Sender: |
|
X-To: |
|
Date: |
Thu, 16 Mar 2006 13:00:59 -0800 |
Reply-To: |
|
Subject: |
|
From: |
|
Content-Transfer-Encoding: |
8bit |
In-Reply-To: |
<20060316185350.FWNJ28408.priv-edtnes56.telusplanet.net@JohnLaptop> |
Content-Type: |
text/plain; charset=iso-8859-1 |
MIME-Version: |
1.0 |
Parts/Attachments: |
|
|
John: Generally accepted goal is one micron, or 40 microinches, thickness.
You essentially never have to worry about it being too thick, and thickness of less than 75% of that value should raise eyebrows...
Rudy Sedlak
RD Chemical Company
John Parsons <[log in to unmask]> wrote: IPC have graciously provided us (the industry) with specifications for ENIG
(IPC-4552) and Immersion Silver (IPC-4553), is there a similar specification
Immersion Tin (white tin)? If not, is there a generally accepted
specification for material thickness?
John Parsons
---------------------------------------------------
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 847-615-7100 ext.2815
-----------------------------------------------------
---------------------------------
Brings words and photos together (easily) with
---------------------------------------------------
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 847-615-7100 ext.2815
-----------------------------------------------------
PhotoMail - it's free and works with Yahoo! Mail.
|
|
|