Patents by Inventor Igor Karasev

Igor Karasev 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: 9973719
    Abstract: Apparatus, systems, and methods are described to assist in reducing dark current in an active pixel sensor. In various embodiments, a potential barrier arrangement is configured to block the flow of charge carriers generated outside a photosensitive region. In various embodiments, a potential well-potential barrier arrangement is formed to direct charge carriers away from the photosensitive region during an integration time.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: May 15, 2018
    Assignee: Micron Technology, Inc.
    Inventors: Chen Xu, Gennadiy Agranov, Igor Karasev
  • Publication number: 20150215557
    Abstract: Apparatus, systems, and methods are described to assist in reducing dark current in an active pixel sensor. In various embodiments, a potential barrier arrangement is configured to block the flow of charge carriers generated outside a photosensitive region. In various embodiments, a potential well-potential barrier arrangement is formed to direct charge carriers away from the photosensitive region during an integration time.
    Type: Application
    Filed: April 10, 2015
    Publication date: July 30, 2015
    Inventors: Chen Xu, Gennadiy Agranov, Igor Karasev
  • Patent number: 9029924
    Abstract: Apparatus, systems, and methods are described to assist in reducing dark current in an active pixel sensor. In various embodiments, a potential barrier arrangement is configured to block the flow of charge carriers generated outside a photosensitive region. In various embodiments, a potential well-potential barrier arrangement is formed to direct charge carriers away from the photosensitive region during an integration time.
    Type: Grant
    Filed: January 16, 2012
    Date of Patent: May 12, 2015
    Assignee: Micron Technology, Inc.
    Inventors: Chen Xu, Gennadiy Agranov, Igor Karasev
  • Publication number: 20120119317
    Abstract: Apparatus, systems, and methods are described to assist in reducing dark current in an active pixel sensor. In various embodiments, a potential barrier arrangement is configured to block the flow of charge carriers generated outside a photosensitive region. In various embodiments, a potential well-potential barrier arrangement is formed to direct charge carriers away from the photosensitive region during an integration time.
    Type: Application
    Filed: January 16, 2012
    Publication date: May 17, 2012
    Inventors: Chen Xu, Gennadiy Agranov, Igor Karasev
  • Patent number: 8114718
    Abstract: Apparatus, systems, and methods are described to assist in reducing dark current in an active pixel sensor. In various embodiments, a potential barrier arrangement is configured to block the flow of charge carriers generated outside a photosensitive region. In various embodiments, a potential well-potential barrier arrangement is formed to direct charge carriers away from the photosensitive region during an integration time.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: February 14, 2012
    Assignee: Micron Technology, Inc.
    Inventors: Chen Xu, Gennadiy Agranov, Igor Karasev
  • Patent number: 8097908
    Abstract: Apparatus, systems, and methods are described to assist in reducing dark current in an active pixel sensor. In various embodiments, a potential barrier arrangement is configured to block the flow of charge carriers generated outside a photosensitive region. In various embodiments, a potential well-potential barrier arrangement is formed to direct charge carriers away from the photosensitive region during an integration time.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: January 17, 2012
    Assignee: Micron Technology, Inc.
    Inventors: Chen Xu, Gennadiy Agranov, Igor Karasev
  • Publication number: 20100219342
    Abstract: Apparatus, systems, and methods are described to assist in reducing dark current in an active pixel sensor. In various embodiments, a potential barrier arrangement is configured to block the flow of charge carriers generated outside a photosensitive region. In various embodiments, a potential well-potential barrier arrangement is formed to direct charge carriers away from the photosensitive region during an integration time.
    Type: Application
    Filed: March 8, 2010
    Publication date: September 2, 2010
    Inventors: Chen Xu, Gennadiy Agranov, Igor Karasev
  • Publication number: 20100163933
    Abstract: Apparatus, systems, and methods are described to assist in reducing dark current in an active pixel sensor. In various embodiments, a potential barrier arrangement is configured to block the flow of charge carriers generated outside a photosensitive region. In various embodiments, a potential well-potential barrier arrangement is formed to direct charge carriers away from the photosensitive region during an integration time.
    Type: Application
    Filed: March 8, 2010
    Publication date: July 1, 2010
    Inventors: Chen Xu, Gennadiy Agranov, Igor Karasev
  • Patent number: 7675093
    Abstract: Apparatus, systems and methods are described to assist in reducing dark current in an active pixel sensor. A potential barrier arrangement is configured to block the flow of charge carriers generated outside a photosensitive region. In various embodiments, a potential well-potential barrier arrangement is formed to direct charge carriers away from the photosensitive region during an integration time.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: March 9, 2010
    Assignee: Micron Technology, Inc.
    Inventors: Chen Xu, Gennadiy Agranov, Igor Karasev
  • Patent number: 7576361
    Abstract: Imaging devices having reduced image artifacts are disclosed. The image artifacts in the imaging devices are reduced by redirecting, absorbing or scattering IR radiation that passes through the imaging device substrate away from dark pixels.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: August 18, 2009
    Assignee: Aptina Imaging Corporation
    Inventors: Gennadiy A. Agranov, Igor Karasev
  • Publication number: 20080122956
    Abstract: Apparatus, systems and methods are described to assist in reducing dark current in an active pixel sensor. A potential barrier arrangement is configured to block the flow of charge carriers generated outside a photosensitive region. In various embodiments, a potential well-potential barrier arrangement is formed to direct charge carriers away from the photosensitive region during an integration time.
    Type: Application
    Filed: November 28, 2006
    Publication date: May 29, 2008
    Inventors: Chen Xu, Gennadiy Agranov, Igor Karasev
  • Publication number: 20070031988
    Abstract: Imaging devices having reduced image artifacts are disclosed. The image artifacts in the imaging devices are reduced by redirecting, absorbing or scattering IR radiation that passes through the imaging device substrate away from dark pixels.
    Type: Application
    Filed: August 3, 2005
    Publication date: February 8, 2007
    Inventors: Gennadiy Agranov, Igor Karasev