Re: Clearing EPROMs: How much time to lay in the sun?

From: matt (galaga_at_paradise.net.nz)
Date: 2006-07-19 10:28:28

can you use a UV LED???
http://www.ledsales.com.au/cart.php?target=product&product_id=246&category_id=45

?????
----- Original Message ----- 
From: "William Levak" <wlevak@sdf.lonestar.org>
To: <cbm-hackers@ling.gu.se>
Sent: Wednesday, July 19, 2006 5:32 PM
Subject: Re: Clearing EPROMs: How much time to lay in the sun?


> On Tue, 18 Jul 2006, Anders Carlsson wrote:
>
> > Date: Tue, 18 Jul 2006 12:36:32 +0200
> > From: Anders Carlsson <anders.carlsson@sfks.se>
> > Reply-To: cbm-hackers@ling.gu.se
> > To: cbm-hackers@ling.gu.se
> > Subject: Re: Clearing EPROMs: How much time to lay in the sun?
> >
> > Speaking of EPROM programmers and erasers; I have a bit of money that
> > need to be used up and I looked into how much a modern programmer and
> > eraser costs.. Programmers starting at $320-390, erasers at $160.
> > Sheesh, maybe I don't really have that kind of need, or I'm looking
> > at the wrong places (ELFA in this case).
>
> 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.  UV lights are available at novelty and science supply
> outlets, it does not have to be a dedicated EPROM eraser.
>
> 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.
>
>
> wlevak@sdf.lonestar.org
> SDF Public Access UNIX System - http://sdf.lonestar.org
>
>        Message was sent through the cbm-hackers mailing list
>


       Message was sent through the cbm-hackers mailing list

Archive generated by hypermail pre-2.1.8.