Patents by Inventor Lance Robertson

Lance Robertson 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: 11866848
    Abstract: A method of growing a cadmium zinc telluride (CdZnTe) crystal includes providing a crucible including a solid CdZnTe source and forming a Te-rich Cd—Zn—Te melt on the solid CdZnTe source. The method also includes positioning a CdZnTe seed crystal in physical contact with the Te-rich Cd—Zn—Te melt and growing the CdZnTe crystal from the Te-rich Cd—Zn—Te melt.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: January 9, 2024
    Inventors: Lance Robertson, Luigi Colombo, Victor Perez-Rubio, Tim Svoboda, Fred Raymel Harris, Kathryn O'Brien
  • Publication number: 20070257211
    Abstract: The present invention provides a method for implanting ions in a substrate and a method for manufacturing an integrated circuit. The method for implanting ions in a substrate, among other steps, including placing a substrate (410) on an implant platen (405) such that a predominant axes (430) of the substrate (410) is rotated about 30 degrees to about 60 degrees or about 120 degrees to about 150 degrees offset from a radial with respect to the implant platen (405), and further wherein the substrate (410) is not tilted. The method further includes implanting ions into the substrate (410), the rotated position of the predominant axes (430) reducing shadowing.
    Type: Application
    Filed: July 2, 2007
    Publication date: November 8, 2007
    Applicant: TEXAS INSTRUMENTS INCORPORATED
    Inventors: James Bernstein, Lance Robertson, Said Ghneim, Nandu Mahalingam, Benjamin Moser
  • Publication number: 20060258091
    Abstract: The present invention provides a method for manufacturing a semiconductor device. In one embodiment of the present invention, without limitation, the method for manufacturing the semiconductor device includes forming a gate structure (120) over a substrate (110) and forming source/drain regions (190) in the substrate (110) proximate the gate structure (120). The method further includes forming fluorine containing regions (220) in the source/drain regions (190) employing a fluorine containing plasma using a power level of less than about 75 Watts, forming a metal layer (310) over the substrate (110) and fluorine containing regions (220), and reacting the metal layer (310) with the fluorine containing regions (220) to form metal silicide regions (410) in the source/drain regions (190).
    Type: Application
    Filed: May 12, 2005
    Publication date: November 16, 2006
    Applicant: Texas Instruments Inc.
    Inventors: Juanita DeLoach, Lindsey Hall, Lance Robertson, Jiong-Ping Lu, Donald Miles
  • Publication number: 20060121706
    Abstract: The present invention provides a method for implanting charged particles in a substrate and a method for manufacturing an integrated circuit. The method for implanting charged particles in a substrate, among other steps, includes projecting a beam of charged particles (320) to a substrate (330), the beam of charged particles (320) having a given beam divergence, and forming a diverged beam of charged particles (360) by subjecting the beam of charged particles (320) to an energy field (350), thereby causing the beam of charged particles (320) to have a larger beam divergence. The method then desires implanting the diverged beam of charged particles (360) into the substrate (330).
    Type: Application
    Filed: December 7, 2004
    Publication date: June 8, 2006
    Applicant: Texas Instruments, Inc.
    Inventors: James Bernstein, Lance Robertson, Said Ghneim, Jiejie Xu, Jeffrey Loewecke
  • Publication number: 20060073685
    Abstract: The present invention provides a method for implanting a dopant in a substrate and a method for manufacturing a semiconductor device. The method for implanting a dopant, among other steps, including tilting a substrate (310) located on or over an implant platen (305) about an axis in a first direction with respect to an implant source (320) and implanting a portion of an implant dose within the substrate (310) tilted in the first direction. The method further includes tilting the substrate (310) having already been tilted in the first direction about the axis in a second opposite direction, and implanting at least a portion of the implant dose within the substrate (310) tilted in the second opposite direction.
    Type: Application
    Filed: October 1, 2004
    Publication date: April 6, 2006
    Applicant: Texas Instruments Incorporated
    Inventors: Said Ghneim, James Bernstein, Lance Robertson, Jiejie Xu, Jeffrey Loewecke
  • Publication number: 20060019478
    Abstract: A method for forming metal silicide regions in source and drain regions (160, 170) is described. Prior to the thermal annealing of the source and drain regions (160, 170), germanium is implanted into a semiconductor substrate adjacent to sidewall structures (90, 95) formed adjacent gate structures (60, 70). The position of the implanted germanium species in the semiconductor substrate will overlap the source and drain regions (160, 170). Following thermal annealing of the source and drain regions (160, 170), the implanted germanium prevents the formation of metal silicide spikes.
    Type: Application
    Filed: July 21, 2004
    Publication date: January 26, 2006
    Inventors: Song Zhao, Sue Crank, Amitava Chatterjee, Kaiping Liu, Jiong-Ping Lu, Donald Miles, Duofeng Yue, Lance Robertson
  • Publication number: 20060014387
    Abstract: A silicide 160 is formed in exposed silicon on a semiconductor wafer 10 by a method that includes forming a thin interface layer 140 over the semiconductor wafer 10 and performing a first low temperature anneal to create the silicide 160. The method further includes removing an unreacted portion of the interface layer 140 and performing a second low temperature anneal to complete the formation of a low resistance silicide 160.
    Type: Application
    Filed: June 17, 2005
    Publication date: January 19, 2006
    Inventors: Lance Robertson, Jiong-Ping Lu, Donald Miles
  • Publication number: 20060001105
    Abstract: The present invention provides, in one embodiment, a method of fabricating a semiconductor device (100). The method comprises growing an oxide layer (120) on a gate structure (114) and a substrate (102) and implanting a dopant (124) into the substrate (102) and the oxide layer (120). Implantation is such that a portion of the dopant (124) remains in the oxide layer (120) to form an implanted oxide layer (126). The method further includes depositing a protective oxide layer (132) on the implanted oxide layer (126) and forming etch-resistant off-set spacers (134). The etch-resistant off-set spacers (134) are formed adjacent sidewalls of the gate structure (114) and on the protective oxide layer (132). The etch resistant off-set spacers having an inner perimeter (135) adjacent the sidewalls and an opposing outer perimeter (136). The method also comprises removing portions of the protective oxide layer (132) lying outside the outer perimeter (136) of the etch-resistant off-set spacers (134).
    Type: Application
    Filed: July 12, 2005
    Publication date: January 5, 2006
    Inventors: Brian Hornung, Xin Zhang, Lance Robertson, Srinivasan Chakravarthi, P. Chidambaram
  • Publication number: 20050255683
    Abstract: The present invention provides a method for implanting ions in a substrate and a method for manufacturing an integrated circuit. The method for implanting ions in a substrate, among other steps, including placing a substrate (410) on an implant platen (405) such that a predominant axes (430) of the substrate (410) is rotated about 30 degrees to about 60 degrees or about 120 degrees to about 150 degrees offset from a radial with respect to the implant platen (405), and further wherein the substrate (410) is not tilted. The method further includes implanting ions into the substrate (410), the rotated position of the predominant axes (430) reducing shadowing.
    Type: Application
    Filed: December 7, 2004
    Publication date: November 17, 2005
    Applicant: Texas Instruments Incorporated
    Inventors: James Bernstein, Lance Robertson, Said Ghneim, Nandu Mahalingam, Benjamin Moser
  • Publication number: 20050245021
    Abstract: The present invention provides, in one embodiment, a method of fabricating a semiconductor device (100). The method comprises growing an oxide layer (120) on a gate structure (114) and a substrate (102) and implanting a dopant (124) into the substrate (102) and the oxide layer (120). Implantation is such that a portion of the dopant (124) remains in the oxide layer (120) to form an implanted oxide layer (126). The method further includes depositing a protective oxide layer (132) on the implanted oxide layer (126) and forming etch-resistant off-set spacers (134). The etch-resistant off-set spacers (134) are formed adjacent sidewalls of the gate structure (114) and on the protective oxide layer (132). The etch resistant off-set spacers having an inner perimeter (135) adjacent the sidewalls and an opposing outer perimeter (136). The method also comprises removing portions of the protective oxide layer (132) lying outside the outer perimeter (136) of the etch-resistant off-set spacers (134).
    Type: Application
    Filed: April 29, 2004
    Publication date: November 3, 2005
    Applicant: Texas Instruments, Incorporated
    Inventors: Brian Hornung, Xin Zhang, Lance Robertson, Srinivasan Chakravarthi, P.R. Chidambaram
  • Publication number: 20050208764
    Abstract: Fluorine containing regions (70) are formed in the source and drain regions (60) of the MOS transistor. A metal layer (90) is formed over the fluorine containing regions (70) and the source and drain regions (60). The metal layer is reacted with the underlying fluorine containing regions to form a metal silicide.
    Type: Application
    Filed: March 7, 2005
    Publication date: September 22, 2005
    Inventors: Jiong-Ping Lu, Duofeng Yue, Xiaozhan Liu, Donald Miles, Lance Robertson
  • Publication number: 20050112830
    Abstract: The invention describes a method for forming ultra shallow junction formation. Dopant species are implanted into a semiconductor. Solid phase epitaxy anneals and subsequent ultra high temperature anneals are performed following the implantation processes.
    Type: Application
    Filed: April 2, 2004
    Publication date: May 26, 2005
    Inventors: Amitabh Jain, Lance Robertson