大族数控：盲孔用激光钻孔厚径比通常小于1:1

证券之星10-31

证券之星消息，大族数控(301200)10月31日在投资者关系平台上答复投资者关心的问题。

投资者提问：请问PCB板子厚度增加的话，激光钻孔是不是不能打通，还需要用长转针。盲孔钻孔和普通钻孔有什么区别？

大族数控回复：尊敬的投资者，您好！PCB钻孔的作用是生成层间互联的通道，以一阶10层HDI板为例，盲孔贯穿L1-L2或L9-L10，通孔则贯穿L1-L10。一般情况下盲孔用激光钻孔，其匹配的加工厚径比通常小于1:1；而机械钻孔机搭配钻针则用于通孔加工，其加工板厚径比可超过40:1。谢谢!

以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成投资建议。

免责声明：本文观点仅代表作者个人观点，不构成本平台的投资建议，本平台不对文章信息准确性、完整性和及时性做出任何保证，亦不对因使用或信赖文章信息引发的任何损失承担责任。

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