JP4892565B2 - 安定化流体溶液を使用した基板調製及び安定流体溶液作成方法 - Google Patents
安定化流体溶液を使用した基板調製及び安定流体溶液作成方法 Download PDFInfo
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- JP4892565B2 JP4892565B2 JP2008548612A JP2008548612A JP4892565B2 JP 4892565 B2 JP4892565 B2 JP 4892565B2 JP 2008548612 A JP2008548612 A JP 2008548612A JP 2008548612 A JP2008548612 A JP 2008548612A JP 4892565 B2 JP4892565 B2 JP 4892565B2
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- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
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- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
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- 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
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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Description
表A
(a)DI水をビーカに加え、かき混ぜ始める。
(b)流動調整剤(例えば、重合体)を溶液に追加し、成分が溶解するまで高RPMで混合する。
(c)溶液を約75℃まで加熱し始める。
(d)溶液が50℃前後になった後、界面活性剤成分を追加する。
(e)相対的に高いRPM(顕著な泡層の生成無く、可能な限り高速)で混合するが、ある程度の気泡が溶液に混合されても構わない。
(f)溶液が75℃に達した後、中和塩基成分(例えば、NH4OH)を追加する。
(g)塩基を追加した直後に、ステアリン酸(例えば、脂肪酸)を追加する。
(h)ステアリン酸が実質的に融解するように約10分間混合する(攪拌速度を調整し、最大限に混和させる―気泡が多すぎる場合は混合速度を低下させる)。
(i)溶液を約75℃に維持した状態で、キレート剤を追加する。
(j)更に10分間混合する。
(k)この時点で、溶液を混合源から取り出し、容器において冷却(或いは後の使用のために保存)してよい。
Claims (20)
- 基板の表面を処理する際に使用する溶液を作成する方法であって、
連続媒体を用意する工程と、
前記連続媒体に重合体材料を追加する工程と、
前記重合体材料を有する前記連続媒体に脂肪酸を追加する工程と、
を備え、
前記溶液を攪拌して前記溶液を流動させる際に前記溶液に加わる剪断応力が前記重合体材料の降伏応力を上回るまでの間、前記溶液中の前記重合体材料は、前記溶液中における前記脂肪酸の移動を防止する、方法。 - 前記連続媒体は、脱イオン(DI)水、炭化水素、塩基性流体、フッ酸(HF)溶液、アンモニアに基づく溶液、又はDI水及び化学物質の混合物の何れかである、請求項1記載の方法。
- 前記重合体材料は、カルボポール、スタビリーゼ、レオビスATA及びレオビスATN、ポリ(アクリル酸)、カラギーナン、メチルセルロース、ヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、アラビアガム(アカシア)、トラガカントガム、ポリアクリレート、又はカルボマの何れかである、請求項1記載の方法。
- 前記脂肪酸は、ラウリン酸、パルミチン酸、ステアリン酸、オレイン酸、リノール酸、リノレン酸、アラキドン酸、ガドレイン酸、エルカ酸(eurcic acid)、酪酸、カプロン酸、カプリル酸、ミリスチン酸、マルガリン酸、ベヘン酸、リグノセリン酸(lignoseric acid)、ミリストレイン酸、パルミトレイン酸、ネルボン酸(nervanic acid)、パリナリン酸、ティムノドン酸、ブラシジン酸、クルパノドン酸、リグノセリン酸(lignoceric acid)、又はセロチン酸の何れかにより定められる、請求項1記載の方法。
- 前記脂肪酸はステアリン酸であり、前記連続媒体は脱イオン水であり、前記重合体材料はポリ(アクリル酸)である、請求項1記載の方法。
- 更に
(i)ポリ(アクリル酸)を前記連続培地に約50RPM乃至約1,500RPMの高毎分回転数(RPM)で混合する工程と、
(ii)前記溶液を約75℃まで加熱し、界面活性剤成分を追加する工程と、
(iii)中和塩基成分を追加する工程と、
(iv)前記ステアリン酸を追加した際に、前記ステアリン酸が実質的に溶液中で融解するように前記溶液を混合する工程と、
(v)前記溶液が約75℃である間にキレート剤を追加する工程と、
(vi)熟成できるように前記溶液を冷却する工程と、
を備える、請求項5記載の方法。 - 前記脂肪酸は、ステアリン酸(CH3(CH2)16COOH)、パルミチン酸、及びオレイン酸で構成された集合から選択される、請求項1記載の方法。
- 基板を洗浄する溶液を使用する方法であって、
少なくとも、連続媒体と、重合体材料と、固体材料とから混合される溶液で、前記溶液中の前記重合体材料は、前記溶液が安定弾性ゲル形態において維持されるように、有限の降伏応力を前記材料に与え、前記安定弾性ゲル形態は、前記固体材料の形態を適所に保持し、前記溶液の合成後、前記溶液の保存中常に、前記有限降伏応力未満の応力が前記溶液に与えられた場合に、前記固体材料が前記溶液中で移動するのを防止するように構成される溶液を、容器に供給する工程と
少なくとも、前記有限降伏応力以上で、前記安定弾性ゲルが流体状の挙動を示すようになる最低剪断応力を前記溶液に加える工程と、
前記最低剪断応力を与えた後、前記容器から前記溶液を流動させ、前記容器から流動させる前記溶液は、前記溶液中の前記固体材料の混合稠度を有する工程と、
前記基板の表面への付与のために、前記溶液を処理システムに供給する工程と、
を備える方法。 - 前記固体材料は、ラウリン酸、パルミチン酸、ステアリン酸、オレイン酸、リノール酸、リノレン酸、アラキドン酸、ガドレイン酸、エルカ酸(eurcic acid)、酪酸、カプロン酸、カプリル酸、ミリスチン酸、マルガリン酸、ベヘン酸、リグノセリン酸(lignoseric acid)、ミリストレイン酸、パルミトレイン酸、ネルボン酸(nervanic acid)、パリナリン酸、ティムノドン酸、ブラシジン酸、クルパノドン酸、リグノセリン酸(lignoceric acid)、又はセロチン酸の何れかにより定められる脂肪酸である、請求項8記載の基板を洗浄する溶液を使用する方法。
- 前記連続媒体は、脱イオン(DI)水、炭化水素、塩基性流体、フッ酸(HF)溶液、アンモニアに基づく溶液、又はDI水及び化学物質の混合物の何れかである、請求項8記載の基板を洗浄する溶液を使用する方法。
- 前記重合体材料は、ポリ(アクリル酸)、カルボポール、スタビリーゼ、レオビスATA及びレオビスATN、カラギーナン、メチルセルロース、ヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、アラビアガム(アカシア)、トラガカントガム、ポリアクリレート、又はカルボマの何れかである、請求項8記載の基板を洗浄する溶液を使用する方法。
- 少なくとも最低剪断応力を前記溶液に加える工程は、前記容器からの前記溶液のポンピングにより行われ、前記ポンピングは、前記溶液を流動させる前記有限降伏応力を上回る攪拌を提供する、請求項8記載の基板を洗浄する溶液を使用する方法。
- 前記溶液を流動させるのは、前記容器から前記処理システムまでである、請求項8記載の基板を洗浄する溶液を使用する方法。
- 前記処理システムは、近接ヘッドシステムであり、前記近接ヘッドシステムは、前記近接ヘッドと前記基板の表面との間で、メニスカスの形態で前記溶液を付与する、請求項13記載の基板を洗浄する溶液を使用する方法。
- 前記近接ヘッドシステムは、第一の表面を処理するための第一のヘッドと、第二の表面を処理するための第二のヘッドとを含む、請求項14記載の基板を洗浄する溶液を使用する方法。
- 基板洗浄システムであって、
洗浄工程中に基板の表面に、溶液により定められるメニスカスを付与する近接ヘッドシステムと、
少なくとも、連続媒体と、重合体材料と、固体材料とから混合される溶液で、前記溶液中の前記重合体材料は、前記溶液が安定弾性ゲル形態において維持されるように、有限の降伏応力を前記材料に与え、前記安定弾性ゲル形態は、前記固体材料の形態を適所に保持し、前記溶液の合成後、前記溶液の保存中常に、前記有限降伏応力未満の応力が前記固体材料に与えられた場合に、前記固体材料が前記溶液中で移動するのを防止するように構成される溶液を、保持するための容器と、
少なくとも最低剪断応力を前記溶液に加え、前記溶液を流動させる前記有限降伏応力を超える攪拌を提供する、前記溶液を前記容器から前記近接ヘッドシステムへ移動させるためのポンプと、
メニスカスの形態で前記基板の前記表面に付与されるように構成された前記溶液を受領する前記近接ヘッドシステムのヘッドと、
を備える基板洗浄システム。 - 前記メニスカスは、流体形態又は発泡形態である、請求項16記載の基板洗浄システム。
- 更に、前記溶液を、流体部分、気体部分、及び固体部分により定められる三状態体に変化させる発泡生成システムを備える、請求項16記載の基板洗浄システム。
- 基板洗浄システムであって、
洗浄工程中に基板の表面に溶液を付与するジェット付与システムと、
少なくとも、連続媒体と、重合体材料と、固体材料とから混合される溶液で、前記溶液中の前記重合体材料は、前記溶液が安定弾性ゲル形態において維持されるように、有限の降伏応力を前記材料に与え、前記安定弾性ゲル形態は、前記固体材料の形態を適所に保持し、前記溶液の合成後、前記溶液の保存中常に、前記有限降伏応力未満の応力が前記固体材料に与えられた場合に、前記固体材料が前記溶液中で移動するのを防止するように構成される溶液を、保持するための容器と、
少なくとも最低剪断応力を前記溶液に加え、前記溶液を流動させる前記有限降伏応力を超える攪拌を提供する、前記溶液を前記容器から前記ジェット付与システムへ移動させるためのポンプと、
を備え、
前記ジェットは、不必要な汚染物を除去するために、前記基板の前記表面に前記溶液を吹き付ける、基板洗浄システム。 - 前記ジェットは、前記基板の前記表面に前記溶液の液流を付与する、請求項19記載の基板洗浄システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US75537705P | 2005-12-30 | 2005-12-30 | |
US60/755,377 | 2005-12-30 | ||
PCT/US2006/048548 WO2007078955A2 (en) | 2005-12-30 | 2006-12-18 | Substrate preparation using stabilized fluid solutions and methods for making stable fluid solutions |
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