Which boards are difficult boards?
Process capacity; generally HDI, rigid-flex; ordinary factory to do 2/2 line yield is not ye to the
Printed circuit boards and semi-flexible printed circuit boards. Which HDI, rigid-flex relatively difficult. Because of its complex process, the process, equipment requirements are high.
If the circuit board according to the product classification, there are single-sided printed circuit boards, double-sided printed circuit boards, multi-layer printed circuit boards, HDI high-density microporous printed circuit boards, flexible printed circuit boards,
