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Subject: Re: [Homebrew_PCBs] Heated etchant rocks!

From: Dale Chatham <dale@...>
Date: 2007-05-18

Submersible aquarium heaters work quite well. submersible pumps work
well also.

Aeration creates aerosols that you probably don't work. I etched the
heads off of every nail in a storage shed that way :)

Roland F. Harriston wrote:
> Basic:
> All chemical reactions are speeded up under heating.
> Most "Pro" etch machines have heaters.
>
> Roland F. Harriston
> ∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗
>
>
> DJ Delorie wrote:
>
>> Today I remembered to heat my etchant. I just ran hot tap water into
>> a large container, and floated the FeCl container in it.
>>
>> Although it had cooled some (the water bath) by the time I got around
>> to etching (had problems with blue TT paper, ended up using white),
>> the etchant was still warm enough that the copper almost seemed to
>> just wipe off with the sponge! The board was etched in no time.
>>
>> So if any of you haven't tried heating your etchant yet, try it!
>>
>> DJ
>>
>>
>>
>
>
>
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