Patents by Inventor Andre Baldy

Andre Baldy 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).

  • Polishing machine having a taut microabrasive strip and an improved wafer support head
    Patent number: 5335453
    Abstract: A polishing machine having a taut microabrasive sheet. The machine includes a machine polishing disk in the form of a planar reference disk and a microabrasive sheet held taut on the disk by an appropriate mechanism. The mechanism for holding the microabrasive sheet taut can be a delivery roll and a receiving roll. The machine can be applied to the polishing of silicon wafers containing integrated components and in particular magnetic read-write heads.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: August 9, 1994
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Andre Baldy, Gerard Barrois, Henri Blanc, Marcel Dominiak
  • Polishing machine with an improved sample holding table
    Patent number: 5297361
    Abstract: Polishing machine with an improved sample holding table in which the table has a cardan system with two first shafts having a first common longitudinal axis and two second shafts having a second common longitudinal axis. The shaft axes being in a polishing plane and intersecting in the center of the sample face to be polished. The machine can be applied to the production of magnetic read-write heads.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: March 29, 1994
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Andre Baldy, Gerard Barrois, Henri Blanc, Marcel Dominiak