JP2016538224A - ガラスにおいてある応力プロファイルを達成するための方法 - Google Patents
ガラスにおいてある応力プロファイルを達成するための方法 Download PDFInfo
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- 239000011521 glass Substances 0.000 title claims abstract description 128
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000005342 ion exchange Methods 0.000 claims abstract description 79
- 239000005358 alkali aluminosilicate glass Substances 0.000 claims abstract description 69
- 150000003839 salts Chemical class 0.000 claims abstract description 43
- 150000001768 cations Chemical class 0.000 claims description 55
- 229910052751 metal Inorganic materials 0.000 claims description 47
- 239000002184 metal Substances 0.000 claims description 47
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 31
- 239000011734 sodium Substances 0.000 claims description 23
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 14
- 238000000137 annealing Methods 0.000 claims description 10
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 claims description 5
- 229910052845 zircon Inorganic materials 0.000 claims description 5
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 5
- 229910001409 divalent cation oxide Inorganic materials 0.000 claims description 4
- 159000000000 sodium salts Chemical class 0.000 claims description 4
- 239000005354 aluminosilicate glass Substances 0.000 claims 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims 1
- 238000007598 dipping method Methods 0.000 claims 1
- 229940054334 silver cation Drugs 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract description 5
- -1 alkali metal cation Chemical class 0.000 abstract description 5
- 238000007507 annealing of glass Methods 0.000 abstract description 2
- 239000005345 chemically strengthened glass Substances 0.000 abstract description 2
- 150000002500 ions Chemical group 0.000 description 15
- 238000013461 design Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000007679 ring-on-ring test Methods 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000003513 alkali Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001414 potassium ion Inorganic materials 0.000 description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 3
- 229910018068 Li 2 O Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 description 2
- 235000011151 potassium sulphates Nutrition 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000007655 standard test method Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910001423 beryllium ion Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical class [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229910001417 caesium ion Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000003426 chemical strengthening reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010946 mechanistic model Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 229910001419 rubidium ion Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000003283 slot draw process Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004613 tight binding model 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
- 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
- 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
- C03C21/005—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 introduce in the glass such metals or metallic ions as Ag, Cu
-
- 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
-
- 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
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- 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
- C03C4/00—Compositions for glass with special properties
- C03C4/18—Compositions for glass with special properties for ion-sensitive glass
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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
- C03C2204/00—Glasses, glazes or enamels with special properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31—Surface property or characteristic of web, sheet or block
- Y10T428/315—Surface modified glass [e.g., tempered, strengthened, etc.]
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- Surface Treatment Of Glass (AREA)
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Abstract
Description
110 第1の表面
112 第2の表面
120 第1の圧縮層
122 第2の圧縮層
130 中央領域
Claims (10)
- 第1の金属陽イオンを含むアルカリアルミノシリケートガラスを強化する方法であって、
前記第1の金属陽イオンは、ナトリウム陽イオン又は銀陽イオンであり、かつ最大1.5mmの厚さ及びある徐冷点を有し、
前記方法は:
a.前記アルカリアルミノシリケートガラスを、前記第1の金属陽イオンより大きい第2の金属の少なくとも1つの塩を含む溶融塩浴に浸漬するステップ;
b.前記溶融塩浴からの前記第2の金属陽イオンを、前記アルカリアルミノシリケートガラス中の前記第1の金属陽イオンと、420℃超かつ前記徐冷点より少なくとも30℃低い温度で、0.5時間〜8時間の範囲の期間イオン交換するステップであって、ここで前記イオン交換するステップは、前記ガラスの表面から少なくとも40μmの層深さだけ前記ガラス内に延在する圧縮応力の領域を形成し、ここで第1の深さにおける圧縮応力は、前記表面における圧縮応力の少なくとも50%であり、前記表面における前記圧縮応力は少なくとも100MPaであり、前記第1の深さは前記層深さの30%〜70%である、ステップ
を有してなる方法。 - 前記溶融塩浴は更に、最大10重量%の少なくとも1つのナトリウム塩を含む、請求項1に記載の方法。
- 前記アルカリアルミノシリケートガラスは、少なくとも200MPaの残留強度を有する、請求項1又は2に記載の方法。
- 前記アルカリアルミノシリケートガラスは:
a.少なくとも50モル%のSiO2及び少なくとも11モル%のNa2O、Al2O3、並びにB2O3、K2O、MgO及びZnOのうちの少なくとも1つ(ここで−340+27.1・Al2O3−28.7・B2O3+15.6・Na2O−61.4・K2O+8.1・(MgO+ZnO)≧0モル%であり、ここで前記表面における前記圧縮応力は少なくとも900MPaである);又は
b.少なくとも50モル%のSiO2;9モル%〜22モル%のAl2O3;3モル%〜10モル%のB2O3;9モル%〜20モル%のNa2O;0モル%〜5モル%のK2O;及び少なくとも0.1モル%のMgO、ZnO若しくはこれらの組合せ(ここで0≦MgO≦6及び0≦ZnO≦6モル%);並びに任意にCaO、BaO、及びSrOのうちの少なくとも1つ(ここで0モル%≦CaO+SrO+BaO≦2モル%);又は
c.少なくとも50モル%のSiO2;少なくとも10モル%のR2O(ここでR2OはNa2Oを含む);Al2O3(ここで−0.5モル%≦Al2O3(モル%)−R2O(モル%)≦2モル%);及びB2O3(ここでB2O3(モル%)−(R2O(モル%)−Al2O3(モル%))≧4.5モル%であり、ここで前記アルカリアルミノシリケートガラスは、該ガラスが40kPoise(4kPa・s)超の粘度を有する温度に等しいジルコン破壊温度を有する);又は
d.少なくとも4モル%のP2O5(ここで(M2O3(モル%)/RxO(モル%))<1であり、ここでM2O3=Al2O3+B2O3であり、ここでRxOは前記アルカリアルミノシリケートガラス中に存在する1価及び2価の陽イオン酸化物の合計である)
を含む、請求項1〜3のいずれか1項に記載の方法。 - a.前記アルカリアルミノシリケートガラスを、前記第2の金属の少なくとも1つの塩若しくは前記第1の金属陽イオン及び前記第2の金属の前記陽イオンより大きい第3の金属の少なくとも1つの塩を含む第2の溶融塩浴に浸漬するステップ;並びに
b.前記第2の溶融塩浴からの前記第2の金属の前記陽イオンを、前記アルカリアルミノシリケートガラス中の前記第1の金属陽イオンと、420℃以下の温度でイオン交換するステップであって、ここで前記表面圧縮応力は、前記第2の溶融塩浴中でイオン交換することにより形成され、前記表面における最大圧縮応力を生成する、ステップ;又は
c.前記第2の溶融塩浴からの前記第3の金属の前記陽イオンを、前記アルカリアルミノシリケートガラス中の前記第1の金属陽イオン及び前記第2の金属の前記陽イオンの少なくとも一方と、420℃超かつ前記徐冷点より少なくとも30℃低い温度でイオン交換するステップであって、前記第2の溶融塩浴中でのイオン交換は前記第3の金属の前記陽イオンを含む表面領域を形成する、ステップ
を有する、請求項1〜4のいずれか1項に記載の方法。 - 前記第2の溶融塩浴は、前記第1の金属陽イオンを実質的に含有しない、請求項5に記載の方法。
- アルカリアルミノシリケートガラス物品であって、
前記アルカリアルミノシリケートガラス物品は、最大1.5mmの厚さ及び圧縮応力下の領域を有し、
前記領域は、前記アルカリアルミノシリケートガラス物品の表面から少なくとも約40μmの層深さだけ前記アルカリアルミノシリケートガラス物品中に延在し、
ここで前記アルカリアルミノシリケートガラス物品は、少なくとも100MPaの前記表面における圧縮応力、及び第1の深さにおける第1の圧縮応力を有し、前記第1の深さは前記層深さの30%〜70%であり、ここで前記第1の圧縮応力は前記表面における前記圧縮応力の少なくとも約50%である、アルカリアルミノシリケートガラス物品。 - 前記アルカリアルミノシリケートガラス物品は、少なくとも200MPaの残留強度を有する、請求項7に記載の方法。
- 前記アルカリアルミノシリケートガラス物品は:
a.50モル%のSiO2及び少なくとも11モル%のNa2O、Al2O3、並びにB2O3、K2O、MgO及びZnOのうちの少なくとも1つ(ここで−340+27.1・Al2O3−28.7・B2O3+15.6・Na2O−61.4・K2O+8.1・(MgO+ZnO)≧0モル%であり、ここで前記表面における前記圧縮応力は少なくとも900MPaである);又は
b.少なくとも50モル%のSiO2;9モル%〜22モル%のAl2O3;3モル%〜10モル%のB2O3;9モル%〜20モル%のNa2O;0モル%〜5モル%のK2O;及び少なくとも0.1モル%のMgO、ZnO若しくはこれらの組合せ(ここで0≦MgO≦6及び0≦ZnO≦6モル%);並びに任意にCaO、BaO、及びSrOのうちの少なくとも1つ(ここで0モル%≦CaO+SrO+BaO≦2モル%);又は
c. 少なくとも50モル%のSiO2;少なくとも10モル%のR2O(ここでR2OはNa2Oを含む);Al2O3(ここで−0.5モル%≦Al2O3(モル%)−R2O(モル%)≦2モル%);及びB2O3(ここでB2O3(モル%)−(R2O(モル%)−Al2O3(モル%))≧4.5モル%であり、ここで前記アルカリアルミノシリケートガラスは、該ガラスが40kPoise(4kPa・s)超の粘度を有する温度に等しいジルコン破壊温度を有する);又は
d.少なくとも4モル%のP2O5(ここで(M2O3(モル%)/RxO(モル%))<1であり、ここでM2O3=Al2O3+B2O3であり、ここでRxOは前記アルカリアルミノシリケートガラス物品中に存在する1価及び2価の陽イオン酸化物の合計である)
を含む、請求項7又は8に記載のアルカリアルミノシリケートガラス物品。 - 前記表面における前記圧縮応力は、前記第1の圧縮応力未満である、請求項7〜9のいずれか1項に記載のアルカリアルミノシリケートガラス物品。
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US11820701B2 (en) | 2023-11-21 |
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US10442730B2 (en) | 2019-10-15 |
US11034614B2 (en) | 2021-06-15 |
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US20210300819A1 (en) | 2021-09-30 |
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US20150147574A1 (en) | 2015-05-28 |
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