abstract |
The present invention provides a light-absorbent resin composition for laser welding whereby transparency can be maintained and stable laser welding is possible. The light-absorbent resin composition for laser welding includes a resin and laser-light-absorbent nanoparticles, wherein the laser-light-absorbent nanoparticles are nanoparticles of tungsten oxide indicated by the general formula W y O z , and/or nanoparticles of composite tungsten oxide indicated by the general formula M x W y O z . |