摘要:
Reducing melt borosilicate glass having a UV transmittance of at least 85% for ultraviolet radiation having a wavelength of 254 nm for a sample thickness of 1 mm and a water-resistance of less than 100 micrograms, advantageously less than 62 micrograms, Na.sub.2 O per gram of glass powder according to ISO 719 and a thermal expansion coefficient .alpha..sub.20/300 of from 5 to 6.times.10.sup.-6 K.sup.-1 and comprising from 58 to 65% by weight SiO.sub.2, from 18 to 20.5% by weight B.sub.2 O.sub.3, from 8.1 to 10.4% by weight Al.sub.2O.sub.3, from 0 to 1% by weight CaO, from 0 to 2% by weight BaO, from 0 to 2% by weight SrO, from 0 to 1.5% by weight Li.sub.2 O, from 5.5 to 8.5% by weight Na.sub.2 O, from 0 to 3% by weight K.sub.2 O and from 0 to 2% by weight fluorine. The sum total content of all of the alkali metal oxides present in the glass is not greater than 10% and the sum total content of the CaO, BaO and SrO is not greater than 3% and the molar ratio of Al.sub.2 O.sub.3 : Na.sub.2 O is from 0.6 to 1. The glass is particularly suitable for EPROM windows, UV lamps, photomultipliers, spectrophotometers under difficult climatic conditions and protective tubes for UV lamps immersed in water in waste water treatment operations.
摘要翻译:将具有254nm波长的紫外线辐射的紫外线透射率至少为85%的熔融硼硅酸盐玻璃减少到样品厚度为1mm,耐水性小于100微克,有利地小于62微克,Na 2 O /克 根据ISO 719的玻璃粉末和5至6×10-6K-1的热膨胀系数α20/300,并且包含58至65重量%的SiO 2,18至20.5重量%的B 2 O 3,8.1至10.4重量%的 0〜1重量%的CaO,0〜2重量%的BaO,0〜2重量%的SrO,0〜1.5重量%的Li 2 O,5.5〜8.5重量%的Na 2 O,0 至3重量%的K 2 O和0至2重量%的氟。 玻璃中存在的所有碱金属氧化物的总含量不大于10%,CaO,BaO和SrO的总含量不大于3%,Al 2 O 3 :Na 2 O的摩尔比为0.6 该玻璃特别适用于恶劣气候条件下的EPROM窗口,UV灯,光电倍增管,分光光度计,以及在废水处理操作中浸入水中的紫外线灯的保护管。
摘要:
The invention relates to a borosilicate glass of high chemical resistance and low viscosity which contains zirconium oxide and lithium oxide. The borosilicate glass has hydrolytic resistance (in accordance with DIN ISO 719), class 1 acid resistance (in accordance with DIN 12116), and class 1 alkali resistance (in accordance with DIN ISO 659), and with a low operating temperature V.sub.A of between 1180.degree. C. to 1230.degree. C. and a coefficient of thermal expansion .alpha..sub.20/300 of 4.9.times.10.sup.-6 K.sup.-1. The borosilicate glass has the composition (in % by weight, based on oxide): SiO.sub.2 73-75; B.sub.2 0.sub.3 7-10; Al.sub.2 0.sub.3 5-7; ZrO.sub.2 1-3; Li.sub.2 0 0.5-1.5; Na.sub.2 0 0-10; K.sub.2 0 0-10; MgO 0-3; CaO 0-3; BaO 0-3; SrO 0-3; ZnO 0-3; ratio of SiO.sub.2 /B.sub.2 0.sub.3 .gtoreq.7.5; .SIGMA. SiO.sub.2 +Al.sub.2 0.sub.3 +ZrO.sub.2 80-83 and .SIGMA. MgO+CaO+BaO+SrO+ZnO.ltoreq.3, and fluorides 0-3. The glass is particularly suitable for use as a versatile primary packaging material for pharmaceuticals, for example as ampule glass.
摘要翻译:本发明涉及含有氧化锆和氧化锂的高耐化学性和低粘度的硼硅酸盐玻璃。 硼硅酸盐玻璃具有耐水解性(符合DIN ISO 719),1级耐酸性(符合DIN 12116)和1级耐碱性(符合DIN ISO 659标准),并具有低的工作温度VA 1180℃至1230℃,热膨胀系数α20/300为4.9×10 -6 K -1。 硼硅酸盐玻璃的组成(以重量%计,基于氧化物):SiO 2 73-75; B203 7-10; Al203 5-7; ZrO2 1-3; Li20 0.5-1.5; Na20 0-10; K20 0-10; MgO 0-3; CaO 0-3; BaO 0-3; SrO 0-3; ZnO 0-3; SiO 2 / B 2 O 3的比例> = 7.5; SIGMA SiO 2 + Al 2 O 3 + ZrO 2 80-83和SIGMA MgO + CaO + BaO + SrO + ZnO 3,氟化物0-3。 该玻璃特别适合用作药物的通用初级包装材料,例如作为安瓿玻璃。
摘要:
The invention relates to an alkaline-earth aluminosilicate glass with the following composition (in wt. %, based on oxide content): SiO2 >58-62; B2O3 0 5.5; Al2O3 13.5 17.5; MgO 0-7; CaO 5.5-14; SrO 0-8, BaO 6-14; ZrO2 0-2; CeO2 0.001 0.5; TiO2 0.01-2. The glass is particularly suitable for use as a bulb material for halogen light bulbs.
摘要翻译:本发明涉及一种具有以下组成(以重量%,基于氧化物含量)的碱土铝硅酸盐玻璃:SiO 2 = 58-62; B u> 3 u> 铝2 O 3 13.5 17.5; MgO 0-7; CaO 5.5-14; SrO 0-8,BaO 6-14; ZrO 2 0-2; CeO 2 <0.001> 0.5; TiO 2 0.01-2。 该玻璃特别适用于卤素灯泡的灯泡材料。
摘要:
An alkali-free aluminoborosilicate glass preferably with a thermal expansion .alpha..sub.20/300 of about 3.7 .times.10.sup.-6 /K, an annealing temperature OKP of above 700.degree. C., a treatment temperature V.sub.A of less than 1220.degree. C., and very good chemical stability, which can be produced in a float unit and has the following composition (in % by weight based on oxide): SiO.sub.2 52-62; B.sub.2 O.sub.3 4-14; Al.sub.2 O.sub.3 12-20; MgO 0-8; CaO 4-11; BaO 0-2; ZnO 2-8; ZrO.sub.2 0-2; SnO.sub.2 0-2. The ratio of Al.sub.2 O.sub.3 /B.sub.2 O.sub.3 is preferably equal to or greater than 3. The glass is especially suitable for use in display technology.
摘要翻译:优选具有约3.7×10 -6 / K的热膨胀α20/300,高于700℃的退火温度OKP,小于1220℃的处理温度VA的无碱铝硼硅酸盐玻璃,并且非常好 化学稳定性,其可以在浮选单元中产生并具有以下组成(以氧化物重量%计):SiO 2 52-62; B2O3 4-14; Al2O3 12-20; MgO 0-8; CaO 4-11; BaO 0-2; ZnO 2-8; ZrO2 0-2; SnO2 0-2。 Al 2 O 3 / B 2 O 3的比例优选等于或大于3.玻璃特别适用于显示技术。
摘要:
A light device, preferably a metal halide high pressure discharge lamp, which includes a first body which has a light element, a second body which encompasses the first body, whereby the second body consists essentially of an Al-silicate glass, for example a hard glass. The Al-silica glass has a Tg of >600° C., preferred >650° C., especially preferred >700° C., particularly preferred >750° C., and a thermal expansion coefficient α20/300>0, preferably in the range of 3≦α20/300≦6, particularly preferred 3.5≦α20/300≦5.5
摘要:
Described is an alkali-free aluminoborosilicate glass with a viscosity of 10.sup.13 dPas at a temperature of above 700.degree.0 C., a processing temperature V.sub.A of less than 1220.degree.0 C., and very good chemical stability, which can be produced in a float unit and has the following composition, in % by weight based on oxide:______________________________________SiO.sub.2 48 -- 20 -- 26MgO 0 -- 8CaO 4 -- 12BaO 0 -- 2SrO 0 -- 2ZnO 1 -- 8ZrO.sub.2 0 -- 2SnO.sub.2 0.5 -- 2______________________________________The glass is especially suitable for use in display technology.
摘要翻译:描述了在700℃以上的温度下粘度为1013dPa·s,处理温度VA小于1220℃的无碱铝硼硅酸盐玻璃,以及非常好的化学稳定性,其可以在 浮选单元,并具有以氧化物计的重量%以下组成:-SiO 2 48 - <55 - B 2 O 3 7 - 15 - Al 2 O 3> 20 - 26 - MgO 0 - 8 - CaO 4 - 12 - BaO 0 - 2 SrO 0 - 2 - ZnO 1 - 8 - ZrO2 0 - 2 - SnO2 0.5 - 2 - 该玻璃特别适用于显示技术。
摘要:
An alkali metal-free aluminoborosilicate glass is described which has the following composition (in % by weight based on oxide):SiO.sub.2 57-60; B.sub.2 O.sub.3 6.5-9.5; Al.sub.2 O.sub.3 14-17.5; MgO 5-8; CaO 1-4; SrO 5-8; BaO 0-3.5; with MgO+CaO+SrO+BaO 15-17; ZrO.sub.2 0.4-1.5; TiO.sub.2 0.4-1.5; CeO.sub.2 0.1-0.5; SnO.sub.2 0.2-1.The glass is particularly suitable for use as a substrate glass in display technology.
摘要翻译:描述了一种不含碱金属的铝硼硅酸盐玻璃,其具有以下组成(以氧化物为基准的重量%):SiO 2 57-60; B2O3 6.5-9.5; Al2O3 14-17.5; MgO 5-8; CaO 1-4; SrO 5-8; BaO 0-3.5; MgO + CaO + SrO + BaO 15-17; ZrO2 0.4-1.5; TiO2 0.4-1.5; CeO2 0.1-0.5; SnO2 0.2-1。 该玻璃特别适用于显示技术中的基板玻璃。
摘要:
The invention relates to a conversion material, in particular for a white or colored light source comprising a semiconductor light source as primary light source, comprising a matrix glass that, as bulk material, for a thickness d of about 1 mm, has a pure transmission τi of greater than 80% in the wavelength region from 350 to 800 nm and in the region in which the primary light source emits light, wherein the sum of transmission and reflection of the sintered matrix glass without luminophore is at least greater than 80% in the spectral region from 350 nm to 800 nm and in the spectral region in which the primary light source emits light.
摘要:
A lithium aluminosilicate glass and a method for producing such lithium aluminosilicate glass are provided. The glass has a composition, in mol %, of: SiO2 60-70; Al2O3 10-13; B2O3 0.0-0.9; Li2O 9.6-11.6; Na2O 8.2-less than 10; K2O 0.0-0.7; MgO 0.0-0.2; CaO 0.2-2.3; ZnO 0.0-0.4; ZrO2 1.3-2.6; P2O5 0.0-0.5; Fe2O3 0.003-0.100; SnO2 0.0-0.3; and CeO2 0.004-0.200. Further, the composition complies with the following relations and conditions: (Li2O+Al2O3)/(Na2O+K2O) greater than 2; Li2O/(Li2O+Na2O+K2O) greater than 0.47 and less than 0.70; CaO+Fe2O3+ZnO+P2O5+B2O3+CeO2 greater that 0.8 and less than 3, where at least four out of the six oxides are included. The glass exhibits a modulus of elasticity of at least 82 GPa and has a glass transition point below 540° C. and/or a working point below 1150° C.
摘要翻译:提供铝硅酸锂玻璃和这种铝硅酸铝玻璃的制造方法。 玻璃具有以摩尔%计的:SiO 2 60-70的组成; Al2O3 10-13; B2O3 0.0-0.9; Li2O 9.6-11.6; Na2O 8.2-小于10; K2O 0.0-0.7; MgO 0.0-0.2; CaO 0.2-2.3; ZnO 0.0-0.4; ZrO2 1.3-2.6; P2O5 0.0-0.5; Fe2O3 0.003-0.100; SnO2 0.0-0.3; 和CeO 2 0.004-0.200。 此外,该组成符合以下关系和条件:(Li 2 O + Al 2 O 3)/(Na 2 O + K 2 O)大于2; Li2O /(Li2O + Na2O + K2O)大于0.47且小于0.70; CaO + Fe2O3 + ZnO + P2O5 + B2O3 + CeO2大于0.8且小于3,其中包括六种氧化物中的至少四种。 玻璃的弹性模量至少为82GPa,玻璃化转变点低于540℃,和/或低于1150℃的工作点。
摘要:
The invention relates to a low-radiation cover glass for radiation-sensitive sensors, with low intrinsic α-radiation, in particular for use with semiconductor technology. The glass includes a glass composition, selected from the following: aluminosilicate glass, aluminoborosilicate glass, borosilicate glass, in particular borosilicate glass that is devoid of alkali, with a TiO2 content of >0.1-10% by weight, in particular 1-8% by weight.