JP6382932B2 - 固体含有率の低いcmp組成物及びそれに関する方法 - Google Patents
固体含有率の低いcmp組成物及びそれに関する方法 Download PDFInfo
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- JP6382932B2 JP6382932B2 JP2016501460A JP2016501460A JP6382932B2 JP 6382932 B2 JP6382932 B2 JP 6382932B2 JP 2016501460 A JP2016501460 A JP 2016501460A JP 2016501460 A JP2016501460 A JP 2016501460A JP 6382932 B2 JP6382932 B2 JP 6382932B2
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
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- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 239000006117 anti-reflective coating Substances 0.000 description 2
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- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
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- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
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- 239000003960 organic solvent Substances 0.000 description 2
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- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
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- DYZHZLQEGSYGDH-UHFFFAOYSA-N 7-bicyclo[4.2.0]octa-1,3,5-trienyl-[[7,8-bis(ethenyl)-7-bicyclo[4.2.0]octa-1,3,5-trienyl]oxy]silane Chemical compound C1C2=CC=CC=C2C1[SiH2]OC1(C=C)C2=CC=CC=C2C1C=C DYZHZLQEGSYGDH-UHFFFAOYSA-N 0.000 description 1
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- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 1
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- 102100030356 Arginase-2, mitochondrial Human genes 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
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- MRABAEUHTLLEML-UHFFFAOYSA-N Butyl lactate Chemical compound CCCCOC(=O)C(C)O MRABAEUHTLLEML-UHFFFAOYSA-N 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 1
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- 101000792835 Homo sapiens Arginase-2, mitochondrial Proteins 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
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- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
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- 230000002411 adverse Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 1
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- 238000004458 analytical method Methods 0.000 description 1
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- 239000000872 buffer Substances 0.000 description 1
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- 238000004364 calculation method Methods 0.000 description 1
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- ODQWQRRAPPTVAG-GZTJUZNOSA-N doxepin Chemical compound C1OC2=CC=CC=C2C(=C/CCN(C)C)/C2=CC=CC=C21 ODQWQRRAPPTVAG-GZTJUZNOSA-N 0.000 description 1
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- 235000011187 glycerol Nutrition 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- PEYVWSJAZONVQK-UHFFFAOYSA-N hydroperoxy(oxo)borane Chemical compound OOB=O PEYVWSJAZONVQK-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
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- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
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- DPBLXKKOBLCELK-UHFFFAOYSA-N pentan-1-amine Chemical compound CCCCCN DPBLXKKOBLCELK-UHFFFAOYSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
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- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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- 230000035945 sensitivity Effects 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
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- 239000000725 suspension Substances 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
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 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
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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/24—Homopolymers or copolymers of amides or imides
- C08L33/26—Homopolymers or copolymers of acrylamide or methacrylamide
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
Description
この例は、3種の異なった研磨剤組成物(1A〜1C)のスピンオン炭素(SoC)有機フィルム基材(ウェハ)の除去速度に対する効果を比較する。
この例は、SoC有機フィルム基材を磨くときの3種の異なった研磨剤組成物(2A〜2C)の欠陥数に対する効果を比較する。
この例は、SoC有機フィルム基材が、従来の系で研磨にかけられたときに欠陥を示す傾向を例示する。
この例は、異なった研磨剤組成物中に種々の界面活性剤を含む効果を、(a)スピンオン炭素(SoC)有機フィルム及び(b)該有機フィルムの下にあるポリシリコンの除去速度に関して比較する。
Claims (21)
- (a)ポリマーでコートされた0.001重量%〜0.1重量%の研磨剤粒子、
(b)少なくとも1種のアニオン性界面活性剤、及び
(c)水、
を含み、1.5〜5のpHを有する研磨剤組成物であって、
前記ポリマーが、アクリル酸ポリ(2−アクリルアミド−2−メチル−1−プロパンスルホン酸)である、研磨剤組成物。 - 前記研磨剤粒子が、アルミナ、ヒュームドシリカ、シリカ、及び/又はジルコニアを含む、請求項1に記載の研磨剤組成物。
- 前記研磨剤粒子がα−アルミナを含む、請求項1に記載の研磨剤組成物。
- 前記粒子がASTM E111により定められた2.5GPa以下の弾性モジュラスを有する有機フィルム基材と接触したときに、前記ポリマーが、トルク測定方法により定められた0.1〜0.5の摩擦係数を達成するのに効果的である、請求項1に記載の研磨剤組成物。
- 前記ポリマーが水溶性アニオン性ポリマーである、請求項1に記載の研磨剤組成物。
- 前記組成物が有機フィルムの研磨に効果的であり、前記組成物は有機ポリマーを酸化する酸化剤をさらに含む、請求項1に記載の研磨剤組成物。
- 水滴が適用されたときに70°以上の接触角を有する有機フィルムの研磨に前記組成物が効果的であり、及び水滴が有機フィルムに適用されたときに前記アニオン性界面活性剤が有機フィルムの接触角を60°以下に低下させるのに効果的である、請求項1に記載の研磨剤組成物。
- 前記アニオン性界面活性剤が、カルボン酸塩、スルホン酸塩、硫酸塩、リン酸塩、ホスホン酸塩、及びそれらの組合せからなる群から選択される、請求項1に記載の研磨剤組成物。
- 前記アニオン性界面活性剤がスルホン酸基を含む、請求項8に記載の研磨剤組成物。
- 前記アニオン性界面活性剤がジフェニルオキシドジスルホン酸塩を含む、請求項8に記載の研磨剤組成物。
- (a)0.1重量%以下の量の研磨剤粒子、
(b)少なくとも1種のアニオン性界面活性剤、
(c)炭素含有率が少なくとも60%の有機ポリマーを酸化する酸化剤、及び
(d)水
を含み、1.5〜5のpHを有する研磨剤組成物であって、
前記研磨剤粒子がポリマーでコートされたα−アルミナ粒子を含み、
前記ポリマーがアクリル酸ポリ(2−アクリルアミド−2−メチル−1−プロパンスルホン酸)である、研磨剤組成物。 - (i)基材を、研磨パッド及び請求項1に記載の研磨剤組成物と接触させる工程、及び
(ii)研磨パッド及び研磨剤組成物を基材に対して移動させて、基材の少なくとも一部分を摩耗させて基材を磨く工程
を含む、基材を磨く方法。 - 前記基材が有機ポリマーを含み、前記有機ポリマーが摩耗されて前記基材が磨かれる、請求項12に記載の方法。
- 前記有機ポリマーがスピンオン炭素材料を含む、請求項13に記載の方法。
- 前記有機ポリマーが、ASTM E111にしたがって測定された2.5GPa以下の弾性モジュラスを有する、請求項13に記載の方法。
- 前記粒子が有機フィルム基材と接触したときに、接触の結果、トルク測定方法により測定して0.1〜0.5の摩擦係数が生ずる、請求項13に記載の方法。
- (i)基材を、研磨パッド及び請求項11に記載の研磨剤組成物と接触させる工程、及び
(ii)研磨パッド及び研磨剤組成物を基材に対して移動させて基材の少なくとも一部分を摩耗させて基材を磨く工程
を含む、基材を磨く方法。 - 前記基材が有機ポリマーを含み、前記有機ポリマーが摩耗されて基材が磨かれる、請求項17に記載の方法。
- 前記有機ポリマーがスピンオン炭素材料を含む、請求項18に記載の方法。
- 前記有機ポリマーが、ASTM E111により測定して2.5GPa以下の弾性モジュラスを有する、請求項18に記載の方法。
- 前記粒子が有機フィルム基材と接触したときに、接触の結果、トルク測定方法により測定して0.1〜0.5の摩擦係数が生ずる、請求項18に記載の方法。
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PCT/US2014/024274 WO2014150804A1 (en) | 2013-03-15 | 2014-03-12 | Cmp compositions with low solids content and methods related thereto |
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