Try it!!!! (Was - Re: One More PCB Dishwasher Question)

From: Ben Franchuk <bfranchuk_at_jetnet.ab.ca>
Date: Sat Dec 29 12:14:18 2001

William Donzelli wrote:
>
> > Not an issue as the temps are well blow boiling (nominal 145f).
>
> You missed the whole point. A sudden change (as in a second or so) from
> 65 F to 145 F will shock a chip far more than a gradual change (15
> seconds) from 65 F to 212 F. It is the rate of change, and not the
> change itself, that matters. With hot water hitting the chips instantly,
> the rate of change is going to be *really* fast. It may also be uneven -
> if a large chip only gets half soaked with the hot water at startup.
>
> William Donzelli
> aw288_at_osfn.org

But is not that change the same as going from COLD to HOT when you apply
power to the chip under normal operation of the computer?
-- 
Ben Franchuk - Dawn * 12/24 bit cpu *
www.jetnet.ab.ca/users/bfranchuk/index.html
Received on Sat Dec 29 2001 - 12:14:18 GMT

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