Granted Patent
Utility
US 5,907,397 · App. 09/045,325
Method of inspecting a defect on a translucid film
Inventor:
Anchor Chen
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Mar 20, 1998
Inventor
Anchor Chen
Assignee (at issue)
United Semiconductor Corp.
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.