With the development of Printed Circuit Board (PCB), liquid photo imageable etchingresist ink has become the prime process technology of the fine line graph facture.
随着印制电路板(PCB)行业的飞速发展,液态光致抗蚀油墨已逐渐成为精细导线图形制作的主要方法。
2
With the development of Printed Circuit Board (PCB), liquid photo imageable etchingresist ink had become the prime process technology of the fine line graph facture.
随着印制电路板(PCB)行业的飞速发展,液态光致抗蚀油墨已逐渐成为精细导线图形制作的主要方法。
3
The invention provides a two-layer flexible substrate which is free from surface defects, while being excellent in flexural strength, etching characteristics and adhesion to a resist.