Cathode ray tube with integral rear envelope

Details Cathode ray tube with integral rear envelope Cathode ray tube with integral rear envelope

1998-05-29

2000-10-17

Patel, Nimeshkumar D.

Electric lamp and discharge devices

Plural unit

Cathode ray tube

313477R, 445 45, H01J 3100

Patent

active

061336750

ABSTRACT:
A vacuum envelope includes a flat face plate having a phosphor screen formed on the inner surface of the face plate, and a flat rear plate opposed to the face plate with a side wall interposed therebetween. A plurality of funnels extend from the rear plate, and electron guns are respectively enclosed in the necks of the funnels. The rear plate and the plurality of funnels are integrally formed of one single plate glass and are joined to face plate through the side wall. A plurality of reference surfaces are formed on the inner surface of the rear plate, and ends of the plate support members are respectively fixed to the reference surfaces.

REFERENCES:
patent: 4712038 (1987-12-01), Takenaka et al.
patent: 4714856 (1987-12-01), Takenaka et al.
patent: 4777407 (1988-10-01), Takenaka et al.
patent: 5032756 (1991-07-01), Takenaka et al.
patent: 5365142 (1994-11-01), Nishimura et al.
patent: 5751094 (1998-05-01), Nishimura et al.
patent: 5831373 (1998-11-01), Takahashi et al.

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