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Field emission properties of carbon nanotube paste on cathode with a curved surface for microwave power amplifier

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9 Author(s)
Han, Jae-Hee ; Center for Nanotubes & Nanostructured Composites, Sungkyunkwan Univ., Suwon, South Korea ; Jae Hong Park ; Berdinsky, A.S. ; Yoo, Ji-Beom
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In this report, we present field emission properties of the carbon nanotube (CNT) paste on cathode with a curved surface for MPA. The CNT paste was prepared using a mixture of multiwalled CNTs powders synthesized by chemical vapor deposition method, organic vehicles, and inorganic binders. We made use of both spin on glass (SOG) and a sensitizer as an inorganic binder and additive to the CNT paste. Then the paste was rubbed over a round cathode (diameter, D-4.3 mm) with a curved surface (a radius of curvature, R∼9.7 mm) designed specifically for our X-band (8-12 GHz) TWT-MPA.

Published in:

Vacuum Nanoelectronics Conference, 2005. IVNC 2005. Technical Digest of the 18th International

Date of Conference:

10-14 July 2005