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Three-Dimensional Memory Cells

  • US 20070170520A1
  • Filed: 09/07/2006
  • Published: 07/26/2007
  • Est. Priority Date: 08/28/2002
  • Status: Active Grant
First Claim
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1. A polarized 3D-ROM (three-dimensional read-only memory) cell in a three-dimensional memory (3D-M), comprising:

  • first and second conductive layers; and

    at least a portion of 3D-ROM layer between said first and second conductive layers, said portion of 3D-ROM layer comprising a polarized quasi-conductive layer, said polarized quasi-conductive layer having a lower resistance when the current flows in one direction than when the current flows in the opposite direction;

    wherein said polarized quasi-conductive layer comprises first and second sub-layers of different base materials, or has different interfaces with said first and second conductive layers.

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