Good afternoon .We're the 7th team. Our topic is microfabrication process.my name is 邱致強I am the first person to present.I’ve divided my presention into two parts.First:Photolithography, what does that mean? The basic meaning of photolithography means printing by light.It requires a photosensitive material, or photoresist, PRSecond:use the spin-coater andwafer aligner and exposure.Align the position of the mask and silicon wafer,After alignment, the exposure machine passes through the mask to properly expose the light on the photoresist.