1.selection of substrate
2.oxidation
3.application of photoresist
4.masking of photoresist(photolithography process)
5.exposed to uv light (uncovered photoresist is softened)
6.remove mask and softened photoresist using solvent
7.remove ธาตุ using hydrofluoric acid
8.remove remaining photoresist
9.application of thin oxide and polysilicon
10.pattering and etching of polysilicon and oxide layer
11.ion implantation
12.application of insulated dioxide layer
13.patterning of insulated dioxide layer
14.metalization