×

Sequential unique marking

  • US 7,440,860 B2
  • Filed: 08/12/2005
  • Issued: 10/21/2008
  • Est. Priority Date: 08/10/2001
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of culling semiconductor devices, comprising:

  • retrieving a plurality of semiconductor devices from at least one reject bin;

    providing at least one carrier having a plurality of pocket locations;

    assigning an ID code to the at least one carrier;

    placing each semiconductor device of the plurality of semiconductor devices in a pocket location of the plurality of pocket locations;

    testing each semiconductor device of the plurality of semiconductor devices to develop corresponding test data;

    generating a tray map comprising the ID code and the corresponding test data of each semiconductor device of the plurality of semiconductor devices; and

    marking each semiconductor device of the plurality of semiconductor devices with a unique marking representing the corresponding test data.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×