Badly Warped Boards

From: Zane H. Healy <healyzh_at_aracnet.com>
Date: Sun Aug 12 12:50:25 2001

>I've come across a UNIBUS board that is seriously warped -- so badly
>warped that some of the components directly on the curve have snapped in
>half. I've seen others like it during various scrapyard excursions. What
>causes this deformation? Can it be repaired?
>
>--
>Jeffrey S. Sharp
>jss_at_subatomix.com

I've got an OMNIBUS board from my PDP-8/m that was warped, though not this
bad. It's bad enough however that the traces were cracked. To make
matters worse it is part of a core stack. What caused it was wiring
twisting it into a non-flat configuration.

                        Zane
--
| Zane H. Healy                    | UNIX Systems Administrator |
| healyzh_at_aracnet.com (primary)    | OpenVMS Enthusiast         |
|                                  | Classic Computer Collector |
+----------------------------------+----------------------------+
|     Empire of the Petal Throne and Traveller Role Playing,    |
|                   and Zane's Computer Museum.                 |
|                 http://www.aracnet.com/~healyzh/              |
Received on Sun Aug 12 2001 - 12:50:25 BST

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