Abrasive air spray shaping of optical surfaces

Details Abrasive air spray shaping of optical surfaces Abrasive air spray shaping of optical surfaces

1995-02-16

1996-11-12

Eley, Timothy V.

Abrading

Abrading process

Utilizing fluent abradant

451 42, 451 38, B24B 100, B24C 100

Patent

active

055734464

ABSTRACT:
A method of shaping surface on an optical element includes directing a stream of gas and particles at the surface at a velocity sufficient to controllably remove material from the surface to figure the surface to a desired optical profile.

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patent: 1588768 (1926-06-01), Moulton
patent: 3085368 (1963-04-01), Oostland
patent: 3328925 (1967-07-01), Hewitt
patent: 3339318 (1967-09-01), Graf et al.
patent: 3578850 (1971-05-01), Grant
patent: 3848365 (1974-11-01), Bovensiepen
patent: 4669229 (1987-06-01), Ehlbeck
patent: 4787178 (1988-11-01), Morgan et al.
patent: 4958463 (1990-09-01), Hess et al.

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