Inventor
WITTEKOEK STEFAN
NL6 patents
⚠️ This page may combine multiple inventors who share the name “WITTEKOEK STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILIPS CORP
3 patentsUS4356392AOct 26, 1982
Optical imaging system provided with an opto-electronic detection system for determining a deviation between the image plane of the imaging system and a second plane on which an image is to be formed
PHILIPS CORP63 citations93
US4655594AApr 7, 1987
Displacement device, particularly for the photolithographic treatment of a substrate
PHILIPS CORP36 citations91
US4334139AJun 8, 1982
Apparatus for writing patterns in a layer on a substrate by means of a beam of electrically charged particles
PHILIPS CORP25 citations79