发明授权
- 专利标题： Laser surface treatment
- 专利标题（中）： 激光表面处理
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申请号： US11388973申请日： 2006-03-27
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公开(公告)号： US08026459B2公开(公告)日： 2011-09-27
- 发明人: Kenichiro Tanaka , Masayuki Fujita
- 申请人： Kenichiro Tanaka , Masayuki Fujita
- 申请人地址： JP Osaka JP Osaka
- 专利权人： Institute for Laser Technology,Panasonic Electric Works Co., Ltd.
- 当前专利权人： Institute for Laser Technology,Panasonic Electric Works Co., Ltd.
- 当前专利权人地址： JP Osaka JP Osaka
- 代理机构： Greenblum & Bernstein, PLC
- 优先权： JP2005-093145 20050328
- 主分类号： B23K26/00
- IPC分类号： B23K26/00
摘要：
A laser surface treatment for reducing reflection loss on the surface of an optical material is provided. A metal film is formed on the surface of the optical material, and then the metal film is removed from the optical material by irradiation of an ultra-intense short-pulse laser beam having a pulse width of 1 femtosecond to 100 picoseconds, so that a fine periodic structure is formed on the surface of the optical material exposed by the removal of the metal film. The obtained fine periodic structure has asperities with a periodic interval of preferably 50 to 1000 nm, which can be controlled by changing the laser energy density.
公开/授权文献
- US20060213880A1 Laser surface treatment 公开/授权日：2006-09-28
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