CN103137710B - 一种具有多种绝缘层隔离的沟槽肖特基半导体装置及其制备方法 - Google Patents
一种具有多种绝缘层隔离的沟槽肖特基半导体装置及其制备方法 Download PDFInfo
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- CN103137710B CN103137710B CN201110376201.8A CN201110376201A CN103137710B CN 103137710 B CN103137710 B CN 103137710B CN 201110376201 A CN201110376201 A CN 201110376201A CN 103137710 B CN103137710 B CN 103137710B
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 71
- 239000012212 insulator Substances 0.000 title claims abstract description 17
- 238000000926 separation method Methods 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000001459 lithography Methods 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 230000003628 erosive effect Effects 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 11
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 239000003989 dielectric material Substances 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000001465 metallisation Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000001312 dry etching Methods 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract 1
- 230000005684 electric field Effects 0.000 abstract 1
- 239000002210 silicon-based material Substances 0.000 description 16
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 125000004437 phosphorous atom Chemical group 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
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CN201110376201.8A CN103137710B (zh) | 2011-11-21 | 2011-11-21 | 一种具有多种绝缘层隔离的沟槽肖特基半导体装置及其制备方法 |
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CN201110376201.8A CN103137710B (zh) | 2011-11-21 | 2011-11-21 | 一种具有多种绝缘层隔离的沟槽肖特基半导体装置及其制备方法 |
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CN103137710A CN103137710A (zh) | 2013-06-05 |
CN103137710B true CN103137710B (zh) | 2016-08-03 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103474347B (zh) * | 2013-08-28 | 2016-07-13 | 中航(重庆)微电子有限公司 | 一种双栅沟槽型肖特基器件结构及制造方法 |
CN107293601B (zh) * | 2016-04-12 | 2021-10-22 | 朱江 | 一种肖特基半导体装置及其制备方法 |
JP6845397B2 (ja) * | 2016-04-28 | 2021-03-17 | 株式会社タムラ製作所 | トレンチmos型ショットキーダイオード |
CN108063166A (zh) * | 2016-11-09 | 2018-05-22 | 朱江 | 一种沟槽结构肖特基半导体装置及其制备方法 |
CN108074986A (zh) * | 2016-11-13 | 2018-05-25 | 朱江 | 一种电荷补偿肖特基半导体装置 |
CN109599443A (zh) * | 2017-09-30 | 2019-04-09 | 华润微电子(重庆)有限公司 | 一种肖特基器件的制备方法及结构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6590240B1 (en) * | 1999-07-28 | 2003-07-08 | Stmicroelectronics S.A. | Method of manufacturing unipolar components |
CN101114670A (zh) * | 2006-07-28 | 2008-01-30 | 松下电器产业株式会社 | 肖特基势垒半导体器件 |
CN101803032A (zh) * | 2007-09-21 | 2010-08-11 | 罗伯特·博世有限公司 | 半导体装置及其制造方法 |
Family Cites Families (1)
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JP4768259B2 (ja) * | 2004-12-21 | 2011-09-07 | 株式会社東芝 | 電力用半導体装置 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6590240B1 (en) * | 1999-07-28 | 2003-07-08 | Stmicroelectronics S.A. | Method of manufacturing unipolar components |
CN101114670A (zh) * | 2006-07-28 | 2008-01-30 | 松下电器产业株式会社 | 肖特基势垒半导体器件 |
CN101803032A (zh) * | 2007-09-21 | 2010-08-11 | 罗伯特·博世有限公司 | 半导体装置及其制造方法 |
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