[vcf-midatlantic] X-ray erasure of EPROMs, was Re: Getting Data off old Atari Floppies

[Mike Loewen]

On Mon, 14 Dec 2015, Dave McGuire via vcf-midatlantic wrote:

> On 12/14/2015 07:11 PM, Jonathan Gevaryahu via vcf-midatlantic wrote:
>> Yeah 300F was completely wrong, I was mixing baking floppies up with
>> baking EPROMS after x-ray (not UV!) based erasure (which really does
>> need 300F).
>
>  Can you tell me more about this?  Does baking somehow address the
> problem of surface state creation during X-ray erasure?
>
>  (I type this with a glance at a stack of trays containing several
> thousand non-windowed EPROM-based microcontrollers, and another glance
> over at my X-ray machine..)
>
>            -Dave

    You forgot to mention your electron microscope.


Mike Loewen				mloewen at cpumagic.scol.pa.us
Old Technology				http://q7.neurotica.com/Oldtech/