Sender: |
|
X-To: |
|
Date: |
Fri, 21 Nov 1997 17:17:02 -0500 |
Reply-To: |
|
Subject: |
|
MIME-Version: |
1.0 |
Content-Transfer-Encoding: |
7bit |
Content-Type: |
text/plain; charset=ISO-8859-1 |
From: |
|
Parts/Attachments: |
|
|
Enthone-OMI has done some research into this area. You may wish to give
them a call.
Regards,
Tom Eshelman
[log in to unmask]
----------
> From: tgyee <[log in to unmask]>
> To: [log in to unmask]
> Subject: [TN] Gold Tips Staining
> Date: Friday, November 21, 1997 12:30 PM
>
> We experienced some staining on the gold tips after the job
passed
> through the OSP finishing. These are what happened:
>
> * Before going into OSP line, the gold tips looked perfectly normal.
> * After OSP, the first tip among the tips row was reddish in color,
> but all the other tips were OK.
> * The gold and nickel thickness were well within the sprcification.
> * The staining did not happened on other jobs.
> * The particular tip connection was intentionally cut off, then the
> board was run through OSP again. The same thing happened. This
> indicated that it wasn't any electrochemical effect.
>
> Can somebody give me some clue about this problem.
>
> ##############################################################
> TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
> ##############################################################
> To subscribe/unsubscribe, send a message to [log in to unmask] with
following text in the body:
> To subscribe: SUBSCRIBE TECHNET <your full name>
> To unsubscribe: SIGNOFF TECHNET
> ##############################################################
> Please visit IPC web site (http://www.ipc.org/html/forum.htm) for
additional information.
> For the technical support contact Dmitriy Sklyar at [log in to unmask] or
847-509-9700 ext.311
> ##############################################################
##############################################################
TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
##############################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
To subscribe: SUBSCRIBE TECHNET <your full name>
To unsubscribe: SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information.
For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311
##############################################################
|
|
|