Invention Grant
- Patent Title: Conformal etch material and process
- Patent Title (中): 保形蚀刻材料和工艺
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Application No.: US12546812Application Date: 2009-08-25
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Publication No.: US08349739B2Publication Date: 2013-01-08
- Inventor: Ching-Yu Chang
- Applicant: Ching-Yu Chang
- Applicant Address: TW Hsin-Chu
- Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
- Current Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
- Current Assignee Address: TW Hsin-Chu
- Agency: Haynes and Boone, LLP
- Main IPC: H01L21/302
- IPC: H01L21/302

Abstract:
The present disclosure provides a method for etching a substrate. The method includes forming a resist pattern on the substrate; applying an etching chemical fluid to the substrate, wherein the etching chemical fluid includes a diffusion control material; removing the etching chemical fluid; and removing the resist pattern.
Public/Granted literature
- US20100055923A1 Conformal Etch Material and Process Public/Granted day:2010-03-04
Information query
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