TECHNET Archives

September 2010

TechNet@IPC.ORG
Options: Use Monospaced Font
Show Text Part by Default
Condense Mail Headers

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

Print Reply
Sender:
TechNet <[log in to unmask]>
X-To:
TechNet E-Mail Forum <[log in to unmask]>
Date:
Fri, 17 Sep 2010 07:14:09 +0000
Reply-To:
TechNet E-Mail Forum <[log in to unmask]>, Fabien Guizelin <[log in to unmask]>
Subject:
How to measure thickness of ENIG plating inside the via barrel
From:
Fabien Guizelin <[log in to unmask]>
MIME-Version:
1.0
In-Reply-To:
<[log in to unmask]>
Content-Transfer-Encoding:
base64
Content-Type:
text/plain; charset="utf-8"
Parts/Attachments:
text/plain (1 lines) 
Hi 

IPC-4552 calls for XRF to measure ENIG plating thickness. But, this method can only be applied to surface pads.  How can we assess the quality of the plating in via barrel ?    (poor plating would compromise mechanical strength and resistance to corrosion)

Thanks for your insight

Fabien


______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please contact helpdesk at x2960 or [log in to unmask] 
______________________________________________________________________

ATOM RSS1 RSS2