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Multi-Layer Single Crystal 3D Stackable Memory

  • US 20120181654A1
  • Filed: 08/31/2011
  • Published: 07/19/2012
  • Est. Priority Date: 01/19/2011
  • Status: Active Grant
First Claim
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1. A method for manufacturing a memory device, the method comprising:

  • bonding a first single crystal semiconductor body to a surface of a first layer of insulating material, and splitting the first single crystal semiconductor body on a plane generally parallel to the surface of the first layer of insulating material, leaving a first layer of single crystal semiconductor bonded on the first layer of insulating material;

    forming a second layer of insulating material on the first layer of single crystal semiconductor material;

    bonding a second single crystal semiconductor body to a surface of the second layer of insulating material, and splitting the second single crystal semiconductor body on a plane generally parallel to the surface of the second layer of insulating material, leaving a second layer of single crystal semiconductor bonded on the second layer of insulating material; and

    processing the first and second layers of single crystal semiconductor layer to form a 3D memory array.

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