Method of making a memory cell
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United States of America Patent
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Jun 26, 2007
Grant Date -
May 11, 2006
app pub date -
Dec 14, 2005
filing date -
May 11, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An inverted PCRAM cell is formed by plating the bottom electrode, made of copper for example, with a conductive material, such as silver. Chalcogenide material is disposed over the plated electrode and subjected to a conversion process so that ions from the plated material diffuse into the chalcogenide material.
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