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Pototool Masking Film
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Phototool Masking Film
Photographic film (artwork film, working film) which carry the circuit layout to be etched into the PCB, can be contaminated with particles during production, storage, or by handling. These particles may corrupt the final image exposed onto the photo resist film, and eventually cause board rejection or failure. It should also be laminated with protection film (Phototool protection film) to prolong their usage / life and to ensure consistently accurate photo-imaging.
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