Thin film bridge initiator and method therefor

Details Thin film bridge initiator and method therefor Thin film bridge initiator and method therefor

1986-12-17

1988-03-08

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

1022025, F42B 312

Patent

active

047293152

ABSTRACT:
A thin film bridge initiator is mounted on a header for use in a detonator where a primer is activated by heat from the thin film. The initiator includes a substrate which carries a pair of metallic beam-type leads connected by a thin film bridge which activates the adjacent primer. The beam-type leads are affixed (welded) to a pair of electrical pins which are on adjacent sides of a slot in the header. The entire structure is very cost effective, reliable and provides fast functioning and safety. In addition, a process of manufacturing several bridge initiators at one time on a single wafer is provided.

REFERENCES:
patent: 3082691 (1963-03-01), Evans et al.
patent: 3420174 (1969-01-01), Potter
patent: 3426682 (1969-02-01), Corren et al.
patent: 4267567 (1981-05-01), Nygaard et al.
patent: 4335653 (1982-06-01), Bratt et al.
patent: 4409898 (1983-10-01), Blix et al.
patent: 4484523 (1984-11-01), Smith et al.

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