shim
  • Patent number: 9443797
    Abstract: A semiconductor device has a substrate and semiconductor die disposed over a first surface of the substrate. A wire stud is attached to the first surface of the substrate. The wire stud includes a base portion and stem portion. A bonding pad is formed over a second surface of the substrate. An encapsulant is deposited over the substrate, semiconductor die, and wire stud. A portion of the encapsulant is removed by LDA to expose the wire stud. A portion of the encapsulant is removed by LDA to expose the substrate. An interconnect structure is formed over the encapsulant and electrically connected to the wire stud and semiconductor die. A bump is formed over the interconnect structure. A semiconductor package is disposed over the encapsulant and electrically connected to the substrate. A discrete semiconductor device is disposed over the encapsulant and electrically connected to the substrate.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 13, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Pandi C. Marimuthu, Sheila Marie L. Alvarez, Yaojian Lin, Jose A. Caparas, Yang Kern Jonathan Tan
  • Patent number: 9437538
    Abstract: A semiconductor device has a first semiconductor die with a sloped side surface. The first semiconductor die is mounted to a temporary carrier. An RDL extends from a back surface of the first semiconductor die along the sloped side surface of the first semiconductor die to the carrier. An encapsulant is deposited over the carrier and a portion of the RDL along the sloped side surface. The back surface of the first semiconductor die and a portion of the RDL is devoid of the encapsulant. The temporary carrier is removed. An interconnect structure is formed over the encapsulant and exposed active surface of the first semiconductor die. The RDL is electrically connected to the interconnect structure. A second semiconductor die is mounted over the back surface of the first semiconductor die. The second semiconductor die has bumps electrically connected to the RDL.
    Type: Grant
    Filed: June 1, 2014
    Date of Patent: September 6, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Reza A. Pagaila, Yaojian Lin, Jun Mo Koo
  • Patent number: 9437552
    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: Grant
    Filed: August 1, 2014
    Date of Patent: September 6, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Kang Chen, Jianmin Fang, Xia Feng, Xusheng Bao
  • Patent number: 9418878
    Abstract: A semiconductor device is made by providing a temporary carrier and providing a semiconductor die having a plurality of bumps formed on its active surface. An adhesive material is deposited as a plurality of islands or bumps on the carrier or active surface of the semiconductor die. The adhesive layer can also be deposited as a continuous layer over the carrier or active surface of the die. The semiconductor die is mounted to the carrier. An encapsulant is deposited over the die and carrier. The adhesive material holds the semiconductor die in place to the carrier while depositing the encapsulant. An interconnect structure is formed over the active surface of the die. The interconnect structure is electrically connected to the bumps of the semiconductor die. The adhesive material can be removed prior to forming the interconnect structure, or the interconnect structure can be formed over the adhesive material.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: August 16, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Reza A. Pagaila, Yaojian Lin
  • Publication number: 20160214857
    Abstract: A microelectromechanical system (MEMS) semiconductor device has a first and second semiconductor die. A first semiconductor die is embedded within an encapsulant together with a modular interconnect unit. Alternatively, the first semiconductor die is embedded within a substrate. A second semiconductor die, such as a MEMS die, is disposed over the first semiconductor die and electrically connected to the first semiconductor die through an interconnect structure. In another embodiment, the first semiconductor die is flip chip mounted to the substrate, and the second semiconductor die is wire bonded to the substrate adjacent to the first semiconductor die. In another embodiment, first and second semiconductor die are embedded in an encapsulant and are electrically connected through a build-up interconnect structure. A lid is disposed over the semiconductor die. In a MEMS microphone embodiment, the lid, substrate, or interconnect structure includes an opening over a surface of the MEMS die.
    Type: Application
    Filed: January 27, 2016
    Publication date: July 28, 2016
    Applicant: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Il Kwon Shim
  • Patent number: 9401331
    Abstract: A semiconductor device is made by forming a first conductive layer over a carrier. The first conductive layer has a first area electrically isolated from a second area of the first conductive layer. A conductive pillar is formed over the first area of the first conductive layer. A semiconductor die or component is mounted to the second area of the first conductive layer. A first encapsulant is deposited over the semiconductor die and around the conductive pillar. A first interconnect structure is formed over the first encapsulant. The first interconnect structure is electrically connected to the conductive pillar. The carrier is removed. A portion of the first conductive layer is removed. The remaining portion of the first conductive layer includes an interconnect line and UBM pad. A second interconnect structure is formed over a remaining portion of the first conductive layer is removed.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: July 26, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Xusheng Bao, Kang Chen, Jianmin Fang
  • Publication number: 20160197059
    Abstract: A semiconductor device is made by providing a substrate, forming a first insulation layer over the substrate, forming a first conductive layer over the first insulation layer, forming a second insulation layer over the first conductive layer, and forming a second conductive layer over the second insulation layer. A portion of the second insulation layer, first conductive layer, and second conductive layer form an integrated passive device (IPD). The IPD can be an inductor, capacitor, or resistor. A plurality of conductive pillars is formed over the second conductive layer. One conductive pillar removes heat from the semiconductor device. A third insulation layer is formed over the IPD and around the plurality of conductive pillars. A shield layer is formed over the IPD, third insulation layer, and conductive pillars. The shield layer is electrically connected to the conductive pillars to shield the IPD from electromagnetic interference.
    Type: Application
    Filed: March 14, 2016
    Publication date: July 7, 2016
    Applicant: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Jianmin Fang, Kang Chen, Haijing Cao
  • Publication number: 20160197022
    Abstract: A semiconductor wafer contains a plurality of semiconductor die each having a plurality of contact pads. A sacrificial adhesive is deposited over the contact pads. Alternatively, the sacrificial adhesive is deposited over the carrier. An underfill material can be formed between the contact pads. The semiconductor wafer is singulated to separate the semiconductor die. The semiconductor die is mounted to a temporary carrier such that the sacrificial adhesive is disposed between the contact pads and temporary carrier. An encapsulant is deposited over the semiconductor die and carrier. The carrier and sacrificial adhesive is removed to leave a via over the contact pads. An interconnect structure is formed over the encapsulant. The interconnect structure includes a conductive layer which extends into the via for electrical connection to the contact pads. The semiconductor die is offset from the interconnect structure by a height of the sacrificial adhesive.
    Type: Application
    Filed: March 11, 2016
    Publication date: July 7, 2016
    Applicant: STATS ChipPAC, Ltd.
    Inventors: Reza A. Pagaila, Yaojian Lin, Jun Mo Koo
  • Patent number: 9385052
    Abstract: A semiconductor device has a first interconnect structure formed over the carrier. A semiconductor die is disposed over the first interconnect structure after testing the first interconnect structure to be known good. The semiconductor die in a known good die. A vertical interconnect structure, such as a bump or stud bump, is formed over the first interconnect structure. A discrete semiconductor device is disposed over the first interconnect structure or the second interconnect structure. An encapsulant is deposited over the semiconductor die, first interconnect structure, and vertical interconnect structure. A portion of the encapsulant is removed to expose the vertical interconnect structure. A second interconnect structure is formed over the encapsulant and electrically connected to the vertical interconnect structure. The first interconnect structure or the second interconnect structure includes an insulating layer with an embedded glass cloth, glass cross, filler, or fiber.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 5, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Kang Chen
  • Patent number: 9385006
    Abstract: A semiconductor device includes a ball grid array (BGA) package including first bumps. A first semiconductor die is mounted to the BGA package between the first bumps. The BGA package and first semiconductor die are mounted to a carrier. A first encapsulant is deposited over the carrier and around the BGA package and first semiconductor die. The carrier is removed to expose the first bumps and first semiconductor die. An interconnect structure is electrically connected to the first bumps and first semiconductor die. The BGA package further includes a substrate and a second semiconductor die mounted, and electrically connected, to the substrate. A second encapsulant is deposited over the second semiconductor die and substrate. The first bumps are formed over the substrate opposite the second semiconductor die. A warpage balance layer is formed over the BGA package.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: July 5, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Kang Chen
  • Patent number: 9385102
    Abstract: A semiconductor device includes a semiconductor die. An encapsulant is formed around the semiconductor die. A build-up interconnect structure is formed over a first surface of the semiconductor die and encapsulant. A first supporting layer is formed over a second surface of the semiconductor die as a supporting substrate or silicon wafer disposed opposite the build-up interconnect structure. A second supporting layer is formed over the first supporting layer an includes a fiber enhanced polymer composite material comprising a footprint including an area greater than or equal to an area of a footprint of the semiconductor die. The semiconductor die comprises a thickness less than 450 micrometers (?m). The thickness of the semiconductor die is at least 1 ?m less than a difference between a total thickness of the semiconductor device and a thickness of the build-up interconnect structure and the second supporting layer.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: July 5, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Kang Chen, Yu Gu
  • Patent number: 9385009
    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 the encapsulant and semiconductor die. First vias are formed through the first insulating layer to expose contact pads of the semiconductor die. A first conductive layer is formed over the first insulating layer and into the first vias to electrically connect to the contact pads of the semiconductor die. A second insulating layer is formed over the first insulating layer and first conductive layer. Second vias are formed through the second insulating layer by laser direct ablation and aligned or offset with the first vias to expose the first conductive layer. A second conductive layer is formed over the second insulating layer and into the second vias. Conductive vias can be formed through the encapsulant.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: July 5, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Rui Huang, Kang Cheng, Gu Yu
  • Patent number: 9368563
    Abstract: A semiconductor device has a first semiconductor die. A first inductor is formed over the first semiconductor die. A second inductor is formed over the first inductor and aligned with the first inductor. An insulating layer is formed over the first semiconductor die and the first and second inductors. A conductive bridge is formed over the insulating layer and electrically connected between the second inductor and the first semiconductor die. In one embodiment, the semiconductor device has a second semiconductor die and a conductive layer is formed between the first and second semiconductor die. In another embodiment, a capacitor is formed over the first semiconductor die. In another embodiment, the insulating layer has a first thickness over a footprint of the first semiconductor die and a second thickness less than the first thickness outside the footprint of the first semiconductor die.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: June 14, 2016
    Assignee: STATS ChipPAC Pte. Ltd.
    Inventors: Yaojian Lin, Kai Liu, Kang Chen
  • Patent number: 9349723
    Abstract: A flip chip semiconductor device has a substrate with a plurality of active devices formed thereon. A passive device is formed on the substrate by depositing a first conductive layer over the substrate, depositing an insulating layer over the first conductive layer, and depositing a second conductive layer over the insulating layer. The passive device is a metal-insulator-metal capacitor. The deposition of the insulating layer and first and second conductive layers is performed without photolithography. An under bump metallization (UBM) layer is formed on the substrate in electrical contact with the plurality of active devices. A solder bump is formed over the UBM layer. The passive device can also be a resistor by depositing a resistive layer over the first conductive layer and depositing a third conductive layer over the resistive layer. The passive device electrically contacts the solder bump.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: May 24, 2016
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Haijing Cao, Qing Zhang, Robert C. Frye
  • Publication number: 20160141238
    Abstract: A semiconductor device has a semiconductor die with an encapsulant deposited over and around the semiconductor die. An interconnect structure is formed over a first surface of the encapsulant. An opening is formed from a second surface of the encapsulant to the first surface of the encapsulant to expose a surface of the interconnect structure. A bump is formed recessed within the opening and disposed over the surface of the interconnect structure. A semiconductor package is provided. The semiconductor package is disposed over the second surface of the encapsulant and electrically connected to the bump. A plurality of interconnect structures is formed over the semiconductor package to electrically connect the semiconductor package to the bump. The semiconductor package includes a memory device. The semiconductor device includes a height less than 1 millimeter. The opening includes a tapered sidewall formed by laser direct ablation.
    Type: Application
    Filed: January 27, 2016
    Publication date: May 19, 2016
    Applicant: STATS ChipPAC, Ltd.
    Inventors: Seung Wook Yoon, Jose A. Caparas, Yaojian Lin, Pandi C. Marimuthu, Kang Chen, Xusheng Bao, Jianmin Fang
  • Patent number: 9343396
    Abstract: A semiconductor wafer contains semiconductor die. A first conductive layer is formed over the die. A resistive layer is formed over the die and first conductive layer. A first insulating layer is formed over the die and resistive layer. The wafer is singulated to separate the die. The die is mounted to a temporary carrier. An encapsulant is deposited over the die and carrier. The carrier and a portion of the encapsulant and first insulating layer is removed. A second insulating layer is formed over the encapsulant and first insulating layer. A second conductive layer is formed over the first and second insulating layers. A third insulating layer is formed over the second insulating layer and second conductive layer. A third conductive layer is formed over the third insulating layer and second conductive layer. A fourth insulating layer is formed over the third insulating layer and third conductive layer.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: May 17, 2016
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Yaojian Lin, Robert C. Frye, Pandi Chelvam Marimuthu, Kai Liu
  • Patent number: 9337116
    Abstract: A semiconductor substrate has a plurality of different size recesses formed in the substrate to provide a stepped interposer. A conductive via can be formed through the stepped interposer. An insulating layer follows a contour of the stepped interposer. A conductive layer is formed over the insulating layer following the contour of the stepped interposer. A first semiconductor die is partially disposed in a first recess and electrically connected to the conductive layer. A second semiconductor die is partially disposed in a second recess and electrically connected to the conductive layer. The first semiconductor die is electrically connected to the second semiconductor die through the conductive layer. The first and second semiconductor die can be flipchip type semiconductor die. An encapsulant is deposited over the first and second semiconductor die. A portion of the stepped interposer can be removed to reduce thickness.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: May 10, 2016
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Reza A. Pagaila, Yaojian Lin, Jun Mo Koo