Apptech wrote:
>> On Thu, Dec 06, 2007 at 01:12:54PM -0700, Bob Axtell 
>> wrote:
>>     
>>> Well, I told ya I was old....I was there when Intel tried 
>>> to sell serial
>>> memories to us (CTC, i.e. Datapoint)
>>> with the memory cases made of translucent white ceramic, 
>>> which meant all
>>> was well inside a dark
>>> computer case, but light would make them act up badly 
>>> when the case was
>>> open. To temporarily solve
>>> the problem, we carefully painted the chips with thick 
>>> black roofing paint.
>>>       
>> Translucent? To what degree? Is this the white ceramic 
>> cases I've seen,
>> or even more obviously translucent?
>>     
>
> That brings back memories [ :-(  :-) ].
>
> In the "earlier days" we used to program eproms and use them 
> with the window uncovered. I guess many of us have found out 
> that this is a bad idea. Like Bob's memories, they used to 
> misbehave when exposed to light, and quite reasonably so. 
> Fluorescents were worse than incandescents. Not erasure but 
> just the odd unexpected program malfunction. Bright lamp up 
> close = gross malfunction. The stickers aren't just labels 
> ;-).
>
>
>         Russell
>
>   
hehe. In the early days when I was unable to get a UV lamp of the right 
frequency,
we took a box of 'em outside into the hot Texas sun. By early afternoon, 
they were
ready to go...

Ah those were the days....

--Bob

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