Invention Application
- Patent Title: CHEMICAL MECHANICAL POLISHING PROCESS
- Patent Title (中): 化学机械抛光工艺
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Application No.: US13085502Application Date: 2011-04-13
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Publication No.: US20120264302A1Publication Date: 2012-10-18
- Inventor: Chun-Wei Hsu , Teng-Chun Tsai , Chia-Lin Hsu , Po-Cheng Huang , Chia-Hsi Chen , Yen-Ming Chen , Chih-Hsun Lin
- Applicant: Chun-Wei Hsu , Teng-Chun Tsai , Chia-Lin Hsu , Po-Cheng Huang , Chia-Hsi Chen , Yen-Ming Chen , Chih-Hsun Lin
- Main IPC: H01L21/306
- IPC: H01L21/306

Abstract:
A chemical mechanical polishing (CMP) process includes steps of providing a substrate, performing a first polishing step to the substrate with an acidic slurry, and performing a second polishing step to the substrate with a basic slurry after the first polishing step.
Information query
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