Patents Represented by Attorney Patent Law Group: Atkins & Associates, P.C.
  • Patent number: 8288202
    Abstract: A semiconductor device has a substrate with a die attach area. A conductive layer is formed over a surface of the substrate and extending below the surface. An insulating layer is formed over the surface of the substrate outside the die attach area. A portion of the conductive layer is removed within the die attach area to expose sidewalls of the substrate. The remaining portion of the conductive layer is recessed below the surface of the substrate within the die attach area. A semiconductor die has bumps formed over its active surface. The semiconductor die is mounted to the substrate by bonding the bumps to the remaining portion of the first conductive layer recessed below the first surface of the substrate. The sidewalls of the substrate retain the bumps during bonding to the remaining portion of the conductive layer. An encapsulant is deposited between the semiconductor die and substrate.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: October 16, 2012
    Assignee: STATS ChiPAC, Ltd.
    Inventors: KyuWon Lee, HyunSu Shin, Hun Jeong, JinGwan Kim, SunYoung Chun
  • Patent number: 8288203
    Abstract: A semiconductor device has a carrier. A semiconductor wafer including a semiconductor die is mounted to the carrier with an active surface of the semiconductor die facing away from the carrier. A plurality of bumps is formed over the active surface of the semiconductor die. An opening is formed in a periphery of the semiconductor die. An encapsulant is deposited over the carrier and semiconductor die, in the opening, and around the plurality of bumps such that an exposed portion of the plurality of bumps is devoid of encapsulant. A conductive via is formed through the encapsulant, within the opening, and extends to the carrier. A conductive layer is formed over the encapsulant and electrically connects to the conductive via and the exposed portion of the plurality of bumps. The carrier is removed to expose an end of the conductive via.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: October 16, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: SungWon Cho, JoonYoung Choi, DaeSik Choi
  • 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: 8288201
    Abstract: A semiconductor die has first and second discrete semiconductor components mounted over a plurality of wettable contact pads formed on a carrier. Conductive pillars are formed over the wettable contact pads. A semiconductor die is mounted to the conductive pillars over the first discrete components. The conductive pillars provide vertical stand-off of the semiconductor die as headroom for the first discrete components. The second discrete components are disposed outside a footprint of the semiconductor die. Conductive TSV can be formed through the semiconductor die. An encapsulant is deposited over the semiconductor die and first and second discrete components. The wettable contact pads reduce die and discrete component shifting during encapsulation. A portion of a back surface of the semiconductor die is removed to reduce package thickness. An interconnect structure is formed over the encapsulant and semiconductor die. Third discrete semiconductor components can be mounted over the semiconductor die.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: October 16, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Reza A. Pagaila, Yaojian Lin, Jun Mo Koo
  • Patent number: 8283250
    Abstract: A semiconductor device is made from a semiconductor wafer containing semiconductor die separated by a peripheral region. A conductive via-in-via structure is formed in the peripheral region or through an active region of the device to provide additional tensile strength. The conductive via-in-via structure includes an inner conductive via and outer conductive via separated by insulating material. A middle conductive via can be formed between the inner and outer conductive vias. The inner conductive via has a first cross-sectional area adjacent to a first surface of the semiconductor device and a second cross-sectional area adjacent to a second surface of the semiconductor device. The outer conductive via has a first cross-sectional area adjacent to the first surface of the semiconductor device and a second cross-sectional area adjacent to the second surface of the semiconductor device. The first cross-sectional area is different from the second cross-sectional area.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: October 9, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Lionel Chien Hui Tay, Jianmin Fang, Zigmund R. Camacho
  • Patent number: 8283205
    Abstract: A semiconductor die has a first semiconductor die mounted to a carrier. A plurality of conductive pillars is formed over the carrier around the first die. An encapsulant is deposited over the first die and conductive pillars. A first stepped interconnect layer is formed over a first surface of the encapsulant and first die. The first stepped interconnect layer has a first opening. A second stepped interconnect layer is formed over the first stepped interconnect layer. The second stepped interconnect layer has a second opening. The carrier is removed. A build-up interconnect structure is formed over a second surface of the encapsulant and first die. A second semiconductor die over the first semiconductor die and partially within the first opening. A third semiconductor die is mounted over the second die and partially within the second opening. A fourth semiconductor die is mounted over the second stepped interconnect layer.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: October 9, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Reza A. Pagaila, Byung Tai Do, Linda Pei Ee Chua
  • Patent number: 8283209
    Abstract: A PiP semiconductor device has an inner known good semiconductor package. In the semiconductor package, a first via is formed in a temporary carrier. A first conductive layer is formed over the carrier and into the first via. The first conductive layer in the first via forms a conductive bump. A first semiconductor die is mounted to the first conductive layer. A first encapsulant is deposited over the first die and carrier. The semiconductor package is mounted to a substrate. A second semiconductor die is mounted to the first conductive layer opposite the first die. A second encapsulant is deposited over the second die and semiconductor package. A second via is formed in the second encapsulant to expose the conductive bump. A second conductive layer is formed over the second encapsulant and into the second via. The second conductive layer is electrically connected to the second die.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: October 9, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Zigmund R. Camacho, Frederick R. Dahilig, Lionel Chien Hui Tay
  • Patent number: 8278144
    Abstract: A solder mask for flip chip interconnection has a common opening that spans a plurality of circuit elements. The solder mask allows confinement of the solder during the remelt stage of interconnection, yet it is within common design rules for solder mask patterning. Also, a substrate for flip chip interconnection includes a substrate having the common opening that spans a plurality of circuit elements. Also, a flip chip package includes a substrate having a common opening that spans a plurality of circuit elements.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: October 2, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventor: Rajendra D. Pendse
  • Patent number: 8273604
    Abstract: A semiconductor device can include a carrier substrate, and a first semiconductor die disposed on a surface of the carrier substrate. An encapsulant can be disposed over the first semiconductor die and the carrier substrate. The semiconductor device can include first vias disposed through the encapsulant as well as second vias disposed through the encapsulant to expose first contact pads. The first contact pads are on upper surfaces of the first semiconductor die. The semiconductor device can include conductive pillars that fill the first vias, and first conductive metal vias (CMVs) that fill the second vias. The conductive pillar can include a first conductive material, and the first CMVs can be in contact with the first contact pads. The semiconductor device can include a conductive layer disposed over the encapsulant. The conductive layer can electrically connect one of the first CMVs with one of the conductive pillars.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: September 25, 2012
    Assignee: STAT ChipPAC, Ltd.
    Inventors: OhHan Kim, SungWon Cho, DaeSik Choi, KyuWon Lee, DongSoo Moo
  • Patent number: 8269575
    Abstract: A semiconductor device has an RF balun formed over a substrate. The RF balun includes a first conductive trace wound to exhibit inductive properties with a first end coupled to a first terminal of the semiconductor device and second end coupled to a second terminal of the semiconductor device. A first capacitor is coupled between the first and second ends of the first conductive trace. A second conductive trace is wound to exhibit inductive properties with a first end coupled to a third terminal of the semiconductor device and second end coupled to a fourth terminal of the semiconductor device. The first conductive trace is formed completely within the second conductive trace. The first conductive trace and second conductive trace can have an oval, circular, or polygonal shape separated by 50 micrometers. A second capacitor is coupled between the first and second ends of the second conductive trace.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: September 18, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Robert C. Frye, Kai Liu
  • Patent number: 8268677
    Abstract: A semiconductor device has a plurality of conductive vias formed partially through a substrate. A conductive layer is formed over the substrate and electrically connected to the conductive vias. A semiconductor die is mounted over the substrate. An encapsulant is deposited over the semiconductor die and substrate. A trench is formed through the encapsulant around the semiconductor die. A shielding layer is formed over the encapsulant. The trench is formed partially through the substrate and the shielding layer is formed in the trench partially through the substrate. An insulating layer can be formed in the trench prior to forming the shielding layer. A portion of the substrate is removed to expose the conductive vias. An interconnect structure is formed over the substrate opposite the semiconductor die. The interconnect structure is electrically connected to the conductive vias. The shielding layer is electrically connected to the interconnect structure.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: September 18, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventor: Reza A. Pagaila
  • Patent number: 8269308
    Abstract: A semiconductor device is made by forming an oxide layer over a substrate and forming a first conductive layer over the oxide layer. The first conductive layer is connected to ground. A second conductive layer is formed over the first conductive layer as a plurality of segments. A third conductive layer is formed over the second conductive layer as a plurality of segments. If the conductive layers are electrically isolated, then a conductive via is formed through these layers. A first segment of the third conductive layer operates as a first passive circuit element. A second segment operates as a second passive circuit element. A third segment is connected to ground and operates as a shield disposed between the first and second segments. The shield has a height at least equal to a height of the passive circuit elements to block cross-talk between the passive circuit elements.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: September 18, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: YongTaek Lee, Gwang Kim, ByungHoon Ahn
  • Patent number: 8263437
    Abstract: A semiconductor device has a first conductive layer formed over a sacrificial substrate. A first integrated passive device (IPD) is formed in a first region over the first conductive layer. A conductive pillar is formed over the first conductive layer. A high-resistivity encapsulant greater than 1.0 kohm-cm is formed over the first IPD to a top surface of the conductive pillar. A second IPD is formed over the encapsulant. The first encapsulant has a thickness of at least 50 micrometers to vertically separate the first and second IPDs. An insulating layer is formed over the second IPD. The sacrificial substrate is removed and a second semiconductor die is disposed on the first conductive layer. A first semiconductor die is formed in a second region over the substrate. A second encapsulant is formed over the second semiconductor die and a thermally conductive layer is formed over the second encapsulant.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: September 11, 2012
    Assignee: STATS ChiPAC, Ltd.
    Inventors: Yaojian Lin, Jianmin Fang, Kang Chen, Haijing Cao
  • Patent number: 8264059
    Abstract: A semiconductor device includes a multi-layer substrate. A ground shield is disposed between layers of the substrate and electrically connected to a ground point. A plurality of semiconductor die is mounted to the substrate over the ground shield. The ground shield extends beyond a footprint of the plurality of semiconductor die. An encapsulant is formed over the plurality of semiconductor die and substrate. Dicing channels are formed in the encapsulant, between the plurality of semiconductor die, and over the ground shield. A plurality of metal-filled holes is formed along the dicing channels, and extends into the substrate and through the ground shield. A top shield is formed over the plurality of semiconductor die and electrically and mechanically connects to the ground shield through the metal-filled holes. The top and ground shields are configured to block electromagnetic interference generated with respect to an integrated passive device disposed in the semiconductor die.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: September 11, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: OhHan Kim, SunMi Kim, KyungHoon Lee
  • Patent number: 8263435
    Abstract: A semiconductor wafer contains a plurality of first semiconductor die. The semiconductor wafer is mounted to a carrier. A channel is formed through the semiconductor wafer to separate the first semiconductor die. A second semiconductor die is mounted to the first semiconductor die. An encapsulant is deposited over the carrier and first semiconductor die and into the channel while a side portion and surface portion of the second semiconductor die remain exposed from the encapsulant. A first conductive via is formed through the encapsulant in the channel. A second conductive via is formed through the encapsulant over a contact pad of the first semiconductor die. A conductive layer is formed over the encapsulant between the first and second conductive vias. An insulating layer is formed over the conductive layer and encapsulant. The carrier is removed. An interconnect structure is formed over the first conductive via.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: September 11, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: DaeSik Choi, WonJun Ko, JaEun Yun
  • Patent number: 8264080
    Abstract: A semiconductor device has a first interconnect structure. A first semiconductor die has an active surface oriented towards and mounted to a first surface of the first interconnect structure. A first encapsulant is deposited over the first interconnect structure and first semiconductor die. A second semiconductor die has an active surface oriented towards and mounted to a second surface of the first interconnect structure opposite the first surface. A plurality of first conductive pillars is formed over the second surface of the first interconnect structure and around the second semiconductor die. A second encapsulant is deposited over the second semiconductor die and around the plurality of first conductive pillars. A second interconnect structure including a conductive layer and bumps is formed over the second encapsulant and electrically connects to the plurality of first conductive pillars and the first and second semiconductor die.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: September 11, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventor: Reza A. Pagaila
  • Patent number: 8263439
    Abstract: A semiconductor device has a carrier for supporting the semiconductor device. A first semiconductor die is mounted over the carrier. A first dummy die having a first through-silicon via (TSV) is mounted over the carrier. The first semiconductor die and the first dummy die are encapsulated using a wafer molding material. The carrier is removed. A first redistribution layer (RDL) is formed over a first surface of the first semiconductor die and a first surface of the first dummy die to electrically connect the first TSV and a contact pad of the first semiconductor die. An insulation layer is formed over the first RDL. A second RDL is formed over a second surface of the first dummy die opposite the first surface of the first dummy die and electrically connected to the first TSV. A semiconductor package is connected to the second RDL.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: September 11, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Pandi Chelvam Marimuthu, Nathapong Suthiwongsunthorn, Il Kwon Shim, Kock Liang Heng
  • Patent number: 8263434
    Abstract: A semiconductor device has a substrate with a cavity formed through first and second surfaces of the substrate. A conductive TSV is formed through a first semiconductor die, which is mounted in the cavity. The first semiconductor die may extend above the cavity. An encapsulant is deposited over the substrate and a first surface of the first semiconductor die. A portion of the encapsulant is removed from the first surface of the first semiconductor die to expose the conductive TSV. A second semiconductor die is mounted to the first surface of the first semiconductor die. The second semiconductor die is electrically connected to the conductive TSV. An interposer is disposed between the first semiconductor die and second semiconductor die. A third semiconductor die is mounted over a second surface of the first semiconductor die. A heat sink is formed over a surface of the third semiconductor die.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: September 11, 2012
    Assignee: STATS ChipPAC, Ltd.
    Inventors: Reza A. Pagaila, Heap Hoe Kuan, Dioscoro A. Merilo
  • Patent number: 8266012
    Abstract: The present invention relates to a supplying method for interior material ordered to a user who can connect to a server through a network, wherein the server memorizes a program which enables the user to plan a design of the interior material which is operable on the user's web browser, and the supplying method for interior material ordered comprises the steps of: connecting to the server by the web browser of the user, transferring the program which enables the user to plan a design of the interior material from the server to the web browser of the user, receiving execution results of the program which enables the user to plan a design of the interior material from the web browser by the server, digital printing designs on a printing layer of the interior material, based on the execution results of the program which enables the user to plan a design of the interior materials, manufacturing a finished product of interior material including the printing layer digital printed of the interior material, and deliv
    Type: Grant
    Filed: May 7, 2007
    Date of Patent: September 11, 2012
    Inventor: Doo Ho Chung
  • Patent number: 8258012
    Abstract: A semiconductor wafer has a plurality of semiconductor die separated by a saw street. The wafer is mounted to dicing tape. The wafer is singulated through the saw street to expose side surfaces of the semiconductor die. An ESD protection layer is formed over the semiconductor die and around the exposed side surfaces of the semiconductor die. The ESD protection layer can be a metal layer, encapsulant film, conductive polymer, conductive ink, or insulating layer covered by a metal layer. The ESD protection layer is singulated between the semiconductor die. The semiconductor die covered by the ESD protection layer are mounted to a temporary carrier. An encapsulant is deposited over the ESD protection layer covering the semiconductor die. The carrier is removed. An interconnect structure is formed over the semiconductor die and encapsulant. The ESD protection layer is electrically connected to the interconnect structure to provide an ESD path.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: September 4, 2012
    Assignee: Stats ChipPAC, Ltd.
    Inventors: Reza A. Pagaila, Jose A. Caparas, Pandi C. Marimuthu