Patents by Inventor Andrew J. G. Strandjord

Andrew J. G. Strandjord 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).

  • Optical recording media containing overcoat
    Patent number: 5427892
    Abstract: Optical storage media based on ablative metals give improved stability and offer improved write-read characteristics when they are overcoated with inorganic oxide, nitride, carbide, hydride, oxynitride or carbohydride to a reflectivity of 40-80% at the media write/read wavelength. Preferably the metal and overcoat are applied by sputter-depositing.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: June 27, 1995
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Steven P. Webb, Floyd E. Woodard
  • Optical recording media containing uniform partially oxidized metal layer
    Patent number: 5426013
    Abstract: An optical memory storage medium based on a partially oxidized deposited layer of soft metal alloy is described. A method of preparing the medium by vacuum depositing the soft metal alloy layer in the presence of controlled amounts of gaseous oxidant to thereby form the layer in a uniform partially oxidized form.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: June 20, 1995
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Steven P. Webb
  • Method for the preparation of optical recording media containing overcoat
    Patent number: 5411838
    Abstract: Optical storage media based on ablative metals give improved stability and offer improved write-read characteristics when they are overcoated with inorganic oxide, nitride, carbide, hydride, oxynitride or carbohydride to a reflectivity of 40-80% at the media write/read wavelength. Preferably the metal and overcoat are applied by sputter-depositing.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: May 2, 1995
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Steven P. Webb, Floyd E. Woodard
  • Method for the preparation of optical recording media containing overcoat
    Patent number: 5328813
    Abstract: Optical storage media based on ablative metals give improved stability and offer improved write-read characteristics when they are overcoated with inorganic oxide, nitride, carbide, hydride, oxynitride or carbohydride to a reflectivity of 40-80% at the media write/read wavelength. Preferably the metal and overcoat are applied by sputter-depositing.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: July 12, 1994
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Steven P. Webb, Floyd E. Woodard
  • Method for the preparation of optical recording media containing uniform partially oxidized metal layer
    Patent number: 5302493
    Abstract: An optical memory storage medium based on a partially oxidized deposited layer of soft metal alloy is described. A method of preparing the medium by vacuum depositing the soft metal alloy layer in the presence of controlled amounts of gaseous oxidant to thereby form the layer in a uniform partially oxidized form.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: April 12, 1994
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Steven P. Webb
  • Dye-enhanced deposition of elemental metals and metalloids on substrates
    Patent number: 4994352
    Abstract: An article and method for its perparation is disclosed wherein the article comprises a substrate having at least one planar surface on which is disposed a thermally decomposable metallo-organic compound in active association with a photosensitive dye. The article can be easily processed with, for example, a source of energy such as a laser beam to encode information or produce electroconductive lines.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: February 19, 1991
    Assignee: The Dow Chemical Company
    Inventors: Andrew J. G. Strandjord, Michael S. Paquette, Syamalarao Evani, Ronald L. Yates, Mark D. Newsham