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Negative photo-resist dry film doesn't stick on PCB!
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Jul 03.2019, 17:43:49
Hello everyone, this is my first topic and hope I'm in the right place.
This isn't my first time with PCB's etching, but, my first time with the negative photo-resist dry film method. I didn't use a laminator (because I don't have one), I used an iron. I saw a dozen of videos on YouTube, people used an iron and it went very good. BUT NOT WITH ME 
After the exposure, and when I put my PCB in the developer, the film simply peels off by itself.
What I tried up to now:
- Different ironing time.
- Different ironing temperature.
- Drying the PCB in the oven after pressing the film with a roller carefully and getting rid of all the bubbles.
Had anyone had some same issues?
Any help or tip is very appreciated!
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