Inventor
VASTERINK JOHANNES H A
NL3 patents
Patents
3 patentsUS4736135AApr 5, 1988
Electron emission device provided with a reservoir containing material reducing the electron work function
PHILIPS CORP11 citations71
US4717855AJan 5, 1988
Dual-cathode electron emission device
PHILIPS CORP18 citations69
US4749904AJun 7, 1988
Cathode ray tube with an ion trap including a barrier member
PHILIPS CORP10 citations68