Electro-pyrotechnical initiator

Details Electro-pyrotechnical initiator Electro-pyrotechnical initiator

1994-05-03

1996-08-13

Carone, Michael J.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

1022029, F42C 1912

Patent

active

055445853

ABSTRACT:
An electro-pyrotechnical initiator comprising a form pyrotechnical charge initiated by a heating resistive element placed in contact with said charge. The resistive element comprises a flat strip of narrow width l, preferably lying in the range 80 micrometers to 300 micrometers, and made of a resistive metal alloy which is deposited on a printed circuit support, said resistive element being connected to two current feeds via two extensive electrically-conductive areas, and the pyrotechnical charge is a thermosensitive substance that is applied in the form of an explosive varnish that covers said resistive element.

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