One More PCB Dishwasher Question

From: Boatman on the River of Suck <>
Date: Fri Dec 28 13:10:03 2001

On Fri, 28 Dec 2001, Bob Shannon wrote:

> Never run boards through a dishwasher!
> This has got to be one of the most insane ideas I've ever heard.
> Commercial PCB's do get washed, but only after the water has
> been deionized with some rather expensive and high maintainance
> equipment.
> I'm quite sure that manufacturers don't go through the expense of
> maintaining
> this gear if your maytag washer could do the job.

Actually, the IBM Interconnect Manufacturing Process Development Lab uses
a Whirlpool, not a Maytag.

> Lots of domestic water supplies have 'hard water' and.or high mineral
> content
> that will dammage or destroy your boards. Maybe not while they are in
> the
> washer, but corrosion may set in later.

I'm sure that filtering the water wouldn't hurt, but even DI water will
damage your board if you don't remove it from the board quickly. I.E.
don't air-dry the board.

Peace... Sridhar
Received on Fri Dec 28 2001 - 13:10:03 GMT

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