Granted Patent
Utility
US 6,638,773 · App. 10/159,361
Method for fabricating single-mode DBR laser with improved yield
Inventors:
Wen-Yen Hwang, Klaus Alexander Anselm, Jun Zheng
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: May 31, 2002
Inventors
Wen-Yen Hwang
Klaus Alexander Anselm
Jun Zheng
Assignee (at issue)
Applied Optoelectronics, 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.