Hanyan Li, Dong Li, Y. Hu, P. Pan, Tianyi Li, Jinjun Feng
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UV-LIGA microfabrication for high frequency structures of a 220GHz TWT amplifier
In this paper, we fabricate copper high frequency structures for a 220GHz TWT amplifier using UV LIGA technology. The two halves have been assembled and bonded. The measurement results of the folded waveguide circuit show that the attenuation factor of the circuit is 240 dB/m.