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General Category => General Discussion => Topic started by: kostas on March 02, 2008, 13:39:08 PM

Title: double side pcbs how to align
Post by: kostas on March 02, 2008, 13:39:08 PM
The question is simlple. How can i align good a double sided pcb?

What i do now is that i first stick the two slides together (front and back side) using a tape and i make something like an envelope that i pun inside the double sided pcb. But using this method i always have some misalignement, sometimes big and sometimes small.
Title: Re: double side pcbs how to align
Post by: kam on March 02, 2008, 15:05:46 PM
Check this one (http://pcbheaven.com/workbench/pcbmaking/?prgn=4)
Title: Re: double side pcbs how to align
Post by: Mosquito on March 03, 2008, 00:39:49 AM
This hole wont be a problem when etching?
Title: Re: double side pcbs how to align
Post by: ScubaCap on March 03, 2008, 01:02:59 AM
like what problem?
Title: Re: double side pcbs how to align
Post by: Alex on March 03, 2008, 11:43:36 AM
There will be no problem. After all, you can as well drill outside the pcb. For example at the 4 corners of the board where you probably may have holes for screws...
Title: Re: double side pcbs how to align
Post by: kam on March 03, 2008, 12:14:41 PM
which would be the best i assume
Title: Re: double side pcbs how to align
Post by: Andre on March 03, 2008, 12:47:47 PM
Or also you can make the transparencies quite larger than the board and make some cross signs on both sides. There you can put a pin that will only wold the transparencies and not the board. I use this method and never miss a micro ;)
Title: Re: double side pcbs how to align
Post by: kam on March 03, 2008, 13:48:37 PM
That would be also very nice and easy as long as the board is smaller than the transparency.

Title: Re: double side pcbs how to align
Post by: kostas on March 17, 2008, 08:14:58 AM
i have try it and it works!
Thanks guys
Title: Re: double side pcbs how to align
Post by: kam on March 18, 2008, 21:23:33 PM
of course it works. As long as you do it correct  ;)
Title: Re: double side pcbs how to align
Post by: tpone on March 20, 2008, 02:35:10 AM
Have faith