1 Chapter IV Semiconductor Fabrication 半導體製造
2 Semiconductor Fabrication Process 基本上, 整個完整的 IC 元件及電路是在矽晶 片上形成層數不等且材質厚度不同的薄膜 (Film), 經過多次使用光罩 (Mask) 與微影 (Lithogrophy), 蝕刻 (Etching) 及摻雜 (Doping) 等加工技術後所組合而成的. Film formation –Deposition –Growth Lithography –Photo-Lithography –E-beam Lithography Etching –Dry etching –Wet etching Impurity doping –Diffusion –Ion inplamtation Mask sets
3 Cross Section of MOSFET
4 Oxidation
5 Furnace and Boat
6 PVD_Evaporation
7 PVD_Sputtering
8 CVD_Chemical Vapor Deposition
9 Photo-lithograhy Process 1.Dehydration bake 2.Priming 3.Photoresist coating 4.Soft bake 5.Exposure 6.Post bake 7.Development 8.Hard bake (Etching or Doping) 9. Photoresist removal
10 Pattern Transfer
11 Mask
12 Step-and-Repeat
13 Pattern Transfer_1
14 Pattern Transfer_2
15 Doping_Diffusion
16 Doping_Ion Implantation
17 Process Integration