抗蚀刻层：
Etch resistant layer:
抗蚀刻层大约为油墨或干膜两种，目前有商家推出了喷墨打印抗蚀刻油墨，但精度是否能达到产品要求，需要靠虑。
The anti etching layer is about ink or dry film. At present, some businesses have introduced ink-jet printing anti etching ink, but whether the accuracy can meet the product requirements needs to be considered.
油墨的印刷方式比较多，可以根据不同的产品进行选 择，大至来说有以下几种：
There are many printing methods of inks, which can be selected according to different products, including the following:
传统手动或自动印刷：只能单面印刷。
Traditional manual or automatic printing: only one side can be printed.
涂布机：优点比较明显，涂布速度快，可单面涂布或双面途布。
Coater: with obvious advantages and fast coating speed, it can be coated on one side or on both sides.