CN105513955B - 一种半导体元件蚀刻液及其制备方法 - Google Patents
一种半导体元件蚀刻液及其制备方法 Download PDFInfo
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- CN105513955B CN105513955B CN201510876027.1A CN201510876027A CN105513955B CN 105513955 B CN105513955 B CN 105513955B CN 201510876027 A CN201510876027 A CN 201510876027A CN 105513955 B CN105513955 B CN 105513955B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
- H01L21/30608—Anisotropic liquid etching
Abstract
Description
发明例 | 侧蚀的指标(侧面蚀刻长度/金层厚度) | 蚀刻速度(µm/s) | 均匀性 |
实施例1 | 1.1 | 0.139 | 较好 |
实施例2 | 0.9 | 0.149 | 较好 |
实施例3 | 0.6 | 0.161 | 好 |
实施例4 | 0.8 | 0.153 | 较好 |
实施例5 | 1.1 | 0.148 | 较好 |
对比例1 | 7.2 | 0.138 | 一般 |
对比例2 | 2.5 | 0.129 | 差 |
Claims (2)
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CN201510876027.1A CN105513955B (zh) | 2015-12-03 | 2015-12-03 | 一种半导体元件蚀刻液及其制备方法 |
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CN201510876027.1A CN105513955B (zh) | 2015-12-03 | 2015-12-03 | 一种半导体元件蚀刻液及其制备方法 |
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CN105513955A CN105513955A (zh) | 2016-04-20 |
CN105513955B true CN105513955B (zh) | 2018-01-12 |
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Families Citing this family (1)
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CN115505389B (zh) * | 2022-08-22 | 2023-04-28 | 福建天甫电子材料有限公司 | 一种ito蚀刻液及其使用方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103710704A (zh) * | 2012-09-28 | 2014-04-09 | 关东化学株式会社 | 碘类蚀刻液及蚀刻方法 |
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JP4032916B2 (ja) * | 2001-11-28 | 2008-01-16 | 三菱化学株式会社 | エッチング液 |
JP4400281B2 (ja) * | 2004-03-29 | 2010-01-20 | 信越半導体株式会社 | シリコンウエーハの結晶欠陥評価方法 |
KR101243867B1 (ko) * | 2005-05-11 | 2013-03-20 | 야마사 쇼유 가부시키가이샤 | 폐서팩턴트 단백질의 안정화법 |
KR20140019174A (ko) * | 2012-08-06 | 2014-02-14 | 삼성전기주식회사 | 인쇄회로기판의 제조방법 |
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CN103710704A (zh) * | 2012-09-28 | 2014-04-09 | 关东化学株式会社 | 碘类蚀刻液及蚀刻方法 |
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Effective date of registration: 20190404 Address after: 221000 Shenchang, Gulou District, Xuzhou City, Jiangsu Province (A2 307, Huaihai Cultural and Technological Industrial Park) Patentee after: Shengfan Intellectual Property Co., Ltd. Address before: 215000 B228 3, 999 Pearl River Road, Wuzhong District, Suzhou, Jiangsu. Patentee before: SUZHOU XINDEJIE ELECTRONICS CO., LTD. |
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Effective date of registration: 20190710 Address after: 221600 South Ring Road (Fengpei Road) North of Peixian County, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Navigation Industry Co., Ltd. Address before: 221000 Shenchang, Gulou District, Xuzhou City, Jiangsu Province (A2 307, Huaihai Cultural and Technological Industrial Park) Patentee before: Shengfan Intellectual Property Co., Ltd. |