Dry Film Knowledge Center

Article 01

Photoresist Dry Film: Structure, Components and Working Principle

Understand dry film layers, key components, exposure chemistry, and their role in PCB circuit pattern transfer.

Article 02

Explore photosensitivity, adhesion, development, process resistance, stripping performance, and resolution in PCB dry film.

Article 03

Reference process parameters for surface preparation, lamination, exposure, development, stripping, and storage.

Article 04

A process-based evaluation of color variation, exposure, development, AOI findings, and production verification.

Article 05

Compare HC and HD dry-film series for standard, flexible, direct-etching, thick-copper, high-resolution, and LDI applications.

Article 06

Follow the complete PCB dry-film flow from copper-surface preparation through stripping.

Article 07

Review PCB dry-film lamination, from preheating through cooling, with reference ranges for temperature, pressure, and speed.

Article 08

Understand UV exposure, energy, alignment, vacuum control, and common issues in PCB dry-film pattern transfer.

Article 09

Learn dry-film development chemistry, reference process parameters, and development-point control for PCB pattern transfer.