Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1994-07-29
1998-03-17
Sugarman, Scott J.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
359586, G02C 710, G02B 110
Patent
active
057293236
ABSTRACT:
A sunglass lens having improved anti-reflection and transmittance comprises a lens-shaped substrate and a coating formed on the concave surface of the lens. The first layer deposited adjacent to the concave surface of the lens comprises a titanium suboxide material, the second layer comprises a material having a high refractive index, and the third layer comprises a material having a low refractive index.
REFERENCES:
patent: 4261645 (1981-04-01), Sawamura et al.
patent: 4802755 (1989-02-01), Hensler
patent: 5190896 (1993-03-01), Pucilowski
patent: 5362552 (1994-11-01), Austin
Chemical Abstracts, vol. 110, No. 7, Apr 3, 1989.
A. Thelen, Design of Optical Interference Coatings (McGraw-Hill, NY, 1989), pp. 103-107.
H. A. Macleod, "A new approach to the design of metal-dielectric thin-film optical coatings", Optica Acta, vol. 24, No. 2 (1978), pp. 93--106.
P. H. Berning et al., "Induced Transmission in Absorbing Films Applied to Band Pass Filter Design", J. Opt. Soc. Amer., vol. 47, No. 3 (1957), pp. 230-239.
Arden Amy J.
Cumbo Michael J.
Baush & Lomb Incorporated
Konkol Chris P.
McGuire Katherine
Sugarman Scott J.
Thomas John E.
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