| 发明名称 |
BISMUTH OXIDE-BASED ADDITIVE FOR LASER MARKING AND PRODUCTION METHOD OF THE SAME |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an additive for laser marking that enables marking excellent in blackness and contrast without causing undesirable coloring in a resin molded article. <P>SOLUTION: The additive for laser marking contains (a) an oxide of bismuth and (b) an oxide of at least one metal selected from gadolinium and neodymium. A preferable metal oxide is expressed by general formula of Bi<SB>(1-x)</SB>M<SB>x</SB>O<SB>y</SB>, wherein M represents at least one metal selected from gadolinium and neodymium and x and y are values satisfying respective relationships of 0.001<x<0.5 and 1<y<2.5. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
| 申请公布号 |
JP2010095396(A) |
申请公布日期 |
2010.04.30 |
| 申请号 |
JP20080265823 |
申请日期 |
2008.10.15 |
| 申请人 |
TOKAN MATERIAL TECHNOLOGY CO LTD |
发明人 |
SUZUKI SHIGERU;MATODA TATSURO |
| 分类号 |
C01G29/00;B23K26/00 |
主分类号 |
C01G29/00 |
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