摘要
本章介绍背钻原理及多余孔内铜层等信号传输影响,重点通过试验验证来确定背钻工艺流程设计及制作可行性。
This chapter introduces the back drilling effect of copper layer such as signal transmission principle and the excess hole through the test key validation to determine the back drilling process design and production feasibility.
出处
《印制电路信息》
2017年第9期42-50,63,共10页
Printed Circuit Information
关键词
背钻
信号损耗
信号传输
信号
Back Drilling
Signal Loss
Signal Transmission
Signal
