Coating processes – Optical element produced – Transparent base
Patent
1972-08-21
1978-09-05
Hoffman, James R.
Coating processes
Optical element produced
Transparent base
427169, B05D 138, B05D 506, B05D 102, B05D 118
Patent
active
041121422
ABSTRACT:
The invention relates to a method of producing on a transparent article, particularly a glass article, layers having a reflection degree of at least 10 percent on a first surface of the article and dereflecting layers on a second surface of the article. The method includes the steps of first by an immersion process providing both said surfaces with a dereflecting multiple-layered coating, and then providing said first surface with a single layer of a reflection increasing transparent coating.
REFERENCES:
patent: 2220862 (1940-11-01), Blodgett
patent: 2366516 (1945-01-01), Geffcken
patent: 2466119 (1949-04-01), Moulton
patent: 2478385 (1949-08-01), Gaiser
patent: 3094436 (1963-06-01), Schroder
patent: 3185020 (1965-05-01), Thelen
patent: 3432225 (1969-03-01), Rock
H. Schroder, "Verres a Proprietes Reflechissantes Modifees" in Verress et Refractaires, vol. 18(2), pp. 89-97, 1964.
Chemical Abstracts, vol. 61: 8038b, 1964.
O. Ullrich, "Optical Coatings" in Vapor Deposition, Powell et al. eds., John Wiley, NY, 1966, p. 556.
H. Schroder, "Oxide Layers Deposited from Organic Solutions" in Physics of Thin Films, Hass et al. Eds., vol. 5, 1969, Acad. Press, NY, pp. 99-101, 119, 123, 124.
Klein Werner
Schroder Hubert
Glaswerk Schott & Gen.
Hoffman James R.
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