Low cost spin coatingsystem for thin filmdeposition with IoT

Razak, Fakhrur Razi (2020) Low cost spin coatingsystem for thin filmdeposition with IoT. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Spin coating is a widely used coating method for the preparation of uniform thin films in many industries as well as advanced materials functions such as sensors, solar cells and filters. Spin coating mechanism is called spin coater that create thin films with the right product speed and density. This project is about the construction of low cost spin coating machine incorporating inexpensive electronic components and open source technology. Most conventional spin coaters have high cost to purchase and it does not have a database system to store data for future reference. The system was designed and produced using a microcontroller as the main system and brush motor to spin the substrate. The spin coater is capable to spin around 200 to 6000 rpm that can be controlled manually and automatically. The system is built with the Internet of Thing (IoT) platform that can be connected to Wi-Fi. From this IoT platform, the system can store data for substrates by uploading it to the open source cloud for future reference. In addition, the system will use an LCD screen to display the job settings during operation. As a result, by comparing with standard commercial spin coaters, the performance of low cost spin coaters is similar to that of commercial and most importantly this spin coater is low cost and has IoT elements.

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