Design and construction of a spin-coater
Abstract
A spin-coater for use in the fabrication of PPV thin films via spin-coating deposition is designed and constructed. The spin-coater is characterized, both without and with load, using a stroboscope to measure rotation speed and MS Excel to plot and analyse the data. Rotation speed is shown to vary linearly with respect to the input voltage. Rotation speed is determined for different input voltage of the motor since film thickness is related to rotation speed. The ideal rotation speed will then be in terms of the desired film thickness.
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