Telescope mirror blank and method of production

Details Telescope mirror blank and method of production Telescope mirror blank and method of production

1989-04-27

1990-04-17

Kellogg, Arthur

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

65 181, 65 183, 65 184, 65 23, 65 36, 65 38, 65 42, 65 43, 156 89, 264248, 264259, 428118, 428119, C03B 23207, G02B 508, E05F 1520

Patent

active

049179349

ABSTRACT:
A telescope mirror blank having a supporting network core composed of sintered ceramic struts, and a method of forming such core from a thermally crystallizable, powdered glass and as a separate component from the faceplate, are disclosed. Optionally, the mirror faceplate may be formed in a similar manner.

REFERENCES:
patent: 3272686 (1966-09-01), Smith
patent: 3283655 (1966-11-01), Rau
patent: 3320044 (1967-05-01), Cole et al.
patent: 3507737 (1970-04-01), Busdiecker
patent: 3644022 (1972-02-01), Jagdt et al.
patent: 3940301 (1976-02-01), Straw et al.
patent: 4816051 (1989-03-01), Clasen et al.

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