Getter flashing method for cathode ray tube and getter for condu

Details Getter flashing method for cathode ray tube and getter for condu Getter flashing method for cathode ray tube and getter for condu

1998-05-04

2000-03-21

Ramsey, Kenneth J.

Electric lamp and discharge devices

Cathode ray tube

Envelope

445 31, H01J 3100

Patent

active

060406569

ABSTRACT:
A getter flashing method for a cathode ray tube includes the steps of loading a receptacle of the getter with an active metal, positioning the getter in a funnel such that the active metal is diffused toward an inner surface of the funnel in the vicinity of the getter, and heating and vaporizing the active metal. The getter has a receptacle for receiving the active metal and a support for supporting the receptacle. The receptacle and the support are connected to each other such that an opening portion of the receptacle is directed toward the neighboring funnel portion.

REFERENCES:
patent: 2159946 (1939-05-01), De Boer
patent: 2275864 (1942-03-01), Record
patent: 3508105 (1970-04-01), Pappadis
patent: 4145162 (1979-03-01), Schiabel
patent: 4571521 (1986-02-01), Gallaro et al.
patent: 4713578 (1987-12-01), Josephs
patent: 5443410 (1995-08-01), Ko

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