LASER-WELDED ARTICLE OF LASER-TRANSMISSIBLE WORKPIECE INCLUDING ALKALINE EARTH METAL SALT OF ANTHRAPYRIDONE ACID DYE
申请人:Sugawara Syuuji
公开号:US20080069997A1
公开(公告)日:2008-03-20
A laser-welded article comprises:
a laser-transmissible workpiece made from a laser-transmissible colored resin composition including a resin and an alkaline earth metal salt of an anthrapyridone-type acidic dye represented by the following chemical formula
[in the chemical formula,
R
7
is allowed to be the group presented by chemical formula (2)
and at least one of R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
, R
8
, R
9
, and R
10
is SO
3
M
1/2
that M is an alkaline earth metal]and a laser-absorptive workpiece putting the laser-transmissible workpiece together, wherein the workpieces are welded at the put position thereof by irradiated laser towards the laser-transmissible workpiece that transmits therethrough and is absorbed into the laser-absorptive workpiece.