Patent ID: 6357355
Filing Date: 2002-03-19
Classification: F42B

Abstract:
A pyrotechnic device comprising:a body of ignitable pyrotechnic material; a pair of electrodes for providing electrical energy to heat and ignite the body of pyrotechnic material; an electrical insulation housing through which the electrodes extend, the electrical insulation housing comprising a molded thermoplastic and having surfaces defining a chamber through which the electrodes pass; a body of a solid electromagnetically lossy substantially gas impermeable material in the chamber, the lossy material comprising a vitreous ceramic matrix consisting essentially of (a) about 5-50% by weight of a multi-component glass binder and (b) about 50-95% by weight of a electromagnetically lossy ferromagnetic and/or ferroelectric filler interspersed throughout; the body of lossy material forming a gas-tight seal with the surfaces defining the chamber and the electrodes.