CN105070748A - 一种igbt栅极的制作方法 - Google Patents
一种igbt栅极的制作方法 Download PDFInfo
- Publication number
- CN105070748A CN105070748A CN201510546385.6A CN201510546385A CN105070748A CN 105070748 A CN105070748 A CN 105070748A CN 201510546385 A CN201510546385 A CN 201510546385A CN 105070748 A CN105070748 A CN 105070748A
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- silicon dioxide
- dioxide layer
- peripheral part
- manufacture method
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 102
- 239000010410 layer Substances 0.000 claims abstract description 63
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 51
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 49
- 239000011241 protective layer Substances 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 230000002093 peripheral effect Effects 0.000 claims description 31
- 229920002120 photoresistant polymer Polymers 0.000 claims description 16
- 238000005530 etching Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 7
- 229920005591 polysilicon Polymers 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 14
- 230000001681 protective effect Effects 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H01L29/423—
-
- H01L29/66325—
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
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CN201510546385.6A CN105070748B (zh) | 2015-08-31 | 2015-08-31 | 一种igbt栅极的制作方法 |
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CN201510546385.6A CN105070748B (zh) | 2015-08-31 | 2015-08-31 | 一种igbt栅极的制作方法 |
Publications (2)
Publication Number | Publication Date |
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CN105070748A true CN105070748A (zh) | 2015-11-18 |
CN105070748B CN105070748B (zh) | 2019-01-29 |
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CN201510546385.6A Active CN105070748B (zh) | 2015-08-31 | 2015-08-31 | 一种igbt栅极的制作方法 |
Country Status (1)
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CN (1) | CN105070748B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106783568A (zh) * | 2016-12-27 | 2017-05-31 | 株洲中车时代电气股份有限公司 | 一种功率器件栅极侧墙制备方法 |
CN108269739A (zh) * | 2016-12-30 | 2018-07-10 | 无锡华润上华科技有限公司 | 多晶硅栅极的形成方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5118638A (en) * | 1988-03-18 | 1992-06-02 | Fuji Electric Co., Ltd. | Method for manufacturing MOS type semiconductor devices |
JP2000174269A (ja) * | 1998-12-04 | 2000-06-23 | Toshiba Corp | 半導体装置及びその製造方法 |
JP2000223690A (ja) * | 1999-01-28 | 2000-08-11 | Sharp Corp | 量子細線の製造方法および半導体素子 |
CN1538508A (zh) * | 2003-04-15 | 2004-10-20 | 财团法人工业技术研究院 | 碳化硅沟槽式金氧半电晶体 |
CN101740362A (zh) * | 2008-11-18 | 2010-06-16 | 上海华虹Nec电子有限公司 | 栅极形成方法 |
CN102842502A (zh) * | 2011-06-22 | 2012-12-26 | 中国科学院微电子研究所 | 绝缘栅双极晶体管及其制作方法 |
-
2015
- 2015-08-31 CN CN201510546385.6A patent/CN105070748B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5118638A (en) * | 1988-03-18 | 1992-06-02 | Fuji Electric Co., Ltd. | Method for manufacturing MOS type semiconductor devices |
JP2000174269A (ja) * | 1998-12-04 | 2000-06-23 | Toshiba Corp | 半導体装置及びその製造方法 |
JP2000223690A (ja) * | 1999-01-28 | 2000-08-11 | Sharp Corp | 量子細線の製造方法および半導体素子 |
CN1538508A (zh) * | 2003-04-15 | 2004-10-20 | 财团法人工业技术研究院 | 碳化硅沟槽式金氧半电晶体 |
CN101740362A (zh) * | 2008-11-18 | 2010-06-16 | 上海华虹Nec电子有限公司 | 栅极形成方法 |
CN102842502A (zh) * | 2011-06-22 | 2012-12-26 | 中国科学院微电子研究所 | 绝缘栅双极晶体管及其制作方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106783568A (zh) * | 2016-12-27 | 2017-05-31 | 株洲中车时代电气股份有限公司 | 一种功率器件栅极侧墙制备方法 |
CN108269739A (zh) * | 2016-12-30 | 2018-07-10 | 无锡华润上华科技有限公司 | 多晶硅栅极的形成方法 |
Also Published As
Publication number | Publication date |
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CN105070748B (zh) | 2019-01-29 |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CSR TIMES ELECTRIC Co.,Ltd. |
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Effective date of registration: 20201010 Address after: 412001 Room 309, floor 3, semiconductor third line office building, Tianxin hi tech park, Shifeng District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou CRRC times Semiconductor Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. |