Carbonized resin coated anode

Electric lamp and discharge devices – Electrode and shield structures – Composite electrodes or shields

Reexamination Certificate

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Details

C313S311000, C313S348000, C313S478000, C313S479000, C428S407000, C428S408000, C445S006000, C445S058000

Reexamination Certificate

active

06856080

ABSTRACT:
A vacuum tube having its anode/collector coated with carbonized resin plus pyrocarbon material to reduce out-gassing and secondary electron emission and the method of coating the anode/collector.

REFERENCES:
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patent: 5025490 (1991-06-01), Tamura
patent: 5656885 (1997-08-01), Kohno et al.
patent: 5876658 (1999-03-01), Takeda
patent: 5965297 (1999-10-01), Fanteux et al.
patent: 5993996 (1999-11-01), Firsich
patent: 1667650 (1973-10-01), None
patent: 42 30 047 (1993-10-01), None

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