JACK C COFFIN
Real Estate Commission in Lancaster, PA

License number
Pennsylvania RS198278L
Category
Real Estate Commission
Type
Real Estate Salesperson-Standard
Address
Address
Lancaster, PA 17601

Professional information

Jack Coffin Photo 1

Photodetector Non-Responsive To Cerenkov Radiation

US Patent:
4002901, Jan 11, 1977
Filed:
Nov 17, 1975
Appl. No.:
5/632813
Inventors:
Jack Caryl Coffin - Lancaster PA
Assignee:
RCA Corporation - New York NY
International Classification:
H01J 3912, H01J 3150
US Classification:
250211R
Abstract:
A photodetector comprises an evacuated envelope with a transparent face plate. The face plate is selected from a material which causes total internal reflection of photons produced by Cerenkov radiation. In the evacuated envelope are an anode and a transmissive type photocathode. The photocathode is spaced apart from the face plate.