CN103021842B - 一种在单晶硅晶圆上实现高速率沉积SiO2薄膜的背封工艺 - Google Patents
一种在单晶硅晶圆上实现高速率沉积SiO2薄膜的背封工艺 Download PDFInfo
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- CN103021842B CN103021842B CN201210508385.3A CN201210508385A CN103021842B CN 103021842 B CN103021842 B CN 103021842B CN 201210508385 A CN201210508385 A CN 201210508385A CN 103021842 B CN103021842 B CN 103021842B
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- monocrystalline silicon
- silicon wafer
- wafer crystal
- sedimentation
- back seal
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- 229910021421 monocrystalline silicon Inorganic materials 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title abstract description 20
- 239000000377 silicon dioxide Substances 0.000 title abstract description 10
- 238000004062 sedimentation Methods 0.000 title abstract description 9
- 235000012239 silicon dioxide Nutrition 0.000 title abstract description 9
- 229910052681 coesite Inorganic materials 0.000 title abstract 5
- 229910052906 cristobalite Inorganic materials 0.000 title abstract 5
- 229910052682 stishovite Inorganic materials 0.000 title abstract 5
- 229910052905 tridymite Inorganic materials 0.000 title abstract 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 13
- 239000013078 crystal Substances 0.000 claims description 48
- 239000010408 film Substances 0.000 claims description 23
- 238000000151 deposition Methods 0.000 claims description 15
- 230000008021 deposition Effects 0.000 claims description 15
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 229910000077 silane Inorganic materials 0.000 claims description 11
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 4
- 230000003190 augmentative effect Effects 0.000 claims description 3
- 238000000427 thin-film deposition Methods 0.000 claims description 3
- 238000005137 deposition process Methods 0.000 claims description 2
- 230000009347 mechanical transmission Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000010926 purge Methods 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 239000000376 reactant Substances 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 2
- 235000012431 wafers Nutrition 0.000 abstract 5
- 238000007664 blowing Methods 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Abstract
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CN201210508385.3A CN103021842B (zh) | 2012-12-03 | 2012-12-03 | 一种在单晶硅晶圆上实现高速率沉积SiO2薄膜的背封工艺 |
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CN201210508385.3A CN103021842B (zh) | 2012-12-03 | 2012-12-03 | 一种在单晶硅晶圆上实现高速率沉积SiO2薄膜的背封工艺 |
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CN103021842A CN103021842A (zh) | 2013-04-03 |
CN103021842B true CN103021842B (zh) | 2014-12-31 |
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CN201210508385.3A Active CN103021842B (zh) | 2012-12-03 | 2012-12-03 | 一种在单晶硅晶圆上实现高速率沉积SiO2薄膜的背封工艺 |
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Families Citing this family (2)
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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 |
CN113707536A (zh) * | 2021-08-27 | 2021-11-26 | 上海鼎泰匠芯科技有限公司 | 一种晶圆的背封工艺 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102024877A (zh) * | 2010-10-15 | 2011-04-20 | 苏州阿特斯阳光电力科技有限公司 | 一种晶体硅太阳能电池的氧化处理工艺 |
CN102522334A (zh) * | 2011-12-15 | 2012-06-27 | 天津中环领先材料技术有限公司 | 采用高温氧化制程制备igbt用单晶硅晶圆背封材料的工艺 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4687682A (en) * | 1986-05-02 | 1987-08-18 | American Telephone And Telegraph Company, At&T Technologies, Inc. | Back sealing of silicon wafers |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102024877A (zh) * | 2010-10-15 | 2011-04-20 | 苏州阿特斯阳光电力科技有限公司 | 一种晶体硅太阳能电池的氧化处理工艺 |
CN102522334A (zh) * | 2011-12-15 | 2012-06-27 | 天津中环领先材料技术有限公司 | 采用高温氧化制程制备igbt用单晶硅晶圆背封材料的工艺 |
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Effective date of registration: 20191219 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 Tianjin Huayuan Technology Industry Park Xiqing District Tai Road No. 12 ring off 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. |
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