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

1994-04-14

1997-11-25

Johnson, Stephen M.

Ammunition and explosives

Igniting devices and systems

Accidental fuse ignition prevention means

313134, F42B 3188

Patent

active

056914989

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 ferrimagnetic 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.

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"Chemical Bonding At Glass-to-Metal Interfaces", Pask, J.A., MD-vol. 4, pp. 1-7, presented at The Winter Annual Meeting of The American Society of Mechanical Engineers, Boston, MA Dec. 13-18, 1987.

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