Subject: | |
From: | |
Reply To: | |
Date: | Thu, 13 Jan 2005 15:59:24 +0700 |
Content-Type: | text/plain |
Parts/Attachments: |
|
|
Hi Guenter,
Thanks so much for your advice. Actually, your idea is unique on this net
about this topic. It seems nobody use no N2 for reflow.
Best regards,
England
----- Original Message -----
From: "Guenter Grossmann" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, January 13, 2005 3:27 PM
Subject: [TN] Antw: [TN] Must we applied N2 to reflow when using Pb-free
solder paste?
> John
>
> Reflow soldering Pb free is possible without N2. You will see some
> problems with wetting. However, the reaction of the solder with the
> metallisation takes place.
> I heard of rumors about reliability problems when soldering without N2
> but didn't read a paper so far.
>
> Best regards
>
> Guenter
>
>
>
> EMPA
> Swiss Federal Laboratories for Materials Testing and Research
> Centre for Reliability
> Guenter Grossmann, Senior Engineer
>
> 8600 Duebendorf
> Switzerland
>
> Phone: xx41 1 823 4279
> Fax : xx41 1 823 4054
> mail: [log in to unmask]
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 1.8e
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to
[log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to
[log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16
for additional information, or contact Keach Sasamori at [log in to unmask] or
847-615-7100 ext.2815
> -----------------------------------------------------
>
---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 1.8e
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
-----------------------------------------------------
|
|
|