The manufacture of liquid photosensitive solder mask for PCB by screen printing is briefly introduced. The process and its quality control are also discussed in detail.

对印制板采用丝网印刷液态感光成形阻焊剂的制作进行了简单介绍，并对该制作工艺和品质控制进行了较为详细的论述。

youdao

Besides these, you can try wooden mask printing and the Takbon, as well as tools used by people in the past in the Learning Room.

此外，在体验学习室里，可以亲自操作一把木版印刷和拓本，以及古代人用过的工具。

youdao

Printed circuit board, Solder mask, Flood screen printing, Quality Control.

印制板，阻焊膜，丝网印刷，品质控制。

youdao

Supporters can become "merry men and women" by putting a green mask on their online photo, or printing one to wear.

VOA: standard.2010.02.18

In a process similar to printing a photograph, engineers beam high-powered light through a mask-like image of the chip, creating a duplicate on a silicon wafer.

FORBES: Trick of the Light