KR100597155B1 - 반도체 장치의 제조 방법 - Google Patents
반도체 장치의 제조 방법 Download PDFInfo
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- KR100597155B1 KR100597155B1 KR1020030065936A KR20030065936A KR100597155B1 KR 100597155 B1 KR100597155 B1 KR 100597155B1 KR 1020030065936 A KR1020030065936 A KR 1020030065936A KR 20030065936 A KR20030065936 A KR 20030065936A KR 100597155 B1 KR100597155 B1 KR 100597155B1
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- copper
- insulating film
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- fluorine
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 141
- 239000010949 copper Substances 0.000 claims abstract description 139
- 229910052802 copper Inorganic materials 0.000 claims abstract description 137
- 239000010410 layer Substances 0.000 claims abstract description 116
- 238000000034 method Methods 0.000 claims abstract description 79
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 52
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 47
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000011737 fluorine Substances 0.000 claims abstract description 45
- 239000011229 interlayer Substances 0.000 claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 238000009832 plasma treatment Methods 0.000 claims abstract description 15
- 239000000356 contaminant Substances 0.000 claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 65
- 238000005530 etching Methods 0.000 claims description 59
- 230000004888 barrier function Effects 0.000 claims description 41
- 125000001153 fluoro group Chemical group F* 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 125000004433 nitrogen atom Chemical group N* 0.000 claims 1
- 229920006254 polymer film Polymers 0.000 abstract description 13
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 239000010408 film Substances 0.000 description 156
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 47
- 229910052786 argon Inorganic materials 0.000 description 27
- 239000001301 oxygen Substances 0.000 description 25
- 229910052760 oxygen Inorganic materials 0.000 description 25
- 238000004140 cleaning Methods 0.000 description 20
- -1 argon ions Chemical class 0.000 description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 18
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 14
- 238000007254 oxidation reaction Methods 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 230000003647 oxidation Effects 0.000 description 11
- 229910052814 silicon oxide Inorganic materials 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 7
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 229910001882 dioxygen Inorganic materials 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 7
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 7
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 238000007872 degassing Methods 0.000 description 5
- 230000001939 inductive effect Effects 0.000 description 5
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000001020 plasma etching Methods 0.000 description 4
- ZVJOQYFQSQJDDX-UHFFFAOYSA-N 1,1,2,3,3,4,4,4-octafluorobut-1-ene Chemical compound FC(F)=C(F)C(F)(F)C(F)(F)F ZVJOQYFQSQJDDX-UHFFFAOYSA-N 0.000 description 3
- LGPPATCNSOSOQH-UHFFFAOYSA-N 1,1,2,3,4,4-hexafluorobuta-1,3-diene Chemical compound FC(F)=C(F)C(F)=C(F)F LGPPATCNSOSOQH-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910000365 copper sulfate Inorganic materials 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- 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
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- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/0206—Cleaning during device manufacture during, before or after processing of insulating layers
- H01L21/02063—Cleaning during device manufacture during, before or after processing of insulating layers the processing being the formation of vias or contact holes
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
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- 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
- H01L21/76807—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 for dual damascene structures
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- 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
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
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Abstract
Description
Claims (6)
- 구리 배선을 갖는 반도체 장치의 제조 방법에 있어서,상기 구리 배선 위에 절연막을 형성하는 공정과,상기 절연막을 불소 함유 가스를 이용하여 에칭함으로써 상기 구리 배선에 도달하는 개공부를 형성하는 공정과,상기 개공부를 형성하는 공정 후, 플라즈마 방전을 끊지 않고서 동일 챔버 내에서 연속하여 상기 개공부의 바닥부에 노출된 구리의 표면을 대기에 노출시키기 전에 플라즈마 처리하여 불소 원자 또는 불소 함유 폴리머를 제거하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 구리 배선을 갖는 반도체 장치의 제조 방법에 있어서,상기 구리 배선 위에 절연막을 형성하는 공정과,상기 절연막을 불소 함유 가스를 이용하여 에칭함으로써 상기 구리 배선에 도달하는 개공부를 형성하는 공정과,상기 개공부의 바닥부에 노출된 구리의 표면을 대기에 노출시키기 전에 플라즈마 처리하여 불소 원자 또는 불소 함유 폴리머를 제거하는 공정을 포함하고,상기 개공부를 형성하는 공정과 상기 플라즈마 처리하는 공정을 동일 챔버 내에서 행하고,상기 개공부를 형성하는 공정 후, 플라즈마 방전을 일단 정지한 후에 상기 플라즈마 처리하는 공정을 행하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 다층 배선 구조를 갖는 반도체 장치의 제조 방법에 있어서,반도체 기판상에 제1 층간 절연막을 형성하는 공정과,상기 제1 층간 절연막에 홈을 형성하는 공정과,상기 홈의 내면에 제1 배리어 메탈층을 형성하는 공정과,상기 홈의 내부에 상기 제1 배리어 메탈층을 개재하여 제1 구리층을 매립함으로써 제1 배선층을 형성하는 공정과,상기 제1 층간 절연막 및 상기 제1 배선층 위에 질화 실리콘막을 형성하는 공정과,상기 질화 실리콘막 위에 제2 층간 절연막을 형성하는 공정과,상기 제2 층간 절연막을 에칭하여 상기 질화 실리콘막의 일부를 노출시키는 공정과,상기 노출된 질화 실리콘막을 불소 함유 가스를 이용하여 에칭함으로써 비아홀을 형성하여 상기 제1 구리층을 노출시키는 공정과,상기 노출된 제1 구리층을 대기에 노출시키기 전에 플라즈마 처리하여 불소 함유 폴리머를 포함하는 오염물을 제거하는 공정과,상기 비아홀의 내면에 제2 배리어 메탈막을 형성하는 공정과,상기 비아홀의 내부에 상기 제2 배리어 메탈막을 개재하여 제2 구리층을 매립함으로써 비아 플러그를 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 다층 배선 구조를 갖는 반도체 장치의 제조 방법에 있어서,반도체 기판상에 제1 층간 절연막을 형성하는 공정과,상기 제1 층간 절연막의 표면에 홈을 형성하는 공정과,상기 홈의 내면에 제1 배리어 메탈층을 형성하는 공정과,상기 홈의 내부에 상기 제1 배리어 메탈층을 개재하여 제1 구리층을 매립함으로써 배선을 형성하는 공정과,상기 제1 층간 절연막 및 상기 배선 위에 절연막을 형성하는 공정과,상기 절연막 위에 제2 층간 절연막을 형성하는 공정과,상기 제2 층간 절연막을 에칭하여 비아 홀을 형성하고, 상기 절연막의 일부를 노출시키는 공정과,상기 노출된 절연막을 에칭하여 상기 배선을 노출시키는 공정과,상기 노출된 배선의 표면을 대기에 노출시키기 전에 플라즈마 처리하여 불소 원자 또는 불소 함유 폴리머를 제거하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제4항에 있어서,상기 플라즈마 처리는, 질소 원자를 포함하는 가스에 의한 플라즈마 방전을 이용하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제4항에 있어서,상기 절연막은 질화 실리콘막인 것을 특징으로 하는 반도체 장치의 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003038320A JP2004247675A (ja) | 2003-02-17 | 2003-02-17 | 半導体装置の製造方法 |
JPJP-P-2003-00038320 | 2003-02-17 |
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Publication Number | Publication Date |
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KR20040074899A KR20040074899A (ko) | 2004-08-26 |
KR100597155B1 true KR100597155B1 (ko) | 2006-07-05 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020030065936A KR100597155B1 (ko) | 2003-02-17 | 2003-09-23 | 반도체 장치의 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (3) | US7098139B2 (ko) |
JP (1) | JP2004247675A (ko) |
KR (1) | KR100597155B1 (ko) |
CN (3) | CN101179048A (ko) |
DE (1) | DE10340848A1 (ko) |
TW (1) | TWI240366B (ko) |
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JP2004247675A (ja) * | 2003-02-17 | 2004-09-02 | Renesas Technology Corp | 半導体装置の製造方法 |
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JP4159584B2 (ja) * | 2006-06-20 | 2008-10-01 | エルピーダメモリ株式会社 | 半導体装置の製造方法 |
JP4550786B2 (ja) | 2006-08-21 | 2010-09-22 | 株式会社東芝 | 半導体装置の製造方法 |
CN101286473B (zh) * | 2007-04-13 | 2010-08-11 | 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 |
JP5465897B2 (ja) * | 2009-03-05 | 2014-04-09 | ルネサスエレクトロニクス株式会社 | 半導体集積回路装置の製造方法 |
JP2010056574A (ja) * | 2009-12-07 | 2010-03-11 | Nec Electronics Corp | 半導体装置の製造方法 |
CN103377913B (zh) * | 2012-04-18 | 2016-08-31 | 中芯国际集成电路制造(上海)有限公司 | 开口的形成方法 |
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2003
- 2003-02-17 JP JP2003038320A patent/JP2004247675A/ja active Pending
- 2003-06-19 US US10/464,790 patent/US7098139B2/en not_active Expired - Lifetime
- 2003-08-05 TW TW092121363A patent/TWI240366B/zh not_active IP Right Cessation
- 2003-09-04 DE DE10340848A patent/DE10340848A1/de not_active Withdrawn
- 2003-09-23 CN CNA2007101427540A patent/CN101179048A/zh active Pending
- 2003-09-23 CN CNA2007100040418A patent/CN1992200A/zh active Pending
- 2003-09-23 KR KR1020030065936A patent/KR100597155B1/ko active IP Right Grant
- 2003-09-23 CN CNB031249876A patent/CN100343975C/zh not_active Expired - Fee Related
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- 2006-07-20 US US11/489,471 patent/US7462565B2/en not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
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TW200416945A (en) | 2004-09-01 |
US7462565B2 (en) | 2008-12-09 |
KR20040074899A (ko) | 2004-08-26 |
CN1523656A (zh) | 2004-08-25 |
CN101179048A (zh) | 2008-05-14 |
US20060258160A1 (en) | 2006-11-16 |
DE10340848A1 (de) | 2004-08-26 |
US7098139B2 (en) | 2006-08-29 |
JP2004247675A (ja) | 2004-09-02 |
TWI240366B (en) | 2005-09-21 |
US20040161942A1 (en) | 2004-08-19 |
CN1992200A (zh) | 2007-07-04 |
CN100343975C (zh) | 2007-10-17 |
US20090075479A1 (en) | 2009-03-19 |
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