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发明名称
雷射加工方法及雷射加工机
摘要
本发明提供一种雷射加工方法及雷射加工机,系从具有绝缘层、隔着绝缘层所层积的表面20A侧的导体层、以及背面20B侧的导体层之层积材料的表面20A侧以第一能量密度照射雷射光L,而将导体层予以去除,并形成表面孔HA直到绝缘层的厚度方向的中途位置,并从层积材料的背面20B侧在表面孔HA的位置以第二能量密度照射雷射光L,而将导体层及残留的绝缘层予以去除,而于表面孔HA的背面侧的位置形成背面孔HB以形成贯通孔,并将第二能量密度设为较第一能量密度更大。
申请公布号
TWI386269
申请公布日期
2013.02.21
申请号
TW099136900
申请日期
2010.10.28
申请人
三菱电机股份有限公司 日本
发明人
伊藤健治;本木裕;木村贤光
分类号
B23K26/36
主分类号
B23K26/36
代理机构
代理人
洪武雄 台北市中正区博爱路35号9楼;陈昭诚 台北市中正区博爱路35号9楼
主权项
地址
日本
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