KR20030014614A - 연마용 조성물 및 그것을 사용한 연마 방법 - Google Patents
연마용 조성물 및 그것을 사용한 연마 방법 Download PDFInfo
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- KR20030014614A KR20030014614A KR1020020046507A KR20020046507A KR20030014614A KR 20030014614 A KR20030014614 A KR 20030014614A KR 1020020046507 A KR1020020046507 A KR 1020020046507A KR 20020046507 A KR20020046507 A KR 20020046507A KR 20030014614 A KR20030014614 A KR 20030014614A
- Authority
- KR
- South Korea
- Prior art keywords
- polishing
- group
- polishing composition
- silicon dioxide
- tungsten film
- Prior art date
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- 238000005498 polishing Methods 0.000 title claims abstract description 223
- 239000000203 mixture Substances 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 104
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 61
- 239000010937 tungsten Substances 0.000 claims abstract description 61
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 48
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 46
- 239000004065 semiconductor Substances 0.000 claims abstract description 28
- KHIWWQKSHDUIBK-UHFFFAOYSA-N periodic acid Chemical compound OI(=O)(=O)=O KHIWWQKSHDUIBK-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003002 pH adjusting agent Substances 0.000 claims abstract description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 69
- 229910021529 ammonia Inorganic materials 0.000 claims description 35
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 12
- JQWHASGSAFIOCM-UHFFFAOYSA-M sodium periodate Chemical compound [Na+].[O-]I(=O)(=O)=O JQWHASGSAFIOCM-UHFFFAOYSA-M 0.000 claims description 10
- 238000003980 solgel method Methods 0.000 claims description 10
- MLIWQXBKMZNZNF-KUHOPJCQSA-N (2e)-2,6-bis[(4-azidophenyl)methylidene]-4-methylcyclohexan-1-one Chemical compound O=C1\C(=C\C=2C=CC(=CC=2)N=[N+]=[N-])CC(C)CC1=CC1=CC=C(N=[N+]=[N-])C=C1 MLIWQXBKMZNZNF-KUHOPJCQSA-N 0.000 claims description 8
- URGYLQKORWLZAQ-UHFFFAOYSA-N azanium;periodate Chemical compound [NH4+].[O-]I(=O)(=O)=O URGYLQKORWLZAQ-UHFFFAOYSA-N 0.000 claims description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052767 actinium Inorganic materials 0.000 claims description 3
- QQINRWTZWGJFDB-UHFFFAOYSA-N actinium atom Chemical compound [Ac] QQINRWTZWGJFDB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052797 bismuth Inorganic materials 0.000 claims description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052716 thallium Inorganic materials 0.000 claims description 3
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 17
- -1 iron ions Chemical class 0.000 abstract description 17
- 229910052742 iron Inorganic materials 0.000 abstract description 15
- 239000002245 particle Substances 0.000 description 18
- 238000012360 testing method Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 14
- 230000007547 defect Effects 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 9
- 238000000227 grinding Methods 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 235000012431 wafers Nutrition 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 7
- 239000008119 colloidal silica Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000005342 ion exchange Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000009616 inductively coupled plasma Methods 0.000 description 3
- 238000007517 polishing process Methods 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 241000220259 Raphanus Species 0.000 description 2
- 235000006140 Raphanus sativus var sativus Nutrition 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- OJCDKHXKHLJDOT-UHFFFAOYSA-N fluoro hypofluorite;silicon Chemical compound [Si].FOF OJCDKHXKHLJDOT-UHFFFAOYSA-N 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000010979 pH adjustment Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000005049 silicon tetrachloride Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910020177 SiOF Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- WIGAYVXYNSVZAV-UHFFFAOYSA-N ac1lavbc Chemical compound [W].[W] WIGAYVXYNSVZAV-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004255 ion exchange chromatography Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
-
- 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
- H01L21/3105—After-treatment
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F3/00—Brightening metals by chemical means
- C23F3/04—Heavy metals
- C23F3/06—Heavy metals with acidic solutions
-
- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- 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
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
이산화규소g/ℓ | 과요오드산g/ℓ | pH 조정제 | pH | 연마속도 | 연마속도비 | ||
WÅ/min | TEOSÅ/min | ||||||
실시예 1 | 5 | 4 | 암모니아 | 5.5 | 270 | 350 | 1.30 |
실시예 2 | 10 | 4 | 암모니아 | 5.5 | 320 | 400 | 1.25 |
실시예 3 | 30 | 4 | 암모니아 | 5.5 | 480 | 550 | 1.15 |
실시예 4 | 70 | 4 | 암모니아 | 5.5 | 800 | 870 | 1.09 |
실시예 5 | 150 | 4 | 암모니아 | 5.5 | 1200 | 1300 | 1.08 |
실시예 6 | 200 | 4 | 암모니아 | 5.5 | 1350 | 1500 | 1.11 |
실시예 7 | 250 | 4 | 암모니아 | 5.5 | 1450 | 1600 | 1.10 |
실시예 8 | 70 | 1 | 암모니아 | 5.5 | 500 | 870 | 1.74 |
실시예 9 | 70 | 2 | 암모니아 | 5.5 | 610 | 880 | 1.44 |
실시예 10 | 70 | 3.5 | 암모니아 | 5.5 | 750 | 890 | 1.19 |
실시예 11 | 70 | 6 | 암모니아 | 5.5 | 970 | 900 | 0.93 |
실시예 12 | 70 | 9 | 암모니아 | 5.5 | 1220 | 910 | 0.75 |
실시예 13 | 70 | 10 | 암모니아 | 5.5 | 1350 | 910 | 0.67 |
실시예 14 | 70 | 4 | 암모니아 | 3.0 | 500 | 1900 | 3.80 |
실시예 15 | 70 | 4 | 암모니아 | 4.0 | 600 | 1400 | 2.33 |
실시예 16 | 70 | 4 | 암모니아 | 4.5 | 650 | 1250 | 1.92 |
실시예 17 | 70 | 4 | 암모니아 | 5.0 | 720 | 1080 | 1.50 |
실시예 18 | 70 | 4 | 암모니아 | 5.3 | 780 | 930 | 1.19 |
실시예 19 | 70 | 4 | 암모니아 | 5.8 | 850 | 780 | 0.92 |
실시예 20 | 70 | 4 | 암모니아 | 6.0 | 900 | 700 | 0.78 |
실시예 21 | 70 | 4 | 암모니아 | 7.0 | 1100 | 500 | 0.45 |
실시예 22 | 70 | 4 | KOH | 5.5 | 820 | 890 | 1.09 |
실시예 23 | 70 | 2 | API*1 | 5.3 | 830 | 950 | 1.14 |
실시예 24 | 70 | 2 | PPI*2 | 5.5 | 850 | 1020 | 1.20 |
비교예 1 | 70 | 4 | - | 1.3 | 300 | 2700 | 9.00 |
비교예 2 | 70 | - | 암모니아 | 9 | 200 | 1300 | 6.50 |
비교예 3 | - | 4 | 암모니아 | 5 | 180 | 30 | 0.17 |
API*1: 과요오드산암모늄, PPI*2: 과요오드산칼륨 |
이산화규소 | 질산철 첨가 | 표면철이온농도(atoms/㎠) | pH | 제조 직후 | 연마속도비 | pH | 1개월실온보관 | 연마속도비 | |||
연마속도 | 연마속도 | ||||||||||
W | TEOS | W | TEOS | ||||||||
Å/min | Å/min | Å/min | Å/min | ||||||||
실시예 4 | 졸겔법 | 무 | <1 ×1010 | 5.5 | 800 | 870 | 1.09 | 5.5 | 790 | 870 | 1.10 |
25 | 졸겔법 | 유 | 4 ×1010 | 5.5 | 810 | 870 | 1.07 | 5.8 | 650 | 870 | 1.34 |
26 | 이온 교환법 | 무 | 2 ×1011 | 5.5 | 830 | 890 | 1.07 | 6.0 | 410 | 880 | 2.15 |
원소 | 불순물 금속 함유량 (ppb) |
Al | 15000 |
Ba | 100 |
Ca | 10000 |
Cd | <100 |
Co | <100 |
Cr | 1000 |
Cu | <100 |
Fe | 13000 |
Mg | <3000 |
Mn | 100 |
Mo | <200 |
Ni | <500 |
Pb | <500 |
Sn | <2000 |
Sr | <100 |
Ti | 6000 |
V | <100 |
Zn | <1000 |
Zr | <3000 |
표면적입경(nm) | 광학식입경(nm) | 연마속도 | 연마속도비 | ||
W | TEOS | ||||
Å/min | Å/min | ||||
실시예 27 | 20 | 100 | 500 | 400 | 0.80 |
실시예 28 | 40 | 150 | 650 | 600 | 0.92 |
실시예 29 | 60 | 180 | 750 | 730 | 0.97 |
실시예 30 | 100 | 220 | 790 | 850 | 1.08 |
실시예 31 | 120 | 300 | 800 | 860 | 1.08 |
실시예 32 | 140 | 300 | 810 | 880 | 1.09 |
실시예 33 | 40 | 60 | 800 | 500 | 0.83 |
실시예 34 | 60 | 80 | 650 | 600 | 0.92 |
실시예 35 | 70 | 150 | 720 | 750 | 1.04 |
실시예 36 | 90 | 250 | 800 | 850 | 1.06 |
실시예 37 | 100 | 300 | 820 | 870 | 1.06 |
실시예 38 | 120 | 400 | 810 | 860 | 1.06 |
Claims (9)
- 하기 (a) ∼ (d) 의 각 성분을 함유하여 이루어지는 것을 특징으로 하는, 적어도 텅스텐막과 절연막을 구비하여 이루어지는 반도체 디바이스를 연마하기 위한 연마용 조성물:(a) 이산화규소,(b) 과요오드산,(c) 암모니아, 수산화칼륨, 수산화나트륨, 과요오드산암모늄, 과요오드산칼륨 및 과요오드산나트륨으로 이루어지는 군에서 선택되는 1 종류 이상의 pH 조정제 및(d) 물.
- 제 1 항에 있어서, 연마용 조성물 중에서의 2A 족, 3A 족, 4A 족, 5A 족, 6A 족, 7A 족, 8 족, 1B 족, 2B 족, 란탄족, 악티늄족, 알루미늄, 갈륨, 인듐, 탈륨, 주석, 납, 비스무트, 불소 및 염소의 각 원소의 농도가 각각 100 ppb 이하인 연마용 조성물.
- 제 1 항에 있어서, 이산화규소가 졸겔법에 의해 제조되는 이산화규소인 연마용 조성물
- 제 1 항에 있어서, 연마용 조성물의 pH 가 4.5 ∼ 7 인 연마용 조성물.
- 적어도 텅스텐막과 절연막을 구비하여 이루어지는 반도체 디바이스를 연마하는 공정에서, 하기 (a) ∼ (d) 의 각 성분을 함유하는 연마용 조성물을 사용하여 텅스텐막과 절연막을 동시에 연마하는 것을 특징으로 하는 연마 방법.(a) 이산화규소,(b) 과요오드산,(c) 암모니아, 수산화칼륨, 수산화나트륨, 과요오드산암모늄, 과요오드산칼륨 및 과요오드산나트륨으로 이루어지는 군에서 선택되는 1 종류 이상의 pH 조정제 및(d) 물.
- 제 5 항에 있어서, 연마용 조성물 중에서의 2A 족, 3A 족, 4A 족, 5A 족, 6A 족, 7A 족, 8 족, 1B 족, 2B 족, 란탄족, 악티늄족, 알루미늄, 갈륨, 인듐, 탈륨, 주석, 납, 비스무트, 불소 및 염소의 각 원소의 농도가 각각 100 ppb 이하인 연마 방법.
- 제 5 항에 있어서, 이산화규소가 졸겔법에 의해 제조되는 이산화규소인 연마 방법
- 제 5 항에 있어서, 연마용 조성물의 pH 가 4.5 ∼ 7 인 연마 방법.
- 적어도 텅스텐막과 절연막을 구비하여 이루어지는 반도체 디바이스 제조에 관한 연마 공정에서, 텅스텐막의 대부분을 제거한 후, 제 1 항에 기재된 연마용 조성물을 사용하여 마무리 연마를 실시하는 것을 특징으로 하는 반도체 디바이스의 연마 방법.
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US (1) | US6814766B2 (ko) |
EP (1) | EP1283250B1 (ko) |
JP (1) | JP4954398B2 (ko) |
KR (1) | KR100928167B1 (ko) |
CN (1) | CN1261520C (ko) |
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SG (1) | SG99407A1 (ko) |
TW (1) | TW536451B (ko) |
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KR100980607B1 (ko) * | 2007-11-08 | 2010-09-07 | 주식회사 하이닉스반도체 | 루테늄 연마용 슬러리 및 그를 이용한 연마 방법 |
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US20040140288A1 (en) * | 1996-07-25 | 2004-07-22 | Bakul Patel | Wet etch of titanium-tungsten film |
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US20030162398A1 (en) * | 2002-02-11 | 2003-08-28 | Small Robert J. | Catalytic composition for chemical-mechanical polishing, method of using same, and substrate treated with same |
CN100361277C (zh) * | 2002-03-04 | 2008-01-09 | 福吉米株式会社 | 抛光组合物和用于形成配线结构的方法 |
JP4083528B2 (ja) * | 2002-10-01 | 2008-04-30 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
DE10246756B4 (de) * | 2002-10-07 | 2006-03-16 | Novar Gmbh | Branderkennungsverfahren und Brandmelder zu dessen Durchführung |
GB2395486B (en) * | 2002-10-30 | 2006-08-16 | Kao Corp | Polishing composition |
US7968465B2 (en) | 2003-08-14 | 2011-06-28 | Dupont Air Products Nanomaterials Llc | Periodic acid compositions for polishing ruthenium/low K substrates |
US20050070109A1 (en) * | 2003-09-30 | 2005-03-31 | Feller A. Daniel | Novel slurry for chemical mechanical polishing of metals |
JP2005244123A (ja) * | 2004-02-27 | 2005-09-08 | Fujimi Inc | 研磨用組成物 |
US7316976B2 (en) * | 2004-05-19 | 2008-01-08 | Dupont Air Products Nanomaterials Llc | Polishing method to reduce dishing of tungsten on a dielectric |
JP2006086462A (ja) * | 2004-09-17 | 2006-03-30 | Fujimi Inc | 研磨用組成物およびそれを用いた配線構造体の製造法 |
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US7501346B2 (en) * | 2006-07-21 | 2009-03-10 | Cabot Microelectronics Corporation | Gallium and chromium ions for oxide rate enhancement |
JP2008135452A (ja) * | 2006-11-27 | 2008-06-12 | Fujimi Inc | 研磨用組成物及び研磨方法 |
JP2008135453A (ja) * | 2006-11-27 | 2008-06-12 | Fujimi Inc | 研磨用組成物及び研磨方法 |
WO2013147046A1 (ja) | 2012-03-30 | 2013-10-03 | ニッタ・ハース株式会社 | 研磨組成物 |
JP6584936B2 (ja) * | 2015-11-30 | 2019-10-02 | 花王株式会社 | 磁気ディスク基板用研磨液組成物 |
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FR2738007B1 (fr) | 1995-08-24 | 1999-03-05 | Nippon Denso Co | Procede et dispositif pour produire une eau minerale |
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JPH11214338A (ja) * | 1998-01-20 | 1999-08-06 | Memc Kk | シリコンウェハーの研磨方法 |
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DE60223761D1 (de) | 2008-01-10 |
SG99407A1 (en) | 2003-10-27 |
DE60223761T2 (de) | 2008-10-30 |
CN1261520C (zh) | 2006-06-28 |
TW536451B (en) | 2003-06-11 |
JP4954398B2 (ja) | 2012-06-13 |
US20030084815A1 (en) | 2003-05-08 |
EP1283250B1 (en) | 2007-11-28 |
JP2003059877A (ja) | 2003-02-28 |
KR100928167B1 (ko) | 2009-11-25 |
US6814766B2 (en) | 2004-11-09 |
EP1283250A1 (en) | 2003-02-12 |
CN1407050A (zh) | 2003-04-02 |
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