Phase change memory device and method of manufacture
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United States of America Patent
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Jan 11, 2011
Grant Date -
Oct 29, 2009
app pub date -
Apr 29, 2008
filing date -
Apr 29, 2008
priority date (Note) -
Expired
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Abstract
A phase change memory control ring lower electrode is disclosed. The lower electrode includes an outer ring electrode in thermal contact with a phase change memory element, an inner seed layer disposed within the outer ring electrode and in contact with the phase change memory element, and an electrically conductive bottom layer coupled to the outer ring electrode.
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