JP5629335B2 - 横方向に可変の仕事関数を有するゲート電極を含む半導体構造体 - Google Patents
横方向に可変の仕事関数を有するゲート電極を含む半導体構造体 Download PDFInfo
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- JP5629335B2 JP5629335B2 JP2013009396A JP2013009396A JP5629335B2 JP 5629335 B2 JP5629335 B2 JP 5629335B2 JP 2013009396 A JP2013009396 A JP 2013009396A JP 2013009396 A JP2013009396 A JP 2013009396A JP 5629335 B2 JP5629335 B2 JP 5629335B2
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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- H01L21/26—Bombardment with radiation
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- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
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- H01L21/28008—Making conductor-insulator-semiconductor electrodes
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- H10D30/0321—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon
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- H10D64/311—Gate electrodes for field-effect devices
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- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
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- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
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- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
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- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
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- Condensed Matter Physics & Semiconductors (AREA)
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
- Thin Film Transistor (AREA)
Description
そのような半導体構造体の具体的な例は、(1)Kedzierski他による非特許文献1、(2)Krivokapic他による非特許文献2、(3)Kedzierski他による非特許文献3、及び(4)Doris他による非特許文献4よって開示されている。
12:埋め込み誘電体層
14:表面半導体層
15:分離領域
16:ゲート誘電体
17:犠牲層
18、18’18”、18’’’:ゲート電極
18a:中間ギャップ材料層
18b:ドープ・ポリシリコン材料層
19a、19a’:第1仕事関数変更層
19b、19b’:第2仕事関数変更層
20:スペーサ層
21a:第1キャップ層
21b:第2キャップ層
22、22’:ソース/ドレイン領域
24、24’:シリサイド層
26:層間誘電体(ILD)層
28:マスク層(第1マスク)
30:第1仕事関数変更イオン
32:第2マスク
34:第2仕事関数変更イオン
A1、A1’:開口
G1、G1’:第1ゲート電極スタック
G2、G2’:第2ゲート電極スタック
T1、T1’:電界効果トランジスタ・デバイス(第1トランジスタ)
T2、T2’:電界効果トランジスタ・デバイス(第2トランジスタ)
29a、29b:基準点
Claims (5)
- 半導体構造体を製造する方法であって、
半導体基板を準備するステップであって、前記半導体基板の上面上に存在するゲート誘電体上の誘電体層内に形成されたダミー・ゲート電極を含み、前記ダミー・ゲート電極の側壁に隣接してスペーサ層が配置されている、前記準備するステップと、
前記ダミー・ゲート電極を除去して、前記ゲート誘電体を暴露する開口部を形成するステップと、
前記開口部の前記側壁上に第1の仕事関数金属の金属ライナを形成するステップであって、当該金属ライナを形成するステップは、前記第1の仕事関数金属を前記開口部の前記側壁上及び前記ゲート誘電体上に形成するステップと、次に、前記金属ライナが前記ゲート誘電体の第1の部分と直接接触し、前記ゲート誘電体の第2の部分が暴露し、且つ前記第2の部分が前記第1の部分の間にあるように、前記第1の仕事関数金属を異方的にエッチングするステップとを含む、前記金属ライナを形成するステップと、
前記開口部の少なくとも一部を充填し、前記第2の部分と直接接触する第2の仕事関数金属を形成するステップであって、前記第2の仕事関数金属は前記第1の仕事関数金属よりも高い又は第1の仕事関数金属よりも低い仕事関数を有する、前記第2の仕事関数金属を形成するステップと
を含む、前記方法。 - 前記準備するステップは、バルク半導体基板を準備するステップを含む、請求項1に記載の方法。
- 前記準備するステップは、半導体・オン・インシュレータ基板を準備するステップを含む、請求項1に記載の方法。
- 前記除去することは、前記半導体基板内の非ドープ・チャネルの上に開口部を形成することを含む、請求項1〜3のいずれか一項に記載の方法。
- 前記第2の仕事関数金属を形成することによって得られるゲート電極が、横方向に可変の仕事関数をもつ、請求項1〜4のいずれか一項に記載の方法。
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US11/677,207 US7781288B2 (en) | 2007-02-21 | 2007-02-21 | Semiconductor structure including gate electrode having laterally variable work function |
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JP2013009396A Expired - Fee Related JP5629335B2 (ja) | 2007-02-21 | 2013-01-22 | 横方向に可変の仕事関数を有するゲート電極を含む半導体構造体 |
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JP2013009395A Active JP5607768B2 (ja) | 2007-02-21 | 2013-01-22 | 横方向に可変の仕事関数を有するゲート電極を含む半導体構造体 |
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JP (3) | JP2008205476A (ja) |
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Families Citing this family (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8084824B2 (en) * | 2008-09-11 | 2011-12-27 | United Microelectronics Corp. | Metal gate transistor and method for fabricating the same |
WO2010079389A1 (en) * | 2009-01-12 | 2010-07-15 | Nxp B.V. | Semiconductor device and method of manufacturing a semiconductor device |
US8262894B2 (en) | 2009-04-30 | 2012-09-11 | Moses Lake Industries, Inc. | High speed copper plating bath |
US8421162B2 (en) | 2009-09-30 | 2013-04-16 | Suvolta, Inc. | Advanced transistors with punch through suppression |
US8273617B2 (en) | 2009-09-30 | 2012-09-25 | Suvolta, Inc. | Electronic devices and systems, and methods for making and using the same |
CN102097376B (zh) * | 2009-12-10 | 2013-05-01 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件的制作方法 |
US8609495B2 (en) * | 2010-04-08 | 2013-12-17 | Taiwan Semiconductor Manufacturing Company, Ltd. | Hybrid gate process for fabricating finfet device |
US8530286B2 (en) | 2010-04-12 | 2013-09-10 | Suvolta, Inc. | Low power semiconductor transistor structure and method of fabrication thereof |
US8569128B2 (en) | 2010-06-21 | 2013-10-29 | Suvolta, Inc. | Semiconductor structure and method of fabrication thereof with mixed metal types |
US8759872B2 (en) | 2010-06-22 | 2014-06-24 | Suvolta, Inc. | Transistor with threshold voltage set notch and method of fabrication thereof |
JP5652939B2 (ja) * | 2010-07-07 | 2015-01-14 | ルネサスエレクトロニクス株式会社 | 半導体装置及び半導体装置の製造方法 |
TWI509702B (zh) * | 2010-09-23 | 2015-11-21 | United Microelectronics Corp | 具有金屬閘極之電晶體及其製作方法 |
US8497210B2 (en) * | 2010-10-04 | 2013-07-30 | International Business Machines Corporation | Shallow trench isolation chemical mechanical planarization |
US8404551B2 (en) | 2010-12-03 | 2013-03-26 | Suvolta, Inc. | Source/drain extension control for advanced transistors |
US8461875B1 (en) | 2011-02-18 | 2013-06-11 | Suvolta, Inc. | Digital circuits having improved transistors, and methods therefor |
US8525271B2 (en) | 2011-03-03 | 2013-09-03 | Suvolta, Inc. | Semiconductor structure with improved channel stack and method for fabrication thereof |
US8400219B2 (en) | 2011-03-24 | 2013-03-19 | Suvolta, Inc. | Analog circuits having improved transistors, and methods therefor |
US8748270B1 (en) | 2011-03-30 | 2014-06-10 | Suvolta, Inc. | Process for manufacturing an improved analog transistor |
US8338242B2 (en) | 2011-03-31 | 2012-12-25 | Taiwan Semiconductor Manufacturing Company, Ltd. | Backside bevel protection |
US8431453B2 (en) * | 2011-03-31 | 2013-04-30 | Taiwan Semiconductor Manufacturing Company, Ltd. | Plasma doping to reduce dielectric loss during removal of dummy layers in a gate structure |
CN102738083B (zh) * | 2011-04-06 | 2016-05-25 | 联华电子股份有限公司 | 具有金属栅极的半导体元件的制作方法 |
US8796048B1 (en) | 2011-05-11 | 2014-08-05 | Suvolta, Inc. | Monitoring and measurement of thin film layers |
US8999861B1 (en) | 2011-05-11 | 2015-04-07 | Suvolta, Inc. | Semiconductor structure with substitutional boron and method for fabrication thereof |
US8811068B1 (en) | 2011-05-13 | 2014-08-19 | Suvolta, Inc. | Integrated circuit devices and methods |
US8569156B1 (en) | 2011-05-16 | 2013-10-29 | Suvolta, Inc. | Reducing or eliminating pre-amorphization in transistor manufacture |
US8735987B1 (en) | 2011-06-06 | 2014-05-27 | Suvolta, Inc. | CMOS gate stack structures and processes |
US8995204B2 (en) | 2011-06-23 | 2015-03-31 | Suvolta, Inc. | Circuit devices and methods having adjustable transistor body bias |
US8629016B1 (en) | 2011-07-26 | 2014-01-14 | Suvolta, Inc. | Multiple transistor types formed in a common epitaxial layer by differential out-diffusion from a doped underlayer |
KR101891373B1 (ko) | 2011-08-05 | 2018-08-24 | 엠아이이 후지쯔 세미컨덕터 리미티드 | 핀 구조물을 갖는 반도체 디바이스 및 그 제조 방법 |
US8748986B1 (en) | 2011-08-05 | 2014-06-10 | Suvolta, Inc. | Electronic device with controlled threshold voltage |
US8546208B2 (en) | 2011-08-19 | 2013-10-01 | International Business Machines Corporation | Isolation region fabrication for replacement gate processing |
US8645878B1 (en) | 2011-08-23 | 2014-02-04 | Suvolta, Inc. | Porting a circuit design from a first semiconductor process to a second semiconductor process |
US8614128B1 (en) | 2011-08-23 | 2013-12-24 | Suvolta, Inc. | CMOS structures and processes based on selective thinning |
US8713511B1 (en) | 2011-09-16 | 2014-04-29 | Suvolta, Inc. | Tools and methods for yield-aware semiconductor manufacturing process target generation |
US9236466B1 (en) | 2011-10-07 | 2016-01-12 | Mie Fujitsu Semiconductor Limited | Analog circuits having improved insulated gate transistors, and methods therefor |
CN103094210B (zh) * | 2011-10-28 | 2015-02-11 | 中芯国际集成电路制造(上海)有限公司 | 制作半导体器件的方法 |
US8895327B1 (en) | 2011-12-09 | 2014-11-25 | Suvolta, Inc. | Tipless transistors, short-tip transistors, and methods and circuits therefor |
US8610172B2 (en) * | 2011-12-15 | 2013-12-17 | International Business Machines Corporation | FETs with hybrid channel materials |
US8819603B1 (en) | 2011-12-15 | 2014-08-26 | Suvolta, Inc. | Memory circuits and methods of making and designing the same |
US8883600B1 (en) | 2011-12-22 | 2014-11-11 | Suvolta, Inc. | Transistor having reduced junction leakage and methods of forming thereof |
US8599623B1 (en) | 2011-12-23 | 2013-12-03 | Suvolta, Inc. | Circuits and methods for measuring circuit elements in an integrated circuit device |
US8877619B1 (en) | 2012-01-23 | 2014-11-04 | Suvolta, Inc. | Process for manufacture of integrated circuits with different channel doping transistor architectures and devices therefrom |
US8970289B1 (en) | 2012-01-23 | 2015-03-03 | Suvolta, Inc. | Circuits and devices for generating bi-directional body bias voltages, and methods therefor |
US9093550B1 (en) | 2012-01-31 | 2015-07-28 | Mie Fujitsu Semiconductor Limited | Integrated circuits having a plurality of high-K metal gate FETs with various combinations of channel foundation structure and gate stack structure and methods of making same |
US9406567B1 (en) | 2012-02-28 | 2016-08-02 | Mie Fujitsu Semiconductor Limited | Method for fabricating multiple transistor devices on a substrate with varying threshold voltages |
US8863064B1 (en) | 2012-03-23 | 2014-10-14 | Suvolta, Inc. | SRAM cell layout structure and devices therefrom |
US9299698B2 (en) | 2012-06-27 | 2016-03-29 | Mie Fujitsu Semiconductor Limited | Semiconductor structure with multiple transistors having various threshold voltages |
US8835233B2 (en) * | 2012-07-02 | 2014-09-16 | GlobalFoundries, Inc. | FinFET structure with multiple workfunctions and method for fabricating the same |
US8492228B1 (en) * | 2012-07-12 | 2013-07-23 | International Business Machines Corporation | Field effect transistor devices having thick gate dielectric layers and thin gate dielectric layers |
US8637955B1 (en) | 2012-08-31 | 2014-01-28 | Suvolta, Inc. | Semiconductor structure with reduced junction leakage and method of fabrication thereof |
US9112057B1 (en) | 2012-09-18 | 2015-08-18 | Mie Fujitsu Semiconductor Limited | Semiconductor devices with dopant migration suppression and method of fabrication thereof |
CN103681263A (zh) * | 2012-09-20 | 2014-03-26 | 中芯国际集成电路制造(上海)有限公司 | 一种用于减小接触插塞和栅极结构之间的寄生电容的方法 |
CN103681340B (zh) * | 2012-09-20 | 2017-04-05 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体器件及其制造方法 |
US9041126B2 (en) | 2012-09-21 | 2015-05-26 | Mie Fujitsu Semiconductor Limited | Deeply depleted MOS transistors having a screening layer and methods thereof |
CN103794501B (zh) * | 2012-10-30 | 2016-08-31 | 中芯国际集成电路制造(上海)有限公司 | 晶体管及其形成方法 |
US9431068B2 (en) | 2012-10-31 | 2016-08-30 | Mie Fujitsu Semiconductor Limited | Dynamic random access memory (DRAM) with low variation transistor peripheral circuits |
US8816754B1 (en) | 2012-11-02 | 2014-08-26 | Suvolta, Inc. | Body bias circuits and methods |
US9093997B1 (en) | 2012-11-15 | 2015-07-28 | Mie Fujitsu Semiconductor Limited | Slew based process and bias monitors and related methods |
US9070477B1 (en) | 2012-12-12 | 2015-06-30 | Mie Fujitsu Semiconductor Limited | Bit interleaved low voltage static random access memory (SRAM) and related methods |
US9112484B1 (en) | 2012-12-20 | 2015-08-18 | Mie Fujitsu Semiconductor Limited | Integrated circuit process and bias monitors and related methods |
US9130059B2 (en) * | 2013-01-18 | 2015-09-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of fabricating a semiconductor device having a capping layer |
US9268885B1 (en) | 2013-02-28 | 2016-02-23 | Mie Fujitsu Semiconductor Limited | Integrated circuit device methods and models with predicted device metric variations |
US9299801B1 (en) | 2013-03-14 | 2016-03-29 | Mie Fujitsu Semiconductor Limited | Method for fabricating a transistor device with a tuned dopant profile |
US9478571B1 (en) | 2013-05-24 | 2016-10-25 | Mie Fujitsu Semiconductor Limited | Buried channel deeply depleted channel transistor |
KR102178827B1 (ko) | 2014-02-13 | 2020-11-13 | 삼성전자 주식회사 | Mosfet, 그 제조 방법, 및 mosfet을 구비한 반도체 장치 |
JP6230455B2 (ja) * | 2014-03-19 | 2017-11-15 | 株式会社東芝 | 半導体装置 |
US9710006B2 (en) | 2014-07-25 | 2017-07-18 | Mie Fujitsu Semiconductor Limited | Power up body bias circuits and methods |
US9319013B2 (en) | 2014-08-19 | 2016-04-19 | Mie Fujitsu Semiconductor Limited | Operational amplifier input offset correction with transistor threshold voltage adjustment |
CN105826265B (zh) * | 2015-01-09 | 2019-05-28 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件的形成方法 |
CN105870020A (zh) * | 2015-01-23 | 2016-08-17 | 中国科学院微电子研究所 | 一种半导体器件及其形成方法 |
JP6850096B2 (ja) * | 2015-09-24 | 2021-03-31 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法及び電子機器の作製方法 |
JP2019096814A (ja) * | 2017-11-27 | 2019-06-20 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
CN111415934B (zh) * | 2020-03-31 | 2023-06-09 | 上海华力集成电路制造有限公司 | Pmos和nmos的集成结构及其制造方法 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62249486A (ja) * | 1986-04-22 | 1987-10-30 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JP2548994B2 (ja) * | 1990-03-19 | 1996-10-30 | 富士通株式会社 | 電界効果型トランジスタ及びその製造方法 |
US5210435A (en) * | 1990-10-12 | 1993-05-11 | Motorola, Inc. | ITLDD transistor having a variable work function |
US5175117A (en) * | 1991-12-23 | 1992-12-29 | Motorola, Inc. | Method for making buried isolation |
KR960012585B1 (en) * | 1993-06-25 | 1996-09-23 | Samsung Electronics Co Ltd | Transistor structure and the method for manufacturing the same |
JP3518059B2 (ja) * | 1995-06-12 | 2004-04-12 | ソニー株式会社 | Mis型トランジスタの製造方法 |
EP0798785B1 (en) * | 1996-03-29 | 2003-12-03 | STMicroelectronics S.r.l. | High-voltage-resistant MOS transistor, and corresponding manufacturing process |
US5804496A (en) * | 1997-01-08 | 1998-09-08 | Advanced Micro Devices | Semiconductor device having reduced overlap capacitance and method of manufacture thereof |
JPH10214964A (ja) * | 1997-01-30 | 1998-08-11 | Oki Electric Ind Co Ltd | Mosfet及びその製造方法 |
US5977588A (en) * | 1997-10-31 | 1999-11-02 | Stmicroelectronics, Inc. | Radio frequency power MOSFET device having improved performance characteristics |
JP3147161B2 (ja) * | 1998-06-24 | 2001-03-19 | 日本電気株式会社 | 電界効果型トランジスタ及びその製造方法 |
US5998848A (en) * | 1998-09-18 | 1999-12-07 | International Business Machines Corporation | Depleted poly-silicon edged MOSFET structure and method |
US6051470A (en) * | 1999-01-15 | 2000-04-18 | Advanced Micro Devices, Inc. | Dual-gate MOSFET with channel potential engineering |
US6281559B1 (en) * | 1999-03-03 | 2001-08-28 | Advanced Micro Devices, Inc. | Gate stack structure for variable threshold voltage |
US6255175B1 (en) * | 2000-01-07 | 2001-07-03 | Advanced Micro Devices, Inc. | Fabrication of a field effect transistor with minimized parasitic Miller capacitance |
US6423632B1 (en) * | 2000-07-21 | 2002-07-23 | Motorola, Inc. | Semiconductor device and a process for forming the same |
US6300177B1 (en) * | 2001-01-25 | 2001-10-09 | Chartered Semiconductor Manufacturing Inc. | Method to form transistors with multiple threshold voltages (VT) using a combination of different work function gate materials |
JP2003258251A (ja) * | 2001-12-26 | 2003-09-12 | Toshiba Corp | 半導体装置およびその製造方法 |
JP2004079722A (ja) * | 2002-08-15 | 2004-03-11 | Sony Corp | 絶縁ゲート電界効果トランジスタの製造方法、および、当該トランジスタ |
US6936895B2 (en) * | 2003-10-09 | 2005-08-30 | Chartered Semiconductor Manufacturing Ltd. | ESD protection device |
US7118979B2 (en) * | 2003-11-05 | 2006-10-10 | Texas Instruments Incorporated | Method of manufacturing transistor having germanium implant region on the sidewalls of the polysilicon gate electrode |
US7285829B2 (en) * | 2004-03-31 | 2007-10-23 | Intel Corporation | Semiconductor device having a laterally modulated gate workfunction and method of fabrication |
US7005302B2 (en) * | 2004-04-07 | 2006-02-28 | Advanced Micro Devices, Inc. | Semiconductor on insulator substrate and devices formed therefrom |
US7138323B2 (en) * | 2004-07-28 | 2006-11-21 | Intel Corporation | Planarizing a semiconductor structure to form replacement metal gates |
US7195969B2 (en) * | 2004-12-31 | 2007-03-27 | Taiwan Semiconductor Manufacturing Co., Ltd. | Strained channel CMOS device with fully silicided gate electrode |
KR100724563B1 (ko) * | 2005-04-29 | 2007-06-04 | 삼성전자주식회사 | 다중 일함수 금속 질화물 게이트 전극을 갖는 모스트랜지스터들, 이를 채택하는 씨모스 집적회로 소자들 및그 제조방법들 |
US7229873B2 (en) * | 2005-08-10 | 2007-06-12 | Texas Instruments Incorporated | Process for manufacturing dual work function metal gates in a microelectronics device |
-
2007
- 2007-02-21 US US11/677,207 patent/US7781288B2/en active Active
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