----- Original Message -----
From: Mike Harrison <mike@WHITEWING.CO.UK>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Wednesday, August 06, 2003 5:22 PM
Subject: Re: [OT]: UV Erasers


On Wed, 6 Aug 2003 17:09:58 -0400, you wrote:

>Hello,
>I'm cosidering a design with one of the RF pics, since these are OTP, the
>development would have to be on a windowed part and I would need an eraser.
>
>Yeah I could just buy one..... And recomendations would be helpful.
>
>But I was thinking that the new UV LEDs might be suitable for the task, has
>anyone any experiance with this?
>It seems to me that a UV LED, a little box (sample box from maxim
maybee...)
>a resistor and my bench power supply -- voila! Total cost less than $4
>
>Thoughts?
Nope - UV LEDs have much too long a wavelength


What wavelength is actualy needed? At what intensity and time? Maybee
someone could point me towards somthing that details this information.
Thanks

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