Double sided vinyl sticker PCB toner transfer

in DIY, PCBs by DP | 2 comments

vinyl

Mincior made a tutorial on DIY double sided PCBs using vinyl stickers as your toner transfer substrate. We wrote about his vinyl sticker method in an earlier post, but this one covers synchronization between the two layers as well.

This is a different way of making a double sided PCB, having one feature in common with the previously presented option – it also relies on vinyl sticker. For this reason we’re going to call it double sided vinyl sticker PCB. As you will soon discover, I have used pins for synchronizing the two sides. It’s a little bit more complicated BUT it should provide more accuracy with aligning the two sides.

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Comments

  1. James says:

    Coincidentally, I designed some corner alignment markers for Fritzing last night to help with artwork alignment. Just put drag and drop one around each corner and then you can precisely align your pre-cut board over the artwork, no matter which side.

    Top right corner has longer sides, so you can mark the edge of your PCB there and know that corner always goes to the long-sided corner of your artwork.

    Bottom left corner has the words “This Side Board” on the bottom layer copper (and silk…), and reversed on the top layer so when you print the top side mirror image it comes out non-reversed and you know that side (toner side) goes to board (even if using UV exposure, you want the toner side towards the board to minimize undercutting).

    Shapes in the corners help to get the registration right if you are putting two artworks together (photo imaging to increase the darkness) or a simultaneous transfer on both sides.

    Each corner has marks at every 0.5mm for 5mm in both x and y directions so that you can center the board in the area if it’s a little over-size.

    Image of expected usage in fritzing: http://sirius.gogo.co.nz/edge14.png, you basically do the same in real life once you’ve printed the artwork, align your board the same as in fritzing.

    Fritzing Parts Bin: http://sirius.gogo.co.nz/DIY-PCB.fzbz

    Hopefully the html in this comment doesn’t get eaten, I wish there was a preview!

    • James says:

      Ergh, the html did get eaten. Will somebody please improve the formatting of the comment. I also wish there was an edit!

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