Category:PCB PCB Equipments

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All of the pcb manufacturing equipments is supposed to provide high quality PCB assembly solutions for high mix, small to medium batch requirements.The manufacturing facilities should be continously invested to increase efficiency and maintain product quality.

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PCB light box Reply 2017-02-11 08:23:08
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roberts.trops

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[Kizo] repurposed a flatbed scanner to use as an exposure box for making printed circuit boards. Exposure time is controlled by an AVR ATtiny2313 microcontroller. The device is connected to a separate display board to control four 7-segment displays using one shift register for each. Time is set in ten second increments and once started, switches on the lights with a relay. Once the right exposure time has been reached, the lights are switched off and a piezo speaker is buzzed. There’s no mention of they type of bulbs he’s using but they look like compact fluorescent with tin foil beneath as a reflector.
If these are just CFL bulbs, how will the performance compare to a light box based around a UV light source?
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Cornell

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