 
| Subject: | |
| From: | |
| Reply To: | |
| Date: | Fri, 13 May 2005 15:56:39 +0200 |
| Content-Type: | text/plain |
| Parts/Attachments: |
|
|
There are halogens in nearly all epoxy resins (and some other polymers,
including FR-4), some plating solutions, some fluxes (including for
HASL) and some cleaning solvents. Its your guess which is responsible,
as I can't guess your processes or how your MOSFET devices are packaged.
Brian
Bissonnette, Jean-Francois wrote:
> Hi all,
>
> We recently had a number a failures on MOSFETs and set samples for
> analysis. The analysis from the supplier said that some chemical
> contamination occured and it's related to an halogen subtance.
>
> Can anyone tell me in a board fabrication process where such a
> contamination occur? Are fluxes containing halogen substances, cleaning
> products etc.
>
> Thanks in advance!
>
> J-F
>
> ---------------------------------------------------
> 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
-----------------------------------------------------
|
|
|
