Ok, scrap that idea. What's everyone / anyone recommend for an inexpensive eraser? ----- Original Message ----- From: Mike Harrison To: Sent: Wednesday, August 06, 2003 7:13 PM Subject: Re: [OT]: UV Erasers On Wed, 6 Aug 2003 17:31:45 -0400, you wrote: >----- Original Message ----- >From: Mike Harrison >To: >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 The wavelength is 253.7nm Germicidal lamps are suitable (e.g. Philips TUV) -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics