magnetron

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magnetron

[mag′nətron]
Etymology: Gk, magnesia, lodestone, trum, device
a source of microwave energy used in medical linear accelerators to accelerate electrons to the therapeutic energies.

mag·ne·tron

(mag'nĕ-tron)
Device within a linear accelerator that serves as a microwave amplifier and oscillator.
See also: klystron
[magnet + -tron fr. electron]
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References in periodicals archive ?
Residual stress in magnetron sputter-deposited coating is often observed because of the highly energetic deposition species during the deposition.
During the decades that followed major developments in the design of magnetrons and extensive investigation of material properties have led to the adoption of microwave applications in several industry sectors, such as the food, rubber, ceramics, paper and other industries.
Toshiba is pleased that its super high efficiency magnetrons have been judged by Ceravision to be the best partners for its groundbreaking system.
However, the University of Michigan researchers have revolutionized the design of both conventional and inverted magnetrons by expanding the cathode (negatively charged electrode) and anode (positively charged electrode) area into a new type of magnetron, which permits higher current and a larger area for heat dissipation in a more compact device.
A magnetron is a vacuum tube containing electrons that are exposed to magnetic and electric fields in a way that produces microwave radiation.
However, the key to making it work effectively was the cavity magnetron, invented by John Randall and Henry Boot at Birmingham University in 1940.
We've been using the magnetrons, the tubes the microwaves come from, out of conventional microwave ovens," says engineering professor Michael M.
Food passes through a tunnel on a conveyor belt and microwaves are emitted from magnetrons situated both above and below the belt conveyor.
Contract notice: Supply magnetrons for radar band "x" band and "s" of the coordination centers and remote stations of the maritime security and rescue society.
However, during the test I noticed that not all magnetrons were firing and this was something that I wanted to investigate further prior to Intertek lab testing.