Methods of producing improved optical coatings

Details Methods of producing improved optical coatings Methods of producing improved optical coatings

1992-05-07

1993-11-16

Bell, Janyce

Coating processes

Optical element produced

427164, 427165, 4272481, 427255, B65D 506

Patent

active

052621960

ABSTRACT:
New and improved non-radioactive coated lens for use in laser transmissions are created by vacuum deposition of specially prepared particles formed by melting 10-20% (w/w) barium fluoride and 90-80% (w/w) cerium fluoride in an inert atmosphere to form a mass which when cooled is comminuted into small particles for vacuum deposition upon a preselected lens substrate.

REFERENCES:
patent: 4661413 (1987-04-01), Maze et al.
patent: 4721657 (1988-01-01), Takahaski et al.
patent: 4776868 (1988-10-01), Trotter et al.
"Stress Modification in Cerous Fluoride Films through Admixture with other Fluoride Compounds" by Pellicori in Thin Solid Films, 113, (1984) pp. 287-295.

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