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Method for using data regarding manufacturing procedures integrated circuits (IC's) have undergone, such as repairs, to select procedures the IC's will undergo, such as additional repairs

  • US 7,155,300 B2
  • Filed: 03/27/2003
  • Issued: 12/26/2006
  • Est. Priority Date: 06/06/1997
  • Status: Expired due to Fees
First Claim
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1. A manufacturing process for a memory device having a substantially unique identification code using data for manufacturing processes for a plurality of memory devices to select manufacturing processes for each of the memory devices, the process comprising:

  • storing data using a substantially unique identification code of each of the memory devices for identifying manufacturing processes for the memory devices, the storing data including storing data for identifying repairs preformed on each of the memory devices and for identifying spare rows and columns available to effect repairs in each of the memory devices;

    automatically reading the substantially unique identification code of each of the memory devices;

    accessing the data stored in association with the substantially unique identification code of each of the memory devices;

    selecting manufacturing processes for each of the memory devices using the accessed data; and

    assembling acceptable memory devices of the memory devices into packaged memory devices.

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