发明名称 |
DRIFT TUBE MANUFACTURING METHOD AND DRIFT TUBE |
摘要 |
The present invention provides a drift tube manufacturing method and a drift tube which can reduce cost while securing an adequate level of particle beam focusing performance. The method includes: a magnet housing stage of housing a predetermined number of permanent magnets in a housing, which has a through-hole at a center part and an annular magnet housing space on an outer circumferential side of the through-hole, from an opening part of the magnet housing space into the magnet housing space; a welding stage of setting a lid for covering the opening part on the opening part, and welding the lid and the housing by laser beam welding. At least a surface of the housing and a surface of the lid are formed of copper. |
申请公布号 |
US2014132374(A1) |
申请公布日期 |
2014.05.15 |
申请号 |
US201314047258 |
申请日期 |
2013.10.07 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
OKIHIRA KAZUNORI;HIGA KYUSAKU;INOUE FUMIAKI |
分类号 |
H05H7/22;B23K26/32 |
主分类号 |
H05H7/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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