Patents by Inventor Lewis C. Abra

Lewis C. Abra 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: 20250056917
    Abstract: A solar cell can include a first plurality of metal contact fingers, and a second plurality of metal contact fingers interdigitated with the first plurality of metal contact fingers, wherein at least one of the first plurality of metal contact fingers comprises a wrap-around metal finger that passes between a first edge of the solar cell and at least one contact pads. A photovoltaic (PV) string including a solar cell with a wrap-around metal contact finger. A method of coupling an electrically conductive connector to a solar cell with a wrap-around metal contact finger.
    Type: Application
    Filed: October 30, 2024
    Publication date: February 13, 2025
    Inventors: Matthieu Minault Reich, Lewis C. Abra, David Fredric Joel Kavulak, Andrea R. Bowring, Benjamin Francois, Peter J. Cousins, Boris Bastien, Benjamin I. Hsia, Raphael M. Manalo
  • Patent number: 12166139
    Abstract: A solar cell can include a first plurality of metal contact fingers, and a second plurality of metal contact fingers interdigitated with the first plurality of metal contact fingers, wherein at least one of the first plurality of metal contact fingers comprises a wrap-around metal finger that passes between a first edge of the solar cell and at least one contact pads. A photovoltaic (PV) string including a solar cell with a wrap-around metal contact finger. A method of coupling an electrically conductive connector to a solar cell with a wrap-around metal contact finger.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: December 10, 2024
    Assignee: Maxeon Solar Pte. Ltd.
    Inventors: Matthieu Minault Reich, Lewis C. Abra, David Fredric Joel Kavulak, Andrea R. Bowring, Benjamin Francois, Peter J. Cousins, Boris Bastien, Benjamin I. Hsia, Raphael M. Manalo
  • Patent number: 12080815
    Abstract: Metallization of semiconductor substrates using a laser beam, and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, solar cell circuit, solar cell strings, and solar cell arrays are described. A solar cell string can include a plurality of solar cells. The plurality of solar cells can include a substrate and a plurality of semiconductor regions disposed in or above the substrate. A plurality of conductive contact structures is electrically connected to the plurality semiconductor regions. Each conductive contact structure includes a locally deposited metal portion disposed in contact with a corresponding one of the semiconductor regions.
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: September 3, 2024
    Assignee: Maxeon Solar Pte. Ltd.
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron Randolph Barkhouse, Lewis C. Abra, George G. Correos, Marc Robinson, Paul W. Loscutoff, Ryan Reagan, David Okawa, Tamir Lance, Thierry Nguyen
  • Publication number: 20230253517
    Abstract: Metallization of semiconductor substrates using a laser beam, and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, solar cell circuit, solar cell strings, and solar cell arrays are described. A solar cell string can include a plurality of solar cells. The plurality of solar cells can include a substrate and a plurality of semiconductor regions disposed in or above the substrate. A plurality of conductive contact structures is electrically connected to the plurality semiconductor regions. Each conductive contact structure includes a locally deposited metal portion disposed in contact with a corresponding one of the semiconductor regions.
    Type: Application
    Filed: April 21, 2023
    Publication date: August 10, 2023
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron Randolph Barkhouse, Lewis C. Abra, George G. Correos, Marc Robinson, Paul W. Loscutoff, Ryan Reagan, David Okawa, Tamir Lance, Thierry Nguyen
  • Patent number: 11682737
    Abstract: A method for fabricating a solar cell and the and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, are described. The method can include: providing a solar cell having metal foil having first regions that are electrically connected to semiconductor regions on a substrate at a plurality of conductive contact structures, and second regions; locating a carrier sheet over the second regions; bonding the carrier sheet to the second regions; and removing the carrier sheet from the substrate to selectively remove the second regions of the metal foil.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: June 20, 2023
    Assignee: Maxeon Solar Pte. Ltd.
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron Randolph Barkhouse, Lewis C. Abra, George G. Correos, Boris Bastien
  • Patent number: 11664472
    Abstract: Metallization of semiconductor substrates using a laser beam, and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, solar cell circuit, solar cell strings, and solar cell arrays are described. A solar cell string can include a plurality of solar cells. The plurality of solar cells can include a substrate and a plurality of semiconductor regions disposed in or above the substrate. A plurality of conductive contact structures is electrically connected to the plurality semiconductor regions. Each conductive contact structure includes a locally deposited metal portion disposed in contact with a corresponding one of the semiconductor regions.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: May 30, 2023
    Assignee: Maxeon Solar Pte. Ltd.
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron Randolph Barkhouse, Lewis C. Abra, George G. Correos, Marc Robinson, Paul W. Loscutoff, Ryan Reagan, David Okawa, Tamir Lance, Thierry Nguyen
  • Patent number: 11646387
    Abstract: A method of fabricating solar cell, solar laminate and/or solar module string is provided. The method may include: locating a metal foil over a plurality of semiconductor substrates; exposing the metal foil to laser beam over selected portions of the plurality of semiconductor substrates, wherein exposing the metal foil to the laser beam forms a plurality conductive contact structures having of locally deposited metal portion electrically connecting the metal foil to the semiconductor substrates at the selected portions; and selectively removing portions of the metal foil, wherein remaining portions of the metal foil extend between at least two of the plurality of semiconductor substrates.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: May 9, 2023
    Assignee: Maxeon Solar Pte. Ltd.
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron Randolph Barkhouse, David C. Okawa, David F. Kavulak, Lewis C. Abra, George G. Correos, Richard Hamilton Sewell, Ryan Reagan, Tamir Lance, Thierry Nguyen
  • Publication number: 20220158001
    Abstract: A method for fabricating a solar cell and the and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, are described. The method can include: providing a solar cell having metal foil having first regions that are electrically connected to semiconductor regions on a substrate at a plurality of conductive contact structures, and second regions; locating a carrier sheet over the second regions; bonding the carrier sheet to the second regions; and removing the carrier sheet from the substrate to selectively remove the second regions of the metal foil.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron Randolph Barkhouse, Lewis C. Abra, George G. Correos, Boris Bastien
  • Patent number: 11276785
    Abstract: A method for fabricating a solar cell and the and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, are described. The method can include: providing a solar cell having metal foil having first regions that are electrically connected to semiconductor regions on a substrate at a plurality of conductive contact structures, and second regions; locating a carrier sheet over the second regions; bonding the carrier sheet to the second regions; and removing the carrier sheet from the substrate to selectively remove the second regions of the metal foil.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: March 15, 2022
    Assignee: SunPower Corporation
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron Randolph Barkhouse, Lewis C. Abra, George G. Correos, Boris Bastien
  • Publication number: 20200105951
    Abstract: A solar cell can include a first plurality of metal contact fingers, and a second plurality of metal contact fingers interdigitated with the first plurality of metal contact fingers, wherein at least one of the first plurality of metal contact fingers comprises a wrap-around metal finger that passes between a first edge of the solar cell and at least one contact pads. A photovoltaic (PV) string including a solar cell with a wrap-around metal contact finger. A method of coupling an electrically conductive connector to a solar cell with a wrap-around metal contact finger.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 2, 2020
    Inventors: Matthieu Minault Reich, Lewis C. Abra, David Fredric Joel Kavulak, Andrea R. Bowring, Benjamin Francois, Peter J. Cousins, Boris Bastien, Benjamin I. Hsia, Raphael M. Manalo
  • Publication number: 20190312166
    Abstract: A method of fabricating solar cell, solar laminate and/or solar module string is provided. The method may include: locating a metal foil over a plurality of semiconductor substrates; exposing the metal foil to laser beam over selected portions of the plurality of semiconductor substrates, wherein exposing the metal foil to the laser beam forms a plurality conductive contact structures having of locally deposited metal portion electrically connecting the metal foil to the semiconductor substrates at the selected portions; and selectively removing portions of the metal foil, wherein remaining portions of the metal foil extend between at least two of the plurality of semiconductor substrates.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 10, 2019
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron Randolph Barkhouse, David C. Okawa, David F. Kavulak, Lewis C. Abra, George G. Correos, Richard Hamilton Sewell, Ryan Reagan, Tamir Lance, Thierry Nguyen
  • Publication number: 20190312157
    Abstract: A method for fabricating a solar cell and the and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, are described. The method can include: providing a solar cell having metal foil having first regions that are electrically connected to semiconductor regions on a substrate at a plurality of conductive contact structures, and second regions; locating a carrier sheet over the second regions; bonding the carrier sheet to the second regions; and removing the carrier sheet from the substrate to selectively remove the second regions of the metal foil.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 10, 2019
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron Randolph Barkhouse, Lewis C. Abra, George G. Correos, Boris Bastien
  • Publication number: 20190312163
    Abstract: Metallization of semiconductor substrates using a laser beam, and the resulting structures, e.g., micro-electronic devices, semiconductor substrates and/or solar cells, solar cell circuit, solar cell strings, and solar cell arrays are described. A solar cell string can include a plurality of solar cells. The plurality of solar cells can include a substrate and a plurality of semiconductor regions disposed in or above the substrate. A plurality of conductive contact structures is electrically connected to the plurality semiconductor regions. Each conductive contact structure includes a locally deposited metal portion disposed in contact with a corresponding one of the semiconductor regions.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 10, 2019
    Inventors: Pei Hsuan Lu, Benjamin I. Hsia, David Aaron Randolph Barkhouse, Lewis C. Abra, George G. Correos, Marc Robinson, Paul W. Loscutoff, Ryan Reagan, David Okawa, Tamir Lance, Thierry Nguyen