DRAM chips - ultimate DIY

I came upon this video:

Theo

In contrast, I visited the Royal Signals and Radar Establishment in

Thanks for that. I worked a summer job at Gem Mill in the late 80's, writing some code to track production parameters on their transistor line (ZTX series). Still got a box full somewhere. It was the first and last time I handled an 8" floppy disc, as that was the source of the data on the Lorlin (?) ATE system. We had an 8" drive on a BBC micro to read it, and send it across to the VAX (GEMVAXA) via a serial connection, where it was analysed and graphed using BBN's RS/1 software.

Later I worked at the Hollinwood plant where they did the ASIC design, now buried under the M60 I think. They had an enormous room-sized plotter to print the mask designs for visual inspection. Often heard the call "Trouble at t'Mill" when the production lines at Gem went down.

Then I graduated and they went bust, so I got a job with the other leg of the UK computer industry...