JP5398733B2 - 単相および二相の媒体による粒子除去のための材料 - Google Patents
単相および二相の媒体による粒子除去のための材料 Download PDFInfo
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- JP5398733B2 JP5398733B2 JP2010537991A JP2010537991A JP5398733B2 JP 5398733 B2 JP5398733 B2 JP 5398733B2 JP 2010537991 A JP2010537991 A JP 2010537991A JP 2010537991 A JP2010537991 A JP 2010537991A JP 5398733 B2 JP5398733 B2 JP 5398733B2
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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- 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
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
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- C11D3/3723—Polyamines or polyalkyleneimines
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- 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
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- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
- C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
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- 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
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- C11D3/3773—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines in liquid compositions
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- 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
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- C—CHEMISTRY; METALLURGY
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- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
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- 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
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- Engineering & Computer Science (AREA)
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Description
PRE=(洗浄前のカウント数−洗浄後のカウント数)/洗浄前のカウント数・・・(1)
Claims (23)
- 集積回路デバイスを規定するパターニング済み基板の表面上に供給されて、前記表面から汚染物質を除去するための洗浄剤であって、
溶媒と、
前記洗浄剤の水素イオン指数(pH)値を変化させるための緩衝剤であって、前記溶媒と共に洗浄溶液を形成する緩衝剤と、
10,000g/molを越える分子量を持つ高分子化合物のポリマと
を備え、
前記ポリマは、前記洗浄剤を形成するために前記洗浄溶液に溶解可能になり、前記溶解されたポリマは、集積回路デバイスを規定する前記パターニング済み基板の前記表面から前記汚染物質の少なくとも一部を捉えて取り込むために長いポリマ鎖を有し、前記洗浄剤は液相として規定され、前記パターニング済み基板を覆う前記洗浄剤に力が加えられた時に、前記洗浄剤は、前記パターニング済み基板の前記表面上のデバイスフィーチャの周りで変形し、前記洗浄剤は、前記パターニング済み基板の前記表面上に供給されて、前記表面上の前記デバイスフィーチャを実質的に損傷することなく前記表面から汚染物質を除去し、前記洗浄剤は、前記パターニング済み基板の前記表面上に供給される前には研磨粒子を実質的に含まない洗浄剤。 - 請求項1に記載の洗浄剤であって、前記溶媒は、水、イソプロピルアルコール(IPA)、ジメチルスルホキシド(DMSO)、ジメチルホルムアミド(DMF)、または、それらの組み合わせからなる群より選択される洗浄剤。
- 請求項1または請求項2に記載の洗浄剤であって、前記高分子化合物は、ポリアクリルアミド(PAM)、ポリアクリル酸(PAA)(Carbopol 940(商標)およびCarbopol 941(商標)など)、PAMおよびPAAのコポリマ、ポリ−(N,N−ジメチルアクリルアミド)(PDMAAm)、ポリ−(N−イソプロピルアクリルアミド)(PIPAAm)、ポリメタクリル酸(PMAA)、ポリメタクリルアミド(PMAAm)などのアクリルポリマ;ポリエチレンイミン(PEI)、ポリエチレンオキシド(PEO)、ポリプロピレンオキシド(PPO)などのポリイミンおよび酸化物;ポリビニルアルコール(PVA)、ポリエチレンスルホン酸(PESA)、ポリビニルアミン(PVAm)、ポリビニルピロリドン(PVP)、ポリ−4−ビニルピリジン(P4VP)などのビニルポリマ;メチルセルロース(MC)、エチルセルロース(EC)、ヒドロキシエチルセルロース(HEC)、カルボキシメチルセルロース(CMC)などのセルロース誘導体;アカシア、寒天およびアガロース、ヘパリン、グアーガム、キサンタンゴムなどの多糖類;アルブミン、コラーゲン、グルテンなどのタンパク質、からなる群より選択される洗浄剤。
- 請求項1ないし請求項3のいずれか一項に記載の洗浄剤であって、前記分子量は、約0.1Mg/molから約100Mg/molの間である洗浄剤。
- 請求項1ないし請求項4のいずれか一項に記載の洗浄剤であって、前記洗浄剤中の前記ポリマの重量パーセントは、約0.001%から約10%の間である洗浄剤。
- 請求項1ないし請求項5のいずれか一項に記載の洗浄剤であって、さらに、
前記洗浄溶液中の前記ポリマを分散または湿潤させるのを補助するために界面活性剤を含む洗浄剤。 - 請求項6に記載の洗浄剤であって、前記界面活性剤は、ドデシル硫酸アンモニウム(ADS)である洗浄剤。
- 請求項1ないし請求項7のいずれか一項に記載の洗浄剤であって、前記洗浄剤は、液体、ゾル、または、ゲルの形態の流体である洗浄剤。
- 請求項8に記載の洗浄剤であって、前記洗浄剤は、前記洗浄溶液中に溶解したポリマの液滴を含む液相のエマルションである洗浄剤。
- 請求項1に記載の洗浄剤であって、さらに、
気体を含み、前記洗浄剤は、液相および気相を含む二相を備えた泡である洗浄剤。 - 請求項1に記載の洗浄剤であって、前記pH値は、フロントエンド用途に対しては約7から約12の間である洗浄剤。
- 請求項1に記載の洗浄剤であって、前記pH値は、バックエンド用途に対しては約1から約7の間である洗浄剤。
- 請求項1に記載の洗浄剤であって、さらに、
前記洗浄溶液内でイオン化して、前記洗浄剤のイオン強度を増大させ、前記洗浄剤の粘度を低下させるイオン供給化合物を備える洗浄剤。 - 請求項1に記載の洗浄剤であって、前記ポリマは、ポリマ鎖を形成し、少なくとも一部は、イオン力、静電力、ファンデルワールス力、疎水性相互作用、立体相互作用、または、化学結合の影響を受けて、汚染物質を捉えて取り込む洗浄剤。
- 請求項1に記載の洗浄剤であって、前記洗浄剤の粘度は、500cP未満である洗浄剤。
- 請求項1に記載の洗浄剤であって、前記デバイスフィーチャのフィーチャサイズは、約45nm以下のクリティカルディメンションを有する洗浄剤。
- 請求項1に記載の洗浄剤であって、前記長いポリマ鎖の一部は、前記汚染物質を捉えて取り込むことを支援するポリマ網目を形成するように架橋される洗浄剤。
- 請求項1に記載の洗浄剤であって、前記洗浄剤の金属汚染物質は、1ppb未満である洗浄剤。
- 請求項1に記載の洗浄剤であって、前記洗浄剤の粒子状汚染物質は、65nm以上の粒子サイズについて20未満である洗浄剤。
- 請求項1に記載の洗浄剤であって、前記高分子化合物は、ポリアクリルアミド(PAM)であり、PAMの分子量は、500,000g/mol以上である洗浄剤。
- 集積回路デバイスを規定するパターニング済み基板の表面に供給されて、前記表面から汚染物質を除去するための洗浄剤であって、
溶媒と、
前記溶媒に溶解可能になった時に、ゲルの形態のポリマ鎖およびポリマ網目を形成するのに十分な大きさの分子量を有するポリマと
を備え、
前記溶媒および前記溶解されたポリマは、前記洗浄剤を形成し、前記洗浄剤が前記パターニング済み基板の前記表面上に供給される前に含む金属汚染物質は、1パーツ・パー・ビリオン(ppb)未満であり、前記ポリマ鎖およびポリマ網目を含む前記ポリマは、集積回路デバイスを規定する前記パターニング済み基板の前記表面から前記汚染物質を捉えて取り込み、前記パターニング済み基板の前記表面を覆う前記洗浄剤に力が加えられた時に、前記洗浄剤は、前記パターニング済み基板の前記表面上のデバイスフィーチャの周りで変形し、前記洗浄剤は、前記基板の前記表面上に供給されて、前記表面上の前記デバイスフィーチャを実質的に損傷することなく前記表面から汚染物質を除去し、前記洗浄剤は、前記パターニング済み基板の前記表面上に供給される前には研磨粒子を実質的に含まない洗浄剤。 - 集積回路デバイスを規定するパターニング済み基板の表面上に供給されて、前記表面から汚染物質を除去するための洗浄剤であって、
溶媒と、
前記洗浄剤の水素イオン指数(pH)値を変化させるための緩衝剤であって、前記溶媒と共に洗浄溶液を形成する緩衝剤と、
500,000g/mol以上の分子量を持つポリアクリルアミド(PAM)のポリマと
を備え、
前記ポリマは、前記洗浄剤を形成するために前記洗浄溶液に溶解可能になり、前記洗浄剤が前記パターニング済み基板の前記表面上に供給される前に含む金属汚染物質は1ppb未満であり、前記洗浄剤のpH値は約7から約12の間であり、前記溶解されたポリマは、集積回路デバイスを規定する前記パターニング済み基板の前記表面から前記汚染物質の少なくとも一部を捉えて取り込むために長いポリマ鎖を有し、前記洗浄剤は液相として規定され、前記パターニング済み基板を覆う前記洗浄剤に力が加えられた時に、前記洗浄剤は、前記パターニング済み基板の前記表面上のデバイスフィーチャの周りで変形し、前記洗浄剤は、前記パターニング済み基板の前記表面上に供給されて、前記表面上の前記デバイスフィーチャを実質的に損傷することなく前記表面から汚染物質を除去し、前記洗浄剤は、前記パターニング済み基板の前記表面上に供給される前には研磨粒子を実質的に含まない洗浄剤。 - 集積回路デバイスを規定するパターニング済み基板の表面上に供給されて、前記表面から汚染物質を除去するための洗浄剤であって、
溶媒と、
前記洗浄剤の水素イオン指数(pH)値を変化させるための緩衝剤であって、前記溶媒と共に洗浄溶液を形成する緩衝剤と、
500,000g/mol以上の分子量を持つCarbopol(商標)のポリマと
を備え、
前記ポリマは、前記洗浄剤を形成するために前記洗浄溶液に溶解可能になり、前記洗浄剤が前記パターニング済み基板の前記表面上に供給される前に含む金属汚染物質は1ppb未満であり、前記溶解されたポリマは、集積回路デバイスを規定する前記パターニング済み基板の前記表面から前記汚染物質の少なくとも一部を捉えて取り込むために長いポリマ鎖を有し、前記洗浄剤は液相として規定され、前記パターニング済み基板を覆う前記洗浄剤に力が加えられた時に、前記洗浄剤は、前記パターニング済み基板の前記表面上のデバイスフィーチャの周りで変形し、前記洗浄剤は、前記パターニング済み基板の前記表面上に供給されて、前記表面上の前記デバイスフィーチャを実質的に損傷することなく前記表面から汚染物質を除去し、前記洗浄剤は、前記パターニング済み基板の前記表面上に供給される前には研磨粒子を実質的に含まない洗浄剤。
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