P
PatentIndex
Search
Landscape
Sign in
Inventor
BERGLUND ROBERT K
US
2 patents
Patents
2 patents
US4902377A
Feb 20, 1990
Sloped contact etch process
MOTOROLA INC
106 citations
92
US4698128A
Oct 6, 1987
Sloped contact etch process
MOTOROLA INC
64 citations
90