Spin coating
Spin coating is a way to spread a thin layer of liquid onto a flat surface. You know how when you spin around really fast, your arms stick out? It's like that, but instead of you spinning, a machine called a spin coater spins really fast!
First, a small amount of liquid is added to the center of a flat surface, like a plate. Then the plate is placed onto the machine, which spins it at a super-fast speed. As the machine spins, the liquid spreads out across the plate, making a really thin and even layer.
The speed of the machine and how long it spins controls how thick or thin the layer becomes. Once the spinning is done, the liquid is left to dry or evaporate, leaving behind a solid layer that is very smooth and uniform.
Spin coating is often used in making electronic devices like computer chips, where very precise and even layers of material are needed.
First, a small amount of liquid is added to the center of a flat surface, like a plate. Then the plate is placed onto the machine, which spins it at a super-fast speed. As the machine spins, the liquid spreads out across the plate, making a really thin and even layer.
The speed of the machine and how long it spins controls how thick or thin the layer becomes. Once the spinning is done, the liquid is left to dry or evaporate, leaving behind a solid layer that is very smooth and uniform.
Spin coating is often used in making electronic devices like computer chips, where very precise and even layers of material are needed.