28 Jun
2005
28 Jun
'05
3:18 a.m.
In message <42C0F150.9040303 at gjcp.net>
Gordon JC Pearce <gordon at gjcp.net> wrote:
On that note, are UV LEDs powerful enough to erase
EPROMs? I'm thinking
about building an eraser, and want to try an alternative to the rather
expensive and fragile UV tube.
I doubt it. IIRC the wavelength is wrong - you need 253.7nm ("germicidal
ultraviolet") to erase EPROMs. You might be able to get a UV LED to do it,
but it'll take a long while to erase.
Magenta sell an EPROM eraser kit - that might be worth a try. At last check
it was about ?30.
Later.
--
Phil. | Acorn Risc PC600 Mk3, SA202, 64MB, 6GB,
philpem at philpem.me.uk | ViewFinder, 10BaseT Ethernet, 2-slice,
http://www.philpem.me.uk/ | 48xCD, ARCINv6c IDE, SCSI
... I would if I could but I can't but I might if I find I can later.