Granted Patent
Utility
US 6,553,560 · App. 09/872,620
Alleviating line end shortening in transistor endcaps by extending phase shifters
Inventors:
Melody W. Ma, Hua-Yu Liu
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: May 31, 2001
Inventors
Melody W. Ma
Hua-Yu Liu
Assignee (at issue)
Numerical Technologies, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.