| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a highly reliable cleaning method for reducing working cost, and having no influence on a global environment even in cleaning, in a working method of an optical communication part. <P>SOLUTION: This working method of an inner peripheral surface or an outer peripheral surface of the optical communication part composed of a cylindrical body having a through-hole in the shaft direction, polishes the inner peripheral surface or the outer peripheral surface of the cylindrical body by slurry using alcohol or ester having two or more of hydrophilic groups as a solvent. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
