Inventor
ZALM PIETER
4 patents
Patents
4 patentsUS4230939AOct 28, 1980
Information-recording element having a dye-containing auxiliary layer
PHILIPS CORP83 citations91
US4007393AFeb 8, 1977
Barium-aluminum-scandate dispenser cathode
PHILIPS CORP40 citations84
US4476214AOct 9, 1984
Optical information disk comprising tellurium, selenium and antimony
PHILIPS CORP6 citations71
US4290075ASep 15, 1981
Optical recording device having several ablative recording layers
PHILIPS CORP14 citations71