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Stable initiator compositions and igniters

  • US 7,923,662 B2
  • Filed: 01/17/2008
  • Issued: 04/12/2011
  • Est. Priority Date: 05/20/2004
  • Status: Active Grant
First Claim
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1. A reliable electrical igniter for igniting fuel and forming bidirectional focused plumes comprising:

  • a) a thermally insulating material support with a hole contained therein, wherein said thermally insulating material is selected from the group consisting of a polyimide film, a fluorcarbon laminate material or FR4 epoxy/fiberglass printed circuit board,b) at least two conductors in contact with the support,c) a resistive heating element positioned at least partially across the hole and attached to the conductors, andd) an initiator composition placed on at least a portion of both sides of the resistive heating element and covering the hole.

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