Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Methods and circuits employing threshold voltages for mask-alignment detection

Methods and circuits employing threshold voltages for mask-alignment detection

US Patent 6465305 · Granted Oct 15, 2002

Estimated economic value: $13,840,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Localization of failure in high density test structure2015
Regulating unused/inactive resources in programmable logic devices for static po2009
Single event upset in SRAM cells in FPGAs with high resistivity gate structures2008
Low voltage non-volatile memory transistor2006
Layout correction algorithms for removing stress and other physical effect induc2006
Low voltage non-volatile memory transistor2006
Single event upset in SRAM cells in FPGAs with high resistivity gate structures2006
Low voltage non-volatile memory cell2005
Low voltage non-volatile memory cell2005
Low voltage non-volatile memory cell2005
Mask-alignment detection circuit in X and Y directions2005
Mask-alignment detection circuit in X and Y directions2005