Granted Patent
Utility
US 6,399,503 · App. 09/764,329
Method of preventing dishing phenomenon atop a dual damascene structure
Inventors:
Kun-Lin Wu, J. J. Huang
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Jan 19, 2001
Inventors
Kun-Lin Wu
J. J. Huang
Assignee (at issue)
WINBOND ELECTRONICS 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.