JP7339605B2 - アルミノケイ酸塩ガラス - Google Patents
アルミノケイ酸塩ガラス Download PDFInfo
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- JP7339605B2 JP7339605B2 JP2019502902A JP2019502902A JP7339605B2 JP 7339605 B2 JP7339605 B2 JP 7339605B2 JP 2019502902 A JP2019502902 A JP 2019502902A JP 2019502902 A JP2019502902 A JP 2019502902A JP 7339605 B2 JP7339605 B2 JP 7339605B2
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- Prior art keywords
- glass
- mgo
- content
- aluminosilicate glass
- hexacoordinated
- Prior art date
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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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
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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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
Description
Claims (11)
- 板状であり、ガラス組成中のAl2O3の含有量がMgOの含有量以上であり、SiO2の含有量が50~67.5モル%(但し、SiO2の含有量が50モル%である場合を除く)であり、Al2O3の含有量が22.5~40モル%であり、MgOの含有量が10~30モル%であり、B 2 O 3 の含有量が0~1モル%であり、モル比MgO/(MgO+CaO+SrO+BaO)が0.8以上であり、ガラスネットワーク中に5配位のAl及び/又は6配位のAlを含むことを特徴とするアルミノケイ酸塩ガラス。
- (5配位のAl+6配位のAl)/(4配位のAl+5配位のAl+6配位のAl)が0.01以上であることを特徴とする請求項1に記載のアルミノケイ酸塩ガラス。
- (5配位のAl+6配位のAl)/(4配位のAl+5配位のAl+6配位のAl)が0.03以上であることを特徴とする請求項1に記載のアルミノケイ酸塩ガラス。
- ガラス組成として、モル%で、SiO2 50~67.5%(但し、SiO2の含有量が50モル%である場合を除く)、Al2O3 22.5~40%、Li2O+Na2O+K2O+MgO+CaO+SrO+BaO 10~30%、MgO 10~30%、Li2O+Na2O+K2O 0~20%、B 2 O 3 0~1%を含有し、モル比MgO/(MgO+CaO+SrO+BaO)が0.8以上であることを特徴とする請求項1~3の何れかに記載のアルミノケイ酸塩ガラス。
- ブリトルネスが8.1μm-0.5以下であることを特徴とする請求項1~4の何れかに記載のアルミノケイ酸塩ガラス。
- ビッカース硬度が5.0GPa以上であることを特徴とする請求項1~5の何れかに記載のアルミノケイ酸塩ガラス。
- 破壊靱性K1cが0.60MPa・m0.5以上であることを特徴とする請求項1~6の何れかに記載のアルミノケイ酸塩ガラス。
- ヤング率が60GPa以上であることを特徴とする請求項1~7の何れかに記載のアルミノケイ酸塩ガラス。
- クラック抵抗が500gf以上であることを特徴とする請求項1~8の何れかに記載のアルミノケイ酸塩ガラス。
- 表面にイオン交換による圧縮応力層を有しないことを特徴とする請求項1~9の何れかに記載のアルミノケイ酸塩ガラス。
- カバーガラスに用いることを特徴とする請求項1~10の何れかに記載のアルミノケイ酸塩ガラス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017036368 | 2017-02-28 | ||
JP2017036368 | 2017-02-28 | ||
PCT/JP2018/006000 WO2018159386A1 (ja) | 2017-02-28 | 2018-02-20 | アルミノケイ酸塩ガラス |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018159386A1 JPWO2018159386A1 (ja) | 2020-01-16 |
JP7339605B2 true JP7339605B2 (ja) | 2023-09-06 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019502902A Active JP7339605B2 (ja) | 2017-02-28 | 2018-02-20 | アルミノケイ酸塩ガラス |
Country Status (2)
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JP (1) | JP7339605B2 (ja) |
WO (1) | WO2018159386A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113242841B (zh) * | 2018-12-11 | 2023-05-02 | Agc株式会社 | 玻璃、化学强化玻璃和包含化学强化玻璃的电子设备 |
JPWO2021010376A1 (ja) * | 2019-07-17 | 2021-01-21 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010090026A (ja) | 2003-02-19 | 2010-04-22 | Nippon Electric Glass Co Ltd | 半導体パッケージ用カバーガラス |
WO2017126607A1 (ja) | 2016-01-21 | 2017-07-27 | 旭硝子株式会社 | 化学強化ガラスおよび化学強化用ガラス |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4180618A (en) * | 1977-07-27 | 1979-12-25 | Corning Glass Works | Thin silicon film electronic device |
US4664473A (en) * | 1985-04-01 | 1987-05-12 | Corning Glass Works | Optical fiber formed of MgO--Al2 O3 --SiO2 glass |
JPS61261232A (ja) * | 1985-05-13 | 1986-11-19 | Ohara Inc | 耐火・耐熱性ガラス |
CA1300648C (en) * | 1987-04-27 | 1992-05-12 | Francis Willis Martin | Glass-ceramics for electronic packaging |
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2018
- 2018-02-20 JP JP2019502902A patent/JP7339605B2/ja active Active
- 2018-02-20 WO PCT/JP2018/006000 patent/WO2018159386A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010090026A (ja) | 2003-02-19 | 2010-04-22 | Nippon Electric Glass Co Ltd | 半導体パッケージ用カバーガラス |
WO2017126607A1 (ja) | 2016-01-21 | 2017-07-27 | 旭硝子株式会社 | 化学強化ガラスおよび化学強化用ガラス |
Non-Patent Citations (4)
Title |
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P.Amista, et al.,Crystallization behaviour in the system MgO-Al2O3-SiO2,Journal of Non-Crystalline Solids,1995年,Vol.192&193,pp.529-533 |
Seiji Inaba, et al.,Young's Modulus and Compositional Parameters of Oxide Glasses,Journal of the American Ceramic Society,1999年,Vol.82 (12),pp.3501-3507 |
YI HU, H. and T. TSAI,Compositional effect on the crystallization of the cordierite-type glasses,JOURNAL OF MATERIALS SCIENCE,2001年,Vol.36,pp.123-129 |
坂村博康・安井至,2価イオンを含むアルカリアルミノケイ酸塩ガラスの内部摩擦,窯業協会誌,1985年,Vol. 93[12],pp.781-785 |
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Publication number | Publication date |
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WO2018159386A1 (ja) | 2018-09-07 |
JPWO2018159386A1 (ja) | 2020-01-16 |
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