OMG, my dad is a Dave Miller. Almost freaked me out when I saw it. I was thinking, "Is he in this group?"
Anyway, you guys have me confused again. Some recommend acid and some alkali. I've worked with both in some very strong concentrations and know how to handle them. I have a $300 respirator with O2 feed and lots of gloves. My biggest question is the type of paper you use in the printer so you can get a transfer. Where do you get it? Also a good source for blank boards (single side to start with). What about software? Is there a freeware that works good for simple layouts? Is there a standard commercial package that everyone uses or is the most popular. I've read about Eagle????
I've done some layouts by hand with a felt tip pen, but it's time consuming and difficult to edit.
Thanks again,
debra miller
Dave Miller <
dmiller45@...> wrote:
--- In Homebrew_PCBs@yahoogroups.com, "derekhawkins" wrote:
>
> >I mean, do they outgas during use
>
> Yep, you'll keel over on the first whiff.
>
> --- In Homebrew_PCBs@yahoogroups.com, DJ Delorie wrote:
> >
>
Check out the developing and striping solutions you can mix up on Think
and Tinker's website:
http://thinktink.com/stack/volumes/voliii/consumbl/devmix.htm
The Soda Ash mentioned is the same as Washing Soda (sodium carbonate
monohydrate) that can be picked up in your local grocery store in the
laundry section, it is a common soap used to clean clothes and fairly
beign.
The Sodium Hydoxide is of course Lye, which is often found in the drain
cleaner section (you want pure Sodium Hydoxide, not mixed with any
thing else). Lye is more damaging and should be treated with
appropriate care. (Gloves, safety glasses, plenty of ventalation, plus
always add the lie to the water, not the other way around).
They also give you the concentrations normally used to develop and
strip the the boards.
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