TECHNET Archives

November 1997

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:
Re: FAB: Measuring Solder Thickness After HASL
From:
Fulton Feng <[log in to unmask]>
Reply To:
TechNet Mail Forum.
Date:
Thu, 13 Nov 1997 12:56:18 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (47 lines) 
Hans
You can ask any fab house for the name of the machine which I've ever
seen. It is a kind of X-ray machine which can measure the thickness of
the pads.

Fulton

>----------
>From:  Hans Rohr[SMTP:[log in to unmask]]
>Sent:  Wednesday, November 12, 1997 5:57 PM
>To:    [log in to unmask]
>Subject:       [TN] FAB: Measuring Solder Thickness After HASL
>
>Does anyone know of a method form measure solder thickness at the knee
>of a hole after HASL other than by cross-sectioning?  We do horizontal
>HASL and when the air knives are set for producing very flat surface
>mount pads we sometimes get thin solder at the hole knee.  We would like
>to do a quick non-destructive test so when can chart thickness on a
>regular basis.
>
>##############################################################
>TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
>##############################################################
>To subscribe/unsubscribe, send a message to [log in to unmask] with following
>text in the body:
>To subscribe:   SUBSCRIBE TECHNET <your full name>
>To unsubscribe:   SIGNOFF TECHNET
>##############################################################
>Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
>information.
>For the technical support contact Dmitriy Sklyar at [log in to unmask] or
>847-509-9700 ext.311
>##############################################################
>

##############################################################
TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
##############################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
To subscribe:   SUBSCRIBE TECHNET <your full name>
To unsubscribe:   SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information.
For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311
##############################################################

ATOM RSS1 RSS2