I'd rather see the revision of doc's than new numbers.  I appreciate the
current updates, but why change the numbers??
-----Original Message-----
From: Mike Buetow <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Wednesday, May 20, 1998 5:24 PM
Subject: Re: [TN] IPC Specs


>Ralph,
>
>Thanks for your note. This is a valid question, although I assume that when
you say
>mil specs "never" changed, it's because the numbers didn't change, not the
actual
>contents. After all, MIL-PRF-55110 is now at F revision.
>
>I would like to point out that IPC-RB-276 was published in 1992, and not
superseded
>until 1997, and that IPC-D-275, published in 1991, wasn't superseded until
1998.
>That's a lot of time between revisions. In fact, we frequently hear from
industry
>that the standards don't keep up with the technology.
>

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