The risk of dammage to any semiconductor device subjected to the levels of emf generated by an arc welder is extremly high. I feel that the one off cost of an eprom eraser would easily offset the cost of many destroyed pics and whatever else. Cheers Richard ---------- > From: Eric van Es > To: PICLIST@MITVMA.MIT.EDU > Subject: Re: Arc welders for eprom erasure [OT] > Date: 29 September, 1997 5:24 AM > > dlions@acs.itd.uts.edu.au wrote: > > > Hey dudes! > > > > Has anyone considered using arc welders as a source of strong UV > > to erase eproms. I don't mean a full 50kg arc welder, but using the same > > concept of the spark it produces, and the UV from it. > > > > [Snip] > > > I don't really care about EPROM's but I am thinking of investing in > > a window version '74 and was hoping to avoid buying an eraser, and waiting > > for the chip to erase. Obviously i would not risk a '74 just to save a > > little time though. Is what i am doing safe? > > > > I think that in the long run your welding rods will be more expensive than the > UV eraser. I'm still searching for one of those lights thay use at the bank to > check the money for forgery.... should be cheapish. > > Wheter its safe? If you protect your eyes and don't stick your fingers into > the arc, I'd say its reasonably safe! > > > Thanks in advance, > > David Lions > > -- > Eric van Es | Cape Town, South Africa > mailto:vanes@ilink.nis.za | http://www.nis.za/~vanes > LOOKING FOR TEMPORARY / HOLIDAY ACCOMODATION? > http://www.nis.za/~vanes/accom.htm