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Methods for non lot-based integrated circuit manufacturing

  • US 8,315,730 B2
  • Filed: 05/10/2010
  • Issued: 11/20/2012
  • Est. Priority Date: 03/24/1997
  • Status: Expired due to Fees
First Claim
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1. A method of tracking a device in a manufacturing process, the method comprising:

  • associating a device with a substantially unique identification (ID) code, wherein the substantially unique ID code is retrievable from the device;

    advancing the device through at least a portion of the manufacturing process with one or more other devices without regard to a lot from which any of the devices comes;

    generating data related to the advancement of the device through the at least a portion of the manufacturing process;

    associating the data with the substantially unique ID code; and

    outputting the device to a mixed output lot comprising devices from one or more lots different from the lot with which the device was associated before advancing through the at least a portion of the manufacturing process.

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