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Wayne,
We use Nitrogen through an ionizing controller called a Pulseflow
Controller.
To check it I have a static meter, intentionally charge a surface, usually
a piece of Mylar or Kapton, and use the ionized nitrogen gun for a few
seconds. I read the charge before and after.
Chuck Brummer
3M Manufacturing Engineer
8357 Canoga Ave.
Canoga Park, CA 91304-2605
(818) 734-4930
From:
"Thayer, Wayne - IIW" <[log in to unmask]>
To:
[log in to unmask]
Date:
03/23/2010 02:57 PM
Subject:
[TN] air or nitrogen for drying
Sent by:
TechNet <[log in to unmask]>
We have a number of "airbrush" low pressure nozzles around here for
spraying solvents on reworked boards and for drying them off. I know that
nozzles can create static, but I have had no problems to date and have had
no problem with dust sticking to the boards when I dry them off this way.
I haven't been able to find anything on trying to quantify static from
nozzles used in this way. Does anyone have data? Moving to ionized
blow-off for drying the boards would be painful, as that means yet more
equipment in our small cleaning stations.
Wayne Thayer
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