Methods of making cooled, thermally stable composite mirrors

Details Methods of making cooled, thermally stable composite mirrors Methods of making cooled, thermally stable composite mirrors

1983-01-10

1983-10-18

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156242, 156633, 156634, 156655, 156656, 156663, 428131, 428138, B44C 122, C03C 1500, C03C 2506, G02B 508

Patent

active

044103948

ABSTRACT:
Laser mirrors of high thermal conductivity and dimensional stability at high temperatures are disclosed which also contain cooling channels in close proximity to the laser radiation reflecting surface. Methods of making the same are also disclosed comprising using channel forming inserts laid up between layers of the graphite fiber and glass composition which are then hot pressed and removed either by the application of mechanical pressure or chemical dissolution. Alternatively, such inserts are laid on the mold and the graphite-glass composition hot pressed on the inserts which are then mechanically removed followed by bonding a flat sheet of a separately formed graphite-glass composite to the grooved surface. Another method includes forming grooves in a preformed graphite-glass composite followed by filling the grooves with channel forming inserts and hot pressing additional graphite-glass on the inserts.

REFERENCES:
patent: 3556636 (1971-01-01), Roberts et al.
patent: 4112170 (1978-09-01), Rauscher

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