Joe R. was asking about Matrix cards
We used to have a VME based x-ray film scanner that was a Matrix
product, it was a prototype. If I remember correctly I think Matrix was
based in California and made film cameras and scanners for industrial
applications. Our initial unit had a VME controller with a micro PDP-11
as the network interface. I think I have the micro PDP-11 somewhere in
my garage.
Looks like Agfa purchased them.
Mike