Thin film bridge initiators and method of manufacture

Details Thin film bridge initiators and method of manufacture Thin film bridge initiators and method of manufacture

1996-09-03

1998-03-31

Carone, Michael J.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

1022029, 1022027, 10220214, F42C 1912

Patent

active

057326347

ABSTRACT:
A thin film bridge initiator for initiation of explosives includes a thin film resistive element of a selected composition of Nichrome, alternately Tantalum Nitride either of which is evaporated upon (in the case of Nichrome) or sputtered upon (in the case of Tantalum Nitride) an alumina substrate. A prime explosive mix is contained against the initiator film elements by a positive retention contactor assembly.

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