Patents by Inventor NISHANT LAKHERA

NISHANT LAKHERA 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: 11908784
    Abstract: A semiconductor device comprises a substrate including a set of interconnect pads, a die mounted on the substrate, wherein the die includes circuitry that cannot withstand typical lead-free (Pb-free) solder reflow temperature during reflow process, and a reinforcing interposer including a first set of interconnect pads and a second set of interconnect pads. Low temperature solder material connects one of the set of interconnect pads on the substrate to a corresponding one of the first set of interconnect pads on the reinforcing interposer. A printed circuit board includes a set of interconnect pads. Low temperature solder material connects one of the set of interconnect pads of the printed circuit board to a corresponding one of the second set of interconnect pads of the reinforcing interposer. The low temperature solder material has a reflow temperature below typical Pb-free solder material.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: February 20, 2024
    Assignee: NXP USA, Inc.
    Inventors: Akhilesh Kumar Singh, Andrew Jefferson Mawer, Nishant Lakhera, Chee Seng Foong, Nihaar N. Mahatme
  • Publication number: 20230415397
    Abstract: An encapsulant compound apparatus, includes a mechanical operator, and an insert disposed on a surface of the mechanical operator. The insert operates to capture foreign material in the encapsulant compound.
    Type: Application
    Filed: September 11, 2023
    Publication date: December 28, 2023
    Inventors: Sheila F. Chopin, Nishant Lakhera, Boon Yew Low
  • Patent number: 11787097
    Abstract: An encapsulant compound apparatus, includes a mechanical operator, and an insert disposed on a surface of the mechanical operator. The insert operates to capture foreign material in the encapsulant compound.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: October 17, 2023
    Assignee: NXP USA, INC.
    Inventors: Sheila F. Chopin, Nishant Lakhera, Boon Yew Low
  • Publication number: 20220250301
    Abstract: An encapsulant compound apparatus, includes a mechanical operator, and an insert disposed on a surface of the mechanical operator. The insert operates to capture foreign material in the encapsulant compound.
    Type: Application
    Filed: February 10, 2021
    Publication date: August 11, 2022
    Inventors: Sheila F. Chopin, Nishant Lakhera, Boon Yew Low
  • Publication number: 20220093499
    Abstract: A semiconductor device comprises a substrate including a set of interconnect pads, a die mounted on the substrate, wherein the die includes circuitry that cannot withstand typical lead-free (Pb-free) solder reflow temperature during reflow process, and a reinforcing interposer including a first set of interconnect pads and a second set of interconnect pads. Low temperature solder material connects one of the set of interconnect pads on the substrate to a corresponding one of the first set of interconnect pads on the reinforcing interposer. A printed circuit board includes a set of interconnect pads. Low temperature solder material connects one of the set of interconnect pads of the printed circuit board to a corresponding one of the second set of interconnect pads of the reinforcing interposer. The low temperature solder material has a reflow temperature below typical Pb-free solder material.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 24, 2022
    Inventors: Akhilesh Kumar Singh, Andrew Jefferson Mawer, Nishant Lakhera, Chee Seng Foong, Nihaar N. Mahatme
  • Patent number: 11270972
    Abstract: Embodiments for a packaged semiconductor device and methods of making are provided herein, which includes a packaged semiconductor device including: a semiconductor die; a carrier; a plurality of electrical connections formed between the semiconductor die and the carrier; an electrical isolation layer that covers an outer surface of each of the plurality of electrical connections; and a conductive underfill structure between the semiconductor die and the carrier, and surrounding each of the plurality of electrical connections, wherein the electrical isolation layer electrically isolates each electrical connection from the conductive underfill structure.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: March 8, 2022
    Assignee: NXP B.V.
    Inventors: Nishant Lakhera, Akhilesh Kumar Singh, Chee Seng Foong
  • Patent number: 11189557
    Abstract: A method of manufacturing a hybrid package including a flat package and a Wafer Level Chip Scale Package (WLCSP) is disclosed. The method includes fabricating a strip including a plurality of flat packages attached to each other via metal pins, turning the strip upside down, applying a layer of a thermal interface material (TIM) on each of the flat packages while the each of the flat packages is turned upside down, mounting the WLCSP on the layer of the TIM such that a top side of the WLCSP is interfaced with the layer of the TIM, curing the layer of the TIM and singulating each of the flat packages by cutting the metal pins and bending the metal pins.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: November 30, 2021
    Assignee: NXP USA, INC.
    Inventors: Akhilesh Kumar Singh, Nishant Lakhera, Chee Seng Foong
  • Publication number: 20200395332
    Abstract: Embodiments for a packaged semiconductor device and methods of making are provided herein, which includes a packaged semiconductor device including: a semiconductor die; a carrier; a plurality of electrical connections formed between the semiconductor die and the carrier; an electrical isolation layer that covers an outer surface of each of the plurality of electrical connections; and a conductive underfill structure between the semiconductor die and the carrier, and surrounding each of the plurality of electrical connections, wherein the electrical isolation layer electrically isolates each electrical connection from the conductive underfill structure.
    Type: Application
    Filed: June 12, 2019
    Publication date: December 17, 2020
    Inventors: Nishant LAKHERA, Akhilesh Kumar Singh, Chee Seng Foong
  • Publication number: 20200185319
    Abstract: A method of manufacturing a hybrid package including a flat package and a Wafer Level Chip Scale Package (WLCSP) is disclosed. The method includes fabricating a strip including a plurality of flat packages attached to each other via metal pins, turning the strip upside down, applying a layer of a thermal interface material (TIM) on each of the flat packages while the each of the flat packages is turned upside down, mounting the WLCSP on the layer of the TIM such that a top side of the WLCSP is interfaced with the layer of the TIM, curing the layer of the TIM and singulating each of the flat packages by cutting the metal pins and bending the metal pins.
    Type: Application
    Filed: February 14, 2020
    Publication date: June 11, 2020
    Inventors: Akhilesh Kumar Singh, Nishant Lakhera, Chee Seng Foong
  • Publication number: 20200013711
    Abstract: A method of manufacturing a hybrid package including a flat package and a Wafer Level Chip Scale Package (WLCSP) is disclosed. The method includes fabricating a strip including a plurality of flat packages attached to each other via metal pins, turning the strip upside down, applying a layer of a thermal interface material (TIM) on each of the flat packages while the each of the flat packages is turned upside down, mounting the WLCSP on the layer of the TIM such that a top side of the WLCSP is interfaced with the layer of the TIM, curing the layer of the TIM and singulating each of the flat packages by cutting the metal pins and bending the metal pins.
    Type: Application
    Filed: July 9, 2018
    Publication date: January 9, 2020
    Inventors: Akhilesh Kumar Singh, Nishant Lakhera, Chee Seng Foong
  • Patent number: 10431534
    Abstract: Embodiments are provided herein for a packaged semiconductor device and method of fabricating, the device including: a semiconductor die; a redistribution layer (RDL) structure on an active side of the semiconductor die, the RDL structure including a plurality of contact pads on an outer surface of the RDL structure; a plurality of external connections attached to the plurality of contact pads; and a support structure including an attachment portion and two or more standing members extending from an inner surface of the attachment portion, wherein a back side of the package body is attached to the inner surface of the attachment portion.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: October 1, 2019
    Assignee: NXP USA, Inc.
    Inventors: Nishant Lakhera, Gilles Montoriol, Trung Duong, Akhilesh Kumar Singh, Navas Khan Oratti Kalandar
  • Publication number: 20190181079
    Abstract: Embodiments are provided herein for a packaged semiconductor device and method of fabricating, the device including: a semiconductor die; a redistribution layer (RDL) structure on an active side of the semiconductor die, the RDL structure including a plurality of contact pads on an outer surface of the RDL structure; a plurality of external connections attached to the plurality of contact pads; and a support structure including an attachment portion and two or more standing members extending from an inner surface of the attachment portion, wherein a back side of the package body is attached to the inner surface of the attachment portion.
    Type: Application
    Filed: January 8, 2018
    Publication date: June 13, 2019
    Inventors: Nishant Lakhera, Gilles Montoriol, Trung Duong, Akhilesh Kumar Singh, Navas Khan Oratti Kalandar
  • Publication number: 20190157222
    Abstract: Embodiments are provided herein for a packaged semiconductor device that includes a semiconductor die; a redistribution layer (RDL) structure on an active side of the semiconductor die, the RDL structure including a plurality of contact pads on an outer surface of the RDL structure; a plurality of external connections attached to the plurality of contact pads; and an isolation structure on the outer surface of the RDL structure around one or more contact pads of the plurality of contact pads, wherein a height of the isolation structure is at least two thirds of a height of the external connections.
    Type: Application
    Filed: November 20, 2017
    Publication date: May 23, 2019
    Inventors: Nishant LAKHERA, Andrew Jefferson MAWER, Akhilesh Kumar SINGH, Navas Khan ORATTI KALANDAR
  • Publication number: 20190103365
    Abstract: Embodiments for a packaged semiconductor device are provided herein, which includes a substrate; an antenna module attached to a top surface of the substrate, the antenna module including an antenna; an electronic component attached to the top surface of the substrate, the electronic component communicatively coupled to the antenna module through electrical connections in the substrate; a first portion of mold body that encapsulates the antenna module; a second portion of mold body that encapsulates the electronic component, wherein the second portion of mold body is separated from the first portion of mold body by at least a first trench; and a shielding layer that covers the second portion of mold body.
    Type: Application
    Filed: September 29, 2017
    Publication date: April 4, 2019
    Inventors: Akhilesh Kumar SINGH, Nishant Lakhera, Navas Khan Oratti Kalandar
  • Patent number: 10217698
    Abstract: A method for forming a packaged semiconductor device includes attaching a first major surface of a semiconductor die to a plurality of protrusions extending from a package substrate. A top surface of each protrusion has a die attach material, and the plurality of protrusions define an open region between the first major surface of the semiconductor die and the package substrate. Interconnects are formed between a second major surface of the semiconductor die and the package substrate in which the second major surface opposite the first major surface. An encapsulant material is formed over the semiconductor die and the interconnects.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: February 26, 2019
    Assignee: NXP USA, Inc.
    Inventors: Akhilesh K. Singh, Rama I. Hegde, Nishant Lakhera
  • Patent number: 10211184
    Abstract: A packaged semiconductor device includes a first package substrate having a first plurality of lead fingers, a first die attached to a first major surface of the first package substrate, a second package substrate having a second plurality of lead fingers, wherein each of the second plurality of lead fingers extends over the first die and the second package substrate is electrically isolated from the first package substrate. The device also includes a second die attached to a first major surface of the second package substrate, over the first die, and an encapsulant surrounding the first die, the first package substrate, the second die, and the second package substrate, wherein the encapsulant exposes a portion of the first package substrate and a portion of the second package substrate.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: February 19, 2019
    Assignee: NXP USA, Inc.
    Inventors: Nishant Lakhera, Navas Khan Oratti Kalandar, Akhilesh K. Singh
  • Patent number: 10147645
    Abstract: A method of processing a semiconductor wafer includes forming a plurality of die in the semiconductor wafer. The semiconductor wafer has a first brittleness. The top surface the semiconductor wafer undergoes grinding to leave an inner planar surface and a rim, wherein the rim extends above the inner planar surface and around a perimeter of the grinded semiconductor wafer. The first encapsulant material is formed over the inner planar surface and contained within the rim to form a composite semiconductor wafer that has a second brittleness less than the first brittleness. The composite semiconductor wafer is singulated into the plurality of die in which each die of the plurality of die is a composite structure die.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: December 4, 2018
    Assignee: NXP USA, Inc.
    Inventors: Navas Khan Oratti Kalandar, Nishant Lakhera, Akhilesh K. Singh
  • Patent number: 9978614
    Abstract: A packaged semiconductor device includes a substrate, an electronic device coupled to the substrate, encapsulant including a first major surface surrounding the electronic device, and an oxygen barrier layer within fifty percent of a thickness of the encapsulant from a second major surface of the encapsulant. The oxygen barrier covers at least a portion of an area of the second major surface of the encapsulant to help reduce or eliminate warping of the encapsulant and/or the substrate of the packaged semiconductor device due to oxidation. A thickness of the oxygen barrier layer is less than 100 microns.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: May 22, 2018
    Assignee: NXP USA, Inc.
    Inventors: Nishant Lakhera, James R. Guajardo, Varughese Mathew, Akhilesh K. Singh
  • Publication number: 20180114745
    Abstract: An electronic component package that includes a heat spreader with a die pad. An electronic component is attached to each side of the die pad where each electronic component includes conductive terminals on a side facing away from the die pad. Conductive terminals of the top electronic component are wirebonded to conductive surfaces of a package substrate and conductive terminals of the bottom electronic component are physically and electrically attached to conductive surfaces of the package substrate. The heat spreader structure includes tie structures that extend in a direction away from the second electronic component.
    Type: Application
    Filed: October 25, 2016
    Publication date: April 26, 2018
    Inventors: NAVAS KHAN ORATTI KALANDAR, AKHILESH KUMAR SINGH, NISHANT LAKHERA
  • Patent number: 9953904
    Abstract: An electronic component package that includes a heat spreader with a die pad. An electronic component is attached to each side of the die pad where each electronic component includes conductive terminals on a side facing away from the die pad. Conductive terminals of the top electronic component are wirebonded to conductive surfaces of a package substrate and conductive terminals of the bottom electronic component are physically and electrically attached to conductive surfaces of the package substrate. The heat spreader structure includes tie structures that extend in a direction away from the second electronic component.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: April 24, 2018
    Assignee: NXP USA, INC.
    Inventors: Navas Khan Oratti Kalandar, Akhilesh Kumar Singh, Nishant Lakhera