Electro-pyrotechnical initiator
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United States of America Patent
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Aug 13, 1996
Grant Date -
N/A
app pub date -
May 3, 1994
filing date -
May 5, 1993
priority date (Note) -
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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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