Thanks to everyone who responded.

I have been encouraged to work with the IPC-2141 committee
(their next meeting is coming up at IPC EXPO).

Regards,

Karl Sauter
Staff Engineer - PWB Technology
Sun Microsystems


> Date: Fri, 1 Mar 2002 11:26:16 -0800 (PST)
> From: Karl Sauter <[log in to unmask]>
> Subject: Re: [TN] IPC TM-650 Standard for Impedance Testing
> To: [log in to unmask], [log in to unmask]
> Cc: [log in to unmask]
>
> Brian,
>
> As a major OEM, we have had to write into our own standard PWB
> procurement specification a whole set of requirements to ensure
> meaningful and consistent impedance measurement and reporting
> by our suppliers.  Approximately 80 percent of these requirements
> could be applied to an improved IPC/industry controlled impedance
> testing procedure.  May be this would not only help the industry,
> but also OEM's would be enabled to reduce the size of their PWB
> specifications by one page or more.
>
> Sincerely,
>
> Karl Sauter
> Staff Engineer - PWB Technology
> Sun Microsystems
>
>
> > Date: Fri, 1 Mar 2002 09:57:39 -0500
> > From: "Brian D. Butler" <[log in to unmask]>
> > Subject: [TN] IPC TM-650 Standard for Impedance Testing
> > To: [log in to unmask]
> >
> > To all:
> >
> > Controlled Impedance products are becoming more and more popular. I am
> > interesting in hearing opinions on the relevancy of the TM-650 standard
> > for controlled impedance testing. How many people our using it and if not
> > should it be changed?
> >
> > Sincerely,
> > Brian Butler
> > Introbotics Corp
> > (505)345-7785
> > www.introbotics.com
>
>

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