CN101717938B - 酸蚀刻硅片工艺 - Google Patents
酸蚀刻硅片工艺 Download PDFInfo
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- CN101717938B CN101717938B CN 200910228155 CN200910228155A CN101717938B CN 101717938 B CN101717938 B CN 101717938B CN 200910228155 CN200910228155 CN 200910228155 CN 200910228155 A CN200910228155 A CN 200910228155A CN 101717938 B CN101717938 B CN 101717938B
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- 239000002253 acid Substances 0.000 title claims abstract description 117
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 99
- 239000010703 silicon Substances 0.000 title claims abstract description 99
- 238000005530 etching Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000000203 mixture Substances 0.000 claims abstract description 39
- 238000012545 processing Methods 0.000 claims abstract description 38
- 238000007599 discharging Methods 0.000 claims abstract description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 claims description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000011259 mixed solution Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 238000001802 infusion Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 2
- 229960002050 hydrofluoric acid Drugs 0.000 claims 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001259 photo etching Methods 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 abstract 1
- 208000028659 discharge Diseases 0.000 description 22
- 238000012360 testing method Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 11
- 238000002156 mixing Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000003513 alkali Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
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Abstract
Description
直径(英寸) | 每筒腐蚀片数(片) | 双面去除量(μm) | 补入混合液(L) | 排出混合液(L) |
3 | 不多于50 | 30 | 1.5 | 1 |
4 | 不大于50 | 30 | 2 | 1.5 |
5 | 不多于50 | 30 | 3 | 2.5 |
6 | 不多于40 | 30 | 2.5 | 2 |
补液次数(次) | 3英寸(标片) | 4英寸(片) | 5英寸(片) | 6英寸(片) | 补/排混合液量(L) | 补HF量/L |
1 | 950±50 | 550±50 | 350±50 | 250±50 | 10 | 0 |
2 | 1900±50 | 1100±50 | 700±50 | 500±50 | 10 | 0 |
3 | 2750±50 | 1650±50 | 1050±50 | 750±50 | 20 | 0 |
4 | 3800±50 | 2200±50 | 1400±50 | 1000±50 | 20 | 3 |
5 | 4750±50 | 2750±50 | 1750±50 | 1250±50 | 30 | 0 |
6 | 5700±50 | 3300±50 | 2100±50 | 1500±50 | 35 | 3 |
7 | 6650±50 | 3850±50 | 2450±50 | 1750±50 | 40 | 0 |
8 | 7600±50 | 4400±50 | 2800±50 | 2000±50 | 45 | 3 |
9 | 8550±50 | 4950±50 | 3150±50 | 2250±50 | 50 | 0 |
10 | 9500±50 | 5500±50 | 3500±50 | 2500±50 | 80 | 0 |
11 | 10450±50 | 5550±50 | 3850±50 | 2750±50 | 30 | 3 |
12 | 11400±50 | 6600±50 | 4200±50 | 3000±50 | 35 | 0 |
13 | 12350±50 | 7150±50 | 4550±50 | 3250±50 | 40 | 3 |
14 | 13300±50 | 7700±50 | 4900±50 | 3500±50 | 45 | 0 |
15 | 14250±50 | 8250±50 | 5250±50 | 3750±50 | 50 | 3 |
16 | 15200±50 | 8800±50 | 5600±50 | 4000±50 | 80 | 0 |
17 | 16150±50 | 9350±50 | 5950±50 | 4250±50 | 50 | 3 |
18 | 17100±50 | 9900±50 | 6300±50 | 4500±50 | -- | -- |
全换酸 | 17100±50 | 9900±50 | 6300±50 | 4500±200 | 670 | 15 |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910228155 CN101717938B (zh) | 2009-11-10 | 2009-11-10 | 酸蚀刻硅片工艺 |
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CN 200910228155 CN101717938B (zh) | 2009-11-10 | 2009-11-10 | 酸蚀刻硅片工艺 |
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CN101717938A CN101717938A (zh) | 2010-06-02 |
CN101717938B true CN101717938B (zh) | 2011-04-20 |
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CN 200910228155 Active CN101717938B (zh) | 2009-11-10 | 2009-11-10 | 酸蚀刻硅片工艺 |
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Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101914770A (zh) * | 2010-08-10 | 2010-12-15 | 天津中环领先材料技术有限公司 | 高反射率酸腐片的腐蚀工艺 |
CN101914769A (zh) * | 2010-08-13 | 2010-12-15 | 无锡春辉科技有限公司 | 圆片的铝腐蚀方法 |
CN102517584A (zh) * | 2011-12-15 | 2012-06-27 | 天津中环领先材料技术有限公司 | 一种高反射率酸腐片的加工方法 |
CN102433563A (zh) * | 2011-12-16 | 2012-05-02 | 天津中环领先材料技术有限公司 | 一种igbt用8英寸单晶硅片的酸腐蚀工艺 |
CN102623560A (zh) * | 2012-03-28 | 2012-08-01 | 浙江晶科能源有限公司 | 一种实现太阳能电池湿法边缘绝缘的方法 |
CN103014877A (zh) * | 2012-12-03 | 2013-04-03 | 天津中环领先材料技术有限公司 | 一种两面光泽度不同的单晶硅晶圆腐蚀片的加工方法 |
CN103233228A (zh) * | 2013-05-15 | 2013-08-07 | 中锗科技有限公司 | 一种太阳能电池锗衬底片的腐蚀方法 |
CN105274620A (zh) * | 2015-10-28 | 2016-01-27 | 英利集团有限公司 | 湿法刻蚀用hf槽的排液系统 |
CN110931400A (zh) * | 2019-12-30 | 2020-03-27 | 麦斯克电子材料有限公司 | 一种硅片酸腐蚀系统及方法 |
CN110957247A (zh) * | 2019-12-30 | 2020-04-03 | 麦斯克电子材料有限公司 | 一种硅片腐蚀过程中化学液温度恒温控制系统及工艺 |
CN111659665B (zh) * | 2020-05-29 | 2022-02-01 | 徐州鑫晶半导体科技有限公司 | 硅片的清洗方法及硅片的清洗设备 |
CN114420554B (zh) * | 2021-12-31 | 2022-10-11 | 郑州合晶硅材料有限公司 | 一种控制硅晶圆片形貌的酸蚀刻方法 |
CN115579311B (zh) * | 2022-12-02 | 2023-05-02 | 湖北江城芯片中试服务有限公司 | 混酸激活状态的控制方法、装置、计算机设备及存储介质 |
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Effective date of registration: 20191225 Address after: 214200 Dongfen Avenue, Yixing Economic and Technological Development Zone, Wuxi City, Jiangsu Province Co-patentee after: TIANJIN ZHONGHUAN ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. Patentee after: Zhonghuan leading semiconductor materials Co.,Ltd. Address before: 300384 in Tianjin Binhai high tech Zone Huayuan Industrial Zone (outer ring) Haitai Road No. 12 Patentee before: TIANJIN ZHONGHUAN ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. |
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Address after: 214200 Dongjia Avenue, Yixing Economic and Technological Development Zone, Wuxi City, Jiangsu Province Patentee after: Zhonghuan Leading Semiconductor Technology Co.,Ltd. Country or region after: China Patentee after: TIANJIN ZHONGHUAN ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. Address before: 214200 Dongjia Avenue, Yixing Economic and Technological Development Zone, Wuxi City, Jiangsu Province Patentee before: Zhonghuan leading semiconductor materials Co.,Ltd. Country or region before: China Patentee before: TIANJIN ZHONGHUAN ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. |