Abstract
The beam characteristics in a multi-shot operation were evaluated. The MID utilized in the experiment is a racetrack type diode, where flat anode and cathode electrodes are utilized. On the anode, a polyethylene sheet of 1 mm thickness is attached as an ion source. The MID is successively operated without breaking the vacuum. An ion current density (J{sub i}) of 350 A/cm{sup 2} is observed at the first shot when the diode gap is 5 mm. The value decreases with increasing number of shots and at the 7th shot, J{sub i} is less than 150 A/cm{sup 2}. After 7 shots, the anode surface is inspected and found to be covered with stuck matter of metallic materials such as Zn, Al, Fe, Cu. These materials seem to be produced by the ablation of the MID electrode. By eliminating the stuck matter from the surface, J{sub i} is recovered to the initial value. The decrease in J{sub i} is due to the fact that the anode is covered with the stuck matter, which prevents the growth of anode plasma. (author). 6 figs., 8 refs.
Chishiro, E;
Masugata, K;
Yatsui, K
[1]
- Nagaoka Univ. of Technology (Japan). Laboratory of Beam Technology
Citation Formats
Chishiro, E, Masugata, K, and Yatsui, K.
Characteristics of magnetically insulated diode in a multi-shot operation.
Czech Republic: N. p.,
1996.
Web.
doi:10.1541/ieejfms1990.116.12_1062.
Chishiro, E, Masugata, K, & Yatsui, K.
Characteristics of magnetically insulated diode in a multi-shot operation.
Czech Republic.
https://doi.org/10.1541/ieejfms1990.116.12_1062
Chishiro, E, Masugata, K, and Yatsui, K.
1996.
"Characteristics of magnetically insulated diode in a multi-shot operation."
Czech Republic.
https://doi.org/10.1541/ieejfms1990.116.12_1062.
@misc{etde_511322,
title = {Characteristics of magnetically insulated diode in a multi-shot operation}
author = {Chishiro, E, Masugata, K, and Yatsui, K}
abstractNote = {The beam characteristics in a multi-shot operation were evaluated. The MID utilized in the experiment is a racetrack type diode, where flat anode and cathode electrodes are utilized. On the anode, a polyethylene sheet of 1 mm thickness is attached as an ion source. The MID is successively operated without breaking the vacuum. An ion current density (J{sub i}) of 350 A/cm{sup 2} is observed at the first shot when the diode gap is 5 mm. The value decreases with increasing number of shots and at the 7th shot, J{sub i} is less than 150 A/cm{sup 2}. After 7 shots, the anode surface is inspected and found to be covered with stuck matter of metallic materials such as Zn, Al, Fe, Cu. These materials seem to be produced by the ablation of the MID electrode. By eliminating the stuck matter from the surface, J{sub i} is recovered to the initial value. The decrease in J{sub i} is due to the fact that the anode is covered with the stuck matter, which prevents the growth of anode plasma. (author). 6 figs., 8 refs.}
doi = {10.1541/ieejfms1990.116.12_1062}
issue = {12}
volume = {116}
place = {Czech Republic}
year = {1996}
month = {Dec}
}
title = {Characteristics of magnetically insulated diode in a multi-shot operation}
author = {Chishiro, E, Masugata, K, and Yatsui, K}
abstractNote = {The beam characteristics in a multi-shot operation were evaluated. The MID utilized in the experiment is a racetrack type diode, where flat anode and cathode electrodes are utilized. On the anode, a polyethylene sheet of 1 mm thickness is attached as an ion source. The MID is successively operated without breaking the vacuum. An ion current density (J{sub i}) of 350 A/cm{sup 2} is observed at the first shot when the diode gap is 5 mm. The value decreases with increasing number of shots and at the 7th shot, J{sub i} is less than 150 A/cm{sup 2}. After 7 shots, the anode surface is inspected and found to be covered with stuck matter of metallic materials such as Zn, Al, Fe, Cu. These materials seem to be produced by the ablation of the MID electrode. By eliminating the stuck matter from the surface, J{sub i} is recovered to the initial value. The decrease in J{sub i} is due to the fact that the anode is covered with the stuck matter, which prevents the growth of anode plasma. (author). 6 figs., 8 refs.}
doi = {10.1541/ieejfms1990.116.12_1062}
issue = {12}
volume = {116}
place = {Czech Republic}
year = {1996}
month = {Dec}
}