JP2022180562A - 高い圧痕亀裂しきい値を有する水素含有ガラス系物品 - Google Patents
高い圧痕亀裂しきい値を有する水素含有ガラス系物品 Download PDFInfo
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- 239000011521 glass Substances 0.000 title claims abstract description 351
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 101
- 239000001257 hydrogen Substances 0.000 title claims abstract description 101
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000005336 cracking Methods 0.000 title abstract description 7
- 238000007373 indentation Methods 0.000 title description 13
- 230000007423 decrease Effects 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 60
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 31
- 229910052593 corundum Inorganic materials 0.000 claims description 31
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 31
- 239000000377 silicon dioxide Substances 0.000 claims description 30
- 229910052681 coesite Inorganic materials 0.000 claims description 29
- 229910052906 cristobalite Inorganic materials 0.000 claims description 29
- 235000012239 silicon dioxide Nutrition 0.000 claims description 29
- 229910052682 stishovite Inorganic materials 0.000 claims description 29
- 229910052905 tridymite Inorganic materials 0.000 claims description 29
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 14
- 229910052744 lithium Inorganic materials 0.000 claims description 14
- 230000000977 initiatory effect Effects 0.000 claims description 13
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 12
- 229910052708 sodium Inorganic materials 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- 238000007545 Vickers hardness test Methods 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 8
- 239000000758 substrate Substances 0.000 description 93
- 239000000203 mixture Substances 0.000 description 52
- 238000000034 method Methods 0.000 description 34
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 description 16
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 15
- 229910004298 SiO 2 Inorganic materials 0.000 description 15
- 238000009792 diffusion process Methods 0.000 description 15
- KOPBYBDAPCDYFK-UHFFFAOYSA-N Cs2O Inorganic materials [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 description 14
- AKUNKIJLSDQFLS-UHFFFAOYSA-M dicesium;hydroxide Chemical compound [OH-].[Cs+].[Cs+] AKUNKIJLSDQFLS-UHFFFAOYSA-M 0.000 description 14
- 229910001953 rubidium(I) oxide Inorganic materials 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 11
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 10
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 10
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 description 10
- 229910001413 alkali metal ion Inorganic materials 0.000 description 9
- 150000002431 hydrogen Chemical class 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 8
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- 239000011591 potassium Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- -1 hydrogen ions Chemical class 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-O oxonium Chemical compound [OH3+] XLYOFNOQVPJJNP-UHFFFAOYSA-O 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007655 standard test method Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000000156 glass melt Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007679 ring-on-ring test Methods 0.000 description 2
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- VVNXEADCOVSAER-UHFFFAOYSA-N lithium sodium Chemical compound [Li].[Na] VVNXEADCOVSAER-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000006064 precursor glass Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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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
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
- C03C3/105—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing aluminium
-
- 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
- C03C21/007—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in gaseous phase
-
- 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
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
-
- 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
- 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
-
- 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
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
- C03B2201/21—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with molecular hydrogen
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Abstract
Description
本明細書に記載されるガラス系物品の形成に特に適したガラス組成物をガラス系基材へと形成した。実施例1~6の組成物を以下の表IIに記載している。密度は、ASTM C693-93(2013)の浮力法を使用して求めた。25℃~300℃の温度範囲にわたる線熱膨張係数(CTE)は10-7/℃の単位で表し、ASTM E228-11に準拠したプッシュロッド膨張計を使用して求めた。ひずみ点および焼きなまし点は、ASTM C598-93(2013)のビーム曲げ粘度法を使用して求めた。軟化点は、ASTM C1351M-96(2012)の平行板粘度法を使用して求めた。ガラスの粘度が200P、35,000Pおよび200,000Pである温度は、生成された組成物について、「軟化点を上回るガラスの粘度を測定するための標準プラクティス」と題するASTM C965-96(2012)に準拠して測定した。
ガラス系物品であって、
SiO2、Al2O3およびP2O5;ならびに
前記ガラス系物品の表面から層深さまで延在する水素含有層
を含み、
前記水素含有層の水素濃度が、最大水素濃度から前記層深さに向かって減少し、かつ
前記層深さは5μmよりも大きい、ガラス系物品。
前記ガラス系物品が、少なくとも1kgf(約9.8N)のビッカース亀裂発生しきい値を有する、実施形態1記載のガラス系物品。
前記層深さが少なくとも約10μmである、実施形態1または2記載のガラス系物品。
前記最大水素濃度が、前記ガラス系物品の表面に位置する、実施形態1から3までのいずれか1つ記載のガラス系物品。
Li2O、Na2O、K2O、Cs2OおよびRb2Oのうちの少なくとも1つをさらに含む、実施形態1から4までのいずれか1つ記載のガラス系物品。
K2Oをさらに含む、実施形態1から5までのいずれか1つ記載のガラス系物品。
前記ガラス系物品の中心が、
45モル%以上75モル%以下のSiO2;
3モル%以上20モル%以下のAl2O3;
6モル%以上15モル%以下のP2O5;および
6モル%以上25モル%以下のK2O
を含む、実施形態1から6までのいずれか1つ記載のガラス系物品。
前記ガラス系物品の中心が、
45モル%以上75モル%以下のSiO2;
3モル%以上20モル%以下のAl2O3;
4モル%以上15モル%以下のP2O5;および
11モル%以上25モル%以下のK2O
を含む、実施形態1から6までのいずれか1つ記載のガラス系物品。
前記ガラス系物品の中心が、
55モル%以上69モル%以下のSiO2;
5モル%以上15モル%以下のAl2O3;
6モル%以上10モル%以下のP2O5;および
10モル%以上20モル%以下のK2O
を含む、実施形態1から6までのいずれか1つ記載のガラス系物品。
前記ガラス系物品の中心が、
0モル%以上10モル%以下のCs2O;および
0モル%以上10モル%以下のRb2O
を含む、実施形態7から9までのいずれか1つ記載のガラス系物品。
前記ガラス系物品が、リチウムおよびナトリウムのうちの少なくとも1つを実質的に含まない、実施形態1から10までのいずれか1つ記載のガラス系物品。
前記ガラス系物品の表面から前記ガラス系物品内に圧縮深さまで延在する圧縮応力層をさらに含む、実施形態1から11までのいずれか1つ記載のガラス系物品。
前記圧縮応力層が100MPa以上の圧縮応力を含み、かつ前記圧縮深さが75μm以上である、実施形態12記載のガラス系物品。
家庭用電子製品であって、
前面、背面および側面を含む筐体;
少なくとも部分的に前記筐体内にある電気部品であって、少なくともコントローラ、メモリおよびディスプレイを含み、かつ前記ディスプレイは前記筐体の前面に設けられているまたはその前面に隣接している電気部品;ならびに
前記ディスプレイ上に配置されたカバー基材
を含み、前記筐体または前記カバー基材の少なくとも1つの少なくとも一部が、実施形態1から13までのいずれか1つ記載のガラス系物品を含む、家庭用電子製品。
ガラスであって、
45モル%以上75モル%以下のSiO2;
3モル%以上20モル%以下のAl2O3;
6モル%以上15モル%以下のP2O5;および
6モル%以上25モル%以下のK2O
を含む、ガラス。
55モル%以上69モル%以下のSiO2;
5モル%以上15モル%以下のAl2O3;
6モル%以上10モル%以下のP2O5;および
10モル%以上20モル%以下のK2O
を含む、実施形態15記載のガラス。
0モル%以上10モル%以下のCs2O;および
0モル%以上10モル%以下のRb2O
をさらに含む、実施形態15または16記載のガラス。
前記ガラスがリチウムを実質的に含まない、実施形態15から17までのいずれか1つ記載のガラス。
前記ガラスがナトリウムを実質的に含まない、実施形態15から18までのいずれか1つ記載のガラス。
58モル%以上63モル%以下のSiO2;
7モル%以上14モル%以下のAl2O3;
7モル%以上10モル%以下のP2O5;および
15モル%以上20モル%以下のK2O
を含む、実施形態15から19までのいずれか1つ記載のガラス。
前記ガラスが、5kgf(約49N)以上のビッカース亀裂発生しきい値を有する、実施形態15から20までのいずれか1つ記載のガラス。
Li2O、Na2O、Cs2OおよびRb2Oのうちの少なくとも1つをさらに含む、実施形態15から17、20および21のいずれか1つ記載のガラス。
ガラスであって、
45モル%以上75モル%以下のSiO2;
3モル%以上20モル%以下のAl2O3;
4モル%以上15モル%以下のP2O5;および
11モル%以上25モル%以下のK2O
を含む、ガラス。
55モル%以上69モル%以下のSiO2;
5モル%以上15モル%以下のAl2O3;
5モル%以上10モル%以下のP2O5;および
11モル%以上20モル%以下のK2O
を含む、実施形態23記載のガラス。
0モル%以上10モル%以下のCs2O;および
0モル%以上10モル%以下のRb2O
をさらに含む、実施形態23または24記載のガラス。
前記ガラスがリチウムを実質的に含まない、実施形態23から25までのいずれか1つ記載のガラス。
前記ガラスがナトリウムを実質的に含まない、実施形態23から26までのいずれか1つ記載のガラス。
58モル%以上63モル%以下のSiO2;
7モル%以上14モル%以下のAl2O3;
7モル%以上10モル%以下のP2O5;および
15モル%以上20モル%以下のK2O
を含む、実施形態23から27までのいずれか1つ記載のガラス。
前記ガラスが5kgf(約49N)以上のビッカース亀裂発生しきい値を有する、実施形態23から28までのいずれか1つ記載のガラス。
Li2O、Na2O、Cs2OおよびRb2Oのうちの少なくとも1つをさらに含む、実施形態23から25、28および29のいずれか1つ記載のガラス。
方法であって、
ガラス系基材を、相対湿度が75%以上の環境に曝露して、前記ガラス系物品の表面から層深さまで延在する水素含有層を有するガラス系物品を形成するステップ
を含み、
前記ガラス系基材は、SiO2、Al2O3およびP2O5を含み、
前記水素含有層の水素濃度は、最大水素濃度から前記層深さに向かって減少し、かつ
前記層深さは5μm以上である、方法。
前記ガラス系基材が、
55モル%以上69モル%以下のSiO2;
5モル%以上15モル%以下のAl2O3;
6モル%以上10モル%以下のP2O5;および
10モル%以上20モル%以下のK2O
を含む組成を有する、実施形態31記載の方法。
前記ガラス系基材が、
45モル%以上75モル%以下のSiO2;
3モル%以上20モル%以下のAl2O3;
4モル%以上15モル%以下のP2O5;および
11モル%以上25モル%以下のK2O
を含む組成を有する、実施形態31記載の方法。
前記ガラス系基材が、
45モル%以上75モル%以下のSiO2;
3モル%以上20モル%以下のAl2O3;
6モル%以上15モル%以下のP2O5;および
6モル%以上25モル%以下のK2O
を含む組成を有する、実施形態31記載の方法。
前記ガラス系基材が、
0モル%以上10モル%以下のCs2O;および
0モル%以上10モル%以下のRb2O
をさらに含む、実施形態31から34までのいずれか1つ記載の方法。
Li2O、Na2O、Cs2OおよびRb2Oのうちの少なくとも1つをさらに含む、実施形態31から35までのいずれか1つ記載の方法。
前記ガラス系物品が、リチウムおよびナトリウムのうちの少なくとも1つを実質的に含まない、実施形態31から36までのいずれか1つ記載の方法。
前記曝露を70℃以上の温度で行う、実施形態31から37までのいずれか1つ記載の方法。
前記ガラス系物品が1kgf(約9.8N)以上のビッカース亀裂発生しきい値を有する、実施形態31から38までのいずれか1つ記載の方法。
Claims (5)
- ガラスであって、
46モル%以上74モル%以下のSiO2;
3モル%以上20モル%以下のAl2O3;
6モル%以上15モル%以下のP2O5;および
6モル%以上25モル%以下のK2O
を含む、ガラス。 - ガラスであって、
46モル%以上74モル%以下のSiO2;
3モル%以上20モル%以下のAl2O3;
4モル%以上15モル%以下のP2O5;および
11モル%以上25モル%以下のK2O
を含む、ガラス。 - 前記ガラスが、リチウムおよびナトリウムのうちの少なくとも1つを実質的に含まない、または
5kgf(約49N)以上のビッカース亀裂発生しきい値を有する
ことのうちの少なくとも一方を特徴とする、請求項1または2記載のガラス。 - 前記ガラスは、前記ガラスの表面から層深さまで延在する水素含有層を含む、請求項1または2記載のガラス。
- 該水素含有層の水素濃度が、最大水素濃度から前記層深さに向かって減少し、かつ
前記層深さは5μmよりも大きい、請求項4記載のガラス。
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