Bridge igniter
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United States of America Patent
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-
Nov 2, 2004
Grant Date -
Sep 4, 2003
app pub date -
Apr 15, 2003
filing date -
Mar 31, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bridge igniter having a resistance layer which has a given electrical resistance and which can be heated by an electrical current, an electrical insulating layer that is disposed on the resistance layer and has a given thermal conductivity, a reactive layer that is disposed on the insulating layer, the insulating layer transmitting the heat that is produced in the resistance layer to the reactive layer, thereby causing the latter to undergo an exothermic reaction, and a pyrotechnic layer that is disposed on or above the reactive layer and that may be set off by the exothermic reaction of the reactive layer.
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