>> You can't scratch glass with metal. What you can do
>> is leave a thin trace of metal on the glass. Jewelers
>> rouge will easily remove this is nothing else will.
This is not true. Try running your windshield wipers
without the rubber.
All generalisations have exeptions, however it's usually the road
grit and oxides on the end of the blades that do the scratching.
And lastly, the quartz windows of the EPROMs
are harder than glass.
As can be ceramic chip packages and the PCB itself (glass
fiber laminate).
> I think he was talking about the glass on the scanner.
>
I was.
Lee.
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Received on Mon May 20 2002 - 17:57:32 BST