Geometrical instruments
Patent
1977-05-18
1978-11-28
Lake, Roy
Geometrical instruments
313318, H01R 3376
Patent
active
041273133
ABSTRACT:
The base comprises a tubular housing adapted to fit over the exhaust tubulation of an electron tube stem, and a wafer flange extending outwardly from the open end thereof. The flange is apertured to receive an array of conductors of the stem. A recess is provided in the wafer flange facing the stem and a passageway communicating therewith is provided through the base separate from the housing cavity for the purpose of injecting a dielectric material into the recess around some of the stem conductors. The passageway may, e.g., be through the flange or in the housing wall.
A shoulder is provided on the recessed face of the wafer flange to provide relief for random protuberances on the periphery of the stem to permit non-tilted mounting of the base on the stem.
REFERENCES:
patent: 2192760 (1940-03-01), Thorson
patent: 3916238 (1975-10-01), Suzuki
patent: 4040708 (1977-08-01), Neuber et al.
Bruestle G. H.
Desmond E. F.
Lake Roy
RCA Corporation
Whitacre E. M.
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