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Dispenser cathodes as thermionic sources of electron beams are the components of choice for a variety of microwave power tubes like travelling wave tubes and klystrons, with new application in high power X-ray tubes.

 

Directly heated cathodes –filaments, coils, spirals- works as electron sources for flash lamps and ion lasers.

 

Metal composites with various densities feature different properties in terms of thermal conductivity and thermal expansion which meet the requirements of heat dissipation and expansion matching in the high power microelectronics and semiconductor lasers Industries.