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Subject: Re: etch tank idea

From: "Andrew" <andrewm1973@...>
Date: 2008-04-30

> Adam wrote:
>
> <SNIP>
>
> I'm thinking the bubbles should distributed
> evenly across the side walls of the tank
> rather than directly under the PCB. Downward
> fluid flow would occur in the centre where
> the PCB is located.
>
>
> | |
> |~~~~~~~~~|
> |o o|
> |o | |
> | | o|
> |o P o|
> | C |
> |o B o|
> | | |
> | | o|
> |o o|
> | |
> |o_ _o|
> |[ ] [ ]|
> '---------'
>
> <- 100mm ->
>

How about false walls and have the bubble flow
up the PCB and the fluid flow down the side in
a seperated channel behind the false walls

| |
|~~~~~~~~~~~|
| | | |
| | | | |
| | o|o | |
| | o|o | |
| | | | |
| | | | |
| | | | |
| | o|o | |
| | o|o | |
| | | | |
| _o o_ |
| [ ] [ ] |
'-----------'