JP5180185B2 - 改良された平坦化のためのポリマー抑制剤 - Google Patents
改良された平坦化のためのポリマー抑制剤 Download PDFInfo
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- JP5180185B2 JP5180185B2 JP2009502741A JP2009502741A JP5180185B2 JP 5180185 B2 JP5180185 B2 JP 5180185B2 JP 2009502741 A JP2009502741 A JP 2009502741A JP 2009502741 A JP2009502741 A JP 2009502741A JP 5180185 B2 JP5180185 B2 JP 5180185B2
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- polishing
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- het
- copper
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- 239000003112 inhibitor Substances 0.000 title claims description 9
- 229920000642 polymer Polymers 0.000 title description 31
- 238000005498 polishing Methods 0.000 claims description 154
- 239000000758 substrate Substances 0.000 claims description 67
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- 229910052802 copper Inorganic materials 0.000 claims description 56
- 239000010949 copper Substances 0.000 claims description 56
- KLSJWNVTNUYHDU-UHFFFAOYSA-N Amitrole Chemical group NC1=NC=NN1 KLSJWNVTNUYHDU-UHFFFAOYSA-N 0.000 claims description 48
- 239000004094 surface-active agent Substances 0.000 claims description 42
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- 239000000126 substance Substances 0.000 claims description 29
- 125000000623 heterocyclic group Chemical group 0.000 claims description 26
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- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 21
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- 239000002184 metal Substances 0.000 claims description 21
- 239000012964 benzotriazole Substances 0.000 claims description 20
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- LOIYMIARKYCTBW-OWOJBTEDSA-N trans-urocanic acid Chemical compound OC(=O)\C=C\C1=CNC=N1 LOIYMIARKYCTBW-OWOJBTEDSA-N 0.000 description 1
- LOIYMIARKYCTBW-UHFFFAOYSA-N trans-urocanic acid Natural products OC(=O)C=CC1=CNC=N1 LOIYMIARKYCTBW-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- 239000004711 α-olefin Substances 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
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/008—Polymeric surface-active agents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/58—Heterocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
- C11D17/049—Cleaning or scouring pads; Wipes
-
- 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
- H01L21/18—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
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/22—Electronic devices, e.g. PCBs or semiconductors
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- Chemical Kinetics & Catalysis (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
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- Manufacturing & Machinery (AREA)
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- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Description
本発明は、そのような系及び方法を提供する。本発明のこれらの及び他の利点、及び追加の発明的特徴は、本明細書の記載から明らかである。
Het−X−(CH2CH2O)m(CH2CHR1O)nR2
(Hetは、ヘテロ環の炭素原子又はヘテロ環の一部である窒素原子を介してXに化学的に結合している1,2,3−トリアゾール、1,2,4−トリアゾール、ピラゾール、イミダゾール、インダゾール、テトラゾール、ベンズイミダゾール、ベンゾトリアゾール、及びそれらのアルキル化誘導体からなる群より選択されるヘテロ環であり;Xは、(CH2)m(mは1〜5の整数)、O、C(=O)O、CH2O、CH2CH2O、又は直接結合であり;m及びnは0〜20の整数(但し、m及びnが同時に0ではない)であり;R1は、H又はC1〜C10の分岐鎖及び直鎖のアルキル及びアルケニルであり;且つR2は、H、C1〜C10の分岐鎖及び直鎖のアルキル及びアルケニル、並びにC3〜C10のシクロアルキルからなる群より選択される。
Het−X−(CH2CH2NR3)nR4
(Hetは、ヘテロ環の炭素原子又はヘテロ環の一部である窒素原子を介してXに化学的に結合している1,2,3−トリアゾール、1,2,4−トリアゾール、ピラゾール、イミダゾール、インダゾール、テトラゾール、ベンズイミダゾール、及びベンゾトリアゾールからなる群より選択されるヘテロ環であり;Xは、(CH2)m(mは1〜5の整数)、NH、C(=O)NH、CH2NH、CH2CH2NH、又は直接結合であり;nは1〜20の整数であり;R3は、H又は(CH2CH2NHR5 2)p(ここでR5は、C1〜C5の分岐鎖及び直鎖のアルキルであり、且つpは1〜5の整数);且つR4は、H、C1〜C10の分岐鎖及び直鎖のアルキル及びアルケニル、並びにC3〜C10のシクロアルキルからなる群より選択される。
Het1−X−(CH2CHR6Z)n−Y−Het2
(Het1及びHet2は独立に、1,2,3−トリアゾール、1,2,4−トリアゾール、ピラゾール、イミダゾール、インダゾール、テトラゾール、ベンズイミダゾール、及びベンゾトリアゾールからなる群より選択され、ヘテロ環の炭素原子又はヘテロ環の一部である窒素原子を介して、Het1はXに化学的に結合しており、且つHet2はYに化学的に結合しており;Xは、(CH2)m(mは1〜5の整数)、Z、C(=O)Z、CH2Z、又は直接結合であり;nは1〜20の整数であり;R6は、H、又はC1〜C10の分岐鎖及び直鎖のアルキルからなる群より選択され、且つZがNである場合には、(CH2CH2NHR7 2)m(ここでR7は、C1〜C5の分岐鎖及び直鎖のアルキルであり、且つmは1〜5の整数);Yが(CH2)m(ここでmは上記の通り)、C(=O)、又は直接結合であり;且つZは、O又はNR1(R1は上記の通り)である。)
この例は、アゾール基を有する界面活性剤、具体的にはペンタ(エチレングリコール)ベンゾトリアゾール−5−カルボキシレートの調製を示している。
この例は、2つのアゾール基を有する界面活性剤、具体的にはペンタ(エチレングリコール)ビス(ベンゾトリアゾール−5−カルボキシレート)の調製を示している。
この例は、本発明によって少なくとも1つのアゾール基を有する界面活性剤を研磨組成物に加えたときの、銅含有基材の研磨におけるディッシング及びエロージョンへの影響について示す。
Claims (8)
- 銅含有基材のための、下記の(a)〜(c)を含有する化学機械的研磨系:
(a)研磨材、及び研磨パッドと研磨材との組合せからなる群より選択される研磨成分、
(b)アゾール基を有する界面活性剤であって、下記の式:
Het−X−(CH2CH2O)m(CH2CHR1O)nR2
ここで、Hetは、ヘテロ環の炭素原子又はヘテロ環の一部である窒素原子を介してXに化学的に結合している1,2,3−トリアゾール、1,2,4−トリアゾール、ピラゾール、イミダゾール、インダゾール、テトラゾール、ベンズイミダゾール、ベンゾトリアゾール、及びそれらのアルキル化誘導体からなる群より選択されるヘテロ環であり;Xは、(CH2)p、ここでpは1〜5の整数であり、O、C(=O)O、CH2O、CH2CH2O、又は直接結合であり;m及びnは0〜20の整数であり、但しm及びnが同時に0ではなく;R1は、HならびにC1〜C10の分岐鎖及び直鎖のアルキルとアルケニルからなる群から選ばれ;且つR2は、H、C1〜C10の分岐鎖及び直鎖のアルキル及びアルケニル、並びにC3〜C10のシクロアルキルからなる群より選択される、
あるいは、下記の式:
Het1−X−(CH2CHR6Z)n−Y−Het2
ここで、Het1及びHet2は独立に、1,2,3−トリアゾール、1,2,4−トリアゾール、ピラゾール、イミダゾール、インダゾール、テトラゾール、ベンズイミダゾール、及びベンゾトリアゾールからなる群より選択され、ヘテロ環の炭素原子又はヘテロ環の一部である窒素原子を介して、Het1はXに化学的に結合しており、且つHet2はYに化学的に結合しており;Xは、(CH2)m、Z、C(=O)Z、CH2Z、又は直接結合であり、ここでmは1〜5の整数であり;nは1〜20の整数であり;R6は、H、又はC1〜C10の分岐鎖及び直鎖のアルキルからなる群より選択され;Yが(CH2)m、C(=O)、又は直接結合であり、ここでmは1〜5の整数であり;且つZは、Oである、
で表される、界面活性剤0.005質量%〜5質量%、並びに
(c)液体キャリアー、
該化学機械研磨系は、1,2,3−トリアゾール、1,2,4−トリアゾール、1−Hベンゾトリアゾール、1−ヒドロキシベンゾトリアゾール、1−メチルベンゾトリアゾール、5−メチルベンゾトリアゾール、ベンゾトリアゾール、2−メチルベンズイミダゾール、及び5−クロロベンゾトリアゾールからなる群より選択された銅酸化抑制剤を含まない。 - 液体キャリアー中に懸濁している研磨材を更に含む、請求項1に記載の研磨系。
- 前記研磨材が、アルミナ、セリア、ゲルマニア、マグネシア、シリカ、チタニア、ジルコニア、それらの共生成物、及びそれらの組み合わせからなる群より選択される、請求項2に記載の研磨系。
- 研磨パッドに固定された研磨材を含む、請求項1に記載の研磨系。
- 前記研磨系が、酸化剤及びキレート剤の一方又は両方を更に含む、請求項1に記載の研磨系。
- 下記の(i)〜(iii)を含む、基材を化学機械的研磨する方法:
(i)基材を、請求項1〜5のいずれかに記載の前記化学機械的研磨系と接触させること;
(ii)研磨パッドを基材に対して動かすこと;並びに
(iii)基材の少なくとも一部を摩耗させて、基材を研磨すること。 - 前記基材が、金属層及び絶縁層の一方又は両方を有する、請求項6に記載の方法。
- 前記金属層が、銅を含む、請求項7に記載の方法。
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JP2009088243A (ja) * | 2007-09-28 | 2009-04-23 | Fujifilm Corp | 研磨液 |
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JP5625044B2 (ja) | 2009-04-22 | 2014-11-12 | エルジー・ケム・リミテッド | 化学的機械的研磨用スラリー |
EP2489714B1 (en) * | 2009-10-13 | 2015-08-12 | LG Chem, Ltd. | Slurry composition for cmp, and polishing method |
WO2015004567A2 (en) * | 2013-07-11 | 2015-01-15 | Basf Se | Chemical-mechanical polishing composition comprising benzotriazole derivatives as corrosion inhibitors |
US9593261B2 (en) * | 2015-02-04 | 2017-03-14 | Asahi Glass Company, Limited | Polishing agent, polishing method, and liquid additive for polishing |
CN104864266B (zh) * | 2015-05-07 | 2017-11-17 | 中国海洋石油总公司 | 一种单分子水合物抑制剂 |
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KR101943702B1 (ko) * | 2016-05-12 | 2019-01-29 | 삼성에스디아이 주식회사 | 구리 연마용 cmp 슬러리 조성물 및 이를 이용한 연마 방법 |
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