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Mega Microtrak FR4 Positive Photoresist Copper Clad Printed Circuit Board PCB Mega Electronics 03 5126 1, 233.4 x 220mm double sided copper clad fibreglass PCB laminate photoetch board coated with a high resolution photo resist.Microtrak laminates consist of FR4 epoxy glass laminate sheets, dip coated with a positive working photo resist. The photo resist contains a dye that provides a good contrast against the copper and allows boards to be easily inspected at the developing stage. Boards are protected by a specially designed light proof blue film which allows them to be guillotined without the risk of fracturing the photo resist. Mega Microtrak Positive Photoresist FR4 Double Sided 233.4 x 220mm 1 Sheet
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