Design of indirectly heated thoriated tungsten cathode based strip electron gun
Design of indirectly heated solid cathode based electron gun (200 kW, 45 kV, 270 degree bent strip type electron gun) has been presented. The solid cathode is made of thoriated tungsten. The solid cathode design has been suitably done to achieve required electron beam cross section. The design approach consists of simulation followed by extensive experimentation. In the design, the effort has been put to reduce the non-uniformity of the heat flux from the filament to the solid cathode to obtain better uniformity of temperature on the solid cathode. Trial beam experiments shows that the modified design achieves one to one correspondence of the solid cathode length and the electron beam length. (author)
- Research Organization:
- Bhabha Atomic Research Centre, Mumbai (India); Indian Vacuum Society, Mumbai (India)
- OSTI ID:
- 22597179
- Country of Publication:
- United States
- Language:
- English
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