Granted Patent
Utility
US 6,646,290 · App. 10/227,054
Optical structure having an optical diode and a sensor in separate apertures inside double insulating layers
Inventors:
Sang Ho Lee, Jun Young Yang, Chul-Woo Park
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Aug 23, 2002
Inventors
Sang Ho Lee
Jun Young Yang
Chul-Woo Park
Assignee (at issue)
Amkor Technology, 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.