Invention Grant
US07795151B2 Methods of forming a trench having side surfaces including a uniform slope
有权
形成具有包括均匀斜率的侧表面的沟槽的方法
- Patent Title: Methods of forming a trench having side surfaces including a uniform slope
- Patent Title (中): 形成具有包括均匀斜率的侧表面的沟槽的方法
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Application No.: US11624410Application Date: 2007-01-18
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Publication No.: US07795151B2Publication Date: 2010-09-14
- Inventor: Ki-Chul Kim
- Applicant: Ki-Chul Kim
- Applicant Address: KR
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR
- Agency: Myers Bigel Sibley & Sajovec, PA
- Priority: KR10-2006-0009369 20060131
- Main IPC: H01L21/311
- IPC: H01L21/311

Abstract:
Provided herein are methods of forming a trench including forming a mask layer on a substrate, forming a mask pattern to expose the substrate, using plasma to at least partially remove by-products produced during formation of the mask pattern; and etching the exposed substrate to form a trench having side surfaces including a uniform slope.
Public/Granted literature
- US20070178663A1 METHODS OF FORMING A TRENCH HAVING SIDE SURFACES INCLUDING A UNIFORM SLOPE Public/Granted day:2007-08-02
Information query
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