Lots more smaller holes. I've been making 0.002" holes with a hot wire.
----- Original Message -----
From: "Stefan Trethan" <stefan_trethan@...>
To: <homebrew_pcbs@yahoogroups.com>
Sent: Monday, March 07, 2005 5:46 PM
Subject: [Homebrew_PCBs] bubbler - more even spread of bubbles
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> Hi,
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> want to raise the bubbler question once again,
> I use a plastic hose with 6 holes in it, made by hot needle.
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> I have streaks on the pcb where the bubbles rise. what can i do about it?
> What would give a better more random spread?
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> ST
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