Patents by Inventor Milind S. Bhagavat

Milind S. Bhagavat 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: 20220059425
    Abstract: Various semiconductor chip devices with stacked chips are disclosed. In one aspect, a semiconductor chip device is provided. The semiconductor chip device includes a first semiconductor chip that has a floor plan with a high heat producing area and a low heat producing area. At least one second semiconductor chip is stacked on the low heat producing area. The semiconductor chip device also includes means for transferring heat from the high heat producing area.
    Type: Application
    Filed: November 2, 2021
    Publication date: February 24, 2022
    Inventors: JOHN WUU, SAMUEL NAFFZIGER, PATRICK J. SHYVERS, MILIND S. BHAGAVAT, KAUSHIK MYSORE, BRETT P. WILKERSON
  • Patent number: 11211332
    Abstract: Various multi-die arrangements and methods of manufacturing the same are disclosed. In one aspect, a method of manufacturing a semiconductor chip device is provided. A redistribution layer (RDL) structure is fabricated with a first side and second side opposite to the first side. An interconnect chip is mounted on the first side of the RDL structure. A first semiconductor chip and a second semiconductor chip are mounted on the second side of the RDL structure after mounting the interconnect chip. The RDL structure and the interconnect chip electrically connect the first semiconductor chip to the second semiconductor chip.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: December 28, 2021
    Assignee: ADVANCED MICRO DEVICES, INC.
    Inventors: Milind S. Bhagavat, Rahul Agarwal
  • Patent number: 11189540
    Abstract: Various semiconductor chip devices with stacked chips are disclosed. In one aspect, a semiconductor chip device is provided. The semiconductor chip device includes a first semiconductor chip that has a floor plan with a high heat producing area and a low heat producing area. At least one second semiconductor chip is stacked on the low heat producing area. The semiconductor chip device also includes means for transferring heat from the high heat producing area.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: November 30, 2021
    Assignee: ADVANCED MICRO DEVICES, INC.
    Inventors: John Wuu, Samuel Naffziger, Patrick J. Shyvers, Milind S. Bhagavat, Kaushik Mysore, Brett P. Wilkerson
  • Patent number: 11164807
    Abstract: Various semiconductor chip devices with stacked chips are disclosed. In one aspect, a semiconductor chip device is provided. The semiconductor chip device includes a first semiconductor chip that has a floor plan with a high heat producing area and a low heat producing area. At least one second semiconductor chip is stacked on the low heat producing area. The semiconductor chip device also includes means for transferring heat from the high heat producing area.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: November 2, 2021
    Assignee: ADVANCED MICRO DEVICES, INC.
    Inventors: John Wuu, Samuel Naffziger, Patrick J. Shyvers, Milind S. Bhagavat, Kaushik Mysore, Brett P. Wilkerson
  • Publication number: 20210313269
    Abstract: Various semiconductor chip devices and methods of making the same are disclosed. In one aspect, an apparatus is provided that includes a first redistribution layer (RDL) structure having a first plurality of conductor traces, a first molding layer on the first RDL structure, plural conductive pillars in the first molding layer, each of the conductive pillars including a first end and a second end, a second RDL structure on the first molding layer, the second RDL structure having a second plurality of conductor traces, and wherein some of the conductive pillars are electrically connected between some of the first plurality of conductor traces and some of the second plurality of conductor traces to provide a first inductor coil.
    Type: Application
    Filed: May 18, 2021
    Publication date: October 7, 2021
    Inventors: MILIND S. BHAGAVAT, RAHUL AGARWAL, CHIA-HAO CHENG
  • Publication number: 20210296194
    Abstract: Various molded semiconductor chip packages are disclosed. In one aspect, a semiconductor chip package includes a routing substrate and a semiconductor chip mounted on and electrically connected to the routing substrate. The semiconductor chip has plural side surfaces. A molding layer at least partially encases the semiconductor chip. The molding layer has a tread and a riser, the riser abutting at least some of the side surfaces.
    Type: Application
    Filed: March 18, 2020
    Publication date: September 23, 2021
    Inventors: Priyal Shah, Rahul Agarwal, Milind S. Bhagavat, Chia-Hao Cheng
  • Publication number: 20210193604
    Abstract: Various semiconductor chips and packages are disclosed. In one aspect, an apparatus is provided that includes a semiconductor chip that has a side, and plural conductive pillars on the side. Each of the conductive pillars includes a pillar portion that has an exposed shoulder facing away from the semiconductor chip. The shoulder provides a wetting surface to attract melted solder. The pillar portion has a first lateral dimension at the shoulder. A solder cap is positioned on the pillar portion. The solder cap has a second lateral dimension smaller than the first lateral dimension.
    Type: Application
    Filed: March 8, 2021
    Publication date: June 24, 2021
    Inventors: PRIYAL SHAH, MILIND S. BHAGAVAT, LEI FU
  • Publication number: 20210183810
    Abstract: Various chip stacks and methods and structures of interconnecting the same are disclosed. In one aspect, an apparatus is provided that includes a first semiconductor chip that has a first glass layer and plural first groups of plural conductor pads in the first glass layer. Each of the plural first groups of conductor pads is configured to bumplessly connect to a corresponding second group of plural conductor pads of a second semiconductor chip to make up a first interconnect of a plurality interconnects that connect the first semiconductor chip to the second semiconductor chip. The first glass layer is configured to bond to a second glass layer of the second semiconductor chip.
    Type: Application
    Filed: March 2, 2021
    Publication date: June 17, 2021
    Inventors: PRIYAL SHAH, MILIND S. BHAGAVAT
  • Patent number: 11018125
    Abstract: Various semiconductor chip devices and methods of manufacturing the same are disclosed. In one aspect, a semiconductor chip device is provided that has a reconstituted semiconductor chip package that includes an interposer that has a first side and a second and opposite side and a metallization stack on the first side, a first semiconductor chip on the metallization stack and at least partially encased by a dielectric layer on the metallization stack, and plural semiconductor chips positioned over and at least partially laterally overlapping the first semiconductor chip.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: May 25, 2021
    Assignee: ADVANCED MICRO DEVICES, INC.
    Inventors: Milind S. Bhagavat, Rahul Agarwal, Gabriel H. Loh
  • Patent number: 11011466
    Abstract: Various semiconductor chip devices and methods of making the same are disclosed. In one aspect, an apparatus is provided that includes a first redistribution layer (RDL) structure having a first plurality of conductor traces, a first molding layer on the first RDL structure, plural conductive pillars in the first molding layer, each of the conductive pillars including a first end and a second end, a second RDL structure on the first molding layer, the second RDL structure having a second plurality of conductor traces, and wherein some of the conductive pillars are electrically connected between some of the first plurality of conductor traces and some of the second plurality of conductor traces to provide a first inductor coil.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: May 18, 2021
    Assignee: ADVANCED MICRO DEVICES, INC.
    Inventors: Milind S. Bhagavat, Rahul Agarwal, Chia-Hao Cheng
  • Patent number: 11002572
    Abstract: Embodiments of the present disclosure provide an optical encoder for an electronic device. The optical encoder includes a spindle and an encoded pattern disposed around a circumference of the spindle. The encoded pattern may include one or more surface features that create a direction-dependent reflective region.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: May 11, 2021
    Assignee: APPLE INC.
    Inventors: Paisith P. Boonsom, Serhan O. Isikman, Richard Ruh, Prashanth S. Holenarsipur, Colin M. Ely, William N. Pickeral, Jairam Manjunathaiah, David G. Havskjold, Anant Rai, Maegan K. Spencer, Milind S. Bhagavat
  • Publication number: 20210098441
    Abstract: Systems, apparatuses, and methods for routing traffic through vertically stacked semiconductor dies are disclosed. A first semiconductor die has a second die stacked vertically on top of it in a three-dimensional integrated circuit. The first die includes a through silicon via (TSV) interconnect that does not traverse the first die. The first die includes one or more metal layers above the TSV, which connect to a bonding pad interface through a bonding pad via. If the signals transferred through the TSV of the first die are shared by the second die, then the second die includes a TSV aligned with the bonding pad interface of the first die. If these signals are not shared by the second die, then the second die includes an insulated portion of a wafer backside aligned with the bonding pad interface.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 1, 2021
    Inventors: John J. Wuu, Milind S. Bhagavat, Brett P. Wilkerson, Rahul Agarwal
  • Publication number: 20210098419
    Abstract: Various multi-die arrangements and methods of manufacturing the same are disclosed. In some embodiments, a method of manufacture includes a face-to-face process in which a first GPU chiplet and a second GPU chiplet are bonded to a temporary carrier wafer. A face surface of an active bridge chiplet is bonded to a face surface of the first and second GPU chiplets before mounting the GPU chiplets to a carrier substrate. In other embodiments, a method of manufacture includes a face-to-back process in which a face surface of an active bridge chiplet is bonded to a back surface of the first and second GPU chiplets.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 1, 2021
    Inventors: Skyler J. SALEH, Ruijin WU, Milind S. BHAGAVAT, Rahul AGARWAL
  • Publication number: 20210098437
    Abstract: An integrated circuit product includes a redistribution layer, an integrated circuit die disposed above the redistribution layer, a row of discrete devices disposed laterally with respect to the integrated circuit die, and encapsulant mechanically coupling the redistribution layer, integrated circuit die, and the row of discrete devices. In at least one embodiment, the row of discrete devices is a row of decoupling capacitors disposed proximate to the integrated circuit die and coupled to the integrated circuit die and a power distribution network. In at least one embodiment, a second integrated circuit die is disposed above the redistribution layer and disposed laterally with respect to the integrated circuit die and the row of discrete devices. The second integrated circuit die is mechanically coupled to the redistribution layer, integrated circuit die, and the row of discrete devices and is partially surrounded by the row of discrete devices.
    Type: Application
    Filed: December 14, 2020
    Publication date: April 1, 2021
    Inventors: Milind S. Bhagavat, Rahul Agarwal
  • Patent number: 10943880
    Abstract: Various semiconductor chips and packages are disclosed. In one aspect, an apparatus is provided that includes a semiconductor chip that has a side, and plural conductive pillars on the side. Each of the conductive pillars includes a pillar portion that has an exposed shoulder facing away from the semiconductor chip. The shoulder provides a wetting surface to attract melted solder. The pillar portion has a first lateral dimension at the shoulder. A solder cap is positioned on the pillar portion. The solder cap has a second lateral dimension smaller than the first lateral dimension.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: March 9, 2021
    Assignee: ADVANCED MICRO DEVICES, INC.
    Inventors: Priyal Shah, Milind S. Bhagavat, Lei Fu
  • Publication number: 20210066144
    Abstract: Various semiconductor chips with solder capped probe test pads are disclosed. In accordance with one aspect of the present invention, a semiconductor chip is provided that includes a substrate, plural input/output (I/O) structures on the substrate and plural test pads on the substrate. Each of the test pads includes a first conductor pad and a first solder cap on the first conductor pad.
    Type: Application
    Filed: August 29, 2019
    Publication date: March 4, 2021
    Inventors: Lei Fu, Milind S. Bhagavat, Chia-Hao Cheng
  • Patent number: 10937755
    Abstract: Various chip stacks and methods and structures of interconnecting the same are disclosed. In one aspect, an apparatus is provided that includes a first semiconductor chip that has a first glass layer and plural first groups of plural conductor pads in the first glass layer. Each of the plural first groups of conductor pads is configured to bumplessly connect to a corresponding second group of plural conductor pads of a second semiconductor chip to make up a first interconnect of a plurality interconnects that connect the first semiconductor chip to the second semiconductor chip. The first glass layer is configured to bond to a second glass layer of the second semiconductor chip.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 2, 2021
    Assignee: ADVANCED MICRO DEVICES, INC.
    Inventors: Priyal Shah, Milind S. Bhagavat
  • Publication number: 20210057352
    Abstract: Various semiconductor chip packages are disclosed. In one aspect, a semiconductor chip package is provided that includes a fan-out redistribution layer (RDL) structure that has plural stacked polymer layers, plural metallization layers, plural conductive vias interconnecting adjacent metallization layers of the metallization layers, and plural rivets configured to resist delamination of one or more of the polymer layers. Each of the plural rivets includes a first head, a second head and a shank connected between the first head and the second head. The first head is part of one of the metallization layers. The shank includes at least one of the conductive vias and at least one part of another of the metallization layers.
    Type: Application
    Filed: August 19, 2019
    Publication date: February 25, 2021
    Inventors: Rahul Agarwal, Milind S. Bhagavat, Priyal Shah, Chia-Hao Cheng, Brett P. Wilkerson, Lei Fu
  • Patent number: 10930621
    Abstract: Various die stacks and methods of creating the same are disclosed. In one aspect, a method of manufacturing is provided that includes mounting a first semiconductor die on a second semiconductor die of a first semiconductor wafer. The second semiconductor die is singulated from the first semiconductor wafer to yield a first die stack. The second semiconductor die of the first die stack is mounted on a third semiconductor die of a second semiconductor wafer. The third semiconductor die is singulated from the second semiconductor wafer to yield a second die stack. The second die stack is mounted on a fourth semiconductor die of a third semiconductor wafer.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: February 23, 2021
    Assignee: ADVANCED MICRO DEVICES, INC.
    Inventors: Rahul Agarwal, Milind S. Bhagavat
  • Publication number: 20210050223
    Abstract: Various semiconductor chips with gettering regions and methods of making the same are disclosed. In one aspect, an apparatus is provided that includes a semiconductor chip that has a first side and a second side opposite the first side. The first side has a plurality of laser ablation craters. Each of the ablation craters has a bottom. A gettering region is in the semiconductor chip beneath the laser ablation craters. The gettering region includes plural structural defects. At least some of the structural defects emanate from at least some of the bottoms of the laser ablation craters.
    Type: Application
    Filed: November 2, 2020
    Publication date: February 18, 2021
    Inventors: RAHUL AGARWAL, MILIND S. BHAGAVAT, IVOR BARBER, VENKATACHALAM VALLIAPPAN, YUEN TING CHENG, GUAN SIN CHOK