CN102956444B - 高压器件的外延层制造方法 - Google Patents
高压器件的外延层制造方法 Download PDFInfo
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- CN102956444B CN102956444B CN201110235330.5A CN201110235330A CN102956444B CN 102956444 B CN102956444 B CN 102956444B CN 201110235330 A CN201110235330 A CN 201110235330A CN 102956444 B CN102956444 B CN 102956444B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 58
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 238000001039 wet etching Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000009847 ladle furnace Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 17
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000001259 photo etching Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 238000000407 epitaxy Methods 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000004943 liquid phase epitaxy Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910003902 SiCl 4 Inorganic materials 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000001534 heteroepitaxy Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
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CN201110235330.5A CN102956444B (zh) | 2011-08-16 | 2011-08-16 | 高压器件的外延层制造方法 |
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CN201110235330.5A CN102956444B (zh) | 2011-08-16 | 2011-08-16 | 高压器件的外延层制造方法 |
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CN102956444A CN102956444A (zh) | 2013-03-06 |
CN102956444B true CN102956444B (zh) | 2015-09-23 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103354242B (zh) * | 2013-06-17 | 2016-09-14 | 上海晶盟硅材料有限公司 | 高压功率器件用极厚外延片及其制造方法 |
CN108807278A (zh) * | 2018-06-11 | 2018-11-13 | 中国科学院微电子研究所 | 半导体器件与其制作方法 |
CN110852021B (zh) * | 2018-07-26 | 2024-02-06 | 上海新昇半导体科技有限公司 | 基于模拟方式获得外延平坦度的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1319252A (zh) * | 1998-09-25 | 2001-10-24 | 旭化成株式会社 | 半导体衬底及其制造方法、和使用它的半导体器件及其制造方法 |
CN101752225A (zh) * | 2008-12-04 | 2010-06-23 | 上海华虹Nec电子有限公司 | 超深沟槽的多级刻蚀与填充方法 |
CN102054665A (zh) * | 2009-11-04 | 2011-05-11 | 无锡华润上华半导体有限公司 | 外延基片处理方法 |
CN102315093A (zh) * | 2010-07-08 | 2012-01-11 | 上海华虹Nec电子有限公司 | 沟槽填充后平坦化的工艺方法 |
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2011
- 2011-08-16 CN CN201110235330.5A patent/CN102956444B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1319252A (zh) * | 1998-09-25 | 2001-10-24 | 旭化成株式会社 | 半导体衬底及其制造方法、和使用它的半导体器件及其制造方法 |
CN101752225A (zh) * | 2008-12-04 | 2010-06-23 | 上海华虹Nec电子有限公司 | 超深沟槽的多级刻蚀与填充方法 |
CN102054665A (zh) * | 2009-11-04 | 2011-05-11 | 无锡华润上华半导体有限公司 | 外延基片处理方法 |
CN102315093A (zh) * | 2010-07-08 | 2012-01-11 | 上海华虹Nec电子有限公司 | 沟槽填充后平坦化的工艺方法 |
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