Think & Tinker, Ltd.
P.O. Box 1606, Palmer Lake, CO 80133
Tel: (719) 488-9640, Fax: (866) 453-8473
Sales: Sales@thinktink.com, Support: Support@thinktink.com
||Dry Film Lamination
- Kindly advise me
regarding the lighting conditions required when laminating dry-film photopolymers. Specifically, what type of ambient lighting is allowed? For example,
can I expose the film to normal indoor lighting, red safe light, yellow or green
light? Does the film require a room that is completely dark?
- Is there a
quick test to see if there is too much UV light in my work shop?
- I am using a dry-film soldermask for my PCB
boards. The cured color is yellowish-green and the finish dull. On production boards that
we buy, the soldermask is dark green and has a glossy finish. Is this really the color of
the dry-film soldermask or there is something wrong with my process?
- I am working on a lab-scale hot roll laminator.
Following the manufacturer's specs for laminating their dry film photoresist to a
circuitized board, I have observed some bubbles which look to be trapped against the
copper circuitry. Have you ever observed this kind of behavior? How can I get a
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