INITIATORLESS ELECTRIC DETONATOR

摘要

An electric detonator of simple structure in which initiator and ignition charge are eliminated and secondary explosive, i.e. base charge, can be ignited directly. The detonator comprises a tubular body having one closed end, a base charge charged in the tubular body on one closed end side, and an igniter inserted from the other open end side of the tubular body and contained on the other end side and is characterized in that the igniter is a semiconductor bridge device having a laminate layer consisting of a reactive metal layer and a reactive insulator layer and an electrode pad, and the base charge is pentaerythritol tetranitrate or the like.