JP2006093330A - 半導体装置およびその製造方法 - Google Patents
半導体装置およびその製造方法 Download PDFInfo
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- JP2006093330A JP2006093330A JP2004275565A JP2004275565A JP2006093330A JP 2006093330 A JP2006093330 A JP 2006093330A JP 2004275565 A JP2004275565 A JP 2004275565A JP 2004275565 A JP2004275565 A JP 2004275565A JP 2006093330 A JP2006093330 A JP 2006093330A
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- etching stopper
- film
- stopper film
- etching
- conductive layer
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000005530 etching Methods 0.000 claims abstract description 107
- 239000010410 layer Substances 0.000 claims abstract description 55
- 239000011229 interlayer Substances 0.000 claims abstract description 48
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76834—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers formation of thin insulating films on the sidewalls or on top of conductors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Drying Of Semiconductors (AREA)
Abstract
【解決手段】 層間絶縁膜1の上にエッチングストッパ膜2が形成される。エッチングストッパ膜2の上に導電層3が形成される。導電層3を覆うようにエッチングストッパ膜4が形成される。エッチングストッパ膜4の上には層間絶縁膜5が形成される。前述の構造においては、まず、第1のエッチング条件で、層間絶縁膜5を上下に貫通し、エッチングストッパ膜4の表面を露出させるホールが形成される。その後、第2のエッチング条件で、そのホールの底面を構成するエッチングストッパ膜4が除去され、導電層3に至るホールが形成される。ホールに接続配線8が埋め込まれる。
【選択図】 図1
Description
Claims (4)
- 第1の層間絶縁膜と、
前記第1の層間絶縁膜の上に形成された第1のエッチングストッパ膜と、
前記第1のエッチングストッパ膜の上に形成された導電層と、
少なくとも前記第1のエッチングストッパ膜を覆うように形成された第2のエッチングストッパ膜と、
前記第2のエッチングストッパ膜および前記導電層を覆うように形成された第2の層間絶縁膜と、
前記第2の層間絶縁膜を厚さ方向に貫通し、前記導電層に接触するように形成された接続配線とを備えた、半導体装置。 - 前記第1のエッチングストッパ膜および前記第2のエッチングストッパ膜は、それぞれ、シリコン窒化膜およびシリコンリッチ酸化膜のうちのいずれか一方を含む、請求項1に記載の半導体装置。
- 第1の絶縁膜を形成するステップと、
前記第1の絶縁膜の上に第1のエッチングストッパ膜を形成するステップと、
前記第1のエッチングストッパ膜の上に導電層を形成するステップと、
前記第1のエッチングストッパ膜および前記導電層を覆うように第2のエッチングストッパ膜を形成するステップと、
前記第2のエッチングストッパ膜の上に第2の層間絶縁膜を形成するステップと、
前記第2の層間絶縁膜を厚さ方向に貫通し、前記導電層に至るホールを形成するステップと、
前記ホール内に接続配線を形成するステップとを備え、
前記ホールを形成するステップは、
第1のエッチング条件で前記第2の層間絶縁膜をエッチングするステップと、
前記第1のエッチング条件とは異なる第2のエッチング条件で、前記第2のエッチングストッパ膜をエッチングするステップとを有する、半導体装置の製造方法。 - 前記第1のエッチングストッパ膜および前記第2のエッチングストッパ膜は、それぞれ、シリコン窒化膜およびシリコンリッチ酸化膜のうちのいずれか一方を含む、請求項3に記載の半導体装置の製造方法。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004275565A JP2006093330A (ja) | 2004-09-22 | 2004-09-22 | 半導体装置およびその製造方法 |
TW094131784A TW200618177A (en) | 2004-09-22 | 2005-09-15 | Semiconductor device and manufacturing method thereof |
US11/229,550 US7301237B2 (en) | 2004-09-22 | 2005-09-20 | Semiconductor device |
KR1020050087804A KR20060051496A (ko) | 2004-09-22 | 2005-09-21 | 반도체 장치 및 그 제조방법 |
CN200910139117A CN101546748A (zh) | 2004-09-22 | 2005-09-22 | 半导体装置及其制造方法 |
CNB2005101063761A CN100499068C (zh) | 2004-09-22 | 2005-09-22 | 半导体装置及其制造方法 |
US11/907,438 US7465662B2 (en) | 2004-09-22 | 2007-10-12 | Method of making semiconductor device |
US12/273,795 US20090137114A1 (en) | 2004-09-22 | 2008-11-19 | Method of making semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004275565A JP2006093330A (ja) | 2004-09-22 | 2004-09-22 | 半導体装置およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006093330A true JP2006093330A (ja) | 2006-04-06 |
JP2006093330A5 JP2006093330A5 (ja) | 2007-11-01 |
Family
ID=36074618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004275565A Pending JP2006093330A (ja) | 2004-09-22 | 2004-09-22 | 半導体装置およびその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (3) | US7301237B2 (ja) |
JP (1) | JP2006093330A (ja) |
KR (1) | KR20060051496A (ja) |
CN (2) | CN100499068C (ja) |
TW (1) | TW200618177A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9391020B2 (en) * | 2014-03-31 | 2016-07-12 | Stmicroelectronics, Inc. | Interconnect structure having large self-aligned vias |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2953188B2 (ja) | 1992-04-24 | 1999-09-27 | 日本電気株式会社 | 半導体装置の製造方法 |
JP3297220B2 (ja) * | 1993-10-29 | 2002-07-02 | 株式会社東芝 | 半導体装置の製造方法および半導体装置 |
JPH097970A (ja) | 1995-06-21 | 1997-01-10 | Sanyo Electric Co Ltd | 半導体装置の製造方法 |
TW337608B (en) * | 1997-10-29 | 1998-08-01 | United Microelectronics Corp | Process for producing unlanded via |
JP2000294631A (ja) | 1999-04-05 | 2000-10-20 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
KR100303366B1 (ko) * | 1999-06-29 | 2001-11-01 | 박종섭 | 반도체 소자의 배선 형성방법 |
JP2003533025A (ja) * | 2000-04-28 | 2003-11-05 | 東京エレクトロン株式会社 | 低誘電率膜を有する半導体装置およびその製造方法 |
JP2002009152A (ja) * | 2000-06-21 | 2002-01-11 | Nec Corp | 半導体装置及びその製造方法 |
US20030148618A1 (en) * | 2002-02-07 | 2003-08-07 | Applied Materials, Inc. | Selective metal passivated copper interconnect with zero etch stops |
-
2004
- 2004-09-22 JP JP2004275565A patent/JP2006093330A/ja active Pending
-
2005
- 2005-09-15 TW TW094131784A patent/TW200618177A/zh unknown
- 2005-09-20 US US11/229,550 patent/US7301237B2/en not_active Expired - Fee Related
- 2005-09-21 KR KR1020050087804A patent/KR20060051496A/ko not_active Application Discontinuation
- 2005-09-22 CN CNB2005101063761A patent/CN100499068C/zh not_active Expired - Fee Related
- 2005-09-22 CN CN200910139117A patent/CN101546748A/zh active Pending
-
2007
- 2007-10-12 US US11/907,438 patent/US7465662B2/en not_active Expired - Fee Related
-
2008
- 2008-11-19 US US12/273,795 patent/US20090137114A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20090137114A1 (en) | 2009-05-28 |
TW200618177A (en) | 2006-06-01 |
US7465662B2 (en) | 2008-12-16 |
US7301237B2 (en) | 2007-11-27 |
KR20060051496A (ko) | 2006-05-19 |
CN101546748A (zh) | 2009-09-30 |
CN100499068C (zh) | 2009-06-10 |
US20060063372A1 (en) | 2006-03-23 |
US20080045006A1 (en) | 2008-02-21 |
CN1758425A (zh) | 2006-04-12 |
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