منابع مشابه
Plasma instability of a vacuum arc centrifuge.
Ever since conception of the vacuum arc centrifuge in 1980, periodic fluctuations in the ion saturation current and floating potential have been observed in Langmuir probe measurements in the rotation region of a vacuum arc centrifuge. In this work we develop a linearized theoretical model to describe a range of instabilities in the vacuum arc centrifuge plasma column, and then test the validit...
متن کاملAn interchangeable-cathode vacuum arc plasma source.
A simplified vacuum arc design [based on metal vapor vacuum arc (MeVVA) concepts] is employed as a plasma source for a study of a (7)Be non-neutral plasma. The design includes a mechanism for interchanging the cathode source. Testing of the plasma source showed that it is capable of producing on the order of 10(12) charges at confinable energies using a boron-carbide disk as the cathode target....
متن کاملCoating Deposition Using Vacuum Arc and Ablation Metal Plasma
An innovative concept in the development of advanced coating deposition and ion implantation method including an application of filtered DC metal plasma or ablation plasma and highfrequency short-pulsed negative bias voltage with a duty factor in the range 10–99% are considered. It was shown that plasma based ion implantation as well as ion-assisted coating deposition may be realized for metal ...
متن کاملWave-driven countercurrent plasma centrifuge
A method for driving rotation and a countercurrent flow in a fully ionized plasma centrifuge is described. The rotation is produced by radiofrequency waves near the cyclotron resonance. The wave energy is transferred into potential energy in a manner similar to the α channeling effect. The countercurrent flow may also be driven by radiofrequency waves. By driving both the rotation and the flow ...
متن کاملAxial ion charge state distribution in the vacuum arc plasma jet
We report on our experimental studies of the ion charge state distribution ~CSD! of vacuum arc plasmas using a time-of-flight diagnostic method. The dependence of the CSD on the axial distance from the plasma source region was measured for a titanium vacuum arc. It was found that the axial CSD profile is nonuniform. Generally, the mean charge state increases approximately linearly with axial di...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: IEEE Transactions on Plasma Science
سال: 1989
ISSN: 0093-3813
DOI: 10.1109/27.41185