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Homebrew PCBs

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Message

Re: [Homebrew_PCBs] bubbler - more even spread of bubbles

2005-03-08 by Philip Pemberton

In message <opsna8wwl0mg0lsf@...>
          "Stefan Trethan" <stefan_trethan@...> wrote:

> I'm not sure what is best, all i know is i have a uneven etch and i'd like  
> to change that.

I've been using a cheap fish tank air pump and a blue foam bubble hose. The
bubble hose has been bleached white by the FeCl and has a few "rust spots"
(probably from the Fe in the FeCl), but it still seems to work fine. Perfect,
even etching in my experience. A heater is also a useful addition.

Later.
-- 
Phil.                              | Acorn Risc PC600 Mk3, SA202, 64MB, 6GB,
philpem@...              | ViewFinder, 10BaseT Ethernet, 2-slice,
http://www.philpem.me.uk/          | 48xCD, ARCINv6c IDE, SCSI
... A)bort R)etry G)et a stick and kill it.

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