Sender: |
|
X-To: |
|
Date: |
Wed, 8 Sep 1999 22:08:48 -0700 |
MIME-version: |
1.0 |
Reply-To: |
|
Content-type: |
text/plain; charset="iso-8859-1" |
Subject: |
|
From: |
|
In-Reply-To: |
<21EA2A2D4FF4D2118580204C4F4F5020017C98@emxserver> |
Content-transfer-encoding: |
7bit |
Parts/Attachments: |
|
|
Dear Lenny:
I saw a cupric chloride DES line which has a 8 fpm maximum speed, while most
ammoniacal DES lines (about same length or shorter) can run as fast as 15
fpm.
Yu-Shan Han, Ph.D., P.E.
Lead One Technology, Inc.
Seattle, WA
(206) 368 - 8429
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Lenny Kurup
Sent: Wednesday, September 08, 1999 11:51 AM
To: [log in to unmask]
Subject: Re: [TN] Ammoniacal vs Cupric chloride Etcher.
> What system etches faster, ammoniacal or cupric chloride? Based on
> typical PCB manufacturing, and common chemistries i.e. nothing too
> fancy and juiced.
>
> LK
##############################################################
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
##############################################################
##############################################################
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
##############################################################
|
|
|