Granted Patent
Utility
US 6,696,307 · App. 09/951,160
Patterned phase shift layers for wavelength-selectable vertical cavity surface-emitting laser (VCSEL) arrays
Inventors:
Wen-Yen Hwang, Klaus Alexander Anselm, Jun Zheng, James N. Baillargeon
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Sep 11, 2001
Inventors
Wen-Yen Hwang
Klaus Alexander Anselm
Jun Zheng
James N. Baillargeon
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.