Anti-reflective films

Details Anti-reflective films Anti-reflective films

1998-02-17

1999-08-10

Speer, Timothy M.

Stock material or miscellaneous articles

Composite

Of quartz or glass

428432, 428701, 428702, 359359, 359586, B32B 1700

Patent

active

059357169

ABSTRACT:
An anti-reflective glass article including a glass substrate, a first coating of a metal oxide and a second coating of a metal oxide. The first coating of metal oxide is applied over the substrate. The refractive index of the first coating of metal oxide ranges from 1.8 to 2.6. The thickness of the first coating is greater than l/(4*n), wherein l equals a design wavelength in the visible spectrum and n equals the refractive index of said first coating of metal oxide. The second coating of metal oxide is applied over the first coating. The second coating of metal oxide has a refractive index of about 1.45 to about 1.6 and a thickness of less than l/4(n).

REFERENCES:
patent: 5698262 (1997-12-01), Soubeyrand
patent: 5749931 (1998-05-01), Goodman
patent: 5750265 (1998-05-01), Goodman
patent: 5780149 (1998-07-01), McCurdy

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