Granted Patent
Utility
US 5,994,780 · App. 08/991,052
Semiconductor device with multiple contact sizes
Inventors:
John Jianshi Wang, Hao Fang
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Dec 16, 1997
Inventors
John Jianshi Wang
Hao Fang
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.