Granted Patent
Utility
US 5,344,517 · App. 08/052,004
Method for lift-off of epitaxial layers and applications thereof
Inventor:
Virginia H. Houlding
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Apr 22, 1993
Inventor
Virginia H. Houlding
Assignee (at issue)
Bandgap Technology 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.