Subject: | |
From: | |
Reply To: | TechNet E-Mail Forum. |
Date: | Tue, 14 Dec 1999 08:42:08 EST |
Content-Type: | text/plain |
Parts/Attachments: |
|
|
Dear TechNet,
What would cause a perfect ring void just under the knee of the hole, with
the knee
intact? Drill, DML, Dry film, light scrub, Pre plate clean- acid cleaner & Na
Persulfate Etch 10-15 micro inches, Acid CU, Acid bright Tin, Mono DF strip,
Ammoniacal
Etch. Job specific to 1 part # all other product running along side is
perfect.
All material Std. .062 Fr-4 1/1. Longtime runner w/ no probs in past.
Thanks,
Julie Dixon
##############################################################
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.
If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
847-509-9700 ext.5365
##############################################################
|
|
|