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March 2000

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Subject:
From:
Paul Klasek <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 10 Mar 2000 13:27:00 +1100
Content-Type:
text/plain
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text/plain (80 lines)
Apart from Mike's & Frank's ; Doug, let's take the work personally :

Imagine the 2M picture :
There is Doug, justly frrreshly pooped from clean bath , ready for drying .
Presses button ; comes out AN AIR GUN ,
which with the below mentioned deafening noise commences it's task with
pitiful efficiency and truckloads of entailed negatives .
Happy ? No ?

Ok , lets have 3M picture :
As above , Doug whistles high C voice command , and, viola, the LARGE DIA
CENTRIFUGE WITH FILTER,
aka common kitchen window fan , with variable speed to validate the optimal
VOLUME flow,
commences it's task .
Doug is dry in seconds (60 of 'em), ready for his favorite "watering" hole .

"do not to others you'd whish not to yourself"

amen

PS
yes emitting needle spicing the air with occasional ozone molekule won't
hurt.
Desist the lavender oil capillary .


-----Original Message-----
From: Douglas Pauls [mailto:[log in to unmask]]
Sent: Friday, 10 March 2000 7:53
To: [log in to unmask]
Subject: Re: [TN] High Pressure Air Dry for PWBs - creates ESD?


In a message dated 3/9/00 1:47:13 PM Eastern Standard Time,
[log in to unmask] writes:

> Our current method of drying PWBs after cleaning is to blow them dry with
a
>  standard air gun with up to 125 psi of air.  Other than the sound level
>  which can be deafening does this create an ESD problem with static
generated
>  by the fast moving air?  What are the best methods of noise and static
>  abatement?
>

I would be far more concerned about the oil and other contaminants you are
blowing onto the assembly.

Doug Pauls

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