Granted Patent
Utility
US 6,525,353 · App. 09/689,881
Anti-reflection structure for a conductive layer in a semiconductor device
Inventor:
Haruo Iwasaki
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Oct 13, 2000
Inventor
Haruo Iwasaki
Assignee (at issue)
NEC CORPORATION
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.