Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
previous in topic topic list  

Subject: Re: Cupric Choride etching - costs and benefits

From: "grantfair2001" <grant.fair@...>
Date: 2003-03-13

--- In Homebrew_PCBs@yahoogroups.com, Adam Seychell
<adam_seychell@y...> wrote:
> Oh sorry, I forgot to mention the hydrometer. [snip]
>
> Luther m stroud mentioned, having all this lab equipment might be
> an overkill. He brings up a good point. How about setting up your
> etching tank and start etching circuit boards before investing in
> some lab ware. You don't need any fancy equipment to prepare the
> copper etchant. Only some kitchen scales and measuring jugs.
> Later, when your etchant starts to become exhausted you may
> decide to buy the equipment and restore the etchant.
>
> Adam

Well, that's pretty good advice. I already have some HCl. I did not
realize it took so long for the copper to react - so when I tried it,
after an hour I assumed nothing had happened or would happen. When I
get the picnic chest and a workplace organized I will give it a go.

Grant