Process for producing an impregnated cathode with an integrated

Coating processes – Electrical product produced – Electron emissive or suppressive

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427122, 4271264, 427124, 427259, 427282, 427226, H01J 904, H01J 146

Patent

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044593236

ABSTRACT:
A complementary grid made from a volatile material is formed on the surface of the cathode, which is then covered with the material of the grid (parts 5 and 6). After the volatilization of the complementary grid there leaves an integrated grid (part 6) on this surface.

REFERENCES:
patent: 3694260 (1970-05-01), Beggs
patent: 4302702 (1981-11-01), Montgaillard

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