Diffusion is a part of semiconductor manufacturing, which is a part of silicon wafer processing. Diffusion is the flow or movement of a chemical variety from an area of high concentration to an area of lower concentration. Controlled diffusion of dopants into silicon is … See more

There are two main methods to deposit impurities or contaminants into a substance by thermal diffusion. The first method is called as predeposition. Predeposition is the … See more

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The arithmetic behind diffusion is based on Fick’s law. Fick’s first law is an equation expressing the movement of an impurity in a substance, exhibiting that the flow of materials across a given level is equivalent to the concentration gradient across the plane. But … See more