Processing the mount assembly of a CRT to suppress afterglow

Details Processing the mount assembly of a CRT to suppress afterglow Processing the mount assembly of a CRT to suppress afterglow

1981-07-02

1983-09-27

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 6, 445 57, H01J 900, H01J 9385

Patent

active

044066376

ABSTRACT:
Before a CRT is tipped off following exhaustion of gases to a low pressure, at least a portion of one of the electrodes of the mount assembly (e.g., the grid electrode facing the anode) is heated to high temperatures, preferably about 700.degree. to 800.degree. C., in an atmosphere having a partial pressure of oxygen.

REFERENCES:
patent: 3115732 (1963-12-01), Stewart
patent: 3922049 (1975-11-01), Sawicki
patent: 4073558 (1978-02-01), Benda et al.
"Composition-vs-Depth Profiles Obtained with Auger Electron Spectroscopy of Air-Oxidized Stainless-Steel Surfaces," by G. Betz et al., Journal of Applied Physics, vol. 45, No. 12 (1974) pp. 5312 to 5316.

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