Jig for clamp-positioning single crystal ingot

Details Jig for clamp-positioning single crystal ingot Jig for clamp-positioning single crystal ingot

1992-01-30

1993-04-27

Kisliuk, Bruce M.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51216R, 51236, 269 21, B24B 502, B24B 4106

Patent

active

052050807

ABSTRACT:
A jig is provided for accurately and easily positioning a single crystal ingot with respect to the clamp rotary shafts of a device for grinding the peripheral surface of the ingot. The jig includes male positioning fixtures 10L and 10R and female positioning fixtures 32L and 32R. In the male positioning fixtures, negative-pressure suction cups 105 made of an elastic or viscoelastic material and blocks 101 at the backs of the cups are integrally formed with each other. In the female positioning fixtures, holes 325 are formed at the ends of the clamp rotary shafts 30L and 30R of the grinding device. The male positioning fixtures are accommodated in the holes, and the blocks are fitted into the holes so as to be concentric with the clamp rotary shafts.

REFERENCES:
patent: 1880377 (1932-10-01), Dyer
patent: 2311525 (1943-02-01), Ebbs
patent: 3084928 (1963-04-01), Opitz
patent: 3460822 (1969-08-01), Linh
patent: 3833230 (1974-09-01), Noll
patent: 4009538 (1977-03-01), Hanecker
patent: 4398579 (1983-08-01), Holdahl et al.
patent: 5042772 (1991-08-01), Madjeski
patent: 5110239 (1992-05-01), Riley

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