JP6246263B2 - 酸化ケイ素および窒化ケイ素の少なくとも1種とポリシリコンとを含む基体を研磨する方法 - Google Patents
酸化ケイ素および窒化ケイ素の少なくとも1種とポリシリコンとを含む基体を研磨する方法 Download PDFInfo
- Publication number
- JP6246263B2 JP6246263B2 JP2016105160A JP2016105160A JP6246263B2 JP 6246263 B2 JP6246263 B2 JP 6246263B2 JP 2016105160 A JP2016105160 A JP 2016105160A JP 2016105160 A JP2016105160 A JP 2016105160A JP 6246263 B2 JP6246263 B2 JP 6246263B2
- Authority
- JP
- Japan
- Prior art keywords
- chemical mechanical
- mechanical polishing
- removal rate
- substrate
- polishing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005498 polishing Methods 0.000 title claims description 164
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims description 57
- 229910052581 Si3N4 Inorganic materials 0.000 title claims description 47
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims description 47
- 238000000034 method Methods 0.000 title claims description 46
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims description 46
- 229920005591 polysilicon Polymers 0.000 title claims description 46
- 239000000758 substrate Substances 0.000 title claims description 43
- 229910052814 silicon oxide Inorganic materials 0.000 title claims description 41
- 239000000126 substance Substances 0.000 claims description 97
- 239000000203 mixture Substances 0.000 claims description 68
- 125000002015 acyclic group Chemical group 0.000 claims description 52
- -1 sulfonic acid compound Chemical class 0.000 claims description 37
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 229920000642 polymer Polymers 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 4
- 125000000373 fatty alcohol group Chemical group 0.000 claims description 3
- 239000003002 pH adjusting agent Substances 0.000 claims description 3
- 230000001747 exhibiting effect Effects 0.000 claims 2
- 239000011859 microparticle Substances 0.000 claims 2
- 235000012431 wafers Nutrition 0.000 description 16
- 239000000463 material Substances 0.000 description 12
- 230000002209 hydrophobic effect Effects 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000003989 dielectric material Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000008119 colloidal silica Substances 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- 229910052809 inorganic oxide Inorganic materials 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000012776 electronic material Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- POFFJVRXOKDESI-UHFFFAOYSA-N 1,3,5,7-tetraoxa-4-silaspiro[3.3]heptane-2,6-dione Chemical compound O1C(=O)O[Si]21OC(=O)O2 POFFJVRXOKDESI-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 125000002877 alkyl aryl group Chemical group 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 229910001853 inorganic hydroxide Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920000151 polyglycol Polymers 0.000 description 2
- 239000010695 polyglycol Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- CMCBDXRRFKYBDG-UHFFFAOYSA-N 1-dodecoxydodecane Chemical compound CCCCCCCCCCCCOCCCCCCCCCCCC CMCBDXRRFKYBDG-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910052580 B4C Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910026551 ZrC Inorganic materials 0.000 description 1
- JXOOCQBAIRXOGG-UHFFFAOYSA-N [B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[Al] Chemical compound [B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[B].[Al] JXOOCQBAIRXOGG-UHFFFAOYSA-N 0.000 description 1
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910003468 tantalcarbide Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 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
- H01L21/02—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
-
- 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
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
- B24B37/26—Lapping pads for working plane surfaces characterised by the shape of the lapping pad surface, e.g. grooved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
-
- 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
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon 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
- H01L21/02—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
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30625—With simultaneous mechanical treatment, e.g. mechanico-chemical polishing
-
- 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
-
- 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
- H01L21/34—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 not provided for in groups H01L21/0405, H01L21/0445, H01L21/06, H01L21/16 and H01L21/18 with or without impurities, e.g. doping materials
- H01L21/46—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428
- H01L21/461—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
本発明は、酸化ケイ素および窒化ケイ素の少なくとも1種とポリシリコンとを含む基体を提供し;6〜30個の炭素原子を有する非環式疎水性部分と10〜300個の炭素原子を有する非イオン性非環式親水性部分とを有する非環式有機スルホン酸化合物、水、並びに研磨剤を当初成分として含む(好ましくは、これらから本質的になる)化学機械研磨組成物を提供し;化学機械研磨パッドに研磨面を提供し;基体に対して研磨面を動かし;化学機械研磨組成物を研磨面上に分配し;基体の少なくとも一部分を摩耗させて、基体を研磨し;ポリシリコンの少なくとも幾分かが基体から除去され;酸化ケイ素および窒化ケイ素の少なくとも1種の少なくとも幾分かが基体から除去され;並びに、化学機械研磨組成物が2〜5の研磨pHを示す;ことを含む、基体を化学機械研磨する方法も提供する。
本発明は、酸化ケイ素および窒化ケイ素の少なくとも1種とポリシリコンとを含む基体を提供し;式R(EO)xSO3Na(式中、Rは6〜30個の炭素原子を有する脂肪アルコールであり、EOはエチレンオキシドであり、およびxは10〜300である)を有する非環式有機スルホン酸化合物、水、および研磨剤を当初成分として含む(好ましくは、これらから本質的になる)化学機械研磨組成物を提供し;化学機械研磨パッドに研磨面を提供し;基体に対して研磨面を動かし;化学機械研磨組成物を研磨面上に分配し;基体の少なくとも一部分を摩耗させて、基体を研磨し;ポリシリコンの少なくとも幾分かが基体から除去され;酸化ケイ素および窒化ケイ素の少なくとも1種の少なくとも幾分かが基体から除去され;並びに、化学機械研磨組成物が無機酸で調節されて2〜5の研磨pHを示す;ことを含む、基体を化学機械研磨する方法も提供する。
((A0−A)/A0)×100≧20
式中、Aは、非環式有機スルホン酸化合物を含む本発明の方法において使用される化学機械研磨組成物についてのポリシリコン除去速度(Å/分単位)であり;A0は、この非環式有機スルホン酸化合物が化学機械研磨組成物に存在しないことを除いて同じ条件下で得られたポリシリコン除去速度(Å/分単位)である。
(((B0−B)の絶対値)/B0)×100≦10
式中、Bは、非環式有機スルホン酸化合物を含む本発明の方法において使用される化学機械研磨組成物についての酸化ケイ素もしくは窒化ケイ素除去速度(Å/分単位)であり;B0は、この非環式有機スルホン酸化合物が化学機械研磨組成物に存在しないことを除いて同じ条件下で得られた酸化ケイ素もしくは窒化ケイ素除去速度である。
試験された化学機械研磨組成物(CMPC)は表1に記載される。化学機械研磨組成物Aは比較配合物であり、これは請求項に特定される発明の範囲内にはない。
£:実施例において使用された研磨剤は、AZエレクトロニックマテリアルズ(Electronic Materials)によって製造され、ザダウケミカルカンパニーから入手可能なクレボソール(Klebosol登録商標)30H50iコロイダルシリカであった。
¥:組成物pHは必要に応じてHNO3またはKOHを使用して調節された。
200mmブランケットウェハ、具体的には(A)TEOS誘電体ウェハ;(B)Si3N4誘電体ウェハ;および(C)非晶質ポリシリコン誘電体ウェハを使用して、表1に記載された化学機械研磨組成物が試験された。ポリウレタン含浸不織サブパッドおよびポリマー中空コア微小球体を含むポリウレタン研磨層を含む研磨パッド(すなわち、ロームアンドハースエレクトロニックマテリアルズCMPインコーポレイテッドから市販されているIC1010商標研磨パッド)を使用して、実施例における全てのブランケットウェハを研磨するために、ストラスバーグ エヌスパイア(Strasbaugh nSpire商標)CMPシステムモデル6ECロータリー型研磨プラットフォームが使用された。全ての実施例において使用された研磨条件は、93rpmのプラテン速度;87rpmのキャリア速度;200ml/分の研磨媒体流速;および20.7kPaのダウンフォースであった。それぞれの研磨実験についての除去速度は表2に提供される。この除去速度は研磨前膜厚および研磨後膜厚から計算されたことに留意されたい。具体的には、除去速度はKLA−Tencorから入手可能なSpectraFX200光学薄膜計測システムを用いて決定された。
Claims (3)
- 酸化ケイ素および窒化ケイ素の少なくとも1種と非晶質ポリシリコンとを含む基体を提供すること;
当初成分として、0.01〜0.1重量%の量の、式R(EO)xSO3Na(式中、Rは6〜30個の炭素原子を有する脂肪アルコールであり;EOはエチレンオキシドであり;xは25〜150である)を有する非環式有機スルホン酸化合物、水、5以下のpHをもたらす無機pH調節剤、および5〜25重量%の量の研磨剤のみからなる化学機械研磨組成物を提供すること;
化学機械研磨パッドに研磨面を提供すること;
基体に対して研磨面を動かすこと;
化学機械研磨組成物を研磨面上に分配すること;および
基体の少なくとも一部分を摩耗させて、基体を研磨すること;
を含み、
化学機械研磨組成物が5以上:1の酸化ケイ素:非晶質ポリシリコン除去速度選択性を示し、
化学機械研磨組成物が5以上:1の窒化ケイ素:非晶質ポリシリコン除去速度選択性を示し、
非環式有機スルホン酸化合物を化学機械研磨組成物に添加したことによる酸化ケイ素および窒化ケイ素の除去速度の変化が10%以内であり、
非環式有機スルホン酸化合物を化学機械研磨組成物に添加したことによる非晶質ポリシリコンの除去速度の低下が20%以上である、
基体を化学機械研磨する方法。 - 化学機械研磨組成物が、200mm研磨装置において、93回転/分のプラテン速度、
87回転/分のキャリア速度、200ml/分の化学機械研磨組成物流速、20.7kP
aの名目ダウンフォースで、800Å/分以上の酸化ケイ素除去速度を示し;ポリウレタ
ン含浸不織サブパッドおよびポリマー中空コア微小粒子を含むポリウレタン研磨層を化学
機械研磨パッドが含む、請求項1に記載の方法。 - 化学機械研磨組成物が、200mm研磨装置において、93回転/分のプラテン速度、
87回転/分のキャリア速度、200ml/分の化学機械研磨組成物流速、20.7kP
aの名目ダウンフォースで、800Å/分以上の窒化ケイ素除去速度を示し;ポリウレタ
ン含浸不織サブパッドおよびポリマー中空コア微小粒子を含むポリウレタン研磨層を化学
機械研磨パッドが含む、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/724,721 US8492277B2 (en) | 2010-03-16 | 2010-03-16 | Method of polishing a substrate comprising polysilicon and at least one of silicon oxide and silicon nitride |
US12/724721 | 2010-03-16 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011052895A Division JP2011192995A (ja) | 2010-03-16 | 2011-03-10 | 酸化ケイ素および窒化ケイ素の少なくとも1種とポリシリコンとを含む基体を研磨する方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016157985A JP2016157985A (ja) | 2016-09-01 |
JP6246263B2 true JP6246263B2 (ja) | 2017-12-13 |
Family
ID=44558415
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011052895A Pending JP2011192995A (ja) | 2010-03-16 | 2011-03-10 | 酸化ケイ素および窒化ケイ素の少なくとも1種とポリシリコンとを含む基体を研磨する方法 |
JP2016105160A Active JP6246263B2 (ja) | 2010-03-16 | 2016-05-26 | 酸化ケイ素および窒化ケイ素の少なくとも1種とポリシリコンとを含む基体を研磨する方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011052895A Pending JP2011192995A (ja) | 2010-03-16 | 2011-03-10 | 酸化ケイ素および窒化ケイ素の少なくとも1種とポリシリコンとを含む基体を研磨する方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8492277B2 (ja) |
JP (2) | JP2011192995A (ja) |
KR (1) | KR101737334B1 (ja) |
CN (1) | CN102201337B (ja) |
DE (1) | DE102011013978A1 (ja) |
FR (1) | FR2957547B1 (ja) |
TW (1) | TWI508154B (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8491808B2 (en) * | 2010-03-16 | 2013-07-23 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Method of polishing a substrate comprising polysilicon, silicon oxide and silicon nitride |
US8496843B2 (en) * | 2010-03-16 | 2013-07-30 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Method of polishing a substrate comprising polysilicon and at least one of silicon oxide and silicon nitride |
CN104057615A (zh) * | 2014-06-24 | 2014-09-24 | 王起 | 一种三维立体画压膜机 |
US10711158B2 (en) | 2017-09-28 | 2020-07-14 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Aqueous silica slurry and amine carboxylic acid compositions for use in shallow trench isolation and methods of using them |
US10584265B2 (en) | 2017-09-28 | 2020-03-10 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Aqueous silica slurry and amine carboxylic acid compositions selective for nitride removal in polishing and methods of using them |
US10508221B2 (en) | 2017-09-28 | 2019-12-17 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Aqueous low abrasive silica slurry and amine carboxylic acid compositions for use in shallow trench isolation and methods of making and using them |
US11186748B2 (en) | 2017-09-28 | 2021-11-30 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Aqueous anionic functional silica slurry and amine carboxylic acid compositions for selective nitride removal in polishing and methods of using them |
CN109971356A (zh) | 2017-12-27 | 2019-07-05 | 安集微电子(上海)有限公司 | 一种化学机械抛光液 |
JP7120846B2 (ja) * | 2018-08-10 | 2022-08-17 | 株式会社フジミインコーポレーテッド | 研磨用組成物及びその製造方法並びに研磨方法並びに基板の製造方法 |
WO2023186762A1 (en) | 2022-03-31 | 2023-10-05 | Basf Se | Compositions and methods for tungsten etching inhibition |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3457107A (en) * | 1965-07-20 | 1969-07-22 | Diversey Corp | Method and composition for chemically polishing metals |
US4283321A (en) | 1979-10-03 | 1981-08-11 | Gaf Corporation | Alkyl aryl ethyleneoxy sulfonate surfactants for vinyl acetate polymerization |
JP3265199B2 (ja) * | 1996-09-30 | 2002-03-11 | 株式会社東芝 | 化学的機械研磨法、化学的機械研磨法に用いる研磨剤および半導体装置の製造方法 |
KR100378180B1 (ko) * | 2000-05-22 | 2003-03-29 | 삼성전자주식회사 | 화학기계적 연마 공정용 슬러리 및 이를 이용한 반도체소자의 제조방법 |
US6743683B2 (en) * | 2001-12-04 | 2004-06-01 | Intel Corporation | Polysilicon opening polish |
US7201647B2 (en) * | 2002-06-07 | 2007-04-10 | Praxair Technology, Inc. | Subpad having robust, sealed edges |
JP2008044103A (ja) * | 2003-04-09 | 2008-02-28 | Jsr Corp | 研磨複層体および半導体ウエハの研磨方法 |
US7018560B2 (en) * | 2003-08-05 | 2006-03-28 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Composition for polishing semiconductor layers |
US7247566B2 (en) * | 2003-10-23 | 2007-07-24 | Dupont Air Products Nanomaterials Llc | CMP method for copper, tungsten, titanium, polysilicon, and other substrates using organosulfonic acids as oxidizers |
JP2005347737A (ja) * | 2004-05-07 | 2005-12-15 | Nissan Chem Ind Ltd | シリコンウェハー用研磨組成物 |
KR100591719B1 (ko) * | 2004-11-09 | 2006-06-22 | 삼성전자주식회사 | 에피텍셜 콘택 플러그 제조방법, 그 제조 방법을 이용한반도체 장치 제조 방법 및 그 제조 방법을 이용한 더블스택형 트랜지스터 제조 방법 |
US7790618B2 (en) * | 2004-12-22 | 2010-09-07 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Selective slurry for chemical mechanical polishing |
US20060205218A1 (en) * | 2005-03-09 | 2006-09-14 | Mueller Brian L | Compositions and methods for chemical mechanical polishing thin films and dielectric materials |
US20070077865A1 (en) | 2005-10-04 | 2007-04-05 | Cabot Microelectronics Corporation | Method for controlling polysilicon removal |
US8512593B2 (en) * | 2005-11-04 | 2013-08-20 | Cheil Industries, Inc. | Chemical mechanical polishing slurry compositions, methods of preparing the same and methods of using the same |
US20070131899A1 (en) * | 2005-12-13 | 2007-06-14 | Jinru Bian | Composition for polishing semiconductor layers |
KR100827591B1 (ko) * | 2006-11-27 | 2008-05-07 | 제일모직주식회사 | 화학적 기계적 연마용 슬러리 조성물 및 그 전구체 조성물 |
US20080148649A1 (en) * | 2006-12-21 | 2008-06-26 | Zhendong Liu | Ruthenium-barrier polishing slurry |
US20090032765A1 (en) * | 2007-08-03 | 2009-02-05 | Jinru Bian | Selective barrier polishing slurry |
SG10201605686XA (en) * | 2008-02-01 | 2016-08-30 | Fujimi Inc | Polishing Composition And Polishing Method Using The Same |
JP2009278061A (ja) * | 2008-04-16 | 2009-11-26 | Hitachi Chem Co Ltd | Cmp用研磨液及び研磨方法 |
JP5441362B2 (ja) * | 2008-05-30 | 2014-03-12 | 富士フイルム株式会社 | 研磨液及び研磨方法 |
JP5467804B2 (ja) * | 2008-07-11 | 2014-04-09 | 富士フイルム株式会社 | 窒化ケイ素用研磨液及び研磨方法 |
US8119529B2 (en) * | 2009-04-29 | 2012-02-21 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Method for chemical mechanical polishing a substrate |
US8491808B2 (en) * | 2010-03-16 | 2013-07-23 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Method of polishing a substrate comprising polysilicon, silicon oxide and silicon nitride |
US8496843B2 (en) * | 2010-03-16 | 2013-07-30 | Rohm And Haas Electronic Materials Cmp Holdings, Inc. | Method of polishing a substrate comprising polysilicon and at least one of silicon oxide and silicon nitride |
-
2010
- 2010-03-16 US US12/724,721 patent/US8492277B2/en active Active
-
2011
- 2011-03-10 JP JP2011052895A patent/JP2011192995A/ja active Pending
- 2011-03-14 TW TW100108479A patent/TWI508154B/zh active
- 2011-03-15 DE DE102011013978.8A patent/DE102011013978A1/de not_active Withdrawn
- 2011-03-15 KR KR1020110022811A patent/KR101737334B1/ko active IP Right Grant
- 2011-03-16 FR FR1152168A patent/FR2957547B1/fr active Active
- 2011-03-16 CN CN201110072107.3A patent/CN102201337B/zh active Active
-
2016
- 2016-05-26 JP JP2016105160A patent/JP6246263B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
DE102011013978A1 (de) | 2014-02-13 |
JP2016157985A (ja) | 2016-09-01 |
TW201142933A (en) | 2011-12-01 |
KR101737334B1 (ko) | 2017-05-18 |
FR2957547A1 (fr) | 2011-09-23 |
CN102201337B (zh) | 2014-03-12 |
US8492277B2 (en) | 2013-07-23 |
TWI508154B (zh) | 2015-11-11 |
US20110230049A1 (en) | 2011-09-22 |
CN102201337A (zh) | 2011-09-28 |
JP2011192995A (ja) | 2011-09-29 |
FR2957547B1 (fr) | 2016-05-06 |
KR20110104442A (ko) | 2011-09-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6246263B2 (ja) | 酸化ケイ素および窒化ケイ素の少なくとも1種とポリシリコンとを含む基体を研磨する方法 | |
JP5957777B2 (ja) | ポリシリコン、酸化ケイ素および窒化ケイ素を含む基体を研磨する方法 | |
KR102427996B1 (ko) | 화학적 기계 연마 조성물 및 텅스텐의 연마 방법 | |
JP5861906B2 (ja) | 酸化ケイ素除去を増大させるように適合した研磨組成物で基体を化学機械研磨する方法 | |
US8513126B2 (en) | Slurry composition having tunable dielectric polishing selectivity and method of polishing a substrate | |
JP5957778B2 (ja) | 酸化ケイ素および窒化ケイ素の少なくとも1種とポリシリコンとを含む基体を研磨する方法 | |
KR102005254B1 (ko) | 기판의 폴리싱 방법 | |
KR20180089306A (ko) | 폴리글리콜 및 폴리글리콜 유도체를 사용한 텅스텐용 화학적 기계적 연마 방법 | |
JP7359554B2 (ja) | 欠陥抑制を向上させた研磨組成物及び基板の研磨方法 | |
TWI518157B (zh) | 具有可調介電質研磨選擇性之漿液組成物及研磨基板之方法 | |
US20230083732A1 (en) | Polishing composition and method of polishing a substrate having enhanced defect reduction | |
KR20200036749A (ko) | 화학 기계적 연마 조성물, 및 실리콘 질화물 위의 실리콘 이산화물을 연마하는 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160526 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160526 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170321 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170619 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20171107 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20171114 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6246263 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |