Electric lamp and discharge devices – Cathode ray tube – Envelope
Patent
1993-08-31
1995-08-29
O'Shea, Sandra L.
Electric lamp and discharge devices
Cathode ray tube
Envelope
313479, H01J 3100
Patent
active
054463394
ABSTRACT:
In order to provide a coating material for formation of an antistatic/high refractive index film possessing superior antistatic effects, as well as an antistatic/anti-reflection film covered transparent material laminated body provided with superior antistatic effects and anti-reflection effects obtained by this coating material, and a cathode ray tube possessing this laminated body which is provided with antistatic effects, electromagnetic wave shielding effects, anti-reflection effects, and the effect of increase in contrast, the following are provided: a coating material comprising a dispersion fluid containing a mixture of an antimony doped tin oxide fine powder and a black colored electrically conductive fine powder; an antistatic/anti-reflection film covered transparent material laminated body containing a film layer of the coating material on the surface of a transparent substrate, and a specific low refractive index film layer; and a cathode ray tube possessing on its surface a first layer film containing a mixture of an antimony doped tin oxide fine powder and a black colored electrically conductive fine powder, and a second layer film containing silica sol.
REFERENCES:
patent: 3504212 (1970-03-01), Wollentin et al.
patent: 3635751 (1972-01-01), Long, III et al.
patent: 4945282 (1990-07-01), Kawamura et al.
patent: 5243255 (1993-09-01), Iwasaki
patent: 5281893 (1994-01-01), Matsuda et al.
patent: 5291097 (1994-03-01), Kawamura et al.
Kimata Hitoshi
Kinoshita Touru
Takahashi Kenji
Uehara Masaru
Yanagisawa Tsuneo
Esserman Matthew J.
O'Shea Sandra L.
Sumitomo Cement Co. Ltd.
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