Antireflection coating for a temperature sensitive substrate

Optical: systems and elements – Light interference – Produced by coating or lamina

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359359, 359584, 359585, 359586, 359588, G02B 110, G02B 508, F21V 904

Patent

active

055791620

ABSTRACT:
A multilayer antireflection coating for a temperature sensitive substrate such as plastic. One layer is a DC reactively sputtered metal oxide which may be deposited quickly and without imparting a large amount of heat to the substrate. Another layer has a refractive index lower than the substrate.

REFERENCES:
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patent: 3565509 (1969-03-01), Sulzbach
patent: 3781090 (1973-12-01), Sumita
patent: 5091244 (1992-02-01), Biornard
patent: 5105310 (1992-04-01), Dickey
patent: 5270858 (1993-12-01), Dickey
patent: 5362552 (1994-11-01), Auston
patent: 5372874 (1994-12-01), Dickey et al.
patent: 5407733 (1995-04-01), Bjornard et al.
Lockhart, Luther B, and King, Peter, "Three-Layered Reflection-Reducing Coatings", J. Opt. Sco. Am., vol. 37, pp. 689-694 (1947).

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