Patent ID: 7642123
Filing Date: 2010-01-05
Classification: H01L,Y10S

Abstract:
1. A method for making a thermally insulated memory device comprising: forming a memory cell access layer on a substrate, the memory cell access layer including an interlayer dielectric having an upper surface and contacts exposed on the upper surface; depositing a substantially planar first electrode layer on the upper surface contacting said contacts; depositing an inter-electrode insulating layer on the first electrode layer; creating a via within the inter-electrode insulating layer; forming a thermal insulator having an open region within the via; depositing a memory material within the open region; depositing a second electrode layer over and in contact with the memory material; and etching the second electrode layer, inter-electrode insulating layer and first electrode layer according to a pattern defining an electrically isolated memory cell including the memory material within the via.