| 摘要 |
An initiator is provided for use with an initiator holder. The initiator comprises a can; at least two electrodes; an explosive charge positioned to be ignited when electrical charge is passed through said electrodes; and a body portion surrounding the electrodes. The body portion may have a first portion with a first cross-sectional area and a second portion having a second cross-sectional area, wherein the second cross-sectional area has a shape different from the first cross-sectional area and wherein the second cross-sectional area is less than 40% of the first cross-sectional area; wherein the second portion is shaped to extend outward from an opening in the holder when the body portion is seated in the holder.
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