Granted Patent
Utility
US 6,306,758 · App. 09/567,534
Multipurpose graded silicon oxynitride cap layer
Inventor:
Stephen Keetai Park
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: May 10, 2000
Inventor
Stephen Keetai Park
Assignee (at issue)
Advanced Micro Devices, 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.