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An efficient ultra-high vacuum cryopump with a low consumption of helium

✍ Scribed by B.G. Lazarev; V.I. Makarov; A.A. San'kov; S.F. Grishin; V.A. Kovalenko


Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
185 KB
Volume
15
Category
Article
ISSN
0011-2275

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A design method of an offset trireflecto
✍ Katsuhiko Aoki; Shigeru Makino; Masanori Masuda; Shuji Urasaki πŸ“‚ Article πŸ“… 2000 πŸ› John Wiley and Sons 🌐 English βš– 272 KB πŸ‘ 2 views

A design method is developed for a high efficiency and low cross polarization offset tri-reflector antenna made of an offset parabolic main reflector and two shaped reflectors. In this method, the main reflector is an offset parabola while the #2 reflector corresponding to a subreflector and the #1