Patents by Inventor Sam Ziqun Zhao

Sam Ziqun Zhao 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: 9293393
    Abstract: An exemplary implementation of the present disclosure includes a stacked package having a top die from a top reconstituted wafer situated over a bottom die from a bottom reconstituted wafer. The top die and the bottom die are insulated from one another by an insulation arrangement. The top die and the bottom die are also interconnected through the insulation arrangement. The insulation arrangement can include a top molding compound that flanks the top die and a bottom molding compound that flanks the bottom die. The top die and the bottom die can be interconnected through at least the top molding compound. Furthermore, the top die and the bottom die can be interconnected through a conductive via that extends within the insulation arrangement.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: March 22, 2016
    Assignee: Broadcom Corporation
    Inventors: Kevin Kunzhong Hu, Sam Ziqun Zhao, Rezaur Rahman Khan, Pieter Vorenkamp, Sampath K. V. Karikalan, Xiangdong Chen
  • Patent number: 9286121
    Abstract: Embodiments of the present invention are directed to a wire-free data center/server. The data center/server is wire-free in the sense that communication within a data unit of the data center/server (i.e., intra-data unit), between data units of the data center/server (inter-data unit), and between the data units and the backplane of the data center/server is performed wirelessly.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: March 15, 2016
    Assignee: Broadcom Corporation
    Inventors: Ahmadreza Rofougaran, Arya Reza Behzad, Sam Ziqun Zhao, Jesus Alfonso Castaneda, Michael Boers
  • Patent number: 9275976
    Abstract: There are disclosed herein various implementations of a system-in-package with integrated socket. In one such implementation, the system-in-package includes a first active die having a first plurality of electrical connectors on a top surface of the first active die, an interposer situated over the first active die, and a second active die having a second plurality of electrical connectors on a bottom surface of the second active die. The interposer is configured to selectively couple at least one of the first plurality of electrical connectors to at least one of the second plurality of electrical connectors. In addition, a socket encloses the first and second active dies and the interposer, the socket being electrically coupled to at least one of the first active die, the second active die, and the interposer.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: March 1, 2016
    Assignee: Broadcom Corporation
    Inventors: Sam Ziqun Zhao, Kevin Kunzhong Hu, Sampath K. V. Karikalan, Rezaur Rahman Khan, Pieter Vorenkamp, Xiangdong Chen
  • Publication number: 20160049348
    Abstract: A semiconductor package includes a semiconductor unit containing an active circuitry layer. The semiconductor package also includes a plurality of bonding pads on the active circuitry layer, which are configured to be connected to corresponding external conductive connectors. The semiconductor package also includes a protective sealant coating filling grooved edges of the active circuitry layer. The protective sealant coating contains an exterior wafer-singulated surface.
    Type: Application
    Filed: October 20, 2014
    Publication date: February 18, 2016
    Applicant: Broadcom Corporation
    Inventors: Sam Ziqun ZHAO, Galen KIRKPATRICK, Edward LAW, Reza KHAN, Ming Wang SZE
  • Publication number: 20160005850
    Abstract: Semiconductor devices and manufacturing methods are provided for making channel and gate lengths independent from lithography. Also, semiconductor devices and manufacturing methods are provided for increasing resistivity between drain and channel to allow for higher voltage operation. For example, a semiconductor device includes a first doped layer implanted in a semiconductor substrate forming one of a source or a drain and a gate metal layer disposed over the first doped layer. The semiconductor device further includes a second doped layer disposed over the gate metal forming the other the source or the drain, where the first doped layer, the gate metal layer and the second doped layer form a vertical stack of layers of the semiconductor device. The semiconductor device further includes a conduction channel formed in a trench that extends vertically through the vertical stack of layers and terminates at the semiconductor substrate.
    Type: Application
    Filed: October 31, 2014
    Publication date: January 7, 2016
    Applicant: Broadcom Corporation
    Inventors: Sam Ziqun ZHAO, Frank Hui
  • Patent number: 9230875
    Abstract: Embodiments of provide an integrated circuit (IC) device. The IC device can include a substrate having first and second opposing surfaces, an IC die electrically coupled to the first surface of the substrate, a plurality of contact members coupled to the first surface of the substrate, and an interposer. The interposer can include a plurality of contact elements located on a first surface thereof, each conductive element being coupled to a respective one of the plurality of contact members, and an antenna formed using a conductive layer of the interposer, the antenna being electrically coupled to the IC die through at least one of the plurality of contact elements and at least one of the plurality of contact members.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: January 5, 2016
    Assignee: Broadcom Corporation
    Inventors: Sam Ziqun Zhao, Rezaur Rahman Khan
  • Patent number: 9219054
    Abstract: Systems, apparatuses, and methods provided for semiconductor devices and integrated circuit (IC) packages that include compliant dielectric layers. In a through silicon via interposer or substrate, a compliant dielectric material may be added to a surface of silicon material body to form a compliant dielectric layer. The compliant dielectric layer provides a thermal buffer and a stress buffer for a resulting IC package. The compliant dielectric material may be selected such that the coefficient of thermal expansion of the compliant dielectric material approximately matches the coefficient of thermal expansion of the circuit board on which the IC package is mounted. The compliant dielectric material may be selected such that it has a deformability that is greater than the silicon material body. Multiple sub-layers of compliant dielectric material may be used.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: December 22, 2015
    Assignee: Broadcom Corporation
    Inventors: Rezaur Rahman Khan, Sam Ziqun Zhao
  • Patent number: 9209508
    Abstract: Methods and apparatus are disclosed for wirelessly communicating among integrated circuits and/or functional modules within the integrated circuits. A semiconductor device fabrication operation uses a predetermined sequence of photographic and/or chemical processing steps to form one or more functional modules onto a semiconductor substrate. The functional modules are coupled to an integrated waveguide that is formed onto the semiconductor substrate and/or attached thereto to form an integrated circuit. The functional modules communicate with each other as well as to other integrated circuits using a multiple access transmission scheme via the integrated waveguide. One or more integrated circuits may be coupled to an integrated circuit carrier to form Multichip Module. The Multichip Module may be coupled to a semiconductor package to form a packaged integrated circuit.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: December 8, 2015
    Assignee: Broadcom Corporation
    Inventors: Ahmadreza Rofougaran, Arya Reza Behzad, Sam Ziqun Zhao, Jesus Alfonso Castaneda, Michael Boers
  • Publication number: 20150340308
    Abstract: A reconstituted semiconductor package and a method of making a reconstituted semiconductor package are described. An array of die-attach substrates is formed onto a carrier. A semiconductor device is mounted onto a first surface of each of the die-attach substrates. An interposer substrate is mounted over each of the semiconductor devices. The interposer substrates are electrically connected to the first surface of the respective die-attach substrates. A molding compound is filled in open spaces within and between the interposer substrates mounted to their respective die-attach substrates to form an array of reconstituted semiconductor packages. Electrical connections are mounted to a second surface of the die-attach substrates. The array of reconstituted semiconductor packages is singulated through the molding compound between each of the die-attach substrates and respective mounted interposer substrates.
    Type: Application
    Filed: July 3, 2014
    Publication date: November 26, 2015
    Applicant: Broadcom Corporation
    Inventors: Edward LAW, Sam Ziqun Zhao, Kunzhong Hu, Rezaur Rahman Khan
  • Publication number: 20150302974
    Abstract: A 3-dimensional (3-D) magnetic core device includes a substrate, a first magnetic shell formed on the substrate, and a first group of conductive traces embedded in a first insulator layer formed on the first magnetic shell. A magnetic core plane is formed on the first insulator layer, and a second group of conductive traces are embedded in a second insulator layer formed on the magnetic core plane. A second magnetic shell is formed on the second insulator layer, and the first and second group of conductive traces are conductively coupled by using conductive vias.
    Type: Application
    Filed: April 10, 2015
    Publication date: October 22, 2015
    Inventors: Sam Ziqun ZHAO, Edward LAW, Sampath Komarapalayam KARIKALAN, Neal Andrew KISTLER, Rezaur Rahman KHAN, Pieter VORENKAMP
  • Patent number: 9153507
    Abstract: An exemplary implementation of the present disclosure includes a testable semiconductor package that includes an active die having interface contacts and dedicated testing contacts. An interposer is situated adjacent a bottom surface of the active die, the interposer providing electrical connections between the interface contacts and a bottom surface of the testable semiconductor package. At least one conductive medium provides electrical connection between at least one of the dedicated testing contacts and a top surface of the testable semiconductor package. The at least one conductive medium can be coupled to a package-top testing connection, which may include a solder ball.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: October 6, 2015
    Assignee: BROADCOM CORPORATION
    Inventors: Sam Ziqun Zhao, Kevin Kunzhong Hu, Sampath K. V. Karikalan, Rezaur Rahman Khan, Pieter Vorenkamp, Xiangdong Chen
  • Publication number: 20150282235
    Abstract: Embodiments of the present invention are directed to a wireless-enabled component (WEC) for enabling a wireless bus for intra-chip and inter-chip communication. A WEC encompasses a functional block of an IC (such as, for example, a processing core of a processing unit), an entire IC (such as, for example, a processing unit), or a device that includes a plurality of ICs (such as, for example, a handheld device). According to embodiments, a WEC may be associated with one or more sub-blocks of an IC, a single IC, or a plurality of ICs.
    Type: Application
    Filed: April 7, 2015
    Publication date: October 1, 2015
    Applicant: Broadcom Corporation
    Inventors: Ahmadreza (Reza) ROFOUGARAN, Arya Reza BEHZAD, Sam Ziqun ZHAO, Jesus Alfonso CASTANEDA, Michael BOERS
  • Publication number: 20150276856
    Abstract: Methods and apparatus are disclosed for wirelessly communicating among integrated circuits and/or functional modules within the integrated circuits. A semiconductor device fabrication operation uses a predetermined sequence of photographic and/or chemical processing steps to form one or more functional modules onto a semiconductor substrate. The functional modules are coupled to an integrated waveguide that is formed onto the semiconductor substrate and/or attached thereto to form an integrated circuit. The functional modules communicate with each other as well as to other integrated circuits using a multiple access transmission scheme via the integrated waveguide. One or more integrated circuits may be coupled to an integrated circuit carrier to form Multichip Module. The Multichip Module may be coupled to a semiconductor package to form a packaged integrated circuit.
    Type: Application
    Filed: June 10, 2015
    Publication date: October 1, 2015
    Applicant: Broadcom Corporation
    Inventors: Jesus Alfonso Castaneda, Arya Reza Behzad, Ahmadreza Rofougaran, Sam Ziqun Zhao, Michael Boers
  • Patent number: 9129980
    Abstract: A method of manufacturing an integrated circuit (IC) package is provided. The method includes mounting a fast plurality of contact members on a surface of a package member, and coupling a second plurality of contact members located on a first surface of an interposer substrate to corresponding ones of the first plurality of contact members. The interposer substrate is configured such that a circuit member mounted to a second surface of the interposer substrate is electrically coupled to the first plurality of contact members.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: September 8, 2015
    Assignee: Broadcom Corporation
    Inventors: Rezaur Rahman Khan, Sam Ziqun Zhao
  • Publication number: 20150249061
    Abstract: An integrated circuit (IC) package includes an IC die having a first surface and a second surface opposite of the first surface. The IC package includes first contact members coupled to the second surface of the IC die. The IC package includes a bottom substrate having a first surface and a second surface opposite of the first surface, where the first surface of the bottom substrate is coupled to the second surface of the IC die via the first contact members. The IC package includes an interposer substrate coupled to the first surface of the IC die via an adhesive material, where the adhesive material is disposed on at least a surface of the interposer substrate. The IC package includes second contact members coupled along a periphery of the interposer substrate, where the interposer substrate is coupled to the first surface of the bottom substrate via the second contact members.
    Type: Application
    Filed: May 18, 2015
    Publication date: September 3, 2015
    Inventors: Sam Ziqun ZHAO, Rezaur Rahman KHAN
  • Publication number: 20150235992
    Abstract: There are disclosed herein various implementations of semiconductor packages including a bridge interposer. One exemplary implementation includes a first active die having a first portion situated over the bridge interposer, and a second portion not situated over the bridge interposer. The semiconductor package also includes a second active die having a first portion situated over the bridge interposer, and a second portion not situated over the bridge interposer. The second portion of the first active die and the second portion of the second active die include solder balls mounted on a package substrate, and are configured to communicate electrical signals to the package substrate utilizing the solder balls and without utilizing through-semiconductor vias (TSVs).
    Type: Application
    Filed: April 30, 2015
    Publication date: August 20, 2015
    Inventors: Sampath K. KARIKALAN, Sam Ziqun ZHAO, Kevin Kunzhong HU, Rezaur Rahman KHAN, Pieter VORENKAMP, Xiangdong CHEN
  • Publication number: 20150228553
    Abstract: Flip chip packages are described that include two or more thermal interface materials (TIMs). A die is mounted to a substrate by solder bumps. A first TIM is applied to the die, and has a first thermal resistance. A second TIM is applied to the die and/or the substrate, and has a second thermal resistance that is greater than the first thermal resistance. An open end of a heat spreader lid is mounted to the substrate such that the die is positioned in an enclosure formed by the heat spreader lid and substrate. The first TIM and the second TIM are each in contact with an inner surface of the heat spreader lid. A ring-shaped stiffener may surround the die and be connected between the substrate and heat spreader lid by the second TIM.
    Type: Application
    Filed: April 23, 2015
    Publication date: August 13, 2015
    Inventors: Mehdi Saeidi, Sam Ziqun Zhao
  • Publication number: 20150223275
    Abstract: Disclosed herein are systems, apparatuses, and methods for creating a system of wireless-enabled components (WECs). Such a system includes a server and a plurality of wireless-enabled component (WECs). Each WEC includes a functional resource (e.g., a processing resource and/or a memory resource) and is configured for wireless communication with the server and one or more other WECs. A first WEC is configured to wirelessly upload, to the server, an availability of the functional resource of the first WEC. The first WEC is further configured to wirelessly download, from the server, a linking resource for linking with one or more of the plurality of WECs. The plurality of WECs may be located on a single chip, on multiple chips of a single device, or on multiple chips of multiple devices.
    Type: Application
    Filed: February 6, 2015
    Publication date: August 6, 2015
    Applicant: Broadcom Corporation
    Inventors: Ahmadreza (Reza) ROFOUGARAN, Arya Reza Behzad, Michael Boers, Jesus Alfonso Castaneda, Sam Ziqun Zhao
  • Publication number: 20150206821
    Abstract: In an embodiment, a thermal interface material (TIM) is provided. The TIM includes first and a second layers of a first transition metal, and a third layer including a plurality of carbon nanotubes supported in a flexible polymer matrix and a second transition metal coupled to sidewalls of carbon nanotubes. The first and second metal layers are in contact with first and second ends of carbon nanotube. The TIM further includes fourth and fifth layers of an alloy material coupled to the first and second metal layers, respectively. The carbon nanotube based TIM including the layers with transition metal allow improved heat transfer from an integrated circuit die to a heat spreader.
    Type: Application
    Filed: March 31, 2015
    Publication date: July 23, 2015
    Applicant: Broadcom Corporation
    Inventors: Sam Ziqun ZHAO, Arpit Mittal, Rezaur Rahman Khan
  • Publication number: 20150200149
    Abstract: Methods and apparatuses for improved integrated circuit (IC) packages are described herein. In an aspect, an IC device package includes an IC die having a contact pad, where the contact pad is located on a hotspot of the IC die. The hotspot is thermally coupled to a thermal interconnect member. In an aspect, the package is encapsulated in a mold compound. In a further aspect, a heat spreader is attached to the mold compound, and is thermally coupled to the thermal interconnect member. In another aspect, a thermal interconnect member thermally is coupled between the heat spreader and the substrate.
    Type: Application
    Filed: March 25, 2015
    Publication date: July 16, 2015
    Applicant: Broadcom Corporation
    Inventors: Sam Ziqun ZHAO, Rezaur Rahman KHAN