JP7405757B2 - 静電帯電の低減のための起伏加工済みガラス表面 - Google Patents
静電帯電の低減のための起伏加工済みガラス表面 Download PDFInfo
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10064—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising at least two glass sheets, only one of which being an outer layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10128—Treatment of at least one glass sheet
- B32B17/10137—Chemical strengthening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10128—Treatment of at least one glass sheet
- B32B17/10146—Face treatment, e.g. etching, grinding or sand blasting
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2204/00—Glasses, glazes or enamels with special properties
- C03C2204/08—Glass having a rough surface
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
Description
化学処理済み主表面を備えるガラス基板であって、
上記ガラス基板は、約1%以下のヘイズ値を有し、また未処理であること以外は同一のガラス基板と比較した場合に、化学処理済み主表面に対して実施されるリフト試験(Lift Test)に供した場合に、70%を超えるESC性能の改善を更に備える、ガラス基板。
上記ガラス基板は更に、未処理であること以外は同一のガラス基板と比較した場合に、350nm~400nmの波長範囲にわたって0.25%を超える透過率の改善を備える、実施形態1に記載のガラス基板。
上記ガラス基板は化学強化ガラス基板である、実施形態1に記載のガラス基板。
上記ガラス基板は、第1の熱膨張係数を有する第1のガラス層と、上記第1のガラス層に融着した、上記第1の熱膨張係数とは異なる第2の熱膨張係数を有する、第2のガラス層とを備える、積層ガラス基板である、実施形態1に記載のガラス基板。
上記化学処理済み主表面は、複数の***特徴部分を備え、
上記***特徴部分の平均特徴部分密度は、約0.2個/μm2~約1個/μm2である、実施形態1に記載のガラス基板。
上記***特徴部分の平均特徴部分体積は、約0.014μm3~約0.25μm3である、実施形態5に記載のガラス基板。
上記化学処理済み主表面の総表面積に対する上記***特徴部分の総表面積は、約4%~約35%である、実施形態5に記載のガラス基板。
上記化学処理済み主表面の平均表面粗度Raは、約0.4ナノメートル~約10ナノメートルである、実施形態1に記載のガラス基板。
起伏加工済みガラス基板の形成方法であって、
上記方法は、約50重量%~約60重量%の酢酸、約10重量%~約25重量%のフッ化アンモニウム、及び約20重量%~約35重量%の水を含むエッチング液を用いて、ガラス基板の主表面を処理するステップを含む、起伏加工済みガラス基板の形成方法。
上記処理するステップの間、上記ガラス基板の上記主表面は、約30秒未満の時間にわたって上記エッチング液に曝露される、実施形態9に記載の方法。
上記処理するステップの間、上記ガラス基板の温度は約18℃~約60℃である、実施形態10に記載の方法。
上記処理するステップの後の上記主表面の平均表面粗度Raは、約0.4ナノメートル~約10ナノメートルである、実施形態9に記載の方法。
上記処理するステップの後、上記ガラス基板は、1%未満の総ヘイズ値を示し、また、化学処理済みの上記主表面に対して実施されるリフト試験に供すると、未処理であること以外は同一のガラス基板と比較した場合に、70%を超えるESC性能の上昇を示す、実施形態9に記載の方法。
12 第1の主表面、第1の表面
14 第2の主表面、第2の表面
16 エッチング液耐性保護フィルム
Claims (8)
- 化学処理済み主表面を備えるガラス基板であって、
前記ガラス基板は、1%以下のヘイズ値を有し、また未処理であること以外は同一のガラス基板と比較した場合に、化学処理済み主表面に対して実施されるリフト試験(Lift Test)に供した場合に、70%を超える静電帯電の低下を更に示す、ガラス基板。 - 前記ガラス基板は、第1の熱膨張係数を有する第1のガラス層と、前記第1のガラス層に融着した、前記第1の熱膨張係数とは異なる第2の熱膨張係数を有する、第2のガラス層とを備える、積層ガラス基板である、請求項1に記載のガラス基板。
- 前記化学処理済み主表面は、複数の***特徴部分を備え、
前記***特徴部分の平均特徴部分密度は、0.2個/μm2~1個/μm2である、請求項1または2に記載のガラス基板。 - 前記***特徴部分の平均特徴部分体積は、0.014μm3~0.25μm3である、請求項3に記載のガラス基板。
- 前記化学処理済み主表面の総表面積に対する前記***特徴部分の総表面積は、4%~35%である、請求項3に記載のガラス基板。
- 前記化学処理済み主表面の平均表面粗度Raは、0.4ナノメートル~10ナノメートルである、請求項1~5のいずれか1項に記載のガラス基板。
- 起伏加工済みガラス基板の形成方法であって、
前記方法は、50重量%~60重量%の酢酸、10重量%~25重量%のフッ化アンモニウム、及び20重量%~35重量%の水を含むエッチング液を用いて、ガラス基板の主表面を処理するステップを含み、
前記処理するステップの後、前記ガラス基板は、1%未満の総ヘイズ値を示し、また、化学処理済みの前記主表面に対して実施されるリフト試験に供すると、未処理であること以外は同一のガラス基板と比較した場合に、70%を超える静電帯電の低下を示す、起伏加工済みガラス基板の形成方法。 - 前記処理するステップの後の前記主表面の平均表面粗度Raは、0.4ナノメートル~10ナノメートルである、請求項7に記載の方法。
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