Display tube having a detachable getter

Details Display tube having a detachable getter Display tube having a detachable getter

1992-11-16

1994-09-27

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313560, 313558, H01J 2984, H01J 3100

Patent

active

053509706

ABSTRACT:
A display tube has a getter structure which is clamped in an aperture of the magnetic shield. The getter structure and the screening cap may be of a simple construction and the getter structure can be replaced in a simple manner so that the display tube can be easily repaired. The getter structure is supported by the cone and the inner wall of the shield.

REFERENCES:
patent: 4130328 (1978-12-01), Wessel
patent: 4182974 (1980-01-01), Van Ijzeren
patent: 4230966 (1980-10-01), Copen
patent: 4614896 (1986-09-01), Josephs et al.

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