removing parts from PCBs

gordonjcp at gjcp.net gordonjcp at gjcp.net
Wed Nov 16 01:55:30 CST 2005


> On 11/15/2005 at 3:36 PM woodelf wrote:
>
>
>>So what is wrong with cheap water?  I guess - inert - says it all.
>
> Well yes, but remember that Honeywell tinkered with direct water cooling a
> bit back in the 70's.  I think they used a copper diaphragm between the
> water and the chip to conduct heat.  I know they had problems with algae
> growing in the tubing and that certain algicides had the problem of
> corroding copper.  IIRC, this was an ECL implementation of an earlier
> machine that didn't do much better than 1.5x the original in performance.
> As a product, a disaster.

Of course plain ordinary automotive antifreeze is a corrosion inhibitor
and toxic enough to prevent algae growing...

Gordon



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