JP4935680B2 - 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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- JP4935680B2 JP4935680B2 JP2007546333A JP2007546333A JP4935680B2 JP 4935680 B2 JP4935680 B2 JP 4935680B2 JP 2007546333 A JP2007546333 A JP 2007546333A JP 2007546333 A JP2007546333 A JP 2007546333A JP 4935680 B2 JP4935680 B2 JP 4935680B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 30
- 239000004065 semiconductor Substances 0.000 title claims description 30
- 239000011229 interlayer Substances 0.000 claims description 77
- 239000003990 capacitor Substances 0.000 claims description 55
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 34
- 239000001257 hydrogen Substances 0.000 claims description 34
- 229910052739 hydrogen Inorganic materials 0.000 claims description 34
- 230000004888 barrier function Effects 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 18
- 239000003963 antioxidant agent Substances 0.000 claims description 13
- 230000003078 antioxidant effect Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 12
- 230000003064 anti-oxidating effect Effects 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 238000005121 nitriding Methods 0.000 claims description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 23
- 239000010410 layer Substances 0.000 description 21
- 229910052814 silicon oxide Inorganic materials 0.000 description 17
- 239000004020 conductor Substances 0.000 description 16
- 230000015654 memory Effects 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 11
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 10
- VRIVJOXICYMTAG-IYEMJOQQSA-L iron(ii) gluconate Chemical compound [Fe+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O VRIVJOXICYMTAG-IYEMJOQQSA-L 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 208000005156 Dehydration Diseases 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 230000018044 dehydration Effects 0.000 description 7
- 238000006297 dehydration reaction Methods 0.000 description 7
- 238000006356 dehydrogenation reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 206010021143 Hypoxia Diseases 0.000 description 4
- 229910021332 silicide Inorganic materials 0.000 description 4
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/10—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration
- H01L27/105—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration including field-effect components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/55—Capacitors with a dielectric comprising a perovskite structure material
- H01L28/57—Capacitors with a dielectric comprising a perovskite structure material comprising a barrier layer to prevent diffusion of hydrogen or oxygen
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B53/00—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors
- H10B53/30—Ferroelectric RAM [FeRAM] devices comprising ferroelectric memory capacitors characterised by the memory core region
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Memories (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
11,31,51 半導体基板
11P,31P 導体プラグ
12,32,55,57 酸化防止膜
13,21,23,21,23,33,41,43,56,58,65,67 層間絶縁膜
14,34,59 Al2O3膜
15,35,60A,60C 下部電極
16,36,61A,61C 強誘電体膜
17,18,37,38,62A,62C 上部電極
19,39,63A,63C 上部電極キャップ層
20,22,40,42,64,66 水素バリア膜
21A,21B,41A,41B コンタクトホール
22A,22B、42A〜42C ビアプラグ
41C、64A,64C,64D〜64G 開口部
44 配線パターン
51A 素子領域
51I 素子分離領域
51a〜51h 拡散領域
強誘電体キャパシタ C,C1,C2
図3〜6は、本発明の第1の実施形態による、強誘電体キャパシタを有する半導体装置の製造工程を示す。
[第2の実施形態]
図8,9は、本発明の第2の実施形態による、強誘電体キャパシタを有する半導体装置の製造工程を示す。ただし図中、先に説明した部分に対応する部分には同一の参照符号を付し、説明を省略する。
[第3の実施形態]
図10は、本発明の第3の実施形態による強誘電体メモリ装置50の構成を示す図である。
Claims (7)
- 活性素子が形成された半導体基板と、前記半導体基板上に、前記活性素子を覆うように形成された酸化防止膜と、前記酸化防止膜上に形成され、下部電極と強誘電体膜と上部電極を順次積層した構造を有する強誘電体キャパシタと、前記酸化防止膜上に、前記強誘電体キャパシタを覆うように形成された層間絶縁膜とを含む半導体装置の製造方法であって、
前記層間絶縁膜中に、それぞれ前記上部電極および下部電極を露出する第1および第2のコンタクトホールを形成する工程と、
前記層間絶縁膜中に、前記酸化防止膜を露出する開口部を形成する工程と、
前記層間絶縁膜中に、前記第1および第2のコンタクトホールと前記開口部が形成された状態で、前記層間絶縁膜に対し、酸化性雰囲気中において熱処理を行う工程と、を含むことを特徴とする半導体装置の製造方法。 - 前記開口部は、前記層間絶縁膜上に形成されたハードマスクパターンをマスクに形成されることを特徴とする請求項1記載の半導体装置の製造方法。
- 前記第1および第2のコンタクトホールおよび前記開口部は、前記層間絶縁膜上に形成された水素バリア膜を貫通して延在していることを特徴とする請求項1または2記載の半導体装置の製造方法。
- 前記開口部は、前記酸化防止膜の下の導電部に対応して形成され、前記半導体装置の製造方法は、前記開口部の形成工程の後、前記開口部により露出された酸化防止膜を除去し、前記導電部を露出する工程と、前記開口部を、導体プラグにより充填する工程と、を含むことを特徴とする請求項1〜3のうち、いずれか一項記載の半導体装置の製造方法。
- さらに、前記開口部を、導体プラグにより充填する工程を含むことを特徴とする請求項1〜3のうち、いずれか一項記載の半導体装置の製造方法。
- 熱処理工程に引き続き、前記第1のコンタクトホール、前記第2のコンタクトホールおよび前記開口部の側壁面を、プラズマ窒化する工程を含むことを特徴とする請求項1〜5のうち、いずれか一項記載の半導体装置の製造方法。
- 前記開口部には、ダミーコンタクトプラグが形成されていることを特徴とする請求項1〜3のうち、いずれか一項記載の半導体装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/021714 WO2007060735A1 (ja) | 2005-11-25 | 2005-11-25 | 半導体装置およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2007060735A1 JPWO2007060735A1 (ja) | 2009-05-07 |
JP4935680B2 true JP4935680B2 (ja) | 2012-05-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007546333A Expired - Fee Related JP4935680B2 (ja) | 2005-11-25 | 2005-11-25 | 半導体装置の製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8558294B2 (ja) |
JP (1) | JP4935680B2 (ja) |
KR (1) | KR101026170B1 (ja) |
CN (1) | CN101313401B (ja) |
WO (1) | WO2007060735A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008066615A (ja) * | 2006-09-11 | 2008-03-21 | Oki Electric Ind Co Ltd | 半導体装置及びその製造方法 |
JP2008198885A (ja) * | 2007-02-15 | 2008-08-28 | Fujitsu Ltd | 半導体装置およびその製造方法 |
JP5401817B2 (ja) * | 2008-03-25 | 2014-01-29 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法及び半導体装置 |
US9536822B2 (en) * | 2008-10-13 | 2017-01-03 | Texas Instruments Incorporated | Drawn dummy FeCAP, via and metal structures |
US20110079878A1 (en) * | 2009-10-07 | 2011-04-07 | Texas Instruments Incorporated | Ferroelectric capacitor encapsulated with a hydrogen barrier |
KR101742817B1 (ko) * | 2011-08-23 | 2017-06-02 | 삼성전자 주식회사 | 반도체 소자 및 그 제조 방법 |
KR102721964B1 (ko) * | 2019-04-23 | 2024-10-28 | 삼성전자주식회사 | 캐패시터를 갖는 반도체 소자 |
US11289497B2 (en) | 2019-12-27 | 2022-03-29 | Kepler Computing Inc. | Integration method of ferroelectric memory array |
US11430861B2 (en) | 2019-12-27 | 2022-08-30 | Kepler Computing Inc. | Ferroelectric capacitor and method of patterning such |
US11482528B2 (en) | 2019-12-27 | 2022-10-25 | Kepler Computing Inc. | Pillar capacitor and method of fabricating such |
US11792998B1 (en) | 2021-06-11 | 2023-10-17 | Kepler Computing Inc. | Process integration flow for embedded memory with multi-pocket masks for decoupling processing of memory areas from non-memory areas |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001110998A (ja) * | 1999-10-06 | 2001-04-20 | Fujitsu Ltd | 強誘電体キャパシタおよび強誘電体キャパシタを備えた半導体装置 |
JP2004260062A (ja) * | 2003-02-27 | 2004-09-16 | Fujitsu Ltd | 半導体装置及びその製造方法 |
JP2005026331A (ja) * | 2003-06-30 | 2005-01-27 | Seiko Epson Corp | 半導体装置及びその製造方法 |
JP2005327989A (ja) * | 2004-05-17 | 2005-11-24 | Toshiba Corp | 半導体装置及びその製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0969615A (ja) * | 1995-08-30 | 1997-03-11 | Sony Corp | 強誘電体薄膜の形成方法及び半導体素子のキャパシタ構造の作製方法 |
JP2000174213A (ja) * | 1998-12-10 | 2000-06-23 | Fujitsu Ltd | 半導体装置及びその製造方法 |
JP3276007B2 (ja) * | 1999-07-02 | 2002-04-22 | 日本電気株式会社 | 混載lsi半導体装置 |
JP2001015696A (ja) * | 1999-06-29 | 2001-01-19 | Nec Corp | 水素バリヤ層及び半導体装置 |
DE10065976A1 (de) * | 2000-02-25 | 2002-02-21 | Infineon Technologies Ag | Verfahren zur Herstellung eines Halbleiterbauelements |
JP2002217381A (ja) | 2000-11-20 | 2002-08-02 | Toshiba Corp | 半導体記憶装置及びその製造方法 |
JP2002324839A (ja) | 2001-04-25 | 2002-11-08 | Sony Corp | 半導体装置の製造方法 |
JP2003152165A (ja) * | 2001-11-15 | 2003-05-23 | Fujitsu Ltd | 半導体装置およびその製造方法 |
JP2004095861A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Ltd | 半導体装置及びその製造方法 |
JP4316358B2 (ja) * | 2003-11-27 | 2009-08-19 | 株式会社東芝 | 半導体記憶装置及びその製造方法 |
JP4049119B2 (ja) * | 2004-03-26 | 2008-02-20 | セイコーエプソン株式会社 | 強誘電体メモリ素子の製造方法 |
-
2005
- 2005-11-25 KR KR1020087012409A patent/KR101026170B1/ko active IP Right Grant
- 2005-11-25 WO PCT/JP2005/021714 patent/WO2007060735A1/ja active Application Filing
- 2005-11-25 CN CN2005800521328A patent/CN101313401B/zh not_active Expired - Fee Related
- 2005-11-25 JP JP2007546333A patent/JP4935680B2/ja not_active Expired - Fee Related
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2008
- 2008-05-23 US US12/126,357 patent/US8558294B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001110998A (ja) * | 1999-10-06 | 2001-04-20 | Fujitsu Ltd | 強誘電体キャパシタおよび強誘電体キャパシタを備えた半導体装置 |
JP2004260062A (ja) * | 2003-02-27 | 2004-09-16 | Fujitsu Ltd | 半導体装置及びその製造方法 |
JP2005026331A (ja) * | 2003-06-30 | 2005-01-27 | Seiko Epson Corp | 半導体装置及びその製造方法 |
JP2005327989A (ja) * | 2004-05-17 | 2005-11-24 | Toshiba Corp | 半導体装置及びその製造方法 |
Also Published As
Publication number | Publication date |
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WO2007060735A1 (ja) | 2007-05-31 |
KR20080059666A (ko) | 2008-06-30 |
JPWO2007060735A1 (ja) | 2009-05-07 |
US8558294B2 (en) | 2013-10-15 |
US20080224194A1 (en) | 2008-09-18 |
CN101313401B (zh) | 2012-05-09 |
CN101313401A (zh) | 2008-11-26 |
KR101026170B1 (ko) | 2011-04-05 |
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