The Physics of Spin Casting - PowerPoint PPT Presentation
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Title:
The Physics of Spin Casting
Description:
Fsin? N mg = 0. Surface Tension ... ?A (?Bcos? ?AB) = 0. Low: ?A (?B ?AB) = ELow (Wetting) High: ?A (?B ?AB) = EHigh (Dewetting) B ... – PowerPoint PPT presentation
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Title: The Physics of Spin Casting
1
The Physics of Spin Casting
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Youngs Formulae
FA FAB Fcos? 0
Youngs Constant
Fsin? N mg 0
3
Surface Tension
Surface Tension Force required to deform the
surface a unit or area. ?
?A (?Bcos? ?AB) 0
f
Low ?A gt (?B ?AB) ELow (Wetting)
-
High ?A lt (?B ?AB) EHigh (Dewetting)
A
A
B
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