5m Portable Photosensitive Dry Film Photosensitive Film Photographic Film Circuit Production Film for Circuit Production Photoresist Sheet Used to Make PCB Board
PHOTOGRAPHIC FILM: also known as dry film, used to make P-C-B board, stick it on top of the P-C-B, it will become a sensitive circuit board.
SUITABLE FOR PLATING: Hole covering, and the etching process.
EXCELLENT ADHESION: To almost all surfaces.
HIGH DEFINITION: Image clarity after exposure.
HIGH RESOLUTION: Excellent ability to cover holes.
Description
Using Steps:
1. Film uncovering, the photographic film is sandwiched between two layers of films.
2. Film pasting, clean and paste flat.
3. Heat slightly to fix with electric iron.
4. Print circuit board film.
5. Exposure
6. Develop
7. Etch
8. Demould