Patents by Inventor Jon D. Jacobs, Jr.

Jon D. Jacobs, Jr. 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).

  • Stacked polishing pad having sealed edge
    Patent number: 6620036
    Abstract: A stacked polishing pad includes an upper polishing layer and a lower sub-layer having major faces which are in contact with each other. The polishing layer is substantially impermeable to liquid while the sub-layer is liquid absorbent. The sub-layer has an outer peripheral edge which is sealed to prevent absorption of liquid into the sub-layer through the outer peripheral edge. When the stacked polishing pad is mounted on a platen of a polishing machine, the sub-layer has no exposed surface which can absorb liquid.
    Type: Grant
    Filed: July 10, 2002
    Date of Patent: September 16, 2003
    Assignee: Rodel Holdings, INC
    Inventors: Peter W. Freeman, Marco A. Acevedo, Jon D. Jacobs, Jr.
  • Stacked polishing pad having sealed edge
    Patent number: 6464576
    Abstract: A stacked polishing pad includes an upper polishing layer and a lower sub-layer having major faces which are in contact with each other. The polishing layer is substantially impermeable to liquid while the sub-layer is liquid absorbent. The sub-layer has an outer peripheral edge which is sealed to prevent absorption of liquid into the sub-layer through the outer peripheral edge. When the stacked polishing pad is mounted on a platen of a polishing machine, the sub-layer has no exposed surface which can absorb liquid.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: October 15, 2002
    Assignee: Rodel Holdings Inc.
    Inventors: Peter W. Freeman, Marco A. Acevedo, Jon D. Jacobs, Jr.