소개글
Semiconductor Process에 대한 자료입니다.
목차
1. Wafer cleaning & Oxidation
2. Photolithography
3. Etching
4. Metal deposition
5. Silicidation
6. QnA
본문내용
Lithography
Si Wafer coated with PR
Spin coating
PR is coated evenly by turning round rapidly.
Exposure
Align the Mask exactly and emit UV.(fixed 10sec)
Observation
See the completed sample through SEM
Development
∙ Dip the sample in the alkaline solution.
→(process parameter : 10sec 60sec 180sec)
∙ Due to differences in solubility of the exposed portion to be dissolved only.
∙ The process making patterning.