Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate
2006-08-03
2008-09-09
Nguyen, Ha (Department: 2829)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
C324S763010, C324S765010
Reexamination Certificate
active
07423446
ABSTRACT:
A method for determining threshold voltage variation rapidly provides accurate threshold voltage distribution values for process verification and improvement. The method operates a characterization away including a circuit for imposing a fixed drain-source voltage and a constant channel current at individual devices within the array, while sensing the source voltage of the individual device. The statistical distribution of the threshold voltage is determined directly from the source voltage distribution by offsetting each source voltage by a value determined by completely characterizing one or more devices within the array. The resulting methodology avoids the necessity of otherwise characterizing each device within the array, thus reducing measurement time dramatically.
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Agarwal Kanak B.
Nassif Sani R.
Harris Andrew M.
International Business Machines - Corporation
Mitch Harris Atty at Law, LLC
Nguyen Ha
Salys Casimer K.
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