Subject: | |
From: | |
Reply To: | TechNet E-Mail Forum. |
Date: | Fri, 25 Apr 2003 11:13:04 -0400 |
Content-Type: | text/plain |
Parts/Attachments: |
|
|
For Werner
Does Earl's book have anything like this in it ??
----- Original Message -----
From: "Carl VanWormer" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, April 25, 2003 10:08 AM
Subject: [TN] PCB Material Question
> I have searched (unsuccessfully) for tutorials or charts on PCB material
> comparisons. Is there a good (free?) reference available explaining the
> characteristics of the various PCB materials in current use? I'm used to
> FR4, and I'm aware of the exotic stuff, but I see stuff that looks like
the
> old phenolic is some things that I open up. I've noticed common usage of
a
> tan material in most PC power supplies. I'm hoping to find a physical
> characteristics (Dielectric strength, fire safety, etc) comparison chart
> somewhere . . .
>
>
> Carl Van Wormer
> Cipher Systems
> 1815 NW 169th Place, Suite 5010
> Beaverton, OR 97006
> Phone (503)-617-7447 Fax (503)-617-6550
>
> ---------------------------------------------------
> Technet Mail List provided as a free 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/html/forum.htm for additional
> information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700
ext.5315
> -----------------------------------------------------
>
---------------------------------------------------
Technet Mail List provided as a free 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/html/forum.htm for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
-----------------------------------------------------
|
|
|