摘要:
The present invention provides a glass article using a glass composition including a base glass composition and colorants. The base glass composition includes, expressed in mass %: 65 to 80% of SiO2; 0 to 5% of Al2O3; 0 to 10% of MgO; 0 to 15% of CaO; 5 to 15% of MgO+CaO; 10 to 18% of Na2O; 0 to 5% of K2O; 10 to 20% of Na2O+K2O; and 0 to 5% of B2O3, and the colorants consist essentially of, expressed in mass %: 0.6% to 1.0% of T-Fe2O3; 0.026 to 0.8% of TiO2; 0 to 2.0% of CeO2; 0.01 to 0.03% of CoO; 0 to 0.0008% of Se; and 0.06 to 0.20% of NiO. The glass article has a grayish color tone, and has a visible light transmittance in a range of 15% to 40%, which is measured with the illuminant A at a thickness of 3.1 mm.
摘要:
A glass composition which is reduced in the amount of residual bubbles and is produced using smaller amounts of an environmentally unfriendly component such as arsenic oxide and antimony oxide. This glass composition comprises, in terms of mass %: 40-70% SiO2; 5-20% B2O3; 10-25% Al2O3; 0-10% MgO; 0-20% CaO; 0-20% SrO; 0-10% BaO; 0.001-0.5% Li2O; 0.01-0.5% Na2O; 0.002-0.5% K2O; and 0-1.0%, excluding 0%, Cl.
摘要:
An ultraviolet ray transmitting glass composition including the following components, in terms of mass % or mass ppm: 60 to 79% SiO2; 0 to 1% B2O3; exceeded 0% but not more than 20% Al2O3; 0 to 10% Li2O; 5 to 20% Na2O; 0 to 15% K2O; 0 to 10% MgO; 0 to 10% CaO; 0 to 15% SrO; 0 to 2% refining agent; 2 to 20 ppm T-Fe2O3 (in which T-Fe2O3 denotes a total iron oxide content obtained by converting all of iron compounds into Fe2O3); and 0 to 200 ppm TiO2. The ultraviolet ray transmitting glass composition is suitable for a glass article, such as a bioanalytical device that is used for analysis using ultraviolet rays.
摘要翻译:以质量%或质量ppm计的包含以下组分的紫外线透射玻璃组合物:60至79%SiO 2; 0〜1%B2O3; 超过0%但不大于20%的Al2O3; 0〜10%Li2O; 5〜20%Na2O; 0〜15%K2O; 0〜10%MgO; 0〜10%CaO; 0〜15%SrO; 0〜2%精制剂; 2〜20ppm T-Fe 2 O 3(其中T-Fe 2 O 3表示通过将所有铁化合物转化为Fe 2 O 3而获得的总氧化铁含量); 和0〜200ppm的TiO 2。 紫外线透射玻璃组合物适用于玻璃制品,例如用于使用紫外线进行分析的生物分析装置。
摘要:
The glass composition of the present invention includes the following components, expressed in mass %: 70% to 88% of SiO2; 6% to 18% of B2O3; 0.5% to 4.5% of Al2O3; 0% to 0.5% of Li2O; 0% to 0.5% of Na2O; 2% to 10% of K2O; and 0% to 2% of MgO+CaO+SrO+BaO, and the glass composition further includes chlorine (Cl). The glass composition of the present invention is used suitably as a glass substrate for an information display device.
摘要:
A glass substrate for a display, which is formed of a glass having a light weight and having high refinability with decreasing environmental burdens, the glass comprising, by mass %, 50 to 70% of SiO2, 5 to 18% of B2O3, 10 to 25% of Al2O3, 0 to 10% of MgO, 0 to 20% of CaO, 0 to 20% of SrO, 0 to 10% of BaO, 5 to 20% of RO (in which R is at least one member selected from the group consisting of Mg, Ca, Sr and Ba), and over 0.20% but not more than 2.0% of R′2O (in which R′ is at least one member selected from the group consisting of Li, Na and K), and containing, by mass %, 0.05 to 1.5% of oxide of metal that changes in valence number in a molten glass, and substantially containing none of As2O3, Sb2O3 and PbO.
摘要翻译:一种显示器用玻璃基板,由玻璃构成,重量轻且环境负荷降低,具有高的可熔性,玻璃的质量百分比为50〜70%的SiO 2,5 至18%的B 2 O 3,10至25%的Al 2 O 3 3,0至10 MgO的%,CaO的0〜20%,SrO 0〜20%,BaO 0〜10%,RO的5〜20%(其中R为选自Mg,Ca, Sr和Ba)和超过0.20%但不超过2.0%的R'2 O(其中R'是选自Li,Na和K中的至少一种), 并且以质量%计含有熔融玻璃中价数变化的金属氧化物的0.05〜1.5%,并且基本上不含有As 2 O 3 S 3,Sb 2 O 3和PbO。
摘要:
A glass substrate of the present invention for magnetic recording media having high heat resistance and easy chemical strengthening ability at once has not been obtained, which is a glass composition essentially comprising 60 to 70 wt % SiO2, 5 to 20 wt % Al2O3, 0 to 1 wt % Li2O, 3 to 18 wt % Na2O, 0 to 9 wt % K2O, 0 to 10 wt % MgO, 1 to 15 wt % CaO, 0 to 4.5 wt % SrO, 0 to 1 wt % BaO, 0 to 1 wt % TiO2 and 0 to 1 wt % ZrO2, wherein the sum of Li2O, Na2O and K2O is from 5 to 25 wt %, and the sum of MgO, CaO, SrO and BaO is from 5 to 20 wt %.
摘要翻译:本发明的用于磁记录介质的具有高耐热性并且容易化学强化能力的本发明的玻璃基板尚未得到,它是基本上包含60至70重量%的SiO 2,5 至20重量%的Al 2 O 3 3,0至1重量%的Li 2 O 3,3至18重量%的Na 2, ,0〜9重量%的K 2 O,0〜10重量%的MgO,1〜15重量%的CaO,0〜4.5重量%的SrO,0〜1重量%的BaO,0 至1重量%的TiO 2和0至1重量%的ZrO 2,其中Li 2 O 2,Na 2, O 2和K 2 O 5为5〜25重量%,MgO,CaO,SrO和BaO的总和为5〜20重量%。
摘要:
A glass substrate of the present invention for magnetic recording media having high heat resistance and easy chemical strengthening ability at once has not been obtained, which is a glass composition essentially comprising 60 to 70 wt % SiO2, 5 to 20 wt % Al2O3, 0 to 1 wt % Li2O, 3 to 18 wt % Na2O, 0 to 9 wt % K2O, 0 to 10 wt % MgO, 1 to 15 wt % CaO, 0 to 4.5 wt % SrO, 0 to 1 wt % BaO, 0 to 1 wt % TiO2 and 0 to 1 wt % ZrO2, wherein the sum of Li2O, Na2O and K2O is from 5 to 25 wt %, and the sum of MgO, CaO, SrO and BaO is from 5 to 20 wt %.
摘要翻译:本发明的用于磁记录介质的具有高耐热性并且容易化学强化能力的本发明的玻璃基板尚未得到,它是基本上包含60至70重量%的SiO 2,5 至20重量%的Al 2 O 3 3,0至1重量%的Li 2 O 3,3至18重量%的Na 2, ,0〜9重量%的K 2 O,0〜10重量%的MgO,1〜15重量%的CaO,0〜4.5重量%的SrO,0〜1重量%的BaO,0 至1重量%的TiO 2和0至1重量%的ZrO 2,其中Li 2 O 2,Na 2, O 2和K 2 O 5为5〜25重量%,MgO,CaO,SrO和BaO的总和为5〜20重量%。
摘要:
The present invention provides a glass composition that has excellent heat resistance and ion exchange ability and can be provided with high strength by a chemical strengthening treatment through an ion exchange. This glass composition includes, in terms of mass %: 59 to 68% of SiO2; 9.5 to 15% of Al2O3; 0 to 1% of Li2O; 3 to 18% of Na2O; 0 to 3.5% of K2O; 0 to 15% of MgO; 1 to 15% of CaO; 0 to 4.5% of SrO; 0 to 1% of BaO; 0 to 2% of TiO2; and 1 to 10% of ZrO2. The glass composition of the present invention is suitable for a glass substrate for magnetic recording media and also can be formed as a chemically strengthened glass article through an ion-exchange treatment.
摘要:
A glass composition is disclosed which has a high modulus of elasticity and a low density, i.e., has a high specific modulus. Also disclosed is an inexpensive glass composition which is suitable for use as an information recording medium substrate, for example, because it can be formed easily, is less apt to suffer devitrification, is suitable for mass production, and can be easily made to have high surface smoothness by polishing. The glass compositions comprise, in terms of mol %, 35 to 45% silicon dioxide (SiO2), 15 to 20% aluminum oxide (Al2O3), 3 to 10% lithium oxide (Li2O), 0.1 to 5% sodium oxide (Na2O), 15 to 30% magnesium oxide (MgO), 0 to 10% calcium oxide (CaO), 0 to 4% strontium oxide (SrO), 25 to 35% RO (MgO+CaO+SrO), 2 to 10% titanium dioxide (TiO2), 0.5 to 4% zirconium oxide (ZrO2), 4 to 12% TiO2+ZrO2, and 0 to 4% yttrium oxide (Y2O3).
摘要翻译:公开了具有高弹性模量和低密度,即具有高比模量的玻璃组合物。 还公开了一种廉价的玻璃组合物,其适合用作信息记录介质基材,例如由于可以容易地形成,不易发生失透,适合于批量生产,并且可以容易地制成具有高的 表面平滑度通过抛光。 玻璃组合物以摩尔%计含有35〜45%的二氧化硅(SiO 2),15〜20%的氧化铝(Al 2 O 3),3〜10%的氧化锂(Li 2 O),0.1〜5%的氧化钠(Na 2 O) ,氧化镁(MgO)15〜30%,氧化钙(CaO)0〜10%,氧化锶(SrO)0〜4%,氧化物25〜35%(MgO + CaO + SrO)2〜10% (TiO 2),0.5〜4%的氧化锆(ZrO 2),4〜12%的TiO 2 + ZrO 2和0〜4%的氧化钇(Y 2 O 3)。
摘要:
A glass composition is disclosed which has a high modulus of elasticity (Young's modulus) and a high rigidity (modulus of elasticity/specific gravity) and is capable of being effectively inhibited from bending or vibrating. Also disclosed is a substrate for information recording media, which comprises the glass composition. The glass composition comprises the following components in terms of mol %: 40 to 60% SiO2, 8 to 25% Al2O3, 2 to 20% Li2O, 0 to 5% Na2O; provided that the content of R2O (R2O=Li2O+Na2O) is from 2 to 20%, 0 to 10% TiO2, 0 to 10% ZrO2, 5 to 25% MgO, 0 to 25% CaO and 0 to 6% SrO, provided that the content of RO (RO=MgO+CaO+SrO) is from more than 15 to 40%.