Granted Patent
Utility
US 5,879,997 · App. 07/707,365
Method for forming self aligned polysilicon contact
Inventors:
Kuo-Hua Lee, Janmye Sung
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: May 30, 1991
Inventors
Kuo-Hua Lee
Janmye Sung
Assignee (at issue)
LUCENT TECHNOLOGIES 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.