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Spin Coating a Dvd - Query

Spin Coating a Dvd - Query

Spin Coating a Dvd - Query

(OP)
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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