Granted Patent
Utility
US 6,791,130 · App. 10/229,954
Photoconductor-on-active-pixel (POAP) sensor utilizing a multi-layered radiation absorbing structure
Inventors:
Calvin Yi-Ping Chao, Tzu-Chiang Hsieh, Michael Engelmann, Milam Pender
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Aug 27, 2002
Inventors
Calvin Yi-Ping Chao
Tzu-Chiang Hsieh
Michael Engelmann
Milam Pender
Assignee (at issue)
e-Phocus
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.