triggered spark gap

triggered spark gap

[′trig·ərd ′spärk ‚gap]
(electricity)
A fixed spark gap in which the discharge passes between two electrodes but is initiated by an auxiliary trigger electrode to which low-power pulses are applied at regular intervals by a pulse amplifier.
References in periodicals archive ?
Kutz held up some of the items purchased by undercover investigators, including a small device that looked like a spark plug called a triggered spark gap.
Other items purchased in the bogus transactions included parts for making nuclear devices and guiding missiles that could carry nuclear warheads, body armor and other hardware for ground combat, triggered spark gaps used to detonate nuclear weapons, and electronic sensors used in improvised explosive devices and gyro chips used in guided missiles and military aircraft, said the report.
Specifically, he was accused of exporting, without the proper license, quantities of a device known as a triggered spark gap.
Installed into an enriched uranium casing, a triggered spark gap can ignite a nuclear explosion.
One tentacle extended from Cape Town through a broker in Secaucus, New Jersey, to the Salem, Massachusetts, laboratories of PerkinElmer Optoelectronics, a high-technology firm that is one of the world's few manufacturers of triggered spark gaps.
Dual-use items are those, like triggered spark gaps, that are under export restrictions because they have both peaceful and weapons applications.
Triggered spark gaps can't survive a nuclear blast, but when installed in lithotripters, they can fire hundreds of thousands of times, so the demand for new ones is not great.
Throughout the summer of 2003, as Karni prepared to face Eagle in the heating room, he was simultaneously negotiating with Pakistani contacts to cement a deal to supply them with triggered spark gaps.
For example, Asher Karni, an Israeli national working in South Africa, procured hundreds of triggered spark gaps for Pakistan.
Over the course of this email exchange, Khan specifically requested that Karni obtain triggered spark gaps for a "genuinely medical requirement.
He was charged in federal court in Washington DC under the Export Administration Act with supplying Pakistan with US-manufactured high-speed electrical switches known as triggered spark gaps, the size of a soft-drink can and shaped like a spool of thread.
Underlining the extent of the clandestine market for tightly controlled high-tech equipment are court documents in the Karni case that the triggered spark gaps were probably only a minute part of illegal export operations in when he participated.