Patents by Inventor Robert Bicknell-Tassius

Robert Bicknell-Tassius 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: 20060030068
    Abstract: A method of forming a diode structure for a phase-change data storage array, having multiple thin film layers adapted to form a plurality of data storage cell diodes is disclosed. The method includes depositing a first diode layer of CuInSe material on a substrate and depositing a second diode layer of phase-change material on the first diode layer.
    Type: Application
    Filed: October 17, 2005
    Publication date: February 9, 2006
    Inventors: Gary Ashton, Gary Gibson, Robert Bicknell-Tassius
  • Patent number: 6961299
    Abstract: A storage device has a stator layer, an emitter layer, and a rotor layer. The rotor layer has a plurality of data clusters, each having a substrate which is electrically isolated from the other data clusters by a dielectric material. Another storage device has a means for electrically isolating a plurality of data clusters, each having phase change media coupled to a conductive substrate, from each other. The storage device also has a means for reading a differential signal from each of the data clusters based on currents which flow from the phase change media to the conductive substrate in each data cluster. A method of electrically isolating conductive regions on a micromover device is also provided.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: November 1, 2005
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Robert Bicknell-Tassius, Gary R. Ashton
  • Publication number: 20050152175
    Abstract: A storage device and a storage system employing the storage device. In one embodiment, the storage device comprises an electron emitter and a storage medium comprising an information layer having at least a first state and a second state for storing information. The storage device comprises a resistance measurement system coupled to the storage medium for reading the information stored at the information layer by measuring resistance to determine a state of a storage area on the information layer.
    Type: Application
    Filed: January 13, 2004
    Publication date: July 14, 2005
    Inventors: Gary Ashton, Robert Bicknell-Tassius
  • Publication number: 20050048733
    Abstract: An ultra-high density data storage device using phase-change diode memory cells, and having a plurality of emitters for directing beams of directed energy, a layer for forming multiple data storage cells and a layered diode structure for detecting a memory or data state of the storage cells, wherein the device comprises a phase-change data storage layer capable of changing states in response to the beams from the emitters, and a second layer forming one layer in the layered diode structure, the second layer comprising a material containing copper, indium and selenium. A method of forming a diode structure for a phase-change data storage array, having multiple thin film layers adapted to form a plurality of data storage cell diodes, comprises depositing a first diode layer of CuInSe material on a substrate and depositing a second diode layer of phase-change material on the first diode layer.
    Type: Application
    Filed: September 3, 2003
    Publication date: March 3, 2005
    Inventors: Gary Ashton, Gary Gibson, Robert Bicknell-Tassius
  • Publication number: 20050017624
    Abstract: An emitter includes a single crystal electron source, an epitaxial layer, and a thin conductor layer. When an electric field is induced from the conductor across the epitaxial layer, electrons are emitted from the electron source, transported through the epitaxial layer, and are emitted from the conductor layer.
    Type: Application
    Filed: July 23, 2003
    Publication date: January 27, 2005
    Inventors: Thomas Novet, Paul Benning, Alexander Govyadinov, Robert Bicknell-Tassius
  • Publication number: 20040109402
    Abstract: A storage device has a stator layer, an emitter layer, and a rotor layer. The rotor layer has a plurality of data clusters, each having a substrate which is electrically isolated from the other data clusters by a dielectric material. Another storage device has a means for electrically isolating a plurality of data clusters, each having phase change media coupled to a conductive substrate, from each other. The storage device also has a means for reading a differential signal from each of the data clusters based on currents which flow from the phase change media to the conductive substrate in each data cluster. A method of electrically isolating conductive regions on a micromover device is also provided.
    Type: Application
    Filed: December 5, 2002
    Publication date: June 10, 2004
    Inventors: Robert Bicknell-Tassius, Gary R. Ashton
  • Patent number: 6576318
    Abstract: A method of forming a crystalline, phase-change layer that remains atomically smooth on its surface. Also, an atomically smooth, crystalline, phase-change layer made according to this method. The method can include forming a phase-change layer over a substrate, forming a thick capping layer over the phase-change layer, changing the phase-change layer from an amorphous phase to a crystalline phase, removing the thick capping layer, and forming a thin capping layer over the phase-change layer.
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: June 10, 2003
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Heon Lee, Robert Bicknell-Tassius
  • Publication number: 20020182363
    Abstract: A method of forming a crystalline, phase-change layer that remains atomically smooth on its surface. Also, an atomically smooth, crystalline, phase-change layer made according to this method. The method can include forming a phase-change layer over a substrate, forming a thick capping layer over the phase-change layer, changing the phase-change layer from an amorphous phase to a crystalline phase, removing the thick capping layer, and forming a thin capping layer over the phase-change layer.
    Type: Application
    Filed: June 5, 2001
    Publication date: December 5, 2002
    Inventors: Heon Lee, Robert Bicknell-Tassius