CN110718457B - 一种降低区熔poly背封单抛片边缘晶孔的加工工艺 - Google Patents
一种降低区熔poly背封单抛片边缘晶孔的加工工艺 Download PDFInfo
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- CN110718457B CN110718457B CN201910917213.3A CN201910917213A CN110718457B CN 110718457 B CN110718457 B CN 110718457B CN 201910917213 A CN201910917213 A CN 201910917213A CN 110718457 B CN110718457 B CN 110718457B
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- 239000013078 crystal Substances 0.000 title claims abstract description 48
- 238000004857 zone melting Methods 0.000 title claims abstract description 22
- 238000003754 machining Methods 0.000 title claims description 9
- 238000004140 cleaning Methods 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000005498 polishing Methods 0.000 claims abstract description 16
- 238000005516 engineering process Methods 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims abstract description 8
- 238000005260 corrosion Methods 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 36
- 230000008569 process Effects 0.000 claims description 32
- 239000003814 drug Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 17
- 229910052710 silicon Inorganic materials 0.000 claims description 17
- 239000010703 silicon Substances 0.000 claims description 17
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910001868 water Inorganic materials 0.000 claims description 8
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims 2
- 238000012797 qualification Methods 0.000 abstract description 3
- 235000012431 wafers Nutrition 0.000 description 52
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 7
- 239000010453 quartz Substances 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
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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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
-
- 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
- H01L21/02041—Cleaning
- H01L21/02082—Cleaning product to be cleaned
-
- 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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table 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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
序号 | 加工工艺 | 加工设备 | 工艺参数 |
1 | 腐蚀片 | / | / |
2 | POLY背封 | LPCVD立式炉 | 见3.2.1 |
3 | 减薄 | 减薄机及清洗机 | 见3.2.2及3.2.3 |
4 | 抛光 | 抛光机及清洗机 | 见3.2.4及3.2.5 |
thickness | feed Rate | C.T RPM | |
Air Cut | 15μm | — | — |
original | — | — | — |
P1 Cut | — | 0.3μm/s | 185rpm |
P2 Cut | — | 0.3μm/s | 185rpm |
P3 Cut | — | 0.3μm/s | 185rpm |
P4 Cut | — | 0.3μm/s | 185rpm |
P5 Cut | — | 0.3μm/s | 185rpm |
Spark out1 | 10rev | — | 185rpm |
Escape out1 | 2.0μm | 0.10μm/s | 185rpm |
Spark out2 | 0 | — | 185rpm |
Escape out2 | 0 | 0.10μm/s | 185rpm |
序号 | 清洗顺序 | 药液配比 | 温度 | 清洗时间 |
1 | HF溶液浸泡 | HF:DIW=1:8 | / | 600sec |
2 | SC2 | HCl:H<sub>2</sub>O<sub>2</sub>:DIW=1:1:10 | / | 300sec |
3 | Rinse | DIW | / | 300sec |
4 | SC1-1 | NH<sub>4</sub>·H<sub>2</sub>O:H<sub>2</sub>O<sub>2</sub>:DIW=1:1:12 | 75±5℃ | 300sec |
5 | Rinse | DIW | / | 300sec |
6 | SC1-2 | NH<sub>4</sub>·H<sub>2</sub>O:H<sub>2</sub>O<sub>2</sub>:DIW=1:1:12 | 75±5℃ | 300sec |
7 | QDR | DIW | / | 300sec |
8 | Final Rinse | DIW | / | 300sec |
Claims (7)
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CN201910917213.3A CN110718457B (zh) | 2019-09-26 | 2019-09-26 | 一种降低区熔poly背封单抛片边缘晶孔的加工工艺 |
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CN201910917213.3A CN110718457B (zh) | 2019-09-26 | 2019-09-26 | 一种降低区熔poly背封单抛片边缘晶孔的加工工艺 |
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CN110718457A CN110718457A (zh) | 2020-01-21 |
CN110718457B true CN110718457B (zh) | 2022-07-08 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113496869A (zh) * | 2020-04-03 | 2021-10-12 | 重庆超硅半导体有限公司 | 一种外延基底用硅晶片之背面膜层及制造方法 |
CN112002630A (zh) * | 2020-05-11 | 2020-11-27 | 中环领先半导体材料有限公司 | 一种减薄改善大直径半导体硅片表面平整度的工艺 |
CN111681944A (zh) * | 2020-05-11 | 2020-09-18 | 中环领先半导体材料有限公司 | 一种清洗200mm半导体硅片的清洗工艺 |
CN113140446A (zh) * | 2021-04-02 | 2021-07-20 | 杭州中欣晶圆半导体股份有限公司 | 改善lto背封硅片凹坑缺陷的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102496564A (zh) * | 2011-12-22 | 2012-06-13 | 浙江金瑞泓科技股份有限公司 | 提高二氧化硅背封抛光硅单晶片异丙醇干燥成品率的方法 |
US20120225529A1 (en) * | 2008-08-25 | 2012-09-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Sealing structure for high-k metal gate and method of making |
CN106653570A (zh) * | 2016-12-21 | 2017-05-10 | 南京国盛电子有限公司 | 一种重掺衬底反型高阻ic外延片的制备方法 |
CN108172499A (zh) * | 2017-12-11 | 2018-06-15 | 上海申和热磁电子有限公司 | 一种超级背封品再腐蚀的工艺方法 |
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CN103594356B (zh) * | 2013-08-30 | 2017-10-17 | 国家电网公司 | 一种场终止型igbt器件的制造方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120225529A1 (en) * | 2008-08-25 | 2012-09-06 | Taiwan Semiconductor Manufacturing Company, Ltd. | Sealing structure for high-k metal gate and method of making |
CN102496564A (zh) * | 2011-12-22 | 2012-06-13 | 浙江金瑞泓科技股份有限公司 | 提高二氧化硅背封抛光硅单晶片异丙醇干燥成品率的方法 |
CN106653570A (zh) * | 2016-12-21 | 2017-05-10 | 南京国盛电子有限公司 | 一种重掺衬底反型高阻ic外延片的制备方法 |
CN108172499A (zh) * | 2017-12-11 | 2018-06-15 | 上海申和热磁电子有限公司 | 一种超级背封品再腐蚀的工艺方法 |
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Effective date of registration: 20240126 Address after: 300384 Tianjin Binhai New Area high tech Zone Huayuan Industrial Area (outside the ring) Hai Tai Road 12 inside. Patentee after: TIANJIN ZHONGHUAN ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. Country or region after: China Patentee after: Zhonghuan Leading Semiconductor Technology Co.,Ltd. Address before: 300384 Tianjin Binhai New Area high tech Zone Huayuan Industrial Area (outside the ring) Hai Tai Road 12 inside. Patentee before: TIANJIN ZHONGHUAN ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. Country or region before: China |
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