Patents by Inventor Frederic Boyer

Frederic Boyer 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).

  • Volumetric control of the flow of a filtering pump
    Patent number: 6158966
    Abstract: The present invention relates to a pump of resin deposition on a semiconductive wafer including a pump body divided by a membrane of definition of a resin dispensation chamber and of a control chamber and an element of filtration of the resin before its dispensation to an outlet access of the pump body. The pump includes a control system for injecting the resin under constant pressure into the control chamber and aspiring the resin from the control chamber, and a capacitive presence sensor for detecting a first position of the membrane.
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: December 12, 2000
    Assignee: SGS-Thompson Microelectronics S.A.
    Inventors: Stephane Guespin, Frederic Boyer