EPROM Eraser not erasing New EPROM

[Peter Gargano]

93 Formula wrote:

> I am using the Datarase II EPROM eraser which I rigged so it 
> would stay on with the cover off. 

UV Light is very dangerous for your eyes - if you have the
cover off an eraser, then make sure you have something to
shield your eyes while it's on.

I use a standard Philips 20W ULTRAVIOLET tube (quartz glass)
with a standard ballast and starter - cost me about $10 a few
years ago - I use my watch for timing! It's in a light tight 
metal box, and I can erase perhaps 40 EPROMs at a time.

With this setup, a MEMCAL sits right on the tube and clears
in at least 10 minutes.

PG.
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