Patents by Inventor Gamal Refai-Ahmed

Gamal Refai-Ahmed 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: 20250142735
    Abstract: A method of attaching a chip package to a printed circuit board (“PCB”) is provided, along with an electronic device fabricated using the method. The method includes measuring a warpage parameter of the chip package and selecting a stencil configured to compensate for warpage corresponding to the measured warpage parameter. The stencil includes a plurality of apertures. The selected stencil is positioned above the PCB, and solder paste is applied on the PCB via the plurality of apertures of the stencil. Thereafter, the PCB is moved away from the stencil. The chip package is positioned on the solder paste on the PCB, thereby attaching the chip package to the PCB.
    Type: Application
    Filed: October 26, 2023
    Publication date: May 1, 2025
    Applicant: XILINX, INC.
    Inventor: Gamal REFAI-AHMED
  • Publication number: 20250069579
    Abstract: In one example, a micro device includes a housing; a chip package disposed in the housing; a noise producing component coupled to the housing. The micro device also includes a noise reduction system having a reference microphone for detecting a noise from the noise producing component and a controller configured to receive the noise from the reference microphone and generate a masking sound signal in response to the detected noise. A speaker is coupled to the housing for producing a masking sound corresponding to the masking sound signal, whereby the masking sound reduces the noise. In another example, the noise producing component comprises a fan.
    Type: Application
    Filed: August 21, 2023
    Publication date: February 27, 2025
    Inventors: Gamal REFAI-AHMED, Christopher JAGGERS, Hoa DO, Md Malekkul ISLAM, Paul Theodore ARTMAN, Sukesh SHENOY, Suresh RAMALINGAM, Muhammad Afiq Bin In BAHAROM
  • Publication number: 20240329329
    Abstract: A method of fabricating a chip package is provided, and a chip package fabricated using the same are provided. The method includes connecting a photonic die to a substrate of the chip package and attaching a protection apparatus to the substrate. The method also includes attaching a photonic connector to the photonic die. At least a portion of the photonic connector is disposed inside a housing of the protection apparatus. A fabrication process is performed on the chip package while the photonic connector is inside the housing. After processing, the photonic connector is removed from the housing.
    Type: Application
    Filed: March 31, 2023
    Publication date: October 3, 2024
    Inventors: Gamal REFAI-AHMED, Chuan Xie, Chi-Yi Chao, Suresh Ramalingam, Nagadeven Karunakaran, Ferdinand F. Fernandez
  • Publication number: 20240314934
    Abstract: An electronic device having a frame for coupling a plurality of thermal management devices to the printed circuit board is provided. The electronic device includes a first chip package mounted to the PCB and a second chip package mounted to the PCB. The frame is secured to the PCB, and the frame has a first aperture disposed over the first chip package and a second aperture disposed over the second chip package. The plurality of thermal management devices coupled to the frame includes a first thermal management device contacting an IC die of the first chip package through the first aperture and a second thermal management device contacting an IC die of the second chip package through the second aperture.
    Type: Application
    Filed: March 14, 2023
    Publication date: September 19, 2024
    Inventors: Gamal REFAI-AHMED, Suresh RAMALINGAM, Aslam YEHIA, Chi-Yi CHAO, Md Malekkul ISLAM, Hoa DO
  • Publication number: 20240314919
    Abstract: Disclosed herein are electronic devices that utilized a thermal bus disposed on a backside of a printed circuit board (PCB) to route heat efficiently to a thermal management device disposed on the front side of the PCB, thus enhancing thermal regulation of integrated circuit (IC) devices mounted on the backside of the PCB.
    Type: Application
    Filed: March 14, 2023
    Publication date: September 19, 2024
    Inventors: Paul Theodore ARTMAN, Mark STEINKE, Gamal REFAI-AHMED
  • Patent number: 12094853
    Abstract: A semiconductor chip with conductive vias and a method of manufacturing the same are disclosed. The method includes forming a first plurality of conductive vias in a layer of a first semiconductor chip The first plurality of conductive vias includes first ends and second ends. A first conductor pad is formed in ohmic contact with the first ends of the first plurality of conductive vias.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: September 17, 2024
    Assignees: ADVANCED MICRO DEVICES, INC., ATI TECHNOLOGIES ULC
    Inventors: Bryan Black, Michael Z. Su, Gamal Refai-Ahmed, Joe Siegel, Seth Prejean
  • Publication number: 20240290686
    Abstract: A heat exchanger for a chip package is provided. The heat exchanger includes a body having an upper side, a lower side, and an internal cavity disposed in the body between the upper side and the lower side. A first outlet port and a second outlet port are formed in the body and are in fluid communication with the internal cavity. An inlet port is formed through the upper side of the body between the first and second outlet ports to supply fluid into the internal cavity.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 29, 2024
    Inventors: Gamal REFAI-AHMED, Chi-Yi CHAO, Md Malekkul ISLAM, Suresh RAMALINGAM, Paul Theodore ARTMAN, Mark STEINKE, Christopher JAGGERS
  • Publication number: 20240258190
    Abstract: A chip package includes a substrate and an integrated circuit (“IC”) die mounted to the substrate. A stiffener frame is mounted to the substrate and circumscribes the IC die. The stiffener frame has a plurality of connected walls that define an opening in the stiffener frame. The chip package also includes a lid having a bottom side facing a top surface of the IC die. The lid has at least a first guide and a second guide extending from the bottom side of the lid. The first guide can be disposed outward or inward of the stiffener frame. The first guide has a side facing an outer wall surface or an inner wall surface of the stiffener frame. The first guide and the second guide are positioned to limit movement of the lid relative to the stiffener frame in two directions.
    Type: Application
    Filed: January 26, 2023
    Publication date: August 1, 2024
    Inventors: Gamal REFAI-AHMED, Chi-Yi CHAO, Christopher JAGGERS, Suresh RAMALINGAM, Sukesh SHENOY
  • Publication number: 20230420335
    Abstract: Chip packages, electronic devices and method for making the same are described herein. The chip packages and electronic devices have a heat spreader disposed over a plurality of integrated circuit (IC) devices. The heat spreader has an opening through which a protrusion from an overlaying cover extends into contact with one or more of the IC devices to provide a direct heat transfer path to the cover. Another one or more other IC devices have a heat transfer path to the cover through the heat spreader. The separate heat transfer paths allow more effective thermal management of the IC devices of the chip package.
    Type: Application
    Filed: June 28, 2022
    Publication date: December 28, 2023
    Inventors: Gamal REFAI-AHMED, Suresh RAMALINGAM
  • Patent number: 11769710
    Abstract: Some examples described herein provide for a heterogeneous integration module (HIM) that includes a thermal management apparatus. In an example, an apparatus (e.g., a HIM) includes a wiring substrate, a first component, a second component, and a thermal management apparatus. The first component and the second component are communicatively coupled together via the wiring substrate. The thermal management apparatus is in thermal communication with the first component and the second component. The thermal management apparatus has a first thermal energy flow path for dissipating thermal energy generated by the first component and has a second thermal energy flow path for dissipating thermal energy generated by the second component. The first thermal energy flow path has a lower thermal resistivity than the second thermal energy flow path.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: September 26, 2023
    Assignee: XILINX, INC.
    Inventors: Gamal Refai-Ahmed, Suresh Ramalingam, Ken Chang, Mayank Raj, Chuan Xie, Yohan Frans
  • Publication number: 20230282547
    Abstract: Chip packages and methods for fabricating the same are provided which utilize a first heat spreader interfaced with a first integrated circuit (IC) die and a second heat spreader separately interfaced with a second IC die. The separate heat spreaders allow the force applied to the first IC die to be controlled independent of the force applied to the second IC die.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 7, 2023
    Inventors: Gamal REFAI-AHMED, Yohan FRANS, Suresh RAMALINGAM
  • Publication number: 20230207422
    Abstract: Disclosed herein is a heat spreader for use with an IC package, the heat spreader having features for enhanced temperature control of the IC package. A heat spreader for use with an IC package is disclosed. In one example, the heat spreader includes a metal body that has a sealed internal cavity. A thermally conductive material fills the sealed internal cavity. The thermally conductive material has an interstitial space sufficient to allow fluid to pass therethrough. A first phase change material fills at least a portion of the interstitial space of the thermally conductive material.
    Type: Application
    Filed: December 28, 2021
    Publication date: June 29, 2023
    Inventors: Gamal REFAI-AHMED, Suresh RAMALINGAM
  • Patent number: 11605886
    Abstract: An antenna assembly is provided having passive cooling elements that enable compact design. In one example, an antenna assembly is provided that includes a heat sink assembly having an interior side and an exterior side, an antenna array, an antenna circuit board, and a radome. The antenna circuit board includes at least one integrated circuit (IC) die. The IC die has a conductive primary heat dissipation path to the interior side of the heat sink assembly. The radome is coupled to the heat sink assembly and encloses the antenna circuit board and the antenna array between the radome and the heat sink assembly. The heat sink assembly includes a metal base plate and at least a first heat pipe embedded with the metal base plate. The first heat pipe is disposed between the metal base plate and the IC die.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: March 14, 2023
    Assignee: XILINX, INC.
    Inventors: Gamal Refai-Ahmed, Chi-Yi Chao, Lik Tsang, Jens Weis, Brendan Farley, Anthony Torza, Suresh Ramalingam
  • Publication number: 20230031099
    Abstract: A semiconductor chip with conductive vias and a method of manufacturing the same are disclosed. The method includes forming a first plurality of conductive vias in a layer of a first semiconductor chip The first plurality of conductive vias includes first ends and second ends. A first conductor pad is formed in ohmic contact with the first ends of the first plurality of conductive vias.
    Type: Application
    Filed: October 11, 2022
    Publication date: February 2, 2023
    Inventors: BRYAN BLACK, MICHAEL Z. SU, GAMAL REFAI-AHMED, JOE SIEGEL, SETH PREJEAN
  • Patent number: 11488887
    Abstract: In one example, a method includes providing a first side of a semiconductor substrate with a plurality of transistors, etching a second side of the substrate, opposite the first side, with a pattern of trenches, the trenches having a pre-defined depth and width, and providing the etched semiconductor substrate in a package. In one example, the predefined depth and width of the trenches is such so as to increase the surface area of the second side of the substrate by at least 20 percent. In one example, the method also includes providing a layer of a thermal interface material (TIM) on the second side of the substrate, including to fill at least a portion of the trenches.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: November 1, 2022
    Assignee: XILINX, INC.
    Inventors: Gamal Refai-Ahmed, Suresh Ramalingam, Boon Y. Ang, Toshiyuki Hisamura, Suresh Parameswaran, Scott McCann, Hoa Lap Do
  • Patent number: 11488936
    Abstract: A chip package assembly and method for fabricating the same are provided which utilize a plurality of electrically floating extra-die heat transfer posts for improved thermal management. In one example, a chip package assembly is provided that includes a substrate, a first integrated circuit (IC) die, and a first plurality of electrically floating extra-die conductive posts. The substrate has a first surface and an opposing second surface. The first integrated circuit (IC) die has a first surface and an opposing second surface. The second surface of the first IC die is mounted to the first surface of the substrate. The first plurality of electrically floating extra-die conductive posts extend from the first surface of the first IC die to provide a heat transfer path away from the first IC die.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: November 1, 2022
    Assignee: XILINX, INC.
    Inventors: Gamal Refai-Ahmed, Suresh Ramalingam, Jaspreet Singh Gandhi, Cheang-Whang Chang
  • Patent number: 11476556
    Abstract: A heat exchanger and an antenna assembly having the same are described herein that enable a compact antenna design with good thermal management. In one example, a heat exchanger is provided that includes tube-shaped body. A main cooling volume is formed between the top and bottom surfaces proximate to the outside wall. The main cooling volume has an inlet formed through the top surface and an outlet formed through the bottom surface. A return volume is formed adjacent the inside diameter wall and is circumscribed by the main cooling volume. The return volume has an outlet formed through the top surface and an inlet formed through the bottom surface. One or more exterior fins are coupled to an exterior side of the outside wall. A plurality of fins extend into the main cooling volume. A plurality of inner fins extend into a passage from the inside diameter wall.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: October 18, 2022
    Assignee: XILINX, INC.
    Inventors: Mohsen H. Mardi, Gamal Refai-Ahmed, Suresh Ramalingam, Volker Aue
  • Patent number: 11469212
    Abstract: A semiconductor chip with conductive vias and a method of manufacturing the same are disclosed. The method includes forming a first plurality of conductive vias in a layer of a first semiconductor chip. The first plurality of conductive vias includes first ends and second ends. A first conductor pad is formed in ohmic contact with the first ends of the first plurality of conductive vias.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: October 11, 2022
    Assignees: ADVANCED MICRO DEVICES, INC., ATI TECHNOLOGIES ULC
    Inventors: Bryan Black, Michael Z. Su, Gamal Refai-Ahmed, Joe Siegel, Seth Prejean
  • Patent number: 11373929
    Abstract: A cooling plate assembly and electronic device having the same are provided which utilize active and passive cooling devices for improved thermal management of one or more chip package assemblies included in the electronic device. In one example, a cooling plate assembly is provided that includes a cooling plate having a first surface and an opposing second surface, a first active cooling device coupled to the first surface of the cooling plate, and a first passive cooling device coupled to the second surface of the cooling plate.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: June 28, 2022
    Assignee: XILINX, INC.
    Inventors: Gamal Refai-Ahmed, Chi-Yi Chao, Suresh Ramalingam, Hoa Lap Do, Anthony Torza, Brian Philofsky, Arun Kumar Varadarajan Rajagopal
  • Patent number: 11355412
    Abstract: A chip package assembly and method for fabricating the same are provided which utilize a plurality of extra-die heat transfer posts for improved thermal management. In one example, a chip package assembly is provided that includes a first integrated circuit (IC) die mounted to a substrate, a cover disposed over the first IC die, and a plurality of extra-die conductive posts disposed between the cover and substrate. The extra-die conductive posts provide a heat transfer path between the cover and substrate that is laterally outward of the first IC die.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: June 7, 2022
    Assignee: XILINX, INC.
    Inventors: Jaspreet Singh Gandhi, Gamal Refai-Ahmed, Henley Liu, Myongseob Kim, Tien-Yu Lee, Suresh Ramalingam, Cheang-Whang Chang