Granted Patent
Utility
US 5,843,804 · App. 08/812,465
Method of making avalanche photodiodes with epitaxially-regrown guard rings
Inventors:
Chung-Yi Su, Ghulam Hasnain, James N. Hollenhorst
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Mar 6, 1997
Inventors
Chung-Yi Su
Ghulam Hasnain
James N. Hollenhorst
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.