Patents by Inventor Michael A. Verdone

Michael A. Verdone 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).

  • Slider for inhibiting stiction and with backbar
    Patent number: 5708540
    Abstract: Salient embodiments comprise magnetic recording sliders whose record-confronting face is characterized by two or three rails wherein stiction forces are counter-acted by provision of "boss means" on one or several rails, or therebetween; and also characterized by provision of "back-bar means" and associated purge channel means; and methods for rendering such are also described.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: January 13, 1998
    Assignee: Unisys Corporation
    Inventors: Raju S. Ananth, Michael A. Verdone
  • Slider for inhibiting stiction
    Patent number: 5572386
    Abstract: Salient embodiments comprise magnetic recording sliders whose record-confronting face is characterized by two or three rails wherein stiction forces are counter-acted by provision of "boss means" on one or several rails, or therebetween; and also characterized by provision of "back-bar means" and associated purge channel means; and methods for rendering such are also described.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 5, 1996
    Assignee: Unisys Corporation
    Inventors: Raju S. Ananth, Michael A. Verdone
  • Techniques for providing slider with boss
    Patent number: 5508861
    Abstract: Salient embodiments comprise a magnetic recording slider whose record-confronting face is characterized by two or three rails wherein stiction forces are counter-acted by provision of piezo-electric boss means on one or several rails, or therebetween.
    Type: Grant
    Filed: August 17, 1994
    Date of Patent: April 16, 1996
    Assignee: Unisys Corporation
    Inventors: Raju S. Ananth, Michael A. Verdone
  • Methods for providing back bar and boss for slider
    Patent number: 5479306
    Abstract: Salient embodiments comprise magnetic recording sliders whose record-confronting face is characterized by two or three rails wherein stiction forces are counter-acted by provision of "boss means" on one or several rails, or therebetween; and also characterized by provision of "back-bar means" and associated purge channel means; and methods for rendering such are also described.
    Type: Grant
    Filed: July 5, 1994
    Date of Patent: December 26, 1995
    Assignee: Unisys Corporation
    Inventors: Raju S. Ananth, Michael A. Verdone
  • Techique for providing back bar and boss for slider
    Patent number: 5327311
    Abstract: Salient embodiments comprise magnetic recording sliders whose record-confronting face is characterized by two or three rails wherein stiction forces are counter-acted by provision of a "boss" on one or several rails, or therebetween; and also characterized by provision of a "back-bar" and associated a purge channel; and methods for rendering such are also described.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: July 5, 1994
    Assignee: Unisys Corporation
    Inventors: Raju S. Ananth, Michael A. Verdone
  • Method of adapting slider to include back-bar
    Patent number: 5220470
    Abstract: A method of adapting a magnetic recording slider having a shallow "flying cavity" on its media-confronting face to exhibit "self-purging", better stability and increased stiffness, this method including: providing a back bar across the trailing face of the cavity, with a purge channel in the back-bar to purge the cavity of gas and associated contaminants.
    Type: Grant
    Filed: June 10, 1992
    Date of Patent: June 15, 1993
    Assignee: Unisys Corporation
    Inventors: Raju S. Ananth, Michael A. Verdone
  • Slider with boss
    Patent number: 5067037
    Abstract: Salient embodiments comprise a magnetic recording slider whose record-confronting face is characterized by two or three rails wherein stiction forces are counteracted by provision of piezo-electric boss means on one or several rails, or therebetween.
    Type: Grant
    Filed: March 5, 1991
    Date of Patent: November 19, 1991
    Assignee: Unisys Corp.
    Inventors: Raju S. Ananth, Michael A. Verdone
  • Slider with piezo-boss
    Patent number: 5034828
    Abstract: Salient embodiments comprise a magnetic recording slider whose record-confronting face is characterized by two or three rails wherein stiction forces are counter-acted by provision of piezo-electric boss means on one or several rails, or therebetween.
    Type: Grant
    Filed: October 16, 1989
    Date of Patent: July 23, 1991
    Assignee: Unisys Corp.
    Inventors: Raju S. Ananth, Michael A. Verdone
  • Fabrication of "Delta" magnetic head-sliders
    Patent number: 4644641
    Abstract: Described are Delta-shaped magnetic recording "sliders", some being provided with a "back-bar" and associate "purge channel", the air bearing surface area of the sliders increasing gradually from a minimum at its nose to a maximum at its trailing edge.
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: February 24, 1987
    Assignee: Memorex Corporation
    Inventor: Michael A. Verdone