专利名称：A method for producing optical waveguides,
optical waveguides and frequencyconverting devices
发明人：Kato, Kenji c/o Intellectual Property
Dept.,Kondo, Yoshimasa c/o IntellectualProperty Dept.,Yoshino, Takashi c/o
Intellectual Property Dept.,Oomori, Makotoc/o Intellectual Property Dept.
申请号：EP02254062.9申请日：20020611公开号：EP1267182A3公开日：20050126
摘要：The object of the invention is to provide a method for producing an opticalwaveguide by irradiating laser beam onto an oxide single crystal material so that thescattering of light from the surface of the waveguide may be prevented when light istransmitted through the waveguide. Laser beam is irradiated onto an oxide single crystalto from an optical waveguide portion 9A defined by laser working faces 9a and 9b, whichare then subjected to a wet etching process using, for example, a strong alkaline solution.
申请人：NGK INSULATORS, LTD.
地址：2-56, Suda-cho, Mizuho-ku Nagoya City Aichi Pref. JP
国籍：JP
代理机构：Paget, Hugh Charles Edward
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