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Homebrew PCBs

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Re: Toner transfer

2003-08-17 by wheedal99

We probably need just a few more details to help guess at what is 
causing the problems.  What are you using to fuse the toner to the 
copper?  I use a cheap paper laminator that helps to keep the heat 
and pressure consistant.  It was hit and miss with the clothes iron I 
used before.

Some things to check:  If I don't tack down the toner right off the 
bat (especially on 2 sided boards), the paper moves and I get partial 
drop out and the lines can look like they jag a bit when the toner is 
done fusing.  Another variable is the paper carrier.  I use magazine 
stock and sometimes I'll get sheets that use a bit more recycled 
paper pulp in the mix and the result can look a bit fuzzy because the 
paper isn't all that flat.  If I make certain I have plenty of good 
quality (high clay content)paper you should be OK on that part.

I've got a short write up on what I do at:
http://myweb.cableone.net/wheedal/pcb.htm

--- In Homebrew_PCBs@yahoogroups.com, "shuttleau" <shuttleau@y...> 
wrote:
> All
> 
> I have started using the toner transfer process and it generally 
works
> well for what I make. 
> 
> One problem is the track edges. Sometime they are "ragged" , not a
> straight line. The toner transfer on the copper is straight, but the
> end result is not ?

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