PLEASE DON'T POST MSGS WITH ATTACHMENTS TO THE TECHNET. Attachments drag down the
server. If there is a document that a lot of people want, we will be pleased to
offer assistance with distribution. jack
Jack Crawford, IPC Project Manger - Assembly
2215 Sanders Road, Northbrook IL 60062-6135
[log in to unmask] http://www.ipc.org
847-509-9700 x 393
fax 847-509-9798
>>> Joseph Fjelstad <[log in to unmask]> 03/26/98 06:57PM >>>
Hi Charles,
My I suggest you just send an attachment to the whole of TechNet. Those not
interested can delete it and those too shy to ask will get it also.
Cheers!
Joe
-----Original Message-----
From: Janice M LePage [SMTP:[log in to unmask]]
Sent: Thursday, March 26, 1998 1:31 PM
To: [log in to unmask]
Subject: Re: [TN] [DC] Need suggestions
Chales,
I would like to have a copy as well. That would be very helpful as I am
senting up vendor surveys for this year.
Thanks
Janice LePage
c/o Centigram Comm. Corp.
199 East Tasman Drive
San Jose, CA 95134
[log in to unmask]
408-428-3777
408-428-3736 Fax
From: [log in to unmask] on 03/26/98 01:39 PM CST
Please respond to [log in to unmask]; Please respond to [log in to unmask]
To: [log in to unmask]
cc: (bcc: Janice LePage/US/Centigram)
Subject: Re: [TN] [DC] Need suggestions
Charles Barker@I-O INC
03/26/98 01:39 PM
Hi JoAnn,
Years ago, I created a two page, PWB SHOP MANUFACTURING TOLERANCES,
STANDARDS AND CAPABILITIES SURVEY form. I would send this to our
shops/potential shops for them to fill out to see how they stacked up
against what we were doing. It also gave me good back up data when someone
asked me whether or not they could do a certain thing when designing their
boards.
I will be updating this form soon (it may go to three pages) and will be
happy to send you a copy of it. With that information at hand, you will
then know just what each shop can and can't do as a part of their normal
day-to-day operation. I found that most shops, when asked: "Can you do
xxxxx?" will say YES, but they don't always tell you whether or not they
would have to push the envelope to reach that goal. I always want to know
what they are most comfortable with producing to get the maximum yield for
whatever the particular need is at hand.
Then there are those very detailed survey forms that are 20-30 or more
pages long............ That's another issue.
Please respond to [log in to unmask]
To: [log in to unmask]
cc: (bcc: Charles Barker/US/I-O INC)
Subject: [DC] Need suggestions
My boss and I were talking yesterday about what our board fabricators
can and cannot do. We're being asked to use 12mil traces as a
minimum because anything smaller is an increase in price. I assumed
8mil was the "standard", unless otherwise called for due to current
load, board size, etc. What are you, in the real world, using for
your "plain Jane" signal traces? And also, he keeps telling me we
use a foreign board fabricator for the boards that use soft gold.
Something about it uses arsenic in the process and domestic vendors
don't want the hassle or expense. I know that Hadco does soft gold
and I think it's done in New York. Does anyone have any info on
other companies located in the US who can do soft gold?
JoAnn L. Amerson
Design Librarian
Red Lion Controls, Inc.
E-mail: [log in to unmask]
Voice: (717) 767-6961 ext 6308
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