Paul BRITTON wrote:

> >Poster:       "Clewer,Brian" <Brian.Clewer@TELEMATICS.COM>
> >
> >Hi all,
> >
> >I had a cheap solution to erasing the windowed chips.  It might be
> >slightly unbelievable and probably quite dangerous but it consisted of a
> >replacement tube for a proper UV eraser, a cheap fluorescent lamp a shoe
> >box and some tin foil!
> >
> >Regards,
> >Brian.
>
> This is exactly what I did to improvise an eraser, buy one of the UV bank
> note checkers, get a replacement 4" 'black UV' tube, attach a mains-DC PSU
> to the battery contacts, put it with the PIC in a shoebox, switch on and
> away you go!

I mounted my 6W UV tube in a box made of an aluminimum plate bent in a
semi-parabolic shape wedged between two other (thick) plates with the
parabola machined into them.

I can put a EEPROM device anywhere in the eraser with the same exposure
time (2min - 3min for a PIC).

Friendly Regards

Tjaart van der Walt
mailto:tjaart@wasp.co.za

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