KR100581244B1 - 반도체 장치의 제조 방법 - Google Patents
반도체 장치의 제조 방법 Download PDFInfo
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- KR100581244B1 KR100581244B1 KR1020000013986A KR20000013986A KR100581244B1 KR 100581244 B1 KR100581244 B1 KR 100581244B1 KR 1020000013986 A KR1020000013986 A KR 1020000013986A KR 20000013986 A KR20000013986 A KR 20000013986A KR 100581244 B1 KR100581244 B1 KR 100581244B1
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- Prior art keywords
- film
- insulating film
- wiring
- resist
- interlayer insulating
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- 238000000034 method Methods 0.000 title claims abstract description 93
- 239000004065 semiconductor Substances 0.000 title claims abstract description 55
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 89
- 238000005530 etching Methods 0.000 claims abstract description 89
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 239000011261 inert gas Substances 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims description 137
- 229910052786 argon Inorganic materials 0.000 claims description 42
- 150000003377 silicon compounds Chemical class 0.000 claims description 20
- 229910052736 halogen Inorganic materials 0.000 claims description 16
- 150000002367 halogens Chemical class 0.000 claims description 16
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 15
- 229910052743 krypton Inorganic materials 0.000 claims description 3
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 description 137
- 239000010949 copper Substances 0.000 description 102
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 101
- 229910052802 copper Inorganic materials 0.000 description 100
- 229910052581 Si3N4 Inorganic materials 0.000 description 99
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 99
- 229910052760 oxygen Inorganic materials 0.000 description 42
- 238000004380 ashing Methods 0.000 description 41
- 229910004298 SiO 2 Inorganic materials 0.000 description 29
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 29
- 230000015572 biosynthetic process Effects 0.000 description 21
- 229910052731 fluorine Inorganic materials 0.000 description 20
- 239000011737 fluorine Substances 0.000 description 20
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 19
- 229910052710 silicon Inorganic materials 0.000 description 19
- 239000010703 silicon Substances 0.000 description 19
- 238000009413 insulation Methods 0.000 description 16
- 230000001681 protective effect Effects 0.000 description 16
- 239000010410 layer Substances 0.000 description 15
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 12
- 229910052721 tungsten Inorganic materials 0.000 description 12
- 239000010937 tungsten Substances 0.000 description 12
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 238000000206 photolithography Methods 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 150000002222 fluorine compounds Chemical class 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 230000009977 dual effect Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000000059 patterning Methods 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 239000005360 phosphosilicate glass Substances 0.000 description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 230000003667 anti-reflective effect Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- -1 argon cations Chemical class 0.000 description 1
- XJVBHCCEUWWHMI-UHFFFAOYSA-N argon(.1+) Chemical compound [Ar+] XJVBHCCEUWWHMI-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- FLWCIIGMVIPYOY-UHFFFAOYSA-N fluoro(trihydroxy)silane Chemical compound O[Si](O)(O)F FLWCIIGMVIPYOY-UHFFFAOYSA-N 0.000 description 1
- 229940104869 fluorosilicate Drugs 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance 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
- H01L21/30—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
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
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- 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
- H01L21/02041—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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- H01L21/02—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
- H01L21/30—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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- H01L21/71—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
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- 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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- H01L21/71—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
- H01L21/76808—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 involving intermediate temporary filling with material
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- 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
- H01L21/7681—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 involving one or more buried masks
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- 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
- H01L21/76813—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 involving a partial via etch
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- 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
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Abstract
Description
Claims (5)
- 반도체 기판의 위쪽에 절연막을 형성하는 공정과,상기 절연막 상에 레지스트를 도포하는 공정과,상기 레지스트에 다마신 구조를 제조하기 위한 배선 패턴용 창을 형성하는 공정과,상기 배선 패턴용 창을 통해서 상기 절연막을 에칭함으로써 다마신 구조를 제조하기 위한 배선용 홈을 형성하고, 이로써 반응 생성물이 상기 배선 패턴용 창의 내면에 형성되는 공정과,상기 절연막의 상면으로부터 상기 레지스트를 제거하고, 이때에 상기 반응 생성물이 상기 배선 패턴용 창의 내면에 남게 되는 공정과,아르곤(Ar), 크립톤(Kr) 및 크세논(Xe)의 군으로부터 선택된 불활성 가스를 사용한 할로겐을 함유하지 않은 플라즈마 분위기에 상기 절연막을 노출시킴으로써, 레지스트를 제거한 후에 상기 절연막 상에 존재하는 상기 반응 생성물을 제거하는 공정과,상기 배선용 홈에 금속막을 매립하는 공정을 갖는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 플라즈마 분위기는 상기 불활성 가스와 상기 할로겐 이외의 가스와의 혼합 가스의 플라즈마 분위기 또는 상기 불활성 가스 단체의 플라즈마 분위기인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 절연막은 각각의 에칭 특성이 서로 다른 2 개 이상의 층으로 구성된 막을 포함하는 반도체 장치의 제조 방법.
- 제1항에 있어서,상기 절연막은 실리콘 화합물인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 반도체 기판의 위쪽에 제1 절연막을 통하여 제1 배선을 형성하는 공정과,상기 제1 배선을 덮는 에칭 스토퍼막과 제2 절연막과 제3 절연막을 형성하는 공정과,상기 제3 절연막 상에, 상기 제1 배선 상에 위치하는 영역에 일부가 겹치는 다마신 구조를 형성하기 위한 배선 패턴용 창을 갖는 레지스트를 형성하는 공정과,상기 레지스트를 마스크로 사용하여 상기 제3 절연막을 에칭함으로써 상기 제3 절연막에 다마신 구조를 제조하기 위한 배선용 홈을 형성하고, 이로써 반응 생성물이 상기 배선 패턴용 창의 내면에 형성되는 공정과,상기 레지스트를 제거하고, 이때 상기 반응 생성물이 상기 배선 패턴용 창의 내면에 남게 되는 공정과,아르곤(Ar), 크립톤(Kr) 및 크세논(Xe)의 군으로부터 선택된 불활성 가스를 사용한 할로겐을 함유하지 않은 플라즈마 분위기에 상기 절연막을 노출시킴으로써, 상기 레지스트를 제거한 후에 상기 제 3 절연막 상에 존재하는 상기 반응 생성물을 제거하는 공정과,상기 제2 절연막을 에칭함으로써 비아 홀을 형성하는 공정과,상기 비아 홀 아래의 상기 에칭 스토퍼막을 제거하는 공정과,상기 배선용 홈과 상기 비아 홀에 금속막을 매립함으로써, 비아와 제2 배선을 형성하는 공정을 갖는 것을 특징으로 하는 반도체 장치의 제조 방법.
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US (1) | US6627554B1 (ko) |
JP (1) | JP4108228B2 (ko) |
KR (1) | KR100581244B1 (ko) |
TW (1) | TW441122B (ko) |
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JP2002353205A (ja) * | 2000-08-28 | 2002-12-06 | Mitsubishi Electric Corp | 半導体装置の製造方法およびそれに用いられるウェハ処理装置並びに半導体装置 |
JP2002164428A (ja) * | 2000-11-29 | 2002-06-07 | Hitachi Ltd | 半導体装置およびその製造方法 |
US7172960B2 (en) * | 2000-12-27 | 2007-02-06 | Intel Corporation | Multi-layer film stack for extinction of substrate reflections during patterning |
JP2002319617A (ja) * | 2001-04-24 | 2002-10-31 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
JP3780189B2 (ja) * | 2001-09-25 | 2006-05-31 | 富士通株式会社 | 半導体装置の製造方法及び半導体装置 |
JP2003273212A (ja) | 2002-03-14 | 2003-09-26 | Fujitsu Ltd | 積層構造体およびその製造方法 |
US7687917B2 (en) | 2002-05-08 | 2010-03-30 | Nec Electronics Corporation | Single damascene structure semiconductor device having silicon-diffused metal wiring layer |
TWI288443B (en) | 2002-05-17 | 2007-10-11 | Semiconductor Energy Lab | SiN film, semiconductor device, and the manufacturing method thereof |
JP4250006B2 (ja) | 2002-06-06 | 2009-04-08 | 富士通マイクロエレクトロニクス株式会社 | 半導体装置及びその製造方法 |
JP2004071696A (ja) * | 2002-08-02 | 2004-03-04 | Semiconductor Energy Lab Co Ltd | 半導体装置及びその作製方法 |
JP2005277375A (ja) * | 2004-02-27 | 2005-10-06 | Nec Electronics Corp | 半導体装置の製造方法 |
US9245797B2 (en) | 2013-08-19 | 2016-01-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Opening fill process and structure formed thereby |
JP6960839B2 (ja) * | 2017-12-13 | 2021-11-05 | 東京エレクトロン株式会社 | 半導体装置の製造方法 |
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JP4108228B2 (ja) | 2008-06-25 |
TW441122B (en) | 2001-06-16 |
US6627554B1 (en) | 2003-09-30 |
KR20010014608A (ko) | 2001-02-26 |
JP2001036066A (ja) | 2001-02-09 |
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