| 摘要 |
<P>PROBLEM TO BE SOLVED: To modify a flat glass surface to a different degree of opacity. <P>SOLUTION: A glass surface is cooled with water and the glass surface is tarnished with synthetic diamond abrasive grains located in a mass of plastic fibers of a rotating brush while the surface is washed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
