Method of forming and storing data in a multiple state memory cell
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United States of America Patent
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Jun 21, 2005
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N/A
app pub date -
Jun 10, 2004
filing date -
Feb 20, 2002
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Abstract
A method for forming a multiple state memory cell is provided. The method including forming a first electrode layer from a first conductive material, forming a second electrode layer from a second conductive material, and forming a first layer of a metal-doped chalcogenide material on the first electrode layer. The first layer providing a medium in which a conductive growth can be formed to electrically couple together the first and second electrode layers. The method further includes forming a second layer of a metal-doped chalcogenide material on the second electrode layer, and forming a third electrode layer from a third conductive material, the second layer providing a medium in which a conductive growth can be formed to electrically couple together the second and third electrode layers. A method for storing multiple data states in a memory is also provided.
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