Granted Patent
Utility
US 6,171,876 · App. 09/186,191
Self-aligned method for fabricating a ridge-waveguide semiconductor laser diode
Inventors:
Rong-Heng Yuang, Chiu-Ling Chen, Ming-Cheng Wang
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Nov 4, 1998
Inventors
Rong-Heng Yuang
Chiu-Ling Chen
Ming-Cheng Wang
Assignee (at issue)
Industrial Technology Research Institute
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.