G - Physics – 11 – B
Patent
G - Physics
11
B
179/24, 181/62
G11B 21/16 (2006.01) B24B 19/16 (2006.01) G11B 3/44 (2006.01) G11B 3/46 (2006.01) G11B 9/07 (2006.01)
Patent
CA 1174176
ABSTRACT OF THE DISCLOSURE A keel-tipped stylus has a constricted terminal portion which is mounted on narrow shoulders which is in turn mounted on wide shoulders. The keel-tipped stylus is formed from a V-shaped stylus which engages into a spiral groove formed in an abrasive lapping disc. As the lapping disc rotates, the V-shaped stylus runs along the groove to lap the constricted terminal portion together with the narrow and wide shoulders.
405271
Itoh Kazuo
Kitamura Masafumi
Kudo Toshiyuki
Sanyo Electric Co. Ltd.
Shapiro Cohen
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