Electrically erasable phase change memory
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United States of America Patent
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Nov 24, 1992
Grant Date -
N/A
app pub date -
Jan 18, 1991
filing date -
Jan 18, 1991
priority date (Note) -
Expired
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Abstract
An electrically erasable phase change memory utilizing a stoichiometrically and volumetrically balanced phase change material in which both the switching times and the switching energies required for the transitions between the amorphous and the crystalline states are substantially reduced below those attainable with prior art electrically erasable phase change memories. One embodiment of the invention comprises an integrated circuit implementation of the memory in a high bit density configuration in which manufacturing costs are correspondingly reduced and performance parameters are further improved.
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