KR20050006472A - 반도체 소자의 구리 배선 형성 방법 - Google Patents
반도체 소자의 구리 배선 형성 방법 Download PDFInfo
- Publication number
- KR20050006472A KR20050006472A KR1020030046295A KR20030046295A KR20050006472A KR 20050006472 A KR20050006472 A KR 20050006472A KR 1020030046295 A KR1020030046295 A KR 1020030046295A KR 20030046295 A KR20030046295 A KR 20030046295A KR 20050006472 A KR20050006472 A KR 20050006472A
- Authority
- KR
- South Korea
- Prior art keywords
- copper
- layer
- forming
- metal element
- copper wiring
- Prior art date
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 105
- 239000010949 copper Substances 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000004065 semiconductor Substances 0.000 title claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 102
- 229910052751 metal Inorganic materials 0.000 claims abstract description 45
- 239000002184 metal Substances 0.000 claims abstract description 43
- 238000009792 diffusion process Methods 0.000 claims abstract description 42
- 230000003405 preventing effect Effects 0.000 claims abstract description 29
- 239000011229 interlayer Substances 0.000 claims abstract description 26
- 238000005498 polishing Methods 0.000 claims abstract description 20
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 15
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 15
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910052718 tin Inorganic materials 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000009832 plasma treatment Methods 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000002513 implantation Methods 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 2
- 239000005751 Copper oxide Substances 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 229910000431 copper oxide Inorganic materials 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 13
- 238000000151 deposition Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract 6
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 238000005240 physical vapour deposition Methods 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- 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
- H01L21/76838—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 conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76867—Barrier, adhesion or liner layers characterized by methods of formation other than PVD, CVD or deposition from a liquids
-
- 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
- H01L21/76829—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
- H01L21/76832—Multiple 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
-
- 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
- H01L21/76838—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 conductors
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
- H01L21/76849—Barrier, adhesion or liner layers formed in openings in a dielectric the layer being positioned on top of the main fill metal
-
- 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
- H01L21/76838—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 conductors
- H01L21/76886—Modifying permanently or temporarily the pattern or the conductivity of conductive members, e.g. formation of alloys, reduction of contact resistances
-
- 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
- H01L21/76838—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 conductors
- H01L21/76886—Modifying permanently or temporarily the pattern or the conductivity of conductive members, e.g. formation of alloys, reduction of contact resistances
- H01L21/76888—By rendering at least a portion of the conductor non conductive, e.g. oxidation
Landscapes
- 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)
- Electrodes Of Semiconductors (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (8)
- 기판 상에 제 1 층간 절연막 및 연마 정지층을 형성하는 단계;상기 연마 정지층 및 제 1 층간 절연막을 식각하여 다마신 패턴을 형성하는 단계;상기 다마신 패턴을 포함한 상기 연마 정지층 상에 구리 확산 방지 도전막 및 구리층을 형성하는 단계;상기 다마신 패턴 내에 구리 배선을 형성하는 단계;상기 구리 배선을 포함한 전체 구조의 표면에 금속 원소 도핑층을 형성하는 단계; 및상기 금속 원소 도핑층이 형성된 전체 구조 상부에 구리 확산 방지 절연막 및 제 2 층간 절연막을 형성하고, 이들 절연막 증착시의 열에 의해 상기 구리 배선과 상기 구리 확산 방지 절연막 계면에서는 구리 합금층 및 산화금속층이 형성되고, 상기 구리 배선 주변의 층들과 상기 구리 확산 방지 절연막 계면에는 산화금속층이 형성되는 단계를 포함하는 반도체 소자의 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 금속 원소 도핑층은 임플랜테이션 방법이나 플라즈마 도핑 방법으로 특정 금속 원소를 도핑시켜 형성하되, 상기 구리 합금층의 두께가 50 ~ 500 Å으로형성되도록 그 깊이와 농도를 조절하여 형성하는 반도체 소자의 구리 배선 형성 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 금속 원소 도핑층은 특정 금속 원소의 농도가 1 ~ 10%가 되도록 형성하는 반도체 소자의 구리 배선 형성 방법.
- 제 2 항에 있어서,상기 특정 금속 원소는 Mg, Cd, Be, Sn, Pd 와 같은 금속 원소인 반도체 소자의 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 구리 배선 표면에 생성되는 구리 산화층을 제거하기 위하여, 상기 금속 원소 도핑층을 형성하기 전단계, 형성하는 단계 및 형성한 후단계중 적어도 어느 한 단계에서 플라즈마 처리를 실시하는 반도체 소자의 구리 배선 형성 방법.
- 제 5 항에 있어서,상기 플라즈마 처리는 질소와 수소를 함유한 혼합가스 또는 암모니아 계열 가스를 사용하여 100 ~ 350℃의 온도 범위에서 실시하는 반도체 소자의 구리 배선 형성 방법.
- 제 1 항에 있어서,상기 제 2 층간 절연막 형성 후에 상기 구리 합금층 및 상기 산화금속층의 형성을 위한 열처리 공정을 실시하는 반도체 소자의 구리 배선 형성 방법.
- 제 7 항에 있어서,상기 열처리 공정은 100 ~ 500 ℃의 온도 범위에서 실시하는 반도체 소자의 구리 배선 형성 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030046295A KR100546209B1 (ko) | 2003-07-09 | 2003-07-09 | 반도체 소자의 구리 배선 형성 방법 |
JP2003389232A JP4482313B2 (ja) | 2003-07-09 | 2003-11-19 | 半導体素子の銅配線形成方法 |
US10/720,849 US7087524B2 (en) | 2003-07-09 | 2003-11-24 | Method of forming copper wiring in semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030046295A KR100546209B1 (ko) | 2003-07-09 | 2003-07-09 | 반도체 소자의 구리 배선 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050006472A true KR20050006472A (ko) | 2005-01-17 |
KR100546209B1 KR100546209B1 (ko) | 2006-01-24 |
Family
ID=33562948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030046295A KR100546209B1 (ko) | 2003-07-09 | 2003-07-09 | 반도체 소자의 구리 배선 형성 방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7087524B2 (ko) |
JP (1) | JP4482313B2 (ko) |
KR (1) | KR100546209B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100758890B1 (ko) * | 2005-12-28 | 2007-09-19 | 후지쯔 가부시끼가이샤 | 반도체 장치의 제조 방법 및 자기 헤드의 제조 방법 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7402519B2 (en) | 2005-06-03 | 2008-07-22 | Intel Corporation | Interconnects having sealing structures to enable selective metal capping layers |
WO2008074672A1 (en) * | 2006-12-20 | 2008-06-26 | Nxp B.V. | Improving adhesion of diffusion barrier on cu containing interconnect element |
US8764961B2 (en) * | 2008-01-15 | 2014-07-01 | Applied Materials, Inc. | Cu surface plasma treatment to improve gapfill window |
DE102008007001B4 (de) * | 2008-01-31 | 2016-09-22 | Globalfoundries Dresden Module One Limited Liability Company & Co. Kg | Vergrößern des Widerstandsverhaltens gegenüber Elektromigration in einer Verbindungsstruktur eines Halbleiterbauelements durch Bilden einer Legierung |
US8043976B2 (en) * | 2008-03-24 | 2011-10-25 | Air Products And Chemicals, Inc. | Adhesion to copper and copper electromigration resistance |
JP2010045161A (ja) * | 2008-08-12 | 2010-02-25 | Toshiba Corp | 半導体装置およびその製造方法 |
US8358007B2 (en) * | 2009-06-11 | 2013-01-22 | Globalfoundries Singapore Pte. Ltd. | Integrated circuit system employing low-k dielectrics and method of manufacture thereof |
CN102763203B (zh) | 2010-02-26 | 2016-10-26 | 株式会社半导体能源研究所 | 制造半导体装置的方法 |
WO2011132625A1 (en) | 2010-04-23 | 2011-10-27 | Semiconductor Energy Laboratory Co., Ltd. | Manufacturing method of semiconductor device |
CN102903666B (zh) * | 2011-07-25 | 2015-04-01 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件的制造方法 |
US20140273436A1 (en) * | 2013-03-15 | 2014-09-18 | Globalfoundries Inc. | Methods of forming barrier layers for conductive copper structures |
US9425092B2 (en) * | 2013-03-15 | 2016-08-23 | Applied Materials, Inc. | Methods for producing interconnects in semiconductor devices |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW521323B (en) * | 1999-03-19 | 2003-02-21 | Tokyo Electron Ltd | Semiconductor device and the manufacturing method thereof |
US6800554B2 (en) | 2000-12-18 | 2004-10-05 | Intel Corporation | Copper alloys for interconnections having improved electromigration characteristics and methods of making same |
US6815331B2 (en) * | 2001-05-17 | 2004-11-09 | Samsung Electronics Co., Ltd. | Method for forming metal wiring layer of semiconductor device |
-
2003
- 2003-07-09 KR KR1020030046295A patent/KR100546209B1/ko active IP Right Grant
- 2003-11-19 JP JP2003389232A patent/JP4482313B2/ja not_active Expired - Lifetime
- 2003-11-24 US US10/720,849 patent/US7087524B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100758890B1 (ko) * | 2005-12-28 | 2007-09-19 | 후지쯔 가부시끼가이샤 | 반도체 장치의 제조 방법 및 자기 헤드의 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR100546209B1 (ko) | 2006-01-24 |
US7087524B2 (en) | 2006-08-08 |
JP2005033160A (ja) | 2005-02-03 |
JP4482313B2 (ja) | 2010-06-16 |
US20050009331A1 (en) | 2005-01-13 |
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