Explosive actuated arming switch device

Details Explosive actuated arming switch device Explosive actuated arming switch device

1978-03-20

1979-12-18

Scott, James R.

Ammunition and explosives

Igniting devices and systems

Arming devices

200 6108, 102 72, H01H 3900, F42C 1500

Patent

active

041788559

ABSTRACT:
A conductor plated on a frangible substrate. The unit is potted in a silicon base compound, placed in a header, and attached to a printed circuit board. This assembly is then encased in a housing using epoxy resin potting compound. The circuit is protected from breakage due to mechanical shock by the epoxy resin but is immediately broken by an explosive shock wave which fractures the substrate and the conductor and opens the circuit.

REFERENCES:
patent: 3072500 (1963-01-01), Berlinghof
patent: 3745276 (1973-07-01), McPherson
patent: 3751613 (1973-08-01), Inose et al.
patent: 3824328 (1974-07-01), Ting et al.
patent: 3846823 (1974-11-01), Matthews et al.
patent: 3905015 (1975-09-01), Inose et al.
patent: 4088828 (1978-05-01), Yamamoto et al.
Standard Handbook for Electrical Engineers, "Properties of Materials-Cera Insulators", Sec. 4-374, p. 180, 10th Ed., McGraw Hill, New York, N.Y.

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