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Title:
METHOD FOR FORMING FINE PERIODIC STRUCTURAL GROOVES ON DIAMOND SURFACE
Document Type and Number:
WIPO Patent Application WO/2018/083878
Kind Code:
A1
Abstract:
This method for forming fine periodic structural grooves on a diamond surface is characterized in that fine periodic structural grooves 3 are formed on a diamond surface 1 by radiating laser light having a pulse width at least equal to 1 ns, generated with a periodic intensity distribution, onto at least a portion of the diamond surface 1 having an average surface roughness Ra at most equal to 0.1 μm.

Inventors:
SHIROISHI, Ryozo (Corporate Research & Development, 22-4, Okazawa-cho, Hodogaya-ku, Yokohama-sh, Kanagawa 62, 〒2400062, JP)
TAKAO, Kenichi (Corporate Research & Development, 22-4, Okazawa-cho, Hodogaya-ku, Yokohama-sh, Kanagawa 62, 〒2400062, JP)
YUASA, Yoshiyuki (Corporate Research & Development, 22-4, Okazawa-cho, Hodogaya-ku, Yokohama-sh, Kanagawa 62, 〒2400062, JP)
Application Number:
JP2017/031658
Publication Date:
May 11, 2018
Filing Date:
September 01, 2017
Export Citation:
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Assignee:
TOYO SEIKAN GROUP HOLDINGS, LTD. (18-1, Higashi-Gotanda 2-chome Shinagawa-k, Tokyo 27, 〒1418627, JP)
International Classes:
B23K26/364; B21D37/01; B21D37/20; B23K26/00; B21D22/28; B21D51/26
Foreign References:
JP2004188511A2004-07-08
JP2005066687A2005-03-17
JPH11277160A1999-10-12
JP2003165548A2003-06-10
Attorney, Agent or Firm:
ONO, Hisazumi et al. (Nishi-Shimbashi Daiichi Hoki bldg, 5-2 Nishi-Shimbashi 3-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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