Detonator
AssigneeEG&G Star City, Inc.
InventorsBarry T. Neyer, Robert J. Tomasoski, John T. Adams
Life of this patent
Estimating the term…
Abstract
A detonator with a base portion including opposing electrical leads; an exploding foil initiator on the base portion, the exploding foil initiator including two conductive lands separated by a bridge portion therebetween; and a connecting barrel of a predetermined thickness on the exploding foil initiator for optimizing the spacing between the exploding foil initiator and an explosive charge and for robustly interconnecting the lands of the exploding foil initiator with the electrical leads of the base portion.
Claims17
A detonator comprising:
- a base portion including a support surface without any contact pads but discrete electrical leads extending upwards from the support surface;
- an exploding foil initiator on the support surface, the exploding foil initiator including at least two conductive lands separated by a bridge portion therebetween and a flying plate on the bridge portion;
- a connecting barrel of a predetermined thickness on the exploding foil initiator and the upwardly extending electrical leads for optimizing the spacing between the exploding foil initiator and an explosive charge and for robustly interconnecting the lands of the exploding foil initiator with the electrical leads extending upwards from the support surface, the connecting barrel including:
- a thin;
- insulative substrate;
- a plurality of conductive surfaces on the insulative substrate, the conductive surfaces extending between the upwardly extending electrical leads and the lands of the exploding foil initiator;
- and
- an opening located over the bridge portion of the exploding foil initiator.
A method of manufacturing a detonator, the method comprising:
- securing an exploding foil initiator on a base portion including sets of discrete electrical lead posts extending upwards from the base portion without any contact pads, the exploding foil initiator including two conductive lands separated by a bridge portion therebetween and a flying plate on the bridge portion;
- fabricating a connecting barrel having an insulating layer of a predetermined thickness with two conductive plates separated by an opening;
- and
- placing the connecting barrel on the exploding foil initiator and over the lead posts such that the two conductive plates of the barrel each interconnect a set of electrical lead posts of the base portion with a conductive land of the exploding foil initiator.
Dependencies are inferred from the claim text.