Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yun-Yu Wang0
Anthony G. Domenicucci0
Michael Tenney0
Terence L. Kane0
Date of Patent
February 1, 2011
0Patent Application Number
121853750
Date Filed
August 4, 2008
0Patent Primary Examiner
Patent abstract
A link portion between a first electrode and a second electrode includes a semiconductor link portion and a metal semiconductor alloy link portion comprising a first metal semiconductor alloy. An electrical pulse converts the entirety of the link portion into a second metal semiconductor alloy having a lower concentration of metal than the first metal semiconductor alloy. Due to the stoichiometric differences between the first and second metal semiconductor alloys, the link portion has a higher resistance after programming than prior to programming. The shift in electrical resistance well controlled, which is advantageously employed to as a programmable precision resistor.
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