Plane of core memory

Jon Elson elson at
Thu Apr 18 10:47:12 CDT 2019

On 04/18/2019 04:49 AM, Brent Hilpert via cctalk wrote:
> It's a 4-wire 3D planar array. By topology and 
> construction I would guess it date it from the 60s.
Make that EARLY '60s.  As soon as somebody figured out that 
you could combine the sense and inhibit wires, everybody 
immediately went to 3-wire planes.


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