Patents Assigned to P.R. Hoffman Machine Products, Inc.
  • RFID-containing carriers used for silicon wafer quality
    Patent number: 8388410
    Abstract: A carrier configured for use in a lapping machine includes a body having a first opening for carrying a work piece during operation of the lapping machine. A device is arranged and disposed in the body. The device is configured to retain information readable by a reading device for identifying the body.
    Type: Grant
    Filed: November 5, 2007
    Date of Patent: March 5, 2013
    Assignee: P.R. Hoffman Machine Products, Inc.
    Inventor: John Wesley Albright, Jr.