Manufacturing and measurement of heavily-loaded helix traveling wave tube

Author

Kim, Hak S. ; Uhm, Han S. ; Park, Gwan Soo

Author_Institution

Inst. for Adv. Eng., Plasma Technol. Center, Kyonggi-do, South Korea

fYear

2003

fDate

5-5 June 2003

Firstpage

175

Abstract

Summary form only given, as follows. Summary form only given. Manufacturing technologies for heavily-loaded helix TWT has been developed in Korea. There are many devices equipped for the manufacturing TWT in a new facility. We have designed and fabricated Laser Welding M/C, RF Brazer, Vacuum Exhaust System, Pyrolitic Deposition M/C, Triangulation & Compression M/C for manufacturing helix TWT for special purpose. Besides, we have developed key technologies for helix TWT, such as fixture design for assembly and test, furnace brazing for part assembly, RF brazing, triangulation & compression for helix circuit assembly, magnetization & tuning for PPM, metalizing & nickelizing for ceramic metallization, carbon coating on the ceramic rod, laser welding for assembly with coupler and helix circuit, vacuum exhaust for baking TWT envelope, vacuum sealing inspection, and thermal analysis on the couplers. With these technologies and devices, we have fabricated and tested helix TWT, which delivers 43 Watts at 9 GHz with 10 mW as an input drive signal.

Keywords

brazing; travelling wave tubes; 10 mW; 43 W; 9 GHz; RF brazing; carbon coating; ceramic metallization; heavily-loaded helix traveling wave tube; helix circuit assembly; magnetization; nickelizing; pyrolitic deposition; vacuum exhaust system; Assembly; Ceramics; Circuit testing; Coupling circuits; Laser tuning; Magnetic circuits; Manufacturing; Optical design; Radio frequency; Welding;

fLanguage

English

Publisher

ieee

Conference_Titel

Plasma Science, 2003. ICOPS 2003. IEEE Conference Record - Abstracts. The 30th International Conference on

Conference_Location

Jeju, South Korea

ISSN

0730-9244

Print_ISBN

0-7803-7911-X

Type

conf

DOI

10.1109/PLASMA.2003.1228633

Filename

1228633