Wafer grinder

Details Wafer grinder Wafer grinder

1980-03-31

1982-03-09

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 56R, 51118, 511313, 51327, B24B 704

Patent

active

043182500

ABSTRACT:
A rotatable grinding wheel bears against a rotatable wafer disk support wheel to grind the wafer disks to a predetermined thickness. The grinding wheel is translatable laterally to its axis of rotation, which translation repositions the grinding wheel with respect to the support wheel in a fixed proportion to the lateral distance traveled and permits high tolerance grinding with relative coarse lateral positional adjustment of the grinding wheel.

REFERENCES:
patent: 880120 (1908-02-01), Blessing
patent: 1263057 (1918-04-01), Griffin
patent: 1432093 (1922-10-01), Taylor
patent: 1917504 (1933-07-01), Curtis
patent: 2765592 (1956-10-01), Krug
patent: 2815619 (1957-12-01), Brownley
patent: 3225493 (1965-12-01), Kulbicki

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