JP6401394B2 - 高電圧p型横方向二重拡散金属酸化物半導体電界効果トランジスタ - Google Patents
高電圧p型横方向二重拡散金属酸化物半導体電界効果トランジスタ Download PDFInfo
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- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
基板と、
基板上に形成されたN型横方向二重拡散金属酸化物半導体電界効果トランジスタと、
N型横方向二重拡散金属酸化物半導体電界効果トランジスタのドレインに形成されたP型金属酸化物半導体電界効果トランジスタと、を備え、
P型金属酸化物半導体電界効果トランジスタのゲートは、高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタのゲートとして機能し、P型金属酸化物半導体電界効果トランジスタのドレインは、高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタのドレインとして機能し、N型横方向二重拡散金属酸化物半導体電界効果トランジスタのソースは、高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタのソースとして機能する。
20 金属電極
100 基板
200 N型横方向二重拡散金属酸化物半導体電界効果トランジスタ(NLDMOSトランジスタ)
202 Pウェル
204 第1のNウェル
206 第1のソース引き出し領域
208 フィールド酸化物層
210 第1のゲート酸化物層
212 第1のポリシリコンゲート
300 P型金属酸化物半導体電界効果トランジスタ(PMOSトランジスタ)
302 第2のNウェル
304 ドレイン引き出し領域
306 第2のソース引き出し領域
308 第2のゲート酸化物層
310 第2のポリシリコンゲート
Claims (13)
- 基板と、
基板上に形成されたN型横方向二重拡散金属酸化物半導体電界効果トランジスタと、
N型横方向二重拡散金属酸化物半導体電界効果トランジスタのドレインに形成されたP型金属酸化物半導体電界効果トランジスタと、を備え、
P型金属酸化物半導体電界効果トランジスタのゲートのみが、N型横方向二重拡散金属酸化物半導体電界効果トランジスタのゲートのスイッチング特性をP型金属酸化物半導体電界効果トランジスタと一致させることで高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタのゲートの制御端子として機能し、P型金属酸化物半導体電界効果トランジスタのドレインは、高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタのドレインとして機能し、N型横方向二重拡散金属酸化物半導体電界効果トランジスタのソースは、高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタのソースとして機能し、
前記N型横方向二重拡散金属酸化物半導体電界効果トランジスタは、
前記基板上に配置されたPウェルと、
前記基板上に配置された第1のNウェルと、
前記Pウェル上に配置され、かつ金属電極によって引き出されて、前記N型横方向二重拡散金属酸化物半導体電界効果トランジスタの前記ソースとして機能する、第1のソース引き出し領域と、
前記第1のNウェル上に配置されたフィールド酸化物層と、
前記Pウェルの表面から前記第1のNウェルの表面まで延在する第1のゲート酸化物層と、
前記第1のゲート酸化物層および前記フィールド酸化物層の表面に配置され、かつ金属電極によって引き出されて、前記N型横方向二重拡散金属酸化物半導体電界効果トランジスタのゲートとして機能する、第1のポリシリコンゲートと、を備え、
前記Pウェルのドーピング濃度は、1×10 12 cm −3 〜1×10 13 cm −3 であることを特徴とする、高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。 - 前記基板は、P型基板であることを特徴とする、請求項1に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
- 前記基板の抵抗率は、50Ω・cm〜95Ω・cmであることを特徴とする、請求項2に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
- 前記N型横方向二重拡散金属酸化物半導体電界効果トランジスタの前記ゲートはハイレベルであることを特徴とする、請求項1に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
- 前記第1のソース引き出し領域は、第1のP型引き出し領域および第1のN型引き出し領域を含み、前記第1のN型引き出し領域は、金属電極を介して前記第1のP型引き出し領域に接続されることを特徴とする、請求項1に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
- 前記Pウェルのドーピング濃度は、前記第1のNウェルのドーピング濃度より高いことを特徴とする、請求項1に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
- 前記P型金属酸化物半導体電界効果トランジスタは、
前記基板上に配置され、かつ前記第1のNウェルと接触する、第2のNウェルと、
前記第2のNウェル上に配置され、かつ金属電極によって引き出されて、前記P型金属酸化物半導体電界効果トランジスタの前記ドレインとして機能する、ドレイン引き出し領域と、
前記第2のNウェル上に配置され、かつ金属電極によって引き出されて、前記P型金属酸化物半導体電界効果トランジスタのソースとして機能する、第2のソース引き出し領域と、
前記第2のNウェルの表面に配置され、かつ前記第2のソース引き出し領域と前記ドレイン引き出し領域との間に配置された、第2のゲート酸化物層と、
前記第2のゲート酸化物層上に形成され、かつ金属電極によって引き出されて、前記P型金属酸化物半導体電界効果トランジスタの前記ゲートとして機能する、第2のポリシリコンゲートと、を備えることを特徴とする、請求項1に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。 - 前記第2のソース引き出し領域は、第2のP型引き出し領域および第2のN型引き出し領域を含み、前記第2のN型引き出し領域は、金属電極を介して前記第2のP型引き出し領域に接続されることを特徴とする、請求項7に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
- 前記フィールド酸化物層は、前記第1のNウェルの前記表面から前記第2のNウェルの前記表面まで延在することを特徴とする、請求項7に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
- 前記第2のNウェルのドーピング濃度は、前記第1のNウェルのドーピング濃度より高いことを特徴とする、請求項7に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
- 前記第2のNウェルのドーピング濃度は、1×1012cm−3〜1×1013cm−3であることを特徴とする、請求項7に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
- 前記第2のNウェルのウェル深さは、前記第1のNウェルのウェル深さ以下であることを特徴とする、請求項7に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
- 前記第2のNウェルのウェル深さは、4ミクロン〜6ミクロンであることを特徴とする、請求項7に記載の高電圧P型横方向二重拡散金属酸化物半導体電界効果トランジスタ。
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| CN201510003131.XA CN105826371B (zh) | 2015-01-05 | 2015-01-05 | 高压p型横向双扩散金属氧化物半导体场效应管 |
| CN201510003131.X | 2015-01-05 | ||
| PCT/CN2015/089807 WO2016110128A1 (zh) | 2015-01-05 | 2015-09-16 | 高压p型横向双扩散金属氧化物半导体场效应管 |
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| KR102749671B1 (ko) * | 2023-01-11 | 2025-01-03 | 에스케이키파운드리 주식회사 | 반도체 소자 및 그 제조방법 |
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| US5386136A (en) * | 1991-05-06 | 1995-01-31 | Siliconix Incorporated | Lightly-doped drain MOSFET with improved breakdown characteristics |
| TW218424B (ja) * | 1992-05-21 | 1994-01-01 | Philips Nv | |
| US5430403A (en) * | 1993-09-20 | 1995-07-04 | Micrel, Inc. | Field effect transistor with switchable body to source connection |
| JP3121723B2 (ja) * | 1994-06-27 | 2001-01-09 | 松下電子工業株式会社 | 半導体装置 |
| JP3519173B2 (ja) * | 1995-06-14 | 2004-04-12 | 富士電機デバイステクノロジー株式会社 | 横型半導体装置およびその製造方法 |
| KR100187635B1 (ko) * | 1996-03-20 | 1999-07-01 | 김충환 | 단락 애노우드 수평형 절연 게이트 바이폴라 트랜지스터 |
| US6897525B1 (en) * | 1998-11-26 | 2005-05-24 | Sanyo Electric Co., Ltd. | Semiconductor device and method of manufacturing the same |
| JP4437388B2 (ja) * | 2003-02-06 | 2010-03-24 | 株式会社リコー | 半導体装置 |
| JP2009194197A (ja) * | 2008-02-15 | 2009-08-27 | Panasonic Corp | 半導体装置及びその製造方法 |
| CN101752373B (zh) * | 2008-12-19 | 2011-09-28 | 上海华虹Nec电子有限公司 | 防静电保护结构及其制作方法 |
| CN102412294B (zh) * | 2010-09-25 | 2013-09-11 | 上海华虹Nec电子有限公司 | 用作静电防护结构的器件 |
| US8796767B1 (en) * | 2011-06-06 | 2014-08-05 | Maxim Integrated Products, Inc. | Low-noise, high-gain semiconductor device incorporating BCD (bipolar-CMOS-DMOS) technology |
| CN102790087B (zh) * | 2012-07-18 | 2014-10-29 | 电子科技大学 | 一种具有ESD保护功能的nLDMOS器件 |
| JP6198292B2 (ja) * | 2012-08-17 | 2017-09-20 | ローム株式会社 | 半導体装置および半導体装置の製造方法 |
| JP2015233025A (ja) * | 2012-10-02 | 2015-12-24 | シャープ株式会社 | 電界効果トランジスタおよびその製造方法 |
| CN103258814B (zh) * | 2013-05-15 | 2015-07-29 | 电子科技大学 | 一种集成电路芯片esd防护用ldmos scr器件 |
| CN103441145B (zh) * | 2013-08-02 | 2016-04-13 | 无锡华润上华半导体有限公司 | 半导体器件及其形成方法、启动电路及开关电源 |
| US9196610B1 (en) * | 2014-05-13 | 2015-11-24 | Macronix International Co., Ltd. | Semiconductor structure and electrostatic discharge protection circuit |
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| EP3242329A4 (en) | 2018-08-22 |
| WO2016110128A1 (zh) | 2016-07-14 |
| KR101951825B1 (ko) | 2019-02-25 |
| CN105826371B (zh) | 2018-11-27 |
| JP2018501663A (ja) | 2018-01-18 |
| CN105826371A (zh) | 2016-08-03 |
| US20180190815A1 (en) | 2018-07-05 |
| EP3242329A1 (en) | 2017-11-08 |
| KR20170098316A (ko) | 2017-08-29 |
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