CN102496568B - 沟槽功率器件结构的制造方法 - Google Patents
沟槽功率器件结构的制造方法 Download PDFInfo
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- CN102496568B CN102496568B CN201110446220.3A CN201110446220A CN102496568B CN 102496568 B CN102496568 B CN 102496568B CN 201110446220 A CN201110446220 A CN 201110446220A CN 102496568 B CN102496568 B CN 102496568B
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000004065 semiconductor Substances 0.000 claims abstract description 48
- 239000000758 substrate Substances 0.000 claims abstract description 46
- 238000005530 etching Methods 0.000 claims abstract description 17
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 16
- 238000009792 diffusion process Methods 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 210000003323 beak Anatomy 0.000 claims abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 25
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 7
- 229920005591 polysilicon Polymers 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000002513 implantation Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000001259 photo etching Methods 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 238000001039 wet etching Methods 0.000 claims description 3
- 238000004528 spin coating Methods 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 abstract description 8
- 238000007254 oxidation reaction Methods 0.000 abstract description 8
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000000206 photolithography Methods 0.000 description 10
- 241000293849 Cordylanthus Species 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 238000005468 ion implantation Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110446220.3A CN102496568B (zh) | 2011-12-27 | 2011-12-27 | 沟槽功率器件结构的制造方法 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110446220.3A CN102496568B (zh) | 2011-12-27 | 2011-12-27 | 沟槽功率器件结构的制造方法 |
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| Publication Number | Publication Date |
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| CN102496568A CN102496568A (zh) | 2012-06-13 |
| CN102496568B true CN102496568B (zh) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110446220.3A Active CN102496568B (zh) | 2011-12-27 | 2011-12-27 | 沟槽功率器件结构的制造方法 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738061B (zh) * | 2012-07-04 | 2016-12-21 | 上海华虹宏力半导体制造有限公司 | 沟槽形成方法以及半导体器件制造方法 |
| CN103715232B (zh) * | 2012-09-28 | 2017-10-10 | 中国科学院微电子研究所 | 用于半导体功率器件的沟槽式终端及其制备方法 |
| CN103839802B (zh) * | 2012-11-23 | 2018-09-11 | 中国科学院微电子研究所 | 一种沟槽型igbt结构的制作方法 |
| CN104810284A (zh) * | 2014-01-23 | 2015-07-29 | 北大方正集团有限公司 | 场效应管的制造方法 |
| CN105185698A (zh) * | 2015-08-11 | 2015-12-23 | 上海华虹宏力半导体制造有限公司 | 减少沟道功率器件的源漏击穿电压蠕变的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10234735A1 (de) * | 2002-07-30 | 2004-02-12 | Infineon Technologies Ag | Verfahren zum vertikalen Strukturieren von Substraten in der Halbleiterprozesstechnik mittels inkonformer Abscheidung |
| KR100953333B1 (ko) * | 2007-11-05 | 2010-04-20 | 주식회사 동부하이텍 | 수직형과 수평형 게이트를 갖는 반도체 소자 및 제조 방법 |
| JP2010141028A (ja) * | 2008-12-10 | 2010-06-24 | Renesas Technology Corp | 半導体装置の製造方法 |
| CN101752423B (zh) * | 2010-01-08 | 2011-05-11 | 无锡新洁能功率半导体有限公司 | 沟槽型大功率mos器件及其制造方法 |
| CN101777556B (zh) * | 2010-01-15 | 2011-07-20 | 无锡新洁能功率半导体有限公司 | 一种沟槽型大功率mos器件及其制造方法 |
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| CN102496568A (zh) | 2012-06-13 |
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Address after: No.385, Hongcao Road, Xuhui District, Shanghai 200233 Patentee after: SHANGHAI ADVANCED SEMICONDUCTO Country or region after: China Address before: No.385, Hongcao Road, Xuhui District, Shanghai 200233 Patentee before: ADVANCED SEMICONDUCTOR MANUFACTURING Co.,Ltd. Country or region before: China |
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Effective date of registration: 20250310 Address after: 201306 No. 600, Yunshui Road, Lingang xinpian District, pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: GTA Semiconductor Co.,Ltd. Country or region after: China Address before: No.385, Hongcao Road, Xuhui District, Shanghai 200233 Patentee before: SHANGHAI ADVANCED SEMICONDUCTO Country or region before: China |
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