Classic power!

From: Eric Smith <eric_at_brouhaha.com>
Date: Mon Oct 4 16:19:07 1999

Tim Shoppa wrote:
> The PC boards that make up the backprojector make use of a unique
> technology: the PC boards themselves are just plain old two-layer boards,
> with the actual PC traces carrying only power and ground. All the actual
> wiring is done by fine machine-laid wiring between pads, with all
> the wire layers "potted" in a plastic compound. Obviously, reworking
> such a PC board is extremely difficult, but it gives impressive component
> densities for the time. The modern equivalent of this is multi-layer
> PC boards, naturally.

This was known by the trademark "Multiwire", and was often used for
quick-turn production. DEC used it on a few boards in the KL10-PV
processor; later revisions of the same boards were conventional PCBs.
Received on Mon Oct 04 1999 - 16:19:07 BST