Granted Patent
Utility
US 6,077,757 · App. 09/020,789
Method of forming chip semiconductor devices
Inventors:
Hideki Mizuno, Kazunao Tokunaga
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Feb 9, 1998
Inventors
Hideki Mizuno
Kazunao Tokunaga
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.