Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1979-05-04
1981-05-05
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
65 31, 156663, 252 793, 350 9618, B44C 122, C03C 1500, C03C 2506
Patent
active
042656990
ABSTRACT:
A method for reducing the diameter of the end of an optical fiber while leaving the fiber end flat or slightly concave so that a lens can be formed thereon. The fiber end is etched in a solution of aqueous hydrofluoric acid to which is added ammonium fluoride, ammonium bifluoride or a combination thereof.
REFERENCES:
patent: 2479286 (1949-10-01), Wolfskill
patent: 3551228 (1970-12-01), Meth
patent: 3883353 (1975-05-01), Cohen et al.
patent: 4040893 (1977-08-01), Ghezzo
patent: 4040897 (1977-08-01), Blish et al.
patent: 4118270 (1978-10-01), Pan et al.
patent: 4193663 (1980-03-01), Timmermann
Applied Optics, vol. 15, No. 10, Oct. 1976, Highly Efficient Light Coupling from GaAlAs Lasers into Optical Fibers, by C. C. Timmermann, pp. 2432-2433.
IBM Technical Disclosure Bulletin, vol. 20, No. 3, Aug. 1977, Fabrication of Lenses on Tips of Fibers, by Crow et al., pp. 1235-1236.
Burke William J.
Morris Birgit E.
Powell William A.
RCA Corporation
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