Category Archives: screen printing

Screen printing PCBs

It’s official – making a homebrew screen from a bit of left-over silk, stapled to a picture frame and masked with pound-shop parcel tape, not only works, but works really well! On our frame we had a stencil of the pcb tracks, and a stencil for the sold… Continue reading

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Nerds in Berlin (again)

We’ve been here in Berlin for a few days – in the salubrious district of Kreuzberg – and slowly getting to understand (some) of the appeal. It has many similarities to Brighton: only a grubby, dirtier, graffiti-strewn version – and no seaside. The… Continue reading

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A4 frame for eurocard sized PCB silkscreen printing

Thanks again to Andy at handprint.co.uk who emailed with some more advice about our miniature silkscreen idea. Below is an abridged copy of his email:The size thing…To get good results you need to have sufficient room on screen to load it with e… Continue reading

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Controller for UV exposure box for PCB screen printing

While it was really tempting to just chuck some LEDs onto a bit of veroboard and just plug it in (ok, we did exactly that) we’ve since decided that it needs a bit of time and effort spending on it. While we’ve got a board full of LEDs that lights up wh… Continue reading

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Exposing UV silkscreen for PCB printing

Andy from handprint.co.uk kindly offered some help with our silkscreen idea. He sent some diagrams to explain why exposing UV emulsion on a silkscreen is better done from a distance and not from the minimum distance required, based on the lens angle of… Continue reading

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Making a small cheap UV exposure box

It seems that we spend most of our time planning things while we wait for stuff to arrive for an earlier project. That’s certainly the case now, as we’re waiting for some silkscreen mesh to arrive to try out our miniature silkscreen for printing PCBs i… Continue reading

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