From: Ethan Dicks (ethan.dicks_at_gmail.com)
Date: 2006-07-19 23:51:59
On 7/19/06, William Levak <firstname.lastname@example.org> wrote: > My old Rockwell data book says that EPROM's can be erased by exposing to > UV light for 20 minutes. It does not say whether to use long or short > wavelength UV. It would have to be short wavelength UV. Long wavelength UV _can_ erase EPROMs, but it takes substantially over 20 minutes. > UV lights are available at novelty and science supply > outlets, it does not have to be a dedicated EPROM eraser. Germicidal UV bulbs - sometimes used for pool-side or RV water treatment systems are the right wavelength, FWIW. > If you use one of these other UV lights, be sure to shield your eyes from > direct exposure to the UV light. Overexposure to UV light has been > implicated in glaucoma. Indeed. You want a sealed unit that won't leak light when you fire up the bulb. -ethan Message was sent through the cbm-hackers mailing list
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