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SEMICONDUCTOR DEVICE STRUCTURE AND METHOD FOR FORMING THE SAME

  • US 20160163876A1
  • Filed: 12/04/2014
  • Published: 06/09/2016
  • Est. Priority Date: 12/04/2014
  • Status: Active Grant
First Claim
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1. A semiconductor device structure, comprising:

  • a semiconductor substrate;

    a first gate stack over the semiconductor substrate;

    a second gate stack over the semiconductor substrate;

    an erase gate between the first gate stack and the second gate stack, wherein the erase gate has a recess recessed toward the semiconductor substrate;

    a first word line adjacent to the first gate stack;

    a second word line adjacent to the second gate stack;

    a first spacer over a top surface of the erase gate; and

    a second spacer over the top surface of the erase gate, wherein the first spacer and the second spacer are separated from each other.

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