P
PatentIndex
Search
Landscape
Sign in
Inventor
DRUMHELLER JERRY
US
2 patents
Patents
2 patents
US4872189A
Oct 3, 1989
Target structure for x-ray lithography system
HAMPSHIRE INSTR INC
58 citations
92
US4837793A
Jun 6, 1989
Mass limited target
HAMPSHIRE INSTR INC
8 citations
69