JP2001516383A - チタニウム含有複合物を研磨するための合成物およびその方法 - Google Patents
チタニウム含有複合物を研磨するための合成物およびその方法Info
- Publication number
- JP2001516383A JP2001516383A JP54067198A JP54067198A JP2001516383A JP 2001516383 A JP2001516383 A JP 2001516383A JP 54067198 A JP54067198 A JP 54067198A JP 54067198 A JP54067198 A JP 54067198A JP 2001516383 A JP2001516383 A JP 2001516383A
- Authority
- JP
- Japan
- Prior art keywords
- compound
- complexing agent
- tri
- carboxyl groups
- alpha position
- 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.)
- Ceased
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 24
- 239000010936 titanium Substances 0.000 title claims abstract description 23
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 20
- 239000002131 composite material Substances 0.000 title claims description 12
- 239000002002 slurry Substances 0.000 claims abstract description 26
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 20
- 150000001875 compounds Chemical class 0.000 claims abstract description 18
- 239000008139 complexing agent Substances 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 15
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007800 oxidant agent Substances 0.000 claims abstract description 11
- -1 phthalic acid compound Chemical class 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 17
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 150000003628 tricarboxylic acids Chemical class 0.000 claims description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 6
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 5
- 239000001630 malic acid Substances 0.000 claims description 5
- 235000011090 malic acid Nutrition 0.000 claims description 5
- JLKDVMWYMMLWTI-UHFFFAOYSA-M potassium iodate Chemical group [K+].[O-]I(=O)=O JLKDVMWYMMLWTI-UHFFFAOYSA-M 0.000 claims description 5
- 239000001230 potassium iodate Substances 0.000 claims description 5
- 229940093930 potassium iodate Drugs 0.000 claims description 5
- 235000006666 potassium iodate Nutrition 0.000 claims description 5
- OSKNUZYLXFBIHL-UHFFFAOYSA-N azanium;hydron;phthalate Chemical compound N.OC(=O)C1=CC=CC=C1C(O)=O OSKNUZYLXFBIHL-UHFFFAOYSA-N 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 2
- 241001474374 Blennius Species 0.000 claims 1
- OFHCOWSQAMBJIW-AVJTYSNKSA-N alfacalcidol Chemical group C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C\C=C1\C[C@@H](O)C[C@H](O)C1=C OFHCOWSQAMBJIW-AVJTYSNKSA-N 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- IRXRGVFLQOSHOH-UHFFFAOYSA-L dipotassium;oxalate Chemical compound [K+].[K+].[O-]C(=O)C([O-])=O IRXRGVFLQOSHOH-UHFFFAOYSA-L 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 1
- JWHOQZUREKYPBY-UHFFFAOYSA-N rubonic acid Natural products CC1(C)CCC2(CCC3(C)C(=CCC4C5(C)CCC(=O)C(C)(C)C5CC(=O)C34C)C2C1)C(=O)O JWHOQZUREKYPBY-UHFFFAOYSA-N 0.000 claims 1
- 150000003627 tricarboxylic acid derivatives Chemical class 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 239000000377 silicon dioxide Substances 0.000 description 7
- 235000012431 wafers Nutrition 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 3
- 150000007942 carboxylates Chemical group 0.000 description 3
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 238000010668 complexation reaction Methods 0.000 description 2
- ICIWUVCWSCSTAQ-UHFFFAOYSA-M iodate Chemical compound [O-]I(=O)=O ICIWUVCWSCSTAQ-UHFFFAOYSA-M 0.000 description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 1
- WYVVKGNFXHOCQV-UHFFFAOYSA-N 3-iodoprop-2-yn-1-yl butylcarbamate Chemical compound CCCCNC(=O)OCC#CI WYVVKGNFXHOCQV-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- 239000001263 FEMA 3042 Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229920002253 Tannate Polymers 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- CHCFOMQHQIQBLZ-UHFFFAOYSA-N azane;phthalic acid Chemical compound N.N.OC(=O)C1=CC=CC=C1C(O)=O CHCFOMQHQIQBLZ-UHFFFAOYSA-N 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910001919 chlorite Inorganic materials 0.000 description 1
- 229910052619 chlorite group Inorganic materials 0.000 description 1
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229940074391 gallic acid Drugs 0.000 description 1
- 235000004515 gallic acid Nutrition 0.000 description 1
- 229940050410 gluconate Drugs 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 229950006191 gluconic acid Drugs 0.000 description 1
- 229940049920 malate Drugs 0.000 description 1
- 229940099690 malic acid Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- IWZKICVEHNUQTL-UHFFFAOYSA-M potassium hydrogen phthalate Chemical compound [K+].OC(=O)C1=CC=CC=C1C([O-])=O IWZKICVEHNUQTL-UHFFFAOYSA-M 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001174 sulfone group Chemical group 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 229940033123 tannic acid Drugs 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 229960001367 tartaric acid Drugs 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
Classifications
-
- 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
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
-
- 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]
-
- 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
- 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
- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
- C09K3/1463—Aqueous liquid suspensions
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. チタニウム含有基板のケミカル−メカニカル−ポリッシングに有用な水性 スラリーであって、水、サブミクロン研磨粒子、酸化剤、および、フタル酸化 合物と、カルボキシル基の一つに対してアルファ位置にある少なくとも一つの 水酸基を有するジ−又はトリ−カルボン酸である化合物とを含む錯化剤の組合 せからなる合成物。 2. 前記サブミクロン研磨粒子がアルミナであることを特徴とする請求項1記 載の合成物。 3. 前記酸化剤がヨウ素酸カリウムであることを特徴とする請求項1記載の合 成物。 4. カルボキシル基の一つに対してアルファ位置にある少なくとも一つの水酸 基を有するジ−又はトリ−カルボン酸である前記化合物がリンゴ酸であること を特徴とする請求項1記載の合成物。 5. カルボキシル基の一つに対してアルファ位置にある少なくとも一つの水酸 基を有するジ−又はトリ−カルボン酸である前記化合物がクエン酸であること を特徴とする請求項1記載の合成物。 6. 前記フタル酸化合物がフタル酸水素アンモニウムであることを特徴とする 請求項1記載の合成物。 7. 前記錯化剤の組合せが、(a)フタル酸化合物と、(b)カルボキシル基の一つ に対してアルファ位置にある少なくとも一つの水酸基を有するジーまたはトリ −カルボン酸である化合物とから成り、(a):(b)のモル比が約1:1から約1 0:1であり、錯化剤の全量が、合成物の約2〜7重量%であることを特徴と する請求項1記載の合成物。 8. 重量ベースにおいて、約1〜15%のサブミクロン研磨粒子、約2〜7% の酸化剤、約2〜7%の前記錯化剤から成ることを特徴とする請求項1記載の 合成物。 9. 重量ベースにおいて、約7%のアルミナ、約3%のヨウ素酸カリウム、お よび、約4%の錯化剤を含む合成物であって、この錯化剤が、(a)フタル酸化 合物と、(b)カルボキシル基の一つに対してアルファ位置にある少なくとも一 つの水酸基を有するジ−又はトリ−カルボン酸である化合物とからなり、 (a):(b)のモル比が4:1であるものであることを特徴とする請求項1記載の 合成物。 10.チタニウム含有基板を研磨する方法であって、この基板が研磨パッドに押 しつけられ、これら基板とパッドが相互間で移動させられ、研磨合成物が研磨 工程においてこのパッドに付与される方法であり、この研磨合成物が、水、サ ブミクロン研磨粒子、酸化剤、および、フタル酸化合物と、カルボキシル基の 一つに対してアルファ位置にある少なくとも一つの水酸基を有するジ−又はト リ−カルボン酸である化合物とを含む錯化剤の組合せからなるものであること を特徴とする研磨方法。 11.前記サブミクロン研磨粒子がアルミナであることを特徴とする請求項10 記載の方法。 12.前記酸化剤がヨウ素酸カリウムであることを特徴とする請求項10記載の 方法。 13.カルボキシル基の一つに対してアルファ位置にある少なくとも一つの水酸 基を有するジ−又はトリ−カルボン酸である前記化合物がリンゴ酸であること を特徴とする請求項10記載の方法。 14.カルボキシル基の一つに対してアルファ位置にある少なくとも一つの水酸 基を有するジ−又はトリ−カルボン酸である前記化合物がクエン酸であること を特徴とする請求項10記載の方法。 15.前記フタル酸化合物がフタル酸水素アンモニウムであることを特徴とする 請求項10記載の方法。 16.前記錯化剤の組合せが(a)フタル酸化合物と、(b)カルボキシル基の一つに 対してアルファ位置にある少なくとも一つの水酸基を有するジ−又はトリ−カ ルボン酸である化合物とから成り、(a):(b)のモル比が約1:1から約10: 1であり、前記錯化剤の全量が、合成物の約2〜7重量%であることを特徴と する請求項10記載の方法。 17.前記研磨合成物が、重量ベースにおいて、約7%のアルミナ、約3%のヨ ウ素酸カリウム、および、約4%の錯化剤からなり、この錯化剤が、(a)フタ ル酸化合物と、(b)カルボキシル基の一つに対してアルファ位置にある少なく とも一つの水酸基を有するジ−又はトリ−カルボン酸である化合物とを含み、 (a):(b)のモル比が4:1であることを特徴とする請求項10記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/819,236 | 1997-03-17 | ||
US08/819,236 US5756398A (en) | 1997-03-17 | 1997-03-17 | Composition and method for polishing a composite comprising titanium |
PCT/US1998/005107 WO1998041671A1 (en) | 1997-03-17 | 1998-03-16 | Composition and method for polishing a composite comprising titanium |
Publications (2)
Publication Number | Publication Date |
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JP2001516383A true JP2001516383A (ja) | 2001-09-25 |
JP2001516383A5 JP2001516383A5 (ja) | 2005-12-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP54067198A Ceased JP2001516383A (ja) | 1997-03-17 | 1998-03-16 | チタニウム含有複合物を研磨するための合成物およびその方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5756398A (ja) |
EP (1) | EP0985059B1 (ja) |
JP (1) | JP2001516383A (ja) |
KR (1) | KR20000076305A (ja) |
DE (1) | DE69809228T2 (ja) |
WO (1) | WO1998041671A1 (ja) |
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-
1997
- 1997-03-17 US US08/819,236 patent/US5756398A/en not_active Expired - Fee Related
-
1998
- 1998-03-16 WO PCT/US1998/005107 patent/WO1998041671A1/en not_active Application Discontinuation
- 1998-03-16 DE DE69809228T patent/DE69809228T2/de not_active Expired - Fee Related
- 1998-03-16 KR KR1019997008406A patent/KR20000076305A/ko not_active Application Discontinuation
- 1998-03-16 JP JP54067198A patent/JP2001516383A/ja not_active Ceased
- 1998-03-16 EP EP98911675A patent/EP0985059B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5756398A (en) | 1998-05-26 |
EP0985059B1 (en) | 2002-11-06 |
WO1998041671A1 (en) | 1998-09-24 |
KR20000076305A (ko) | 2000-12-26 |
EP0985059A1 (en) | 2000-03-15 |
DE69809228T2 (de) | 2003-07-10 |
DE69809228D1 (de) | 2002-12-12 |
EP0985059A4 (en) | 2001-05-16 |
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