JP4191000B2 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JP4191000B2 JP4191000B2 JP2003347265A JP2003347265A JP4191000B2 JP 4191000 B2 JP4191000 B2 JP 4191000B2 JP 2003347265 A JP2003347265 A JP 2003347265A JP 2003347265 A JP2003347265 A JP 2003347265A JP 4191000 B2 JP4191000 B2 JP 4191000B2
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- H10D64/011—Manufacture or treatment of electrodes ohmically coupled to a semiconductor
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- H10D64/013—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator
- 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
- H10D64/01306—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 silicon contacting the insulator, e.g. polysilicon
- H10D64/01308—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 silicon contacting the insulator, e.g. polysilicon the conductor further comprising a non-elemental silicon additional conductive layer, e.g. a metal silicide layer formed by the reaction of silicon with an implanted metal
- H10D64/01312—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 silicon contacting the insulator, e.g. polysilicon the conductor further comprising a non-elemental silicon additional conductive layer, e.g. a metal silicide layer formed by the reaction of silicon with an implanted metal the additional layer comprising a metal or metal silicide formed by deposition, i.e. without a silicidation reaction, e.g. sputter deposition
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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
- H10D64/01—Manufacture or treatment
- H10D64/013—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator
- 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
- H10D64/01354—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 passivation or protection of the electrode, e.g. using re-oxidation
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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
- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
- H10D64/663—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures the additional layers comprising a silicide layer contacting the layer of silicon, e.g. polycide gates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- 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
- H10D84/0172—Manufacturing their gate conductors
- H10D84/0177—Manufacturing their gate conductors the gate conductors having different materials or different implants
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
- H10P95/50—Alloying conductive materials with semiconductor bodies
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- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
前記N型領域上の前記シリサイド層が連続層として形成され、前記P型領域上の前記シリサイド層が互いに離隔した複数の粒子として形成されていることを特徴とする半導体装置を提供する。
また、本発明は、第2の態様において、半導体基板の主面に形成され、N型領域とP型領域とを有する不純物ドープシリコン層と、前記不純物ドープシリコン層の上に順次形成された、高融点金属のシリサイド層、高融点金属のナイトライド層、及び高融点金属層と、を備え、
前記N型領域上の前記シリサイド層が連続層として形成され、前記P型領域上の前記シリサイド層が互いに離隔した複数の粒子として形成されていることを特徴とする半導体装置を提供する。
更に、本発明は、第3の態様において、ゲート電極が、
半導体基板の主面に形成され、N型領域とP型領域とを有する不純物ドープシリコン層と、前記不純物ドープシリコン層の上に順次形成された、高融点金属のシリサイド層、高融点金属のナイトライド層、及び高融点金属層と、を備え、
前記N型領域上の前記シリサイド層が連続層として形成され、前記P型領域上の前記シリサイド層が互いに離隔した複数の粒子から形成されていることを特徴とする半導体装置を提供する。
前記シリコン層にP型不純物及びN型不純物を注入しP型領域及びN型領域を形成する工程と、
前記N型領域及びP型領域が形成されたシリコン層に、高融点金属のシリサイドを堆積し、前記N型領域上に連続したシリサイド層と、前記P型領域上に互いに離隔した複数の粒子からなるシリサイド層とを形成する工程と、を含むことを特徴とする半導体装置の製造方法を提供する。
本発明は、第5の態様において、半導体基板に多結晶又はアモルファスからなるシリコン層を堆積する工程と、
前記シリコン層にP型不純物及びN型不純物を注入しP型領域及びN型領域を形成する工程と、
前記N型領域及びP型領域が形成されたシリコン層に、高融点金属のシリサイドを堆積し、前記N型領域上に連続したシリサイド層と、前記P型領域上に互いに離隔した複数の粒子からなるシリサイド層とを形成する工程と、
前記シリサイド層に、高融点金属のナイトライド層を堆積する工程と、
前記高融点金属のナイトライド層に高融点金属層を堆積する工程と、を含むことを特徴とする半導体装置の製造方法を提供する。
10A:Pウェル
10B:Nウェル
11:素子分離絶縁層
12:ゲート酸化膜
13:多結晶シリコン層
13A:N型領域
13B:P型領域
13a:アモルファスシリコン層
14:WSi2層
14a:WSi2粒子
15:WSiN層
16:WN層
17:W層
18:SiN層
19:ゲート電極
20:側面酸化膜
21:サイドウォール
Claims (16)
- ゲート電極が、
半導体基板の主面に形成され、N型領域とP型領域とを有する不純物ドープシリコン層と、前記不純物ドープシリコン層の上に順次形成された、高融点金属のシリサイド層、高融点金属のナイトライド層、及び高融点金属層と、を備え、
前記N型領域上の前記シリサイド層が連続層として形成され、前記P型領域上の前記シリサイド層が互いに離隔した複数の粒子から形成されていることを特徴とする半導体装置。 - 前記ゲート電極が、デュアルゲート構造である、請求項1に記載の半導体装置。
- 前記不純物ドープシリコン層が、多結晶又はアモルファスである、請求項1または2に記載の半導体装置。
- 前記シリサイド層及び前記ナイトライド層を構成する高融点金属が、前記高融点金属層と同じ高融点金属から構成される、請求項1〜3の何れか一に記載の半導体装置。
- 前記P型領域上のシリサイド層が、5〜30nmの粒径を有する粒子状に形成される、請求項1〜4の何れか一に記載の半導体装置。
- 前記P型領域上のシリサイド層では、隣接する2つの粒子の間隔が、2〜80nmである、請求項5に記載の半導体装置。
- 前記高融点金属が、タングステン(W)、コバルト(Co)、チタン(Ti)、ニッケル(Ni)、又は、タンタル(Ta)である、請求項1〜6の何れか一に記載の半導体装置。
- 前記不純物ドープシリコン層に導入された不純物がボロン(B)である、請求項1〜7の何れか一に記載の半導体装置。
- 半導体基板の主面にゲート電極を備える半導体装置の製造方法であって、
半導体基板に多結晶又はアモルファスからなるシリコン層を堆積する工程と、
前記シリコン層にP型不純物及びN型不純物を注入しP型領域及びN型領域を形成する工程と、
前記N型領域及びP型領域が形成されたシリコン層に、高融点金属のシリサイドを堆積し、前記N型領域上に連続したシリサイド層と、前記P型領域上に互いに離隔した複数の粒子からなるシリサイド層とを形成する工程と、
前記シリサイド層に、高融点金属のナイトライド層を堆積する工程と、
前記高融点金属のナイトライド層に高融点金属層を堆積する工程と、を含むことを特徴とする半導体装置の製造方法。 - 1×1015/cm2〜5×1015/cm2のドーズ量でP型不純物を前記シリコン層に注入することで前記P型領域を形成し、
前記N型領域が形成されたシリコン層における前記高融点金属のシリサイドの堆積膜厚が3〜10nmである、請求項9に記載の半導体装置の製造方法。 - 前記堆積膜厚が5〜7nmである、請求項10に記載の半導体装置の製造方法。
- 前記シリコン層が、アモルファスシリコン層であり、前記高融点金属のシリサイド層の堆積工程の後に前記アモルファスシリコン層を多結晶シリコン層とする熱処理工程を備える、請求項9〜11の何れか一に記載の半導体装置の製造方法。
- 前記高融点金属のシリサイド層が、30〜100Paの圧力下で堆積される、請求項9〜12の何れか一に記載の半導体装置の製造方法。
- 前記P型領域のシリコン層における不純物注入工程のドーズ量が3×1015/cm2以上である、請求項9〜13の何れか一に記載の半導体装置の製造方法。
- 前記高融点金属が、タングステン(W)、コバルト(Co)、チタン(Ti)、ニッケル(Ni)、又は、タンタル(Ta)である、請求項9〜14の何れか一に記載の半導体装置の製造方法。
- 前記P型不純物がボロン(B)である、請求項9〜15の何れか一に記載の半導体装置の製造方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003347265A JP4191000B2 (ja) | 2003-10-06 | 2003-10-06 | 半導体装置及びその製造方法 |
| TW093130218A TWI242802B (en) | 2003-10-06 | 2004-10-06 | Semiconductor device having a HMP metal gate |
| KR1020040079688A KR100685205B1 (ko) | 2003-10-06 | 2004-10-06 | 고융점 금속 게이트를 갖는 반도체 장치 및 그 제조 방법 |
| US10/959,213 US7078747B2 (en) | 2003-10-06 | 2004-10-06 | Semiconductor device having a HMP metal gate |
| CNB2004100834141A CN100382316C (zh) | 2003-10-06 | 2004-10-08 | 具有高熔点金属栅的半导体器件及其制造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003347265A JP4191000B2 (ja) | 2003-10-06 | 2003-10-06 | 半導体装置及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005116693A JP2005116693A (ja) | 2005-04-28 |
| JP4191000B2 true JP4191000B2 (ja) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003347265A Expired - Fee Related JP4191000B2 (ja) | 2003-10-06 | 2003-10-06 | 半導体装置及びその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7078747B2 (ja) |
| JP (1) | JP4191000B2 (ja) |
| KR (1) | KR100685205B1 (ja) |
| CN (1) | CN100382316C (ja) |
| TW (1) | TWI242802B (ja) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3781666B2 (ja) * | 2001-11-29 | 2006-05-31 | エルピーダメモリ株式会社 | ゲート電極の形成方法及びゲート電極構造 |
| JP4690120B2 (ja) | 2005-06-21 | 2011-06-01 | エルピーダメモリ株式会社 | 半導体装置及びその製造方法 |
| KR100654358B1 (ko) | 2005-08-10 | 2006-12-08 | 삼성전자주식회사 | 반도체 집적 회로 장치와 그 제조 방법 |
| KR100689679B1 (ko) * | 2005-09-22 | 2007-03-09 | 주식회사 하이닉스반도체 | 반도체 소자 제조 방법 |
| EP1801067A3 (en) * | 2005-12-21 | 2012-05-09 | Imec | Method for forming silicon germanium layers at low temperatures for controlling stress gradient |
| KR100733448B1 (ko) * | 2006-02-17 | 2007-06-29 | 주식회사 하이닉스반도체 | 반도체 소자의 게이트 전극, 이중 게이트 전극 및 이중게이트 전극을 구비한 반도체 소자 |
| JP4899085B2 (ja) | 2006-03-03 | 2012-03-21 | 富士通セミコンダクター株式会社 | 半導体装置およびその製造方法 |
| WO2008053008A2 (en) * | 2006-10-31 | 2008-05-08 | Interuniversitair Microelektronica Centrum (Imec) | Method for manufacturing a micromachined device |
| US7675119B2 (en) | 2006-12-25 | 2010-03-09 | Elpida Memory, Inc. | Semiconductor device and manufacturing method thereof |
| CN101211768B (zh) * | 2006-12-25 | 2010-12-22 | 中芯国际集成电路制造(上海)有限公司 | 栅极电极及其形成方法 |
| DE102007045074B4 (de) | 2006-12-27 | 2009-06-18 | Hynix Semiconductor Inc., Ichon | Halbleiterbauelement mit Gatestapelstruktur |
| KR100844940B1 (ko) * | 2006-12-27 | 2008-07-09 | 주식회사 하이닉스반도체 | 다중 확산방지막을 구비한 반도체소자 및 그의 제조 방법 |
| KR100935719B1 (ko) * | 2007-04-12 | 2010-01-08 | 주식회사 하이닉스반도체 | 반도체 소자의 듀얼 게이트 형성방법 |
| KR100940264B1 (ko) | 2007-10-05 | 2010-02-04 | 주식회사 하이닉스반도체 | 반도체 소자의 듀얼 게이트 제조방법 |
| US8981565B2 (en) * | 2012-03-23 | 2015-03-17 | International Business Machines Corporation | Techniques to form uniform and stable silicide |
| KR20130116099A (ko) * | 2012-04-13 | 2013-10-23 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
| US10755926B2 (en) * | 2017-11-20 | 2020-08-25 | International Business Machines Corporation | Patterning directly on an amorphous silicon hardmask |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08316336A (ja) * | 1995-05-18 | 1996-11-29 | Sanyo Electric Co Ltd | 半導体装置および半導体装置の製造方法 |
| JPH1093077A (ja) * | 1996-09-19 | 1998-04-10 | Sony Corp | 半導体装置とその製造方法 |
| JPH11233451A (ja) | 1997-10-07 | 1999-08-27 | Texas Instr Inc <Ti> | 安定した低抵抗のポリ・メタル・ゲート電極を製造するためのcvdに基くプロセス |
| JP3781666B2 (ja) | 2001-11-29 | 2006-05-31 | エルピーダメモリ株式会社 | ゲート電極の形成方法及びゲート電極構造 |
-
2003
- 2003-10-06 JP JP2003347265A patent/JP4191000B2/ja not_active Expired - Fee Related
-
2004
- 2004-10-06 US US10/959,213 patent/US7078747B2/en not_active Expired - Fee Related
- 2004-10-06 KR KR1020040079688A patent/KR100685205B1/ko not_active Expired - Fee Related
- 2004-10-06 TW TW093130218A patent/TWI242802B/zh not_active IP Right Cessation
- 2004-10-08 CN CNB2004100834141A patent/CN100382316C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100382316C (zh) | 2008-04-16 |
| KR20050033494A (ko) | 2005-04-12 |
| KR100685205B1 (ko) | 2007-02-22 |
| CN1610115A (zh) | 2005-04-27 |
| TW200515497A (en) | 2005-05-01 |
| JP2005116693A (ja) | 2005-04-28 |
| US20050073011A1 (en) | 2005-04-07 |
| TWI242802B (en) | 2005-11-01 |
| US7078747B2 (en) | 2006-07-18 |
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