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Subject: Re: [Homebrew_PCBs] Re: Finally got the green!

From: DJ Delorie <dj@...>
Date: 2008-03-16

"logicresearch" <logicresearch@...> writes:
> Thats some pretty fine etching there.

Thanks. I think the printer can do better, though. It's very
sensitive to the paper you print on. For example, printing on a
transparency gave very crisp edges, ∗but∗ there were drop-outs due to
dirt on the transparency, and my attempts to clean it only made the
results worse. I'm using Pulsar's paper at the moment, when that runs
out I might try press-n-peel to see if my printers like it better. I
also haven't tried adding Pulsar's green film with the HCl bath; these
results were with just toner.

I do still recommend rehydrating any paper you print on, it seems to
consistently help.

I'm also looking forward to experimenting with the photofilm I got;
maybe that will produce a more reliable edge.

The other thing I haven't figured out is how to get my color laser
printer to overlap all its toners to get a really thick coating. It
seems to ignore the relevent commands I send it and do what it thinks
is right :-(