JP2011057504A - 強化ガラス - Google Patents
強化ガラス Download PDFInfo
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- JP2011057504A JP2011057504A JP2009208649A JP2009208649A JP2011057504A JP 2011057504 A JP2011057504 A JP 2011057504A JP 2009208649 A JP2009208649 A JP 2009208649A JP 2009208649 A JP2009208649 A JP 2009208649A JP 2011057504 A JP2011057504 A JP 2011057504A
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- 239000005341 toughened glass Substances 0.000 title claims abstract description 104
- 239000011521 glass Substances 0.000 claims abstract description 86
- 239000000203 mixture Substances 0.000 claims abstract description 36
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 37
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 24
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 22
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 19
- 229910052708 sodium Inorganic materials 0.000 claims description 17
- 238000007500 overflow downdraw method Methods 0.000 claims description 14
- 239000007791 liquid phase Substances 0.000 claims description 12
- 239000006059 cover glass Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000005342 ion exchange Methods 0.000 abstract description 48
- 238000004031 devitrification Methods 0.000 abstract description 36
- 239000010410 layer Substances 0.000 description 42
- 230000007423 decrease Effects 0.000 description 28
- 238000000034 method Methods 0.000 description 28
- 230000000694 effects Effects 0.000 description 18
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 230000003247 decreasing effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000000465 moulding Methods 0.000 description 9
- 238000005728 strengthening Methods 0.000 description 7
- 230000001771 impaired effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- 229910006404 SnO 2 Inorganic materials 0.000 description 5
- 239000005357 flat glass Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000005496 tempering Methods 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 239000006060 molten glass Substances 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229920001690 polydopamine Polymers 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 238000007088 Archimedes method Methods 0.000 description 2
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000003280 down draw process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000006025 fining agent Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007372 rollout process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- 238000006124 Pilkington process Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000006063 cullet Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Glass Compositions (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
【解決手段】本発明の強化ガラスは、表面に圧縮応力層を有する強化ガラスにおいて、ガラス組成として、質量%で、SiO2 45〜75%、Al2O3 12〜24%、Na2O 11〜25%、P2O5 0.1〜10%を含有することを特徴とする。
【選択図】なし
Description
(1)質量%で、SiO2 45〜65%、Al2O3 15〜23%、B2O3 0〜2%、Li2O 0〜4%、Na2O 12〜19%、K2O 1〜8%、MgO 0〜5%、CaO 0〜3%、MgO+CaO 0〜5%、TiO2 0〜0.5%、ZrO2、0〜0.5%、P2O5 0.5〜8%含有、
(2)質量%で、SiO2 45〜65%、Al2O3 16〜23%、B2O3 0〜2%、Li2O 0〜4%、Na2O 12〜19%、K2O 1〜8%、MgO 0〜5%、CaO 0〜2%、MgO+CaO 0〜5%、TiO2 0〜0.5%、ZrO2、0〜0.5%、P2O5 1〜8%含有、
(3)質量%で、SiO2 45〜65%、Al2O3 17〜23%、B2O3 0〜2%、Li2O 0〜4%、Na2O 12〜19%、K2O 3〜8%、MgO 0〜5%、CaO 0〜5%、MgO+CaO 0〜5%、SrO+BaO 0〜1%、TiO2 0〜0.5%、ZrO2、0〜0.5%P2O5 2〜8%含有、
(4)質量%で、SiO2 48〜61%、Al2O3 18〜22%、B2O3 0〜1%、Li2O 0〜3%、Na2O 13〜18%、K2O 3〜7%、MgO 0〜5%、CaO 0〜5%、MgO+CaO 0〜5%、SrO+BaO 0〜0.5%、TiO2 0〜0.1%、ZrO2、0〜0.1%P2O5 2〜7%含有、
(5)質量%で、SiO2 48〜61%、Al2O3 18〜21%、B2O3 0〜1%、Li2O 0〜2%、Na2O 14〜18%、K2O 3〜7%、MgO 0〜5%、CaO 0〜5%、MgO+CaO 0〜5%、SrO+BaO 0〜0.1%、TiO2 0〜0.1%、ZrO2、0〜0.1%、ZnO 0〜0.01%、P2O5 2〜7%含有。
(6)質量%で、SiO2 48〜55%、Al2O3 18〜21%、B2O3 0〜1%、Li2O 0〜1%、Na2O 12〜18%、K2O 3〜7%、MgO 0〜5%、CaO 0〜2%、MgO+CaO 0〜5%、SrO+BaO 0〜0.1%、TiO2 0〜0.1%、ZrO2、0〜0.1%、ZnO 0〜0.01%、P2O5 2〜6%含有。
Claims (17)
- 表面に圧縮応力層を有する強化ガラスにおいて、
ガラス組成として、質量%で、SiO2 45〜75%、Al2O3 12〜24%、Na2O 11〜25%、P2O5 0.1〜10%を含有することを特徴とする強化ガラス。 - ガラス組成として、質量%でSiO2 45〜70%、Al2O3 12〜24%、Li2O 0〜10%、Na2O 11〜20%、K2O 0〜10%、MgO 0〜8%、CaO 0〜8%、MgO+CaO 0〜9%、SrO+BaO 0〜5%、TiO2 0〜4%、P2O5 0.1〜10%を含有することを特徴とする請求項1に記載の強化ガラス。
- ガラス組成として、質量%でSiO2 45〜70%、Al2O3 15〜24%、B2O3 0〜3%、Li2O 0〜8%、Na2O 11〜20%、K2O 1〜9%、MgO 0〜6%、CaO 0〜8%、MgO+CaO 0〜8%、SrO+BaO 0〜3%、TiO2 0〜1%、P2O5 1〜9%を含有することを特徴とする請求項1に記載の強化ガラス。
- 圧縮応力層の圧縮応力値が300MPa以上であり、且つ圧縮応力層の厚みが30μm以上であることを特徴とする請求項1〜3のいずれかに記載の強化ガラス。
- 化学的に強化されてなることを特徴とする請求項1〜4のいずれかに記載の強化ガラス。
- 密度が2.6g/cm3以下であることを特徴とする請求項1〜5のいずれかに記載の強化ガラス。
- 液相温度が1180℃以下であることを特徴とする請求項1〜6のいずれかに記載の強化ガラス。
- 液相粘度が104.0dPa・s以上であることを特徴とする請求項1〜7のいずれかに記載の強化ガラス。
- 平板形状を有することを特徴とする請求項1〜8のいずれかに記載の強化ガラス。
- オーバーフローダウンドロー法で成形されてなることを特徴とする請求項1〜9のいずれかに記載の強化ガラス。
- 未研磨の表面を有することを特徴とする請求項1〜10のいずれかに記載の強化ガラス。
- タッチパネルディスプレイの基板に用いることを特徴とする請求項1〜11のいずれかに記載の強化ガラス。
- 携帯電話のカバーガラスに用いることを特徴とする請求項1〜11のいずれかに記載の強化ガラス。
- 太陽電池のカバーガラスに用いること特徴とする請求項1〜11のいずれかに記載の強化ガラス。
- ディスプレイの保護部材に用いることを特徴とする請求項1〜11のいずれかに記載の強化ガラス。
- ガラス組成として、質量%で、SiO2 45〜75%、Al2O3 12〜24%、Na2O 11〜25%、P2O5 0.1〜10%を含有することを特徴とするガラス。
- ガラス組成として、質量%で、SiO2 45〜70%、Al2O3 15〜24%、B2O3 0〜3%、Li2O 0〜3%、Na2O 13〜20%、K2O 2〜9%、MgO+CaO 0〜6%、SrO+BaO 0〜1%、TiO2 0〜1%、P2O5 1〜9%を含有することを特徴とする請求項16に記載のガラス。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009208649A JP5645099B2 (ja) | 2009-09-09 | 2009-09-09 | 強化ガラス |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009208649A JP5645099B2 (ja) | 2009-09-09 | 2009-09-09 | 強化ガラス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2011057504A true JP2011057504A (ja) | 2011-03-24 |
| JP5645099B2 JP5645099B2 (ja) | 2014-12-24 |
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| JP2009208649A Active JP5645099B2 (ja) | 2009-09-09 | 2009-09-09 | 強化ガラス |
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| WO2012074949A1 (en) * | 2010-11-30 | 2012-06-07 | Corning Incorporated | Ion exchangeable glass with deep compressive layer and high damage threshold |
| WO2013005608A1 (ja) * | 2011-07-01 | 2013-01-10 | 旭硝子株式会社 | 化学強化用フロートガラス |
| WO2013027651A1 (ja) * | 2011-08-23 | 2013-02-28 | Hoya株式会社 | 強化ガラス基板の製造方法および強化ガラス基板 |
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