Cathode-ray tube with anti-reflective coating

Details Cathode-ray tube with anti-reflective coating Cathode-ray tube with anti-reflective coating

1992-10-15

1995-05-02

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313479, 313112, 4271263, H01J 2988

Patent

active

054122783

ABSTRACT:
A cathode-ray tube has a faceplate on which is formed an anti-reflective coating with at least two layers. The first layer is formed on the outer surface of the faceplate by spin-coating an alcohol solution of an organometallic compound, leaving a porous metal oxide layer. The second layer is formed on the first layer by spin-coating an alcohol solution of silicon alkoxide, leaving a porous silica layer. Both layers are baked, and the first layer is baked or cured before the second layer is applied. The first layer has a higher index of refraction than the second layer.

REFERENCES:
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patent: 4310783 (1982-01-01), Temple et al.
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patent: 5107173 (1992-04-01), Iwasaki
patent: 5153481 (1992-10-01), Matsuda et al.
patent: 5179318 (1993-01-01), Maeda et al.
patent: 5243255 (1993-09-01), Iwasaki

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