JP2023502812A - 半導体スーパージャンクションデバイスの製造方法 - Google Patents
半導体スーパージャンクションデバイスの製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 27
- 238000005530 etching Methods 0.000 claims description 26
- 210000000746 body region Anatomy 0.000 claims description 10
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- 230000008569 process Effects 0.000 description 13
- 238000000206 photolithography Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001459 lithography Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
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Abstract
Description
n型基板上に第1絶縁層を形成し、前記第1絶縁層をエッチングして開口を形成することと、
前記開口内に絶縁側壁を形成することと、
前記第1絶縁層と、前記絶縁側壁とをマスクとして前記n型基板をエッチングし、前記n型基板内に、第1溝を形成することと、
前記第1溝内にp型ピラーを形成し、前記p型ピラーと前記n型基板とは、pn接合構造を形成することと、
前記p型ピラーの表面に第2絶縁層を形成することと、
前記絶縁側壁をエッチング除去し、前記第1絶縁層と、前記第2絶縁層とをマスクとして前記n型基板をエッチングし、前記n型基板内に第2溝を形成することと、
を含む、半導体スーパージャンクションデバイスの製造方法を提供する。
前記第1絶縁層と、前記第2絶縁層とをエッチング除去し、前記第2溝内に、ゲート誘電体層と、ゲートとを形成し、前記ゲートは、前記ゲート誘電体層によって前記p型ピラーと分離されることと、
前記n型基板内に前記p型ボディ領域を形成することと、
前記p型ボディ領域内にn型ソース領域を形成することと、を更に含む。
の製造プロセスにおける主要構造の断面構造模式図である。
エッチングし、n型基板内に第2溝を形成し、第2溝内にゲート誘電体層とゲートとを形成する。これにより、本願の半導体スーパージャンクションデバイスの製造方法では、ゲートとp型ピラーとを形成するのに1回のフォトリソグラフィプロセスしか必要なく、半導体スーパージャンクションデバイスの製造コストを大幅に低下させ、半導体スーパージャンクションデバイスの製造リスクを低下させることができる。
Claims (8)
- n型基板上に第1絶縁層を形成し、前記第1絶縁層をエッチングして開口を形成することと、
前記開口内に絶縁側壁を形成することと、
前記第1絶縁層と、前記絶縁側壁とをマスクとして前記n型基板をエッチングし、前記n型基板内に第1溝を形成することと、
前記第1溝内にp型ピラーを形成し、前記p型ピラーと前記n型基板とは、pn接合構造を形成することと、
前記p型ピラーの表面に第2絶縁層を形成することと、
前記絶縁側壁をエッチング除去し、前記第1絶縁層と、前記第2絶縁層とをマスクとして前記n型基板をエッチングし、前記n型基板内に第2溝を形成することと、
を含む、半導体スーパージャンクションデバイスの製造方法。 - 前記第1絶縁層と、前記第2絶縁層とをエッチング除去してから、前記第2溝内に、ゲート誘電体層と、ゲートとを形成し、前記ゲートは、前記ゲート誘電体層によって前記p型ピラーと分離されることと、
前記n型基板内に前記p型ボディ領域を形成することと、
前記p型ボディ領域内にn型ソース領域を形成することと、
を更に含む、請求項1に記載の半導体スーパージャンクションデバイスの製造方法。 - 前記第2溝内に、ゲート誘電体層と、前記ゲート誘電体層によって前記p型ピラーと分離されるゲートとを形成してから、前記第1絶縁層と、前記第2絶縁層とをエッチング除去することと、
前記n型基板内に、p型ボディ領域を形成することと、
前記p型ボディ領域内に、n型ソース領域を形成することと、
を更に含む、請求項1に記載の半導体スーパージャンクションデバイスの製造方法。 - 前記第1絶縁層は、酸化シリコン層を含む、請求項1に記載の半導体スーパージャンクションデバイスの製造方法。
- 前記第2絶縁層は、酸化シリコン層である、請求項1に記載の半導体スーパージャンクションデバイスの製造方法。
- 前記絶縁側壁は、窒化シリコン層である、請求項1に記載の半導体スーパージャンクションデバイスの製造方法。
- 前記第2溝をエッチングで形成する時、異方性エッチングと等方性エッチングとを結合するエッチング方法を採用する、請求項1に記載の半導体スーパージャンクションデバイスの製造方法。
- 前記第2溝の深度は、前記第1溝の深度より小さい、請求項1に記載の半導体スーパージャンクションデバイスの製造方法。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015151185A1 (ja) * | 2014-03-31 | 2015-10-08 | 新電元工業株式会社 | 半導体装置 |
CN108767000A (zh) * | 2018-08-16 | 2018-11-06 | 无锡新洁能股份有限公司 | 一种绝缘栅双极型半导体器件及其制造方法 |
JP2019517738A (ja) * | 2016-12-28 | 2019-06-24 | スー ジョウ オリエンタル セミコンダクター カンパニー リミテッドSu Zhou Oriental Semiconductor Co., Ltd. | スーパージャンクション構造のパワートランジスタ及びその製造方法 |
JP2019169543A (ja) * | 2018-03-22 | 2019-10-03 | 株式会社東芝 | 半導体装置 |
WO2020084736A1 (ja) * | 2018-10-25 | 2020-04-30 | 三菱電機株式会社 | 半導体装置、電力変換装置及び半導体装置の製造方法 |
US20200235230A1 (en) * | 2019-01-22 | 2020-07-23 | Shanghai Huahong Grace Semiconductor Manufacturing Corporation | Super-junction igbt device and method for manufacturing same |
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JP2641781B2 (ja) * | 1990-02-23 | 1997-08-20 | シャープ株式会社 | 半導体素子分離領域の形成方法 |
US6608350B2 (en) * | 2000-12-07 | 2003-08-19 | International Rectifier Corporation | High voltage vertical conduction superjunction semiconductor device |
JP4932088B2 (ja) * | 2001-02-19 | 2012-05-16 | ルネサスエレクトロニクス株式会社 | 絶縁ゲート型半導体装置の製造方法 |
JP5103118B2 (ja) * | 2007-09-27 | 2012-12-19 | オンセミコンダクター・トレーディング・リミテッド | 半導体ウエハおよびその製造方法 |
JP5612256B2 (ja) * | 2008-10-16 | 2014-10-22 | 株式会社東芝 | 半導体装置 |
US20120018800A1 (en) * | 2010-07-22 | 2012-01-26 | Suku Kim | Trench Superjunction MOSFET with Thin EPI Process |
TW201440118A (zh) * | 2013-04-11 | 2014-10-16 | Anpec Electronics Corp | 半導體功率元件的製作方法 |
CN104241126B (zh) * | 2014-09-17 | 2017-10-31 | 中航(重庆)微电子有限公司 | 沟槽型igbt及制备方法 |
DE102015103072B4 (de) * | 2015-03-03 | 2021-08-12 | Infineon Technologies Ag | Halbleitervorrichtung mit grabenstruktur einschliesslich einer gateelektrode und einer kontaktstruktur fur ein diodengebiet |
CN107359201B (zh) | 2017-08-31 | 2020-06-09 | 上海华虹宏力半导体制造有限公司 | 沟槽栅超结mosfet |
CN111326585A (zh) * | 2018-12-17 | 2020-06-23 | 苏州东微半导体有限公司 | 半导体超结功率器件 |
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WO2015151185A1 (ja) * | 2014-03-31 | 2015-10-08 | 新電元工業株式会社 | 半導体装置 |
JP2019517738A (ja) * | 2016-12-28 | 2019-06-24 | スー ジョウ オリエンタル セミコンダクター カンパニー リミテッドSu Zhou Oriental Semiconductor Co., Ltd. | スーパージャンクション構造のパワートランジスタ及びその製造方法 |
JP2019169543A (ja) * | 2018-03-22 | 2019-10-03 | 株式会社東芝 | 半導体装置 |
CN108767000A (zh) * | 2018-08-16 | 2018-11-06 | 无锡新洁能股份有限公司 | 一种绝缘栅双极型半导体器件及其制造方法 |
WO2020084736A1 (ja) * | 2018-10-25 | 2020-04-30 | 三菱電機株式会社 | 半導体装置、電力変換装置及び半導体装置の製造方法 |
US20200235230A1 (en) * | 2019-01-22 | 2020-07-23 | Shanghai Huahong Grace Semiconductor Manufacturing Corporation | Super-junction igbt device and method for manufacturing same |
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US11973107B2 (en) | 2024-04-30 |
DE112020002916T5 (de) | 2022-06-15 |
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WO2022082885A1 (zh) | 2022-04-28 |
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