Getter assembly with improved support

Details Getter assembly with improved support Getter assembly with improved support

1983-11-07

1985-08-13

Kellogg, Arthur

Electric lamp and discharge devices

Cathode ray tube

Envelope

313558, 313559, 313561, 417 48, 445 55, H01J 2994

Patent

active

045352674

ABSTRACT:
A getter assembly is described which has an improved support such that the points of contact with the glass wall of a cathode ray tube have as low a temperature as possible.
A tab member for mounting the getter device is attached to the lower side of a central disc shaped zone of the getter device formed of an upraised bottom portion of the bottom wall of the ring getter. Said tab member extends without touching the inner side wall of the getter material container of its bottom wall. A support means is attached, for example by spot welding, to the tab member, and has at least two concave surfaces facing the bottom wall of the container and lying in a plane perpendicular to the outwardly extending zone of the tab member. The support means can be attached to the tab in the same area as which the tab is attached to the central zone of the upraised bottom portion of the container.

REFERENCES:
patent: 3385420 (1968-05-01), Della Porta
patent: 3829730 (1974-08-01), Reash et al.
patent: 4101247 (1978-07-01), Pirota et al.
patent: 4323818 (1982-04-01), Madden et al.

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