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Spin Coating a Dvd - Query

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videoezy1

videoezy1

Materials
Joined
May 20, 2003
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I would like to know why a bottom of the range spin coater is so expensive - a standard dvd rom drive @ $60.00 can rotate at the required speed. What is it that makes a spin coater so expensive? Has anyone heard of someone making their own spin coater?

Cheers John
 
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