TECHNET Archives

August 2004

TechNet@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
David Douthit <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, David Douthit <[log in to unmask]>
Date:
Tue, 24 Aug 2004 17:00:40 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (50 lines)
Bill,

Bake the boards then test them.
Follow that up with testing after 48 hrs in a 85% Rh chamber.

That should result in interesting information!

David A. Douthit
Manager
LoCan LLC

Bill Higinbotham wrote:

>We are using a multilayer FR4 board with 12 mils between layers and getting
>breakdown between traces on different layers.  The voltage is about 3500 V
>peak.  THis board should be good for 740 V/mil x 12 or 9 KV.  I wonder if
>it is excessive leakage due to moisture absorption?
>
>Bill
>
>Bill Higinbotham
>RFL Electronics Inc.
>E-mail : [log in to unmask]
>Voice: 973.334.3100 Ext. 386
>Fax: 973.334.3863
>
>---------------------------------------------------
>Technet Mail List provided as a 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/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
>-----------------------------------------------------
>
>
>
>

---------------------------------------------------
Technet Mail List provided as a 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/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
-----------------------------------------------------

ATOM RSS1 RSS2