Ted,
The information you gave below is a little dated, please update your
files relative to PWB Interconnect Solutions Inc.
Phone 613-596-4244
Fax 613-596-2200
URL wwwpwbcorp.com
Best Regards,
Bill Birch
PWB Interconnect
[log in to unmask]
Phone 613-596-4244 Ext 101
> -----Original Message-----
> From: Edwards, Ted A (AZ75) [SMTP:[log in to unmask]]
> Sent: Wednesday, May 02, 2001 6:31 PM
> To: [log in to unmask]
> Subject: Re: [TN] IST - what is it?
>
> It checks the integrity of the plated through holes and what their life
> will
> be. Talk to Bill Burch at PWB Interconnect 819-684-9849, he is both the
> machine builder, offers testing, and the recognized expert on the subject.
> There is also an IPC-t-650 method for the testing plus will soon be a
> technical report from the IPC on IST. The web site is
> http://www3.sympatico.ca/gerard.gavrel/ist.htm
>
> > -----Original Message-----
> > From: Gen Gibbard [SMTP:[log in to unmask]]
> > Sent: Wednesday, May 02, 2001 3:01 PM
> > To: [log in to unmask]
> > Subject: [TN] IST - what is it?
> >
> > Hi, I know that an IST test can be performed on an ENIG finish board,
> and
> > I
> > know it stands for Interconnect Stress Test. I also know that it
> involves
> > current pulses for the purpose of thermal cycles on the PCB.
> > What I want to know is, what is the purpose of it? What does it tell
> you
> > about the PCB?
> >
> > Also, I wanted to know what type of tape is used to perform a tape test
> on
> > an ENIG board to check for black pads. We just got some sample boards
> of
> > ENIG finish and want to perform some in house tests. We normally get
> HASL
> > finish on all our PCB's but realize that the industry is slowly moving
> > towards other finishes in order to, amongst other reasons, get rid of
> > lead. So to be proactive we are starting to evaluate alternatives.
> >
> > Thanks for your time.
> >
> >
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