Granted Patent
Utility
US 5,898,196 · App. 08/948,739
Dual EPI active pixel cell design and method of making the same
Inventors:
Terence B. Hook, Hon-Sum Philip Wong
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Oct 10, 1997
Inventors
Terence B. Hook
Hon-Sum Philip Wong
Assignee (at issue)
International Business Machines 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.