Phase change memory element

Details Phase change memory element Phase change memory element

2011-04-26

2011-04-26

Jackson, Jr., Jerome (Department: 2815)

Active solid-state devices (e.g., transistors, solid-state diode

Bulk effect device

Bulk effect switching in amorphous material

C257SE45002

Reexamination Certificate

active

07932509

ABSTRACT:
A phase change memory device is disclosed, including a substrate. The phase change memory also includes a bottom electrode. A conductive structure with a cavity is provided to electrically contact the bottom electrode, wherein the conductive structure includes sidewalls with different thicknesses. A phase change spacer is formed to cross the sidewalls with different thicknesses. A top electrode is electrically contacted to the phase change spacer.

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patent: 1992326 (2007-07-01), None

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