JP4671614B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP4671614B2 JP4671614B2 JP2004058660A JP2004058660A JP4671614B2 JP 4671614 B2 JP4671614 B2 JP 4671614B2 JP 2004058660 A JP2004058660 A JP 2004058660A JP 2004058660 A JP2004058660 A JP 2004058660A JP 4671614 B2 JP4671614 B2 JP 4671614B2
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- Prior art keywords
- insulating film
- interlayer insulating
- gate electrode
- region
- semiconductor device
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- Expired - Lifetime
Links
- 239000004065 semiconductor Substances 0.000 title claims description 79
- 239000011229 interlayer Substances 0.000 claims description 213
- 239000012535 impurity Substances 0.000 claims description 74
- 239000000758 substrate Substances 0.000 claims description 59
- 238000002955 isolation Methods 0.000 claims description 46
- 229960001716 benzalkonium Drugs 0.000 claims 1
- CYDRXTMLKJDRQH-UHFFFAOYSA-N benzododecinium Chemical compound CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 CYDRXTMLKJDRQH-UHFFFAOYSA-N 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 description 64
- 230000003071 parasitic effect Effects 0.000 description 48
- 238000000034 method Methods 0.000 description 33
- 229910004298 SiO 2 Inorganic materials 0.000 description 17
- 238000005530 etching Methods 0.000 description 16
- 239000010410 layer Substances 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000003870 refractory metal Substances 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 229960001730 nitrous oxide Drugs 0.000 description 1
- 235000013842 nitrous oxide Nutrition 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- 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
- H01L27/0203—Particular design considerations for integrated circuits
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/033—Making the capacitor or connections thereto the capacitor extending over the transistor
- H10B12/0335—Making a connection between the transistor and the capacitor, e.g. plug
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/48—Data lines or contacts therefor
- H10B12/485—Bit line contacts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/902—FET with metal source region
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Semiconductor Memories (AREA)
Description
以下、本発明の第1の実施形態に係る半導体装置及びその製造方法について、図面を参照しながら説明する。
以下、第1の実施形態の変形例について説明する。
以下、本発明の第2の実施形態について、図面を参照しながら説明する。
101 素子分離領域
102a、102b ゲート電極
103 ゲート絶縁膜
104a、104b 不純物拡散領域
105 第1の層間絶縁膜
105A 層間絶縁膜
106 第2の層間絶縁膜
106A プラズマCVD法によって形成する層間絶縁膜
106B 高密度プラズマCVD法によって形成する層間絶縁膜
107a〜107d コンタクトプラグ
108a〜108c ダミーゲート
109a〜109c 中空領域
110 第1のコンタクトホール
111 第2のコンタクトホール
112 LDD領域
113 サイドウォール
114 ライナーエッチ層
TN1、TN2 NMOSトランジスタ
10 基板
11 素子分離領域
12a、12b ゲート電極
13 ゲート絶縁膜
14a〜14c N型不純物拡散領域
15a〜15e ダミーゲート
16 層間絶縁膜
17a〜17f コンタクトプラグ
18 P型不純物拡散領域
TNa〜TNc NMOSトランジスタ
TP PMOSトランジスタ
Claims (9)
- 基板上に形成された第1のゲート電極および第2のゲート電極と、
前記基板上における前記第1のゲート電極および第2のゲート電極の両側にそれぞれ形成された不純物領域と、
前記第1のゲート電極を覆うように形成された第1の層間絶縁膜と、
前記第2のゲート電極を覆うように形成された第2の層間絶縁膜と、
前記基板の主面方向において前記第1の層間絶縁膜と前記第2の層間絶縁膜との間に形成された第3の層間絶縁膜とを備え、
前記第3の層間絶縁膜は前記第1の層間絶縁膜および前記第2の層間絶縁膜よりも誘電率が低く、
前記第1の層間絶縁膜の誘電率と前記第2の層間絶縁膜の誘電率は同じであることを特徴とする半導体装置。 - 前記基板の前記第1のゲート電極両側の領域に形成されたLDD(Lightly Doped Drain)領域と、
前記第1のゲート電極両側に形成されたサイドウォールと、
前記基板、前記第1のゲート電極及び前記サイドウォールを覆うように形成されたライナーエッチ膜とを更に備えていることを特徴とする請求項1に記載の半導体装置。 - 前記第3の層間絶縁膜が前記不純物領域上に形成されていることを特徴とする請求項1又は2に記載の半導体装置。
- 前記基板上に前記不純物領域を囲むように形成された素子分離領域をさらに備えていることを特徴とする請求項1又は2に記載の半導体装置。
- 前記第3の層間絶縁膜が前記素子分離領域上に形成されていることを特徴とする請求項4に記載の半導体装置。
- 前記第3の層間絶縁膜が前記不純物領域及び前記素子分離領域にまたがって形成されていることを特徴とする請求項4に記載の半導体装置。
- 前記第1の層間絶縁膜に、前記不純物領域に達する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1〜6のいずれか一つに記載の半導体装置。
- 前記第3の層間絶縁膜に、前記不純物領域に達する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1〜6のいずれか一つに記載の半導体装置。
- 前記第1の層間絶縁膜及び前記第3の層間絶縁膜にまたがって、前記不純物領域に達する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1〜6のいずれか一つに記載の半導体装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004058660A JP4671614B2 (ja) | 2004-03-03 | 2004-03-03 | 半導体装置 |
US11/068,807 US7259432B2 (en) | 2004-03-03 | 2005-03-02 | Semiconductor device for reducing parasitic capacitance produced in the vicinity of a transistor located within the semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004058660A JP4671614B2 (ja) | 2004-03-03 | 2004-03-03 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005251896A JP2005251896A (ja) | 2005-09-15 |
JP4671614B2 true JP4671614B2 (ja) | 2011-04-20 |
Family
ID=34909133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004058660A Expired - Lifetime JP4671614B2 (ja) | 2004-03-03 | 2004-03-03 | 半導体装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7259432B2 (ja) |
JP (1) | JP4671614B2 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4711894B2 (ja) * | 2006-06-09 | 2011-06-29 | 株式会社東芝 | 半導体装置 |
GB2439759A (en) * | 2006-06-30 | 2008-01-09 | X Fab Uk Ltd | RF-CMOS transistor array |
US7968952B2 (en) * | 2006-12-29 | 2011-06-28 | Intel Corporation | Stressed barrier plug slot contact structure for transistor performance enhancement |
JP2009170807A (ja) * | 2008-01-18 | 2009-07-30 | Elpida Memory Inc | ダミーゲートパターンを備える半導体装置 |
US8253198B2 (en) | 2009-07-30 | 2012-08-28 | Micron Technology | Devices for shielding a signal line over an active region |
US8963223B2 (en) * | 2010-03-01 | 2015-02-24 | Broadcom Corporation | Scalable integrated MIM capacitor using gate metal |
JP2011233807A (ja) * | 2010-04-30 | 2011-11-17 | Panasonic Corp | 半導体装置およびその製造方法 |
US8685808B2 (en) * | 2011-09-28 | 2014-04-01 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device fabrication method |
US9236379B2 (en) | 2011-09-28 | 2016-01-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device and fabrication method thereof |
US8739078B2 (en) * | 2012-01-18 | 2014-05-27 | International Business Machines Corporation | Near-neighbor trimming of dummy fill shapes with built-in optical proximity corrections for semiconductor applications |
JP2017130529A (ja) * | 2016-01-19 | 2017-07-27 | 株式会社東芝 | 半導体装置及びその製造方法 |
CN109904112B (zh) * | 2017-12-11 | 2021-01-12 | 中芯国际集成电路制造(北京)有限公司 | 半导体装置及其制造方法 |
Citations (5)
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JPH05175195A (ja) * | 1991-12-20 | 1993-07-13 | Fujitsu Ltd | 半導体装置の製造方法 |
JPH0917775A (ja) * | 1995-07-03 | 1997-01-17 | Sony Corp | 半導体装置の製造方法 |
JPH09237842A (ja) * | 1996-03-01 | 1997-09-09 | Hitachi Ltd | 半導体集積回路装置およびその製造方法 |
JPH11154675A (ja) * | 1997-11-20 | 1999-06-08 | Toshiba Corp | 半導体装置及びその製造方法 |
JP2003243649A (ja) * | 2002-02-18 | 2003-08-29 | Matsushita Electric Ind Co Ltd | 半導体装置の製造方法 |
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2004
- 2004-03-03 JP JP2004058660A patent/JP4671614B2/ja not_active Expired - Lifetime
-
2005
- 2005-03-02 US US11/068,807 patent/US7259432B2/en active Active
Patent Citations (5)
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JPH05175195A (ja) * | 1991-12-20 | 1993-07-13 | Fujitsu Ltd | 半導体装置の製造方法 |
JPH0917775A (ja) * | 1995-07-03 | 1997-01-17 | Sony Corp | 半導体装置の製造方法 |
JPH09237842A (ja) * | 1996-03-01 | 1997-09-09 | Hitachi Ltd | 半導体集積回路装置およびその製造方法 |
JPH11154675A (ja) * | 1997-11-20 | 1999-06-08 | Toshiba Corp | 半導体装置及びその製造方法 |
JP2003243649A (ja) * | 2002-02-18 | 2003-08-29 | Matsushita Electric Ind Co Ltd | 半導体装置の製造方法 |
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Publication number | Publication date |
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US20050194637A1 (en) | 2005-09-08 |
JP2005251896A (ja) | 2005-09-15 |
US7259432B2 (en) | 2007-08-21 |
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