Stripe-shaped color separation filter for image pickup tube and

Details Stripe-shaped color separation filter for image pickup tube and Stripe-shaped color separation filter for image pickup tube and

1973-09-21

1977-01-18

Kendall, Ralph S.

Electric lamp and discharge devices

Cathode ray tube

Image pickup tube

313388, 427 38, 427 75, 427162, 427164, 427165, 427166, 427193, 427376A, 427355, 358 44, H01J 2936

Patent

active

040041760

ABSTRACT:
A stripe-shaped color separation filter for use with an image pickup tube is disclosed which is covered at its one surface with a layer of transparent material such as glass or SiO.sub.2 having a surface thereof which is flat enough to be practical for use with the image pickup tube. The layer of glass or SiO.sub.2 is formed on the filter by directly applying melted materials thereon, melting down (sintering) powdered materials, chemical vapor deposition, sputtering, or vacuum deposition.

REFERENCES:
patent: 2813989 (1957-11-01), Weimer
patent: 2848358 (1958-08-01), Gray
patent: 3651250 (1972-03-01), Dischert
patent: 3681519 (1972-08-01), Larsen et al.
patent: 3735032 (1973-05-01), Goetze et al.
patent: 3745236 (1973-07-01), Karato
patent: 3768888 (1973-10-01), Nishino et al.
patent: 3787609 (1974-01-01), Plumeau

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