| Issue |
EPJ Web Conf.
Volume 285, 2023
30th Conference of the International Nuclear Target Development Society (INTDS2022)
|
|
|---|---|---|
| Article Number | 05001 | |
| Number of page(s) | 3 | |
| Section | Stripper Foils | |
| DOI | https://doi.org/10.1051/epjconf/202328505001 | |
| Published online | 22 June 2023 | |
https://doi.org/10.1051/epjconf/202328505001
Method for releasing carbon foils from substrates
Nishina Center for Accelerator-Based Science, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
* Corresponding author: hasebe@riken.jp
Published online: 22 June 2023
The performance of a carbon foil (C-foil) as a charge stripper in an accelerator is directly affected by its condition and quality. C-foils are fabricated by evaporating carbon onto a substrate. Therefore, a suitable technique must be established for depositing and removing C-foils from substrates. The selection of appropriate releasing agents is crucial for the removal process. C-foils with thicknesses less than 0.1 mg/cm2 were produced using the arc discharge method, wherein chloride materials were used as releasing agents. The magnetron sputtering method is suitable for manufacturing C-foils thicker than 0.1 mg/cm2 using appropriate releasing agents, such as fluorine-based or silicon-based agents. The contact angle analysis demonstrates a negative relationship between the C-foil thickness and the wettability of the substrate treated with an appropriate releasing agent. The possibility of using ionic liquids as novel releasing agents is also investigated.
© The Authors, published by EDP Sciences, 2023
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