High frequency immune squib

Claim 1

MEANS TO INITIATE A RAPID SELF-SUSTAINING CHEMICAL REACTION COMPRISING, IN COMBINATION WITH A MEMBER WHICH IS HEATED BY PASSING ELECTRIC CURRENT THROUGH THE MEMBER AND REACTANT SUBSTANCES ADJACENT SAID MEMBER: A SECONDARY WINDING HAVING ITS ENDS ELECTRICALLY CONNECTED RESPECTIVELY BY CONDUCTIVE MEANS TO THE ENDS OF SAID MEMBER, A PRIMARY WINDING INDUCTIVELY COUPLED TO SAID SECONDARY WINDING, MEANS TO CNNECT THE ENDS OF SAID PRMARY WINDING TO A SOURVE TO PROVIDE AT LEAST ONE PULSE OF ELECTRICAL CURRENT IN SAID PRIMARY WINDING TO PROVIDE A FIELD OF CHANGING MAGNETIC FLUX WHICH LINKS SAID SECONDARY WINDING, A SINGLE CORE OF MAGNETICALLY SOFT METAL, SAID VORE PROVIDING A CORE FOR SAID SECONDARY WINDING AND ALSO FOR SAID PRIMARY WINDING, SAID CORE EXTENDING THROUGH BOTH OF SAID WINDINGS, SAID CORE BEING OF SUBSTANTIALLY CONSTANT CROSS-SECTIONAL AREA AND SHAPE THROUGHOUT THE PORTION OF ITS LENGTH WHCIH EXTENDS THROUGH SAID WINDINGS, SAID CORE BEING UNSHUNTED AROUND SAID PRIMARY WINDING; FIRST SUPPORTING MEANS, SAID SECONDARY WINDING WOUND ON SAID SUPPORTING MEANS, SECOND SUPPORTING MEANS RIGIDLY AND SECURELY ATTACHED, AS BY POTTING, TO SAID FIRST SUPPORTING MEANS, SAID PRIMARY WINDING WOUND ON SAID SECOND SUPPORTING MEANS, CHARACTERIZED BY AN ELECTROMAGNETIC SHIELD INTERPOSED BETWEEN SAID PRIMARY AND SECONDARY WINDINGS, SAID SHIELD ENTIRELYH ELECTRICALLY ENCLOSING THE SECONDARY WINDING, THE MEMBER, AT LEAST THE ENTIRETY OF ONE ELECTRICAL CONDUCTOR EXGENDING FROM SAID SECONDARY WINDING TO SAID MEMBER, AND SAID REACTANT SUBSTANCES, SAID SHIELD DEVOID OF ELECTRICAL CONDUCTORS EXTENDING THERETHROUGH, SAID SHIELD CONSTITUTING A SHORTED TURN, SAID SHIELD ESSENTIALLY DEVOID OF ELECTRICAL APERTURES THEREIN.