Research Article

Modeling and Analysis of the Effect of Dip-Spin Coating Process Parameters on Coating Thickness Using Factorial Design Method

Figure 5

Optical micrographs of the cross-sectional area of the sample at different viscosities: (a) 900 mPa⋅s and (b) 1100 mPa⋅s (withdrawal rate of 20 mm/s, spin speed of 500 rpm, and immersion time of 10 s).
(a)
(b)