发明名称 |
Underwater laser processing method and apparatus |
摘要 |
<p>An underwater laser processing method is carried out by irradiating, through a laser beam irradiation apparatus, a laser beam having a high output, a short pulse and a visible wavelength to a surface of a structure immersed in a water to improve residual stress of a material of the surface of the structure and remove a crack or a CRUD thereof. The laser beam irradiation apparatus comprises a pulse laser device suspended into a water in which a metal material is accommodated from an upper side thereof for irradiating a laser beam having a visible wavelength to a processing position, a beam strength adjusting device for adjusting an output per 1 pulse of a laser beam generated by the pulse laser device and a mechanism for adjusting a spot diameter and a multiplexing ratio of an irradiated beam. <IMAGE></p> |
申请公布号 |
EP0724929(A2) |
申请公布日期 |
1996.08.07 |
申请号 |
EP19960101295 |
申请日期 |
1996.01.30 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
OKAZAKI, KOUKI;ITO, ARATA;SANO, YUJI;MUKAI, NARUHIKO;AOKI, NOBUTADA;KONAGAI, CHIKARA;KIKUNAGA, MUNEYOSHI |
分类号 |
B23K26/12;G21C13/087;(IPC1-7):B23K26/12 |
主分类号 |
B23K26/12 |
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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