Fireset for a low energy exploding foil initiator: MOSFET driven

Details Fireset for a low energy exploding foil initiator: MOSFET driven Fireset for a low energy exploding foil initiator: MOSFET driven

1998-12-21

2000-10-31

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

102218, 102220, 102215, F24D 145

Patent

active

061385719

ABSTRACT:
A fireset for a low energy exploding foil initiator (LEEFI) comprises a ft capacitor for storing a level of electrical energy sufficient to fire the LEEFI, the first capacitor being in electrical communication with the LEEFI, second, third, and fourth capacitors in electrical communication with the first capacitor for storing lesser levels of energy than the first capacitor. A trigger directs a pulse of electrical energy into the fireset. An integrated circuit to which the pulse of electrical energy is directed, is adapted to invert the pulse and to dump the third and fourth capacitors. A first metal oxide semi-conductor fill effect transistor (MOSFET) switch is turned on by the integrated circuit and the dumping of the third and fourth capacitors, the first MOSFET switch being operable to dump the second capacitor. A second MOSFET through, which the second capacitor is dumped, operates to discharge the first capacitor through the second MOSFET, to fire the LEEFI.

REFERENCES:
patent: 3750586 (1973-08-01), Swallow et al.
patent: 4012671 (1977-03-01), Vaice
patent: 4041865 (1977-08-01), Evans et al.
patent: 4227462 (1980-10-01), Tucker
patent: 5173570 (1992-12-01), Braun
patent: 5218574 (1993-06-01), Peregrim
patent: 5507230 (1996-04-01), Lewis et al.
patent: 5886287 (1999-03-01), Will et al.

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