Forming phase change memories

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode

Reexamination Certificate

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Details

C257S214000, C257S246000, C257S296000, C257SE21041, C257SE21646, C257SE51038

Reexamination Certificate

active

07348620

ABSTRACT:
Phase change memories may exhibit improved properties and lower cost in some cases by forming the phase change material layers in a planar configuration. A heater may be provided below the phase change material layers to appropriately heat the material to induce the phase changes. The heater may be coupled to an appropriate conductor.

REFERENCES:
patent: 6534781 (2003-03-01), Dennison
patent: 6545287 (2003-04-01), Chiang
patent: 6566700 (2003-05-01), Xu
patent: 6764894 (2004-07-01), Lowrey
patent: 7196351 (2007-03-01), Chiang et al.

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