Hermetically-sealed electrically-absorptive low-pass radio frequ

Details Hermetically-sealed electrically-absorptive low-pass radio frequ Hermetically-sealed electrically-absorptive low-pass radio frequ

1992-02-07

1994-11-29

Johnson, Stephen M.

Ammunition and explosives

Igniting devices and systems

Accidental fuse ignition prevention means

333 81R, 361248, F42B 3188

Patent

active

053679563

ABSTRACT:
An electromagnetically lossy liquid- or gas-tight fusion seal for use as a low pass radio frequency signal filter constructed as a matrix of glass binder and ferromagnetic and/or ferroelectric filler. Metal cased electrical filters are made by reflowing the material to form fused glass-to-metal seals and incorporating electrical thru-conductors therein which may be formed as inductive windings.

REFERENCES:
patent: 2951999 (1960-09-01), Marchese
patent: 3125733 (1964-03-01), Holinbeck
patent: 3227083 (1966-01-01), Moses et al.
patent: 3264989 (1966-08-01), Rucker
patent: 3380004 (1968-04-01), Hansen
patent: 4146854 (1979-03-01), Ishino et al.
patent: 4795944 (1989-01-01), Stimson

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