Patents by Inventor Jun Zhai

Jun Zhai 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: 20240249989
    Abstract: Microelectronic structures with selectively applied underfill material and/or edge bond material are described. In an embodiment, isolated underfill regions and/or edge bond regions are applied to adjacent to one or more edges of an electronic device and form a plurality of vent openings along the one or more edges.
    Type: Application
    Filed: January 23, 2023
    Publication date: July 25, 2024
    Inventors: Wei Chen, Balaji Nandhivaram Muthuraman, Arun Sasi, Jie-Hua Zhao, Suk-Kyu Ryu, Jun Zhai, Dominic Morache, Young Doo Jeon
  • Publication number: 20240243012
    Abstract: Systems including voltage regulator circuits are disclosed. In one embodiment, an apparatus includes a voltage regulator controller integrated circuit (IC) die including one or more portions of a voltage regulator circuit. The apparatus further includes a capacitor die, an inductor die, and an interconnect layer arranged over the voltage regulator controller IC die, the capacitor die and the inductor die. The interconnect provides electrical connections between the voltage regulator controller IC die, the capacitor die and the inductor die to form the voltage regulator circuit. In a further embodiment, the voltage regulator controller IC die, the capacitor die and the inductor die are arranged in a planar fashion within a voltage regulator module. In still another embodiment, a system IC is coupled to the voltage regulator module and includes one or more functional circuit blocks coupled to receive a regulated supply voltage generated by the voltage regulator circuit.
    Type: Application
    Filed: March 29, 2024
    Publication date: July 18, 2024
    Inventors: Vidhya Ramachandran, Jun Zhai, Chonghua Zhong, Kunzhong Hu, Shawn Searles, Joseph T. DiBene, II, Mengzhi Pang
  • Patent number: 12033982
    Abstract: Reconstructed 3DIC structures and methods of manufacture are described. In an embodiment, one or more dies in each package level of a 3DIC are both functional chips and/or stitching devices for two or more dies in an adjacent package level. Thus, each die can function as a communication bridge between two other dies/chiplets in addition to performing a separate chip core function.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: July 9, 2024
    Assignee: Apple Inc.
    Inventor: Jun Zhai
  • Patent number: 12021035
    Abstract: Stitched die structures, and methods for interconnecting die are described. In an embodiment, a stitched die structure includes a semiconductor substrate that includes a first die area of a first die and a second die area of a second die separate from the first die area. A back-end-of-the-line (BEOL) build-up structure spans over the first die area and the second die area, and includes a first metallic seal directly over a first peripheral area of the first die area, a second metallic seal directly over a second peripheral area of the second die area, and a die-to-die routing extending through the first metallic seal and the second metallic seal to electrically connect the first die to the second die.
    Type: Grant
    Filed: September 12, 2022
    Date of Patent: June 25, 2024
    Assignee: Apple Inc.
    Inventors: Sanjay Dabral, Jun Zhai
  • Publication number: 20240202829
    Abstract: Computer implemented systems and methods are disclosed that allow for the efficient and rapid determination of guarantee funds for clearing member firms. Disclosed systems and methods account for the exposure of self-referencing risk.
    Type: Application
    Filed: February 21, 2024
    Publication date: June 20, 2024
    Applicant: Chicago Mercantile Exchange Inc.
    Inventors: Evren Baysal, Panagiotis Xythalis, Kailin Ding, Sixiang Li, Lu Lu, Jun Zhai
  • Patent number: 11967528
    Abstract: Systems that include integrated circuit dies and voltage regulator units are disclosed. Such systems may include a voltage regulator module and an integrated circuit mounted in a common system package. The voltage regulator module may include a voltage regulator circuit and one or more passive devices mounted to a common substrate, and the integrated circuit may include a System-on-a-chip. The system package may include an interconnect region that includes wires fabricated on multiple conductive layers within the interconnect region. At least one power supply terminal of the integrated circuit may be coupled to an output of the voltage regulator module via a wire included in the interconnect region.
    Type: Grant
    Filed: April 26, 2023
    Date of Patent: April 23, 2024
    Assignee: Apple Inc.
    Inventors: Vidhya Ramachandran, Jun Zhai, Chonghua Zhong, Kunzhong Hu, Shawn Searles, Joseph T. DiBene, II, Mengzhi Pang
  • Patent number: 11966977
    Abstract: Computer implemented systems and methods are disclosed that allow for the efficient and rapid determination of guarantee funds for clearing member firms. Disclosed systems and methods account for the exposure of self-referencing risk.
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: April 23, 2024
    Assignee: Chicago Mercantile Exchange Inc.
    Inventors: Evren Baysal, Panagiotis Xythalis, Kailin Ding, Sixiang Li, Lu Lu, Jun Zhai
  • Publication number: 20240105545
    Abstract: Semiconductor packages including an integrated heat spreader and methods of fabrication are described. In an embodiment, a semiconductor package includes a first package level, a second package level including one or more second-level chiplets, and a heat spreader bonded to the second package level with a metallic layer, which may include one or more intermetallic compounds formed by transient liquid phase bonding.
    Type: Application
    Filed: September 22, 2022
    Publication date: March 28, 2024
    Inventors: Jiongxin Lu, Kunzhong Hu, Jun Zhai, Sanjay Dabral
  • Publication number: 20240105702
    Abstract: Semiconductor packages formed utilizing wafer reconstitution and optionally including an integrated heat spreader and methods of fabrication are described. In an embodiment, a semiconductor package includes a first package level, a second package level including one or more second-level chiplets, and a heat spreader bonded to the second package level with a metallic layer, which may include one or more intermetallic compounds formed by transient liquid phase bonding.
    Type: Application
    Filed: March 6, 2023
    Publication date: March 28, 2024
    Inventors: Chonghua Zhong, Jiongxin Lu, Kunzhong Hu, Jun Zhai, Sanjay Dabral
  • Publication number: 20240105626
    Abstract: Semiconductor packages including local interconnects and methods of fabrication are described. In an embodiment, a local interconnect is fabricated with one or more cavities filled with a low-k material or air gap where a die-to-die routing path electrically connecting the first die and the second die includes the metal wire spanning across the one or more cavities. In other embodiments fanout can be utilized to create a wider bump pitch for the local interconnect, or for the local interconnect to connect core regions of the dies. Multiple local interconnects can also be utilized to scale down electrostatic discharge.
    Type: Application
    Filed: April 6, 2023
    Publication date: March 28, 2024
    Inventors: Sanjay Dabral, Jun Zhai, Kunzhong Hu, SivaChandra Jangam, Zhitao Cao
  • Publication number: 20240105704
    Abstract: Semiconductor packages formed utilizing wafer reconstitution and optionally including an integrated heat spreader and methods of fabrication are described. In an embodiment, a semiconductor package includes a first package level, a second package level including one or more second-level chiplets. A heat spreader may be bonded to the second package level with a metallic layer, which may include one or more intermetallic compounds formed by transient liquid phase bonding. The chiplets within the first and/or second package levels may optionally be connected with one or more optical interconnect paths.
    Type: Application
    Filed: August 30, 2023
    Publication date: March 28, 2024
    Inventors: Chonghua Zhong, Jiongxin Lu, Kunzhong Hu, Jun Zhai, Sanjay Dabral
  • Publication number: 20240088032
    Abstract: Microelectronic modules are described. In an embodiment, a microelectronic module includes a module substrate, a chip mounted onto the module substrate, and a semiconductor-based integrated passive device between the chip and the module substrate. The semiconductor-based integrated passive device may include an upper RDL stack-up with thicker wiring layers than a lower BEOL stack-up. The semiconductor-based integrated passive device may be further solder bonded or hybrid bonded with the chip.
    Type: Application
    Filed: September 14, 2022
    Publication date: March 14, 2024
    Inventors: Vidhya Ramachandran, Chi Nung Ni, Chueh-An Hsieh, Rekha Govindaraj, Jun Zhai, Long Huang, Rohan U. Mandrekar, Saumya K. Gandhi, Zhuo Yan, Yizhang Yang, Saurabh P. Sinha, Antonietta Oliva
  • Patent number: 11908819
    Abstract: Semiconductor packaging substrates and processing sequences are described. In an embodiment, a packaging substrate includes a build-up structure, and a patterned metal contact layer partially embedded within the build-up structure and protruding from the build-up structure. The patterned metal contact layer may include an array of surface mount (SMT) metal bumps in a chip mount area, a metal dam structure or combination thereof.
    Type: Grant
    Filed: October 12, 2022
    Date of Patent: February 20, 2024
    Assignee: Apple Inc.
    Inventors: Jun Chung Hsu, Chih-Ming Chung, Jun Zhai, Yifan Kao, Young Doo Jeon, Taegui Kim
  • Publication number: 20240047353
    Abstract: Multi-die structures and methods of fabrication are described. In an embodiment, a multi-die structure includes a first die, a second die, and die-to-die routing connecting the first die to the second die. The die-to-die interconnection may be monolithically integrated as a chip-level die-to-die routing, or external package-level die-to-die routing.
    Type: Application
    Filed: October 17, 2023
    Publication date: February 8, 2024
    Inventors: Sanjay Dabral, Jun Zhai, Jung-Cheng Yeh, Kunzhong Hu, Raymundo Camenforte, Thomas Hoffmann
  • Publication number: 20240038689
    Abstract: Chip sealing structures and methods of manufacture are described. In an embodiment, a chip structure includes a main body area formed of a substrate, a back-end-of-the-line (BEOL) build-up structure spanning over the substrate, and chip edge sidewalls extending from a back surface of the substrate to a top surface of the BEOL build-up structure and laterally surrounding the substrate and the BEOL build-up structure. In accordance with embodiments, the chip structure may further include a conformal sealing layer covering at least a first chip edge sidewall of the chip edge sidewalls and a portion of the top surface of the BEOL build-up structure, and forming a lip around the top surface of the BEOL build-up structure.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 1, 2024
    Inventors: Vidhya Ramachandran, Sanjay Dabral, SivaChandra Jangam, Jun Zhai, Kunzhong Hu
  • Publication number: 20240030472
    Abstract: A membrane electrode assembly (MEA) includes a membrane, a cathode catalyst layer, a cathode co-catalyst layer including a hydrogen reservoir, an anode catalyst layer, and an anode co-catalyst layer including a hydrogen reservoir. The anode co-catalyst layer and the cathode co-catalyst layer cap a cathode potential at lower than 1.5V and an anode potential at lower than 1.0V. The anode co-catalyst layer and the cathode co-catalyst layer can include a platinum doped rare earth oxide, such as platinum doped cerium oxide.
    Type: Application
    Filed: August 7, 2023
    Publication date: January 25, 2024
    Inventors: Rajesh Bashyam, Jun Zhai
  • Publication number: 20240014178
    Abstract: Stitched die packaging techniques and structures are described in which reconstituted chips are formed using wafer reconstitution and die-stitching techniques. In an embodiment, a chip includes a reconstituted chip-level back end of the line (BEOL) build-up structure to connect a die set embedded in an inorganic gap fill material.
    Type: Application
    Filed: July 7, 2023
    Publication date: January 11, 2024
    Inventors: Sanjay Dabral, Jun Zhai, Kwan-Yu Lai, Kunzhong Hu, Vidhya Ramachandran
  • Patent number: 11862557
    Abstract: Multi-die structures and methods of fabrication are described. In an embodiment, a multi-die structure includes a first die, a second die, and die-to-die routing connecting the first die to the second die. The die-to-die interconnection may be monolithically integrated as a chip-level die-to-die routing, or external package-level die-to-die routing.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: January 2, 2024
    Assignee: Apple Inc.
    Inventors: Sanjay Dabral, Jun Zhai, Jung-Cheng Yeh, Kunzhong Hu, Raymundo Camenforte, Thomas Hoffmann
  • Publication number: 20230402373
    Abstract: Multi-die structures with die-to-die routing are described. In an embodiment, each die is patterned into the same semiconductor substrate, and the dies may be interconnected with die-to-die routing during back-end wafer processing. Partial metallic seals may be formed to accommodate the die-to-die routing, programmable dicing, and various combinations of full metallic seals and partial metallic seals can be formed. This may also be extended to three dimensional structures formed using wafer-on-wafer or chip-on-wafer techniques.
    Type: Application
    Filed: June 21, 2023
    Publication date: December 14, 2023
    Inventors: Sanjay Dabral, Jun Zhai, Kunzhong Hu, Raymundo M. Camenforte
  • Patent number: 11824015
    Abstract: Chip sealing structures and methods of manufacture are described. In an embodiment, a chip structure includes a main body area formed of a substrate, a back-end-of-the-line (BEOL) build-up structure spanning over the substrate, and chip edge sidewalls extending from a back surface of the substrate to a top surface of the BEOL build-up structure and laterally surrounding the substrate and the BEOL build-up structure. In accordance with embodiments, the chip structure may further include a conformal sealing layer covering at least a first chip edge sidewall of the chip edge sidewalls and a portion of the top surface of the BEOL build-up structure, and forming a lip around the top surface of the BEOL build-up structure.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: November 21, 2023
    Assignee: Apple Inc.
    Inventors: Vidhya Ramachandran, Sanjay Dabral, SivaChandra Jangam, Jun Zhai, Kunzhong Hu