JP7334148B2 - TiN-SiN CMP用途の高選択性のための窒化物抑制剤 - Google Patents
TiN-SiN CMP用途の高選択性のための窒化物抑制剤 Download PDFInfo
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- JP7334148B2 JP7334148B2 JP2020514598A JP2020514598A JP7334148B2 JP 7334148 B2 JP7334148 B2 JP 7334148B2 JP 2020514598 A JP2020514598 A JP 2020514598A JP 2020514598 A JP2020514598 A JP 2020514598A JP 7334148 B2 JP7334148 B2 JP 7334148B2
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- surfactant
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- polishing
- removal rate
- acid
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- 239000003112 inhibitor Substances 0.000 title claims description 138
- 150000004767 nitrides Chemical class 0.000 title description 2
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- 239000000758 substrate Substances 0.000 claims description 84
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 79
- 238000000034 method Methods 0.000 claims description 69
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- -1 poly(2-acrylamido-2-methylpropanesulfonic acid) Polymers 0.000 claims description 62
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- 125000000524 functional group Chemical group 0.000 claims description 35
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- SEILKFZTLVMHRR-UHFFFAOYSA-L 2-(2-methylprop-2-enoyloxy)ethyl phosphate Chemical compound CC(=C)C(=O)OCCOP([O-])([O-])=O SEILKFZTLVMHRR-UHFFFAOYSA-L 0.000 claims description 4
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 4
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- 238000007254 oxidation reaction Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- DPBLXKKOBLCELK-UHFFFAOYSA-N pentan-1-amine Chemical compound CCCCCN DPBLXKKOBLCELK-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- LLYCMZGLHLKPPU-UHFFFAOYSA-N perbromic acid Chemical class OBr(=O)(=O)=O LLYCMZGLHLKPPU-UHFFFAOYSA-N 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229940068977 polysorbate 20 Drugs 0.000 description 1
- 229960002796 polystyrene sulfonate Drugs 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- JLKDVMWYMMLWTI-UHFFFAOYSA-M potassium iodate Chemical compound [K+].[O-]I(=O)=O JLKDVMWYMMLWTI-UHFFFAOYSA-M 0.000 description 1
- 239000001230 potassium iodate Substances 0.000 description 1
- 235000006666 potassium iodate Nutrition 0.000 description 1
- 229940093930 potassium iodate Drugs 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- FDRQPMVGJOQVTL-UHFFFAOYSA-N quercetin rutinoside Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC=2C(C3=C(O)C=C(O)C=C3OC=2C=2C=C(O)C(O)=CC=2)=O)O1 FDRQPMVGJOQVTL-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 235000005806 ruta Nutrition 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- IKGXIBQEEMLURG-BKUODXTLSA-N rutin Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](C)O[C@@H]1OC[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](OC=2C(C3=C(O)C=C(O)C=C3OC=2C=2C=C(O)C(O)=CC=2)=O)O1 IKGXIBQEEMLURG-BKUODXTLSA-N 0.000 description 1
- ALABRVAAKCSLSC-UHFFFAOYSA-N rutin Natural products CC1OC(OCC2OC(O)C(O)C(O)C2O)C(O)C(O)C1OC3=C(Oc4cc(O)cc(O)c4C3=O)c5ccc(O)c(O)c5 ALABRVAAKCSLSC-UHFFFAOYSA-N 0.000 description 1
- 235000005493 rutin Nutrition 0.000 description 1
- 229960004555 rutoside Drugs 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003890 succinate salts Chemical class 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229940104261 taurate Drugs 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 125000004417 unsaturated alkyl group Chemical group 0.000 description 1
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
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- 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
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- 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
- C09K3/1436—Composite particles, e.g. coated particles
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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
- H01L21/302—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
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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
- H01L21/3105—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
- H01L21/18—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]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
(1)実施形態(1)では、化学機械研磨組成物が提示され、化学機械研磨組成物は、(a)アルミナ粒子であって、アルミナ粒子はアニオン性ポリマーを含む表面を有する、アルミナ粒子と、(b)(I)ポリオキシアルキレン官能基およびスルホネート官能基を含む界面活性剤、(II)ポリオキシアルキレン官能基およびサルフェート官能基を含む界面活性剤、(III)ポリオキシアルキレン官能基を含む第1の界面活性剤およびスルホネート官能基を含む第2の界面活性剤、ならびに(IV)ポリオキシアルキレン官能基を含む第1の界面活性剤およびサルフェート官能基を含む第2の界面活性剤、から選択される除去速度抑制剤と、(c)水性キャリアと、を含む。
この実施例は、本発明の研磨方法および組成物のTiN:SiN選択性に対する除去速度抑制剤の効果を実証する。
この実施例は、本発明の研磨方法および組成物のTiN:SiN選択性に対する除去速度抑制剤および研削剤の効果を実証する。
この実施例は、タングステンを含む基板を研磨するときの本発明の研磨方法および組成物のTiN:SiN選択性に対する除去速度抑制剤の効果を実証する。
Claims (24)
- 化学機械研磨組成物であって、
(a)ポリ(2-アクリルアミド-2-メチルプロパンスルホン酸)およびポリスチレンスルホン酸から選択されるアニオン性ポリマーを含む表面を有するアルミナ粒子と、
(b)(I)ポリオキシアルキレン官能基およびスルホネート官能基を含む界面活性剤、(II)ポリオキシアルキレン官能基およびサルフェート官能基を含む界面活性剤、(III)ポリオキシアルキレン官能基を含む第1の界面活性剤およびスルホネート官能基を含む第2の界面活性剤、ならびに(IV)ポリオキシアルキレン官能基を含む第1の界面活性剤およびサルフェート官能基を含む第2の界面活性剤、から選択される除去速度抑制剤と、
(c)水性キャリアと、を含み、鉄含有触媒と、リン酸、有機酸、ホスホネート化合物およびニトリルから選択される安定剤とをさらに含有する、化学機械研磨組成物。 - 前記アルミナ粒子が、前記研磨組成物中に0.001重量%~10重量%の濃度で存在する、請求項1に記載の研磨組成物。
- 前記除去速度抑制剤が、前記研磨組成物中に0.001重量%~5重量%の濃度で存在する、請求項1に記載の研磨組成物。
- 前記除去速度抑制剤がポリオキシエチレン基を含む、請求項1に記載の研磨組成物。
- 前記除去速度抑制剤が、ラウリルポリオキシエチレンエーテルサルフェートを含む界面活性剤、エトキシル化C6-C12アルコールを含む第1の界面活性剤およびC10-C14アルキルアリールスルホネートを含む第2の界面活性剤、スルホン化アルキルジフェニルオキシドを含む第1の界面活性剤およびポリオキシエチレンソルビタンモノラウレートを含む第2の界面活性剤、アルファオレフィンスルホネートを含む第1の界面活性剤およびポリオキシエチレンソルビタンモノラウレートを含む第2の界面活性剤、ならびにそれらの組み合わせ、から選択される、請求項1に記載の研磨組成物。
- 前記除去速度抑制剤が、エトキシル化C6-C12アルコールを含む第1の界面活性剤およびC10-C14アルキルアリールスルホネートを含む第2の界面活性剤、を含む、請求項5に記載の研磨組成物。
- 前記除去速度抑制剤が、スルホン化アルキルジフェニルオキシドを含む第1の界面活性剤およびポリオキシエチレンソルビタンモノラウレートを含む第2の界面活性剤、を含む、請求項5に記載の研磨組成物。
- 前記研磨組成物が1~5のpHを有する、請求項1に記載の研磨組成物。
- 腐食防止剤をさらに含む、請求項1に記載の研磨組成物。
- 前記研磨組成物が腐食防止剤を含み、前記腐食防止剤が、ヘキシルアミン、テトラメチル-p-フェニレンジアミン、オクチルアミン、ジエチレントリアミン、ジブチルベンジルアミン、アミノプロピルシラノール、アミノプロピルシロキサン、ドデシルアミン、チロシン、アルギニン、グルタミン、グルタミン酸、シスチン、リジン、グリシン(アミノ酢酸)、およびそれらの組み合わせ、から選択される、請求項9に記載の研磨組成物。
- 基板を化学機械的に研磨する方法であって、
(i)その表面上に窒化チタン(TiN)層および窒化ケイ素(SiN)層を含む基板を準備することと、
(ii)研磨パッドを準備することと、
(iii)化学機械研磨組成物として、
(a)研削粒子と、
(b)(I)ポリオキシアルキレン官能基およびスルホネート官能基を含む界面活性剤、(II)ポリオキシアルキレン官能基およびサルフェート官能基を含む界面活性剤、(III)ポリオキシアルキレン官能基を含む第1の界面活性剤およびスルホネート官能基を含む第2の界面活性剤、ならびに(IV)ポリオキシアルキレン官能基を含む第1の界面活性剤およびサルフェート官能基を含む第2の界面活性剤、から選択される除去速度抑制剤と、
(c)水性キャリアと、
を含み、鉄含有触媒と、リン酸、有機酸、ホスホネート化合物およびニトリルから選択される安定剤とをさらに含有する、前記化学機械研磨組成物を準備することと、
(iv)前記基板を前記研磨パッドおよび前記化学機械研磨組成物に接触させることと、
(v)前記基板に対して前記研磨パッドおよび前記化学機械研磨組成物を相対的に動かして、前記基板の表面上の前記TiN層の少なくとも一部および同前記SiN層の少なくとも一部を研削して前記基板を研磨することであって、前記TiN層が前記SiN層よりも速く選択的に除去されること、を含む方法。 - 前記TiN:SiN除去速度選択性が15:1より大きい、請求項11に記載の方法。
- 前記研削粒子がコロイドシリカ粒子およびアルミナ粒子から選択され、前記アルミナ粒子がアニオン性ポリマーを含む表面を有する、請求項11に記載の方法。
- 前記研削粒子がアルミナ粒子であり、前記アルミナ粒子がアニオン性ポリマーを含む表面を有する、請求項13に記載の方法。
- 前記アニオン性ポリマーが、アクリル酸、メタクリル酸、イタコン酸、マレイン酸、無水マレイン酸、ビニルスルホン酸、2-(メタクリロイルオキシ)エタンスルホン酸、スチレンスルホン酸、2-アクリルアミド-2-メチルプロパンスルホン酸、ビニルホスホン酸、2-(メタクロイルオキシ)エチルホスフェート、およびそれらの組み合わせ、から選択される繰り返し単位を含む、請求項14に記載の方法。
- 前記研削粒子が前記研磨組成物中に0.001重量%~10重量%の濃度で存在する、請求項11に記載の方法。
- 前記除去速度抑制剤がポリオキシエチレン基を含む、請求項11に記載の方法。
- 前記除去速度抑制剤が、ラウリルポリオキシエチレンエーテルサルフェートの塩を含む界面活性剤、エトキシル化C6-C12アルコールを含む第1の界面活性剤およびC10-C14アルキルアリールスルホネートを含む第2の界面活性剤、スルホン化アルキルジフェニルオキシドを含む第1の界面活性剤およびポリオキシエチレンソルビタンモノラウレートを含む第2の界面活性剤、アルファオレフィンスルホネートを含む第1の界面活性剤およびポリオキシエチレンソルビタンモノラウレートを含む第2の界面活性剤、ならびにそれらの組み合わせ、から選択される、請求項11に記載の方法。
- 前記除去速度抑制剤が、エトキシル化C6-C12アルコールを含む第1の界面活性剤およびC10-C14アルキルアリールスルホネートを含む第2の界面活性剤、を含む、請求項18に記載の方法。
- 前記除去速度抑制剤が、スルホン化アルキルジフェニルオキシドを含む第1の界面活性剤およびポリオキシエチレンソルビタンモノラウレートを含む第2の界面活性剤、を含む、請求項18に記載の方法。
- 前記除去速度抑制剤が前記研磨組成物中に0.001重量%~5重量%の濃度で存在する、請求項11に記載の方法。
- 前記研磨組成物が1~5のpHを有する、請求項11に記載の方法。
- 前記研磨組成物が腐食防止剤をさらに含む、請求項11に記載の方法。
- 前記研磨組成物が腐食防止剤を含み、前記腐食防止剤が、ヘキシルアミン、テトラメチル-p-フェニレンジアミン、オクチルアミン、ジエチレントリアミン、ジブチルベンジルアミン、アミノプロピルシラノール、アミノプロピルシロキサン、ドデシルアミン、チロシン、アルギニン、グルタミン、グルタミン酸、シスチン、リジン、グリシン(アミノ酢酸)、およびそれらの組み合わせ、から選択される、請求項23に記載の方法。
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US15/706,192 US20190085205A1 (en) | 2017-09-15 | 2017-09-15 | NITRIDE INHIBITORS FOR HIGH SELECTIVITY OF TiN-SiN CMP APPLICATIONS |
PCT/US2018/046429 WO2019055160A2 (en) | 2017-09-15 | 2018-08-13 | NITRIDE INHIBITORS FOR HIGH SELECTIVITY OF CHEMICOMECHANICAL TIN-SIN POLISHING APPLICATIONS |
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KR102367056B1 (ko) * | 2020-02-27 | 2022-02-25 | 주식회사 케이씨텍 | 화학적 기계적 연마용 슬러리 조성물 |
EP4189027A4 (en) * | 2020-07-28 | 2024-07-31 | Cmc Mat Llc | CMP COMPOSITION WITH ANIONIC AND CATIONIC INHIBITORS |
US11680186B2 (en) * | 2020-11-06 | 2023-06-20 | Fujifilm Electronic Materials U.S.A., Inc. | Polishing compositions and methods of using same |
KR20240120911A (ko) * | 2023-02-01 | 2024-08-08 | 주식회사 케이씨텍 | 텅스텐 연마용 슬러리 조성물 |
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US20240199917A1 (en) | 2024-06-20 |
CN111108161A (zh) | 2020-05-05 |
KR20200043488A (ko) | 2020-04-27 |
TWI687496B (zh) | 2020-03-11 |
EP3681963A2 (en) | 2020-07-22 |
CN111108161B (zh) | 2022-06-14 |
WO2019055160A3 (en) | 2019-04-25 |
EP4056659B1 (en) | 2024-04-03 |
EP4056659A1 (en) | 2022-09-14 |
WO2019055160A2 (en) | 2019-03-21 |
KR102691792B1 (ko) | 2024-08-02 |
TW201920532A (zh) | 2019-06-01 |
EP3681963B1 (en) | 2023-05-10 |
JP2020534680A (ja) | 2020-11-26 |
EP3681963A4 (en) | 2021-11-03 |
US20190085205A1 (en) | 2019-03-21 |
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