Patents by Inventor Edwin J. Pritchard

Edwin J. Pritchard 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).

  • Article mounting adhesive
    Patent number: 4052221
    Abstract: A chlorinated naphthalene and a paraterphenyl are mixed to provide an adhesive for adhering a semiconductor wafer to a support for processing.The adhesive so formed may be evaporated at the end of processing the wafer, without leaving a residue, to release the devices which have been formed from the wafer.
    Type: Grant
    Filed: May 4, 1976
    Date of Patent: October 4, 1977
    Assignee: Western Electric Company, Inc.
    Inventor: Edwin J. Pritchard
  • Method for adhering one surface to another
    Patent number: 3970494
    Abstract: A chlorinated naphthalene and a paraterphenyl are mixed to provide an adhesive for adhering a semiconductor wafer to a support for processing.The adhesive so formed may be evaporated at the end of processing the wafer, without leaving a residue, to release the devices which have been formed from the wafer.
    Type: Grant
    Filed: April 18, 1975
    Date of Patent: July 20, 1976
    Assignee: Western Electric Co., Inc.
    Inventor: Edwin J. Pritchard