JP5135250B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- H10D64/693—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator the insulator comprising nitrogen, e.g. nitrides, oxynitrides or nitrogen-doped materials
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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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- H10P90/00—Preparation of wafers not covered by a single main group of this subclass, e.g. wafer reinforcement
- H10P90/19—Preparing inhomogeneous wafers
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- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
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- H10W10/181—Semiconductor-on-insulator [SOI] isolation regions, e.g. buried oxide regions of SOI wafers
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- H10D64/01—Manufacture or treatment
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- H10D64/01302—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon
- H10D64/01304—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H10D64/01318—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of alloy material, compound material or organic material contacting the insulator, e.g. TiN
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- H10D64/01302—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon
- H10D64/01332—Making the insulator
- H10D64/01336—Making the insulator on single crystalline silicon, e.g. chemical oxidation using a liquid
- H10D64/01342—Making the insulator on single crystalline silicon, e.g. chemical oxidation using a liquid by deposition, e.g. evaporation, ALD or laser deposition
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- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/667—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of alloy material, compound material or organic material contacting the insulator, e.g. TiN workfunction layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/691—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator comprising metallic compounds, e.g. metal oxides or metal silicates
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Formation Of Insulating Films (AREA)
- Thin Film Transistor (AREA)
Description
第1の実施形態に係る半導体装置の製造方法を、図1A〜図1Hを用いて説明する。
次に、第2の実施形態に係る半導体装置の製造方法を説明する。本実施形態は、フィン(Fin)の側面に形成された第1の実施形態と同様の多層絶縁膜から熱工程を経て形成されるゲート絶縁膜を有する、FinFETの製造方法に関するものである。
Claims (5)
- 液体の酸化剤を用いて半導体基板の表面を雰囲気に露出させることなく酸化することにより、前記半導体基板の表面に、前記半導体基板の構成元素の酸化物を含む第1の絶縁膜を形成し、
前記第1の絶縁膜の上にアルミニウム酸化物を含む第2の絶縁膜を形成し、
前記第2の絶縁膜の上に希土類酸化物を含む第3の絶縁膜を形成し、
前記第3の絶縁膜の上にハフニウム及びジルコニウムの少なくともいずれかを含む絶縁膜を形成し、
その後、窒素を導入して熱処理を行うことにより、前記絶縁膜を窒化させて第4の絶縁膜を形成し、
前記熱処理により、前記第1ないし前記第3の絶縁膜を、アルミニウム、希土類元素、前記半導体基板の構成元素、及び酸素を含む混合物とする、
ことを特徴とする半導体装置の製造方法。 - n型MISFET及びp型MISFETからなる相補型MISFETを有する半導体装置を製造する方法であって、
前記n型MISFETを形成するための半導体基板上の第1の領域と、前記p型MISFETを形成するための前記半導体基板上の第2の領域とを電気的に分離する素子分離絶縁膜を、前記半導体基板に形成し、
液体の酸化剤を用いて前記半導体基板の表面を雰囲気に露出させることなく酸化することにより、前記第1の領域及び前記第2の領域に、前記半導体基板の構成元素の酸化物を含む第1の絶縁膜を形成し、
前記第1の絶縁膜の上にアルミニウム酸化物を含む第2の絶縁膜を形成し、
前記第2の絶縁膜の上に希土類酸化物を含む第3の絶縁膜を形成し、
前記第3の絶縁膜の上にハフニウム及びジルコニウムの少なくともいずれかを含む絶縁膜を形成し、
その後、窒素を導入して熱処理を行うことにより、前記絶縁膜を窒化させて第4の絶縁膜を形成し、
前記熱処理により、前記第1ないし前記第3の絶縁膜を、アルミニウム、希土類元素、前記半導体基板の構成元素、及び酸素を含む混合物とする、
ことを特徴とする半導体装置の製造方法。 - 請求項1又は請求項2に記載の半導体装置の製造方法であって、
前記第3の絶縁膜は、前記第2の絶縁膜の上に希土類元素からなる薄膜を堆積し、大気中で前記希土類元素からなる薄膜を酸化させることにより形成する、
ことを特徴とする半導体装置の製造方法。 - 請求項1乃至請求項3のいずれかに記載の半導体装置の製造方法であって、
前記第4の絶縁膜の上に、窒化チタン、窒化タンタル又は炭化タンタルからなる金属膜を堆積することを特徴とする半導体装置の製造方法。 - 半導体基板の上に、所定の形状にパターニングされたマスク材を形成し、
前記マスク材をマスクとして、前記半導体基板の表面から所定の深さまで前記半導体基板をエッチングすることにより、フィン及び素子分離溝を形成し、
前記素子分離溝に素子分離絶縁膜を堆積した後、前記素子分離絶縁膜を所定の厚さになるまでエッチングし、
この後、液体の酸化剤を用いて、前記フィンの側面を雰囲気に露出させることなく酸化することにより、前記半導体基板の構成元素の酸化物を含む第1の絶縁膜を前記フィンの側面に形成し、
前記第1の絶縁膜の上にアルミニウム酸化物を含む第2の絶縁膜を形成し、
前記第2の絶縁膜の上に希土類酸化物を含む第3の絶縁膜を形成し、
前記第3の絶縁膜の上にハフニウム及びジルコニウムの少なくともいずれかを含む絶縁膜を形成し、
その後、窒素を導入して熱処理を行うことにより、前記絶縁膜を窒化させて第4の絶縁膜を形成し、
前記熱処理により、前記第1ないし前記第3の絶縁膜を、アルミニウム、希土類元素、前記半導体基板の構成元素、及び酸素を含む混合物とする、
ことを特徴とする半導体装置の製造方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009029587A JP5135250B2 (ja) | 2009-02-12 | 2009-02-12 | 半導体装置の製造方法 |
| US12/704,315 US8071447B2 (en) | 2009-02-12 | 2010-02-11 | Semiconductor device manufacturing method |
| US13/282,507 US8435858B2 (en) | 2009-02-12 | 2011-10-27 | Semiconductor device manufacturing method |
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| JP2009029587A JP5135250B2 (ja) | 2009-02-12 | 2009-02-12 | 半導体装置の製造方法 |
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| JP2010186853A JP2010186853A (ja) | 2010-08-26 |
| JP5135250B2 true JP5135250B2 (ja) | 2013-02-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5521726B2 (ja) * | 2010-04-16 | 2014-06-18 | 富士通セミコンダクター株式会社 | 半導体装置及びその製造方法 |
| JP2012060086A (ja) * | 2010-09-13 | 2012-03-22 | Toshiba Corp | 不揮発性半導体記憶装置及びその製造方法 |
| US8858818B2 (en) * | 2010-09-30 | 2014-10-14 | Suvolta, Inc. | Method for minimizing defects in a semiconductor substrate due to ion implantation |
| US20120196410A1 (en) * | 2011-01-31 | 2012-08-02 | United Microelectronics Corp | Method for fabricating fin field effect transistor |
| CN103035479B (zh) * | 2011-09-29 | 2015-11-25 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体结构形成方法 |
| KR20130127261A (ko) | 2012-05-14 | 2013-11-22 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
| US8778786B1 (en) | 2012-05-29 | 2014-07-15 | Suvolta, Inc. | Method for substrate preservation during transistor fabrication |
| WO2014035933A1 (en) * | 2012-08-28 | 2014-03-06 | Applied Materials, Inc. | Methods and apparatus for forming tantalum silicate layers on germanium or iii-v semiconductor devices |
| US20140162447A1 (en) * | 2012-12-10 | 2014-06-12 | International Business Machines Corporation | Finfet hybrid full metal gate with borderless contacts |
| US9595593B2 (en) * | 2015-06-29 | 2017-03-14 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor structure with interfacial layer and method for manufacturing the same |
| WO2017104505A1 (ja) * | 2015-12-18 | 2017-06-22 | 株式会社フローディア | メモリセル、不揮発性半導体記憶装置、および不揮発性半導体記憶装置の製造方法 |
| JP6069569B1 (ja) * | 2016-08-24 | 2017-02-01 | 株式会社フローディア | メモリセル、および不揮発性半導体記憶装置 |
| CN106206321A (zh) * | 2016-08-19 | 2016-12-07 | 上海华力微电子有限公司 | 半导体器件的制备方法 |
| CN109427888B (zh) * | 2017-08-31 | 2021-10-15 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
| US10504795B2 (en) | 2018-03-27 | 2019-12-10 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method for patterning a lanthanum containing layer |
| CN113314530B (zh) * | 2020-02-27 | 2025-11-04 | 台湾积体电路制造股份有限公司 | 制造半导体器件的方法和半导体器件 |
| KR102797393B1 (ko) * | 2021-04-21 | 2025-04-21 | 창신 메모리 테크놀로지즈 아이엔씨 | 반도체 구조 및 반도체 구조의 제조 방법 |
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| JP2002314072A (ja) * | 2001-04-19 | 2002-10-25 | Nec Corp | 高誘電体薄膜を備えた半導体装置及びその製造方法並びに誘電体膜の成膜装置 |
| WO2004086484A1 (ja) * | 2003-03-24 | 2004-10-07 | Fujitsu Limited | 半導体装置及びその製造方法 |
| US7045847B2 (en) * | 2003-08-11 | 2006-05-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device with high-k gate dielectric |
| JP2005079390A (ja) * | 2003-09-01 | 2005-03-24 | Semiconductor Leading Edge Technologies Inc | 半導体装置 |
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| JP4309320B2 (ja) * | 2004-09-13 | 2009-08-05 | 株式会社東芝 | 半導体装置及びその製造方法 |
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| JP2007005534A (ja) * | 2005-06-23 | 2007-01-11 | Toshiba Corp | 半導体装置 |
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| WO2007116470A1 (ja) * | 2006-03-31 | 2007-10-18 | Fujitsu Limited | 半導体装置及びその製造方法 |
| JP2008072001A (ja) | 2006-09-15 | 2008-03-27 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
| JP2008198935A (ja) * | 2007-02-15 | 2008-08-28 | Sony Corp | 絶縁ゲート電界効果トランジスタの製造方法。 |
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2010
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2011
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| US8071447B2 (en) | 2011-12-06 |
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| JP2010186853A (ja) | 2010-08-26 |
| US8435858B2 (en) | 2013-05-07 |
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