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July 2003

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Subject:
Re: Wave soldering / Closed open N- Tunnel systems
From:
Cal Driscoll <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 2 Jul 2003 10:59:15 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (65 lines) 
Air Liquide has done studies and they are available for down load at:

http://www.airliquide.com/en/business/industry/electronics/expertise/tech_pa
pers.asp

and

http://www.airliquide.com/en/business/industry/electronics/expertise/tech_pr
ocess.asp



Hopefully this helps,

Cal Driscoll
Communications Test Design, Inc.
www.ctdi.com



-----Original Message-----
From: Zweigart, Siegmund [mailto:[log in to unmask]]
Sent: Wednesday, July 02, 2003 10:54 AM
To: [log in to unmask]
Subject: [TN] Wave soldering / Closed open N- Tunnel systems


Hello all

We are looking about the differences in lead free wave soldering in regard
to different wave systems.
Do somebody know of any experiments regarding different ppm levels if closed
(tunnel system) and open N- systems are compared?
Are ther any differences in Solder Quality in regard to differnt O- levels
in N?

Thanks for your answers

Siggi

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