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Inventor
VOGEL SIEGFRIED F
US
2 patents
Patents
2 patents
US4532802A
Aug 6, 1985
Apparatus for analyzing the interface between a recording disk and a read-write head
IBM
92 citations
92
US4134066A
Jan 9, 1979
Wafer indexing system using a grid pattern and coding and orientation marks in each grid cell
IBM
20 citations
72