Dry film photoresist technology has high technical barriers and my country’s demand is highly dependent on foreign countries.

PCB photoresist is a type of photoresist that is used in PCB (printed circuit board) manufacturing. The products mainly include dry film photoresist, wet film photoresist, and photoimaging solder mask ink. Compared with semiconductor photoresist and panel photoresist, PCB photoresist has lower technical barriers. Among its three subdivided products, dry film photoresist has a relatively…