Abstract: The invention relates to a glass sheet having a high transmission in the infrared that comprises, in percentages by weight: SiO2 ??55-85% Al2O3 ???0-30% B2O3 ???0-20% Na2O ???5-25% CaO ???0-20% MgO ???0-15% K2O ???0-20% BaO ???0-20% Total iron (expressed in Fe2O3 form) 0.002-0.04%; the composition furthermore comprising at least two components from chromium, selenium, copper, cerium, manganese and antimony; the chromium (expressed in Cr2O3 form) being in a maximum content of 0.02% by weight; the selenium (expressed in Se form) being in a maximum content of 0.08% by weight; the copper (expressed in CuO form) being in a maximum content of 0.04% by weight; the cerium (expressed in CeO2 form) being in a maximum content of 0.8% by weight; the manganese (expressed in MnO form) being in a maximum content of 1.6% by weight; the antimony (expressed in Sb2O3 form) being in a maximum content of 0.8% by weight; and the composition being according to the formula: [10.

Abstract: The invention relates to a float glass sheet having a boron- and lithium-free glass composition comprising the following in weight percentage, expressed with respect to the total weight of glass: 65?SiO2?78% 5?Na2O?20% 0?K2O<5% 1?Al2O3<6% 0?CaO<4.5% 4?MgO?12% a (MgO/(MgO+CaO)) ratio?0.5 characterized in that the glass sheet has: (I). The invention corresponds to an easy chemically-temperable soda-silica type glass composition, which is more suited for mass production than aluminosilicate glass, and therefore is available at low cost, and with a base glass/matrix composition that is close to or very similar to compositions already used in existing mass production, and finally which shows reduced or controlled increased warping effect.

Abstract: The invention relates to a glass sheet having a boron- and lithium-free glass composition comprising the following in weight percentage, expressed with respect to the total weight of glass: 65?SiO2?78% 5?Na2O?20% 0?K2O?5% 3<Al2O3?5% 0<CaO<4.5% 5?MgO?12%; and comprising the following: 0.88?[MgO/(MgO+CaO)]<1. The invention corresponds to an easy chemically-temperable soda-silica type glass composition, which is more suited for mass production than aluminosilicate glass, and therefore is available at low cost, and with a base glass/matrix composition that is close to or very similar to compositions already used in existing mass production.

Abstract: The invention relates to a glass sheet having high transmission of infrared (IR) radiation. More specifically, the invention relates to a glass sheet having a composition which comprises, in a content expressed as percentages by total weight of glass: SiO2 55-85%; Al2O3 0-30%; B2O3 0-20%; Na2O 0-25%; CaO 0-20%; MgO 0-15%; K2O 0-20%; BaO 0-20%; Total iron (expressed in the form of Fe2O3) 0.002-0.06%, a chromium content (expressed in the form of Cr2O3) ranging from 0.0015% to 1% and a cobalt content (expressed in the form of Co) ranging from 0.0001% to 1%. By virtue of its high transmission of IR radiation, the glass sheet according to the invention can advantageously be used in a device using a technology requiring very good transmission of IR radiation, whether through the main faces or starting from their sheared edge (for example, a screen or panel or pad, the glass sheet defining a touch surface).

Abstract: The invention relates to a glass sheet having a boron-, strontium- and lithium-free glass composition comprising the following in weight percentage, expressed with respect to the total weight of glass: 65?SiO2?78%; 8?Na2O?15%; 1?K2O<6%; 1?Al2O3<6%; 2?CaO<10%; 0?MgO?6%; as well as a K2O/(K2O+Na2O) ratio which is ranging from 0.1 and 0.7. The invention corresponds to an easy chemically-temperable soda-lime-silica type glass composition, which is more suited for use in electronic devices applications.

Abstract: The invention relates to a glass sheet with high IR transmission. More precisely, the invention relates to a glass sheet having a composition comprising in a content expressed in percentages of the total weight of the glass: SiO2 55-78%? Al2O3 0-18% B2O3 0-18% Na2O 0-20% CaO 0-15% MgO 0-10% K2O 0-10% BaO 0-5%? total iron (expressed in the form of Fe2O3) 0.002-0.4%?? and chromium in a content such as: 0.0001%<Cr2O3<0.002%, expressed in percentages of the total weight of glass. The invention also relates to the use of such a glass sheet in a device using an infrared radiation that propagates essentially inside said sheet. Because of its high IR transmission the glass sheet according to the invention can be advantageously used, for example, in a screen or panel or pad, wherein the glass sheet defines a touch sensitive surface.

Abstract: The invention relates to a glass sheet having a boron-and lithium-free glass composition comprising the following in weight percentage, expressed with respect to the total weight of glass : 65?SiO2?78% 5?Na2O?20% 0?K2O<5% 1?Al2O3 ?4% 0?CaO<4.5% 4?MgO?12%; as well as a (CaO/MgO) ratio which is less than 1. The invention corresponds to an easy chemically-temperable soda-silica type glass composition, which is more suited for mass production than aluminosilicate glass, and therefore is available at low cost, and with a base glass/matrix composition that is close to or very similar to compositions already used in existing mass production.

Abstract: A glass sheet for pigment printing contains, as represented by mass percentage on the basis of oxides, from 60% to 75% of SiO2, from 2% to 12% of Al2O3, from 2% to 11% of MgO, from 0% to 10% of CaO, from 0% to 3% of SrO, from 0% to 3% of BaO, from 10% to 18% of Na2O, from 0% to 8% of K2O, and from 0% to 4% of ZrO2, or contains, from 60% to 75% of SiO2, from 1.5% to 12% of Al2O3, from 6% to 12% of MgO, from 0% to 4.5% of CaO, from 0% to 3% of SrO, from 0% to 3% of BaO, from 10% to 18% of Na2O, from 0% to 8% of K2O, and from 0% to 4% of ZrO2.

Abstract: The invention relates to a glass sheet having a boron- and lithium-free glass composition comprising the following in weight percentage, expressed with respect to the total weight of glass: 65?SiO2?78% 5?Na2O?20% 0?K2O<5% 1?Al2O3<4% 0?CaO<4.5% 4<MgO?12%; as well as a total iron (expressed in the form of Fe2O3) in a content ranging from 0.002 to 0.06% by weight and a (CaO/MgO) ratio which is less than 1. The invention corresponds to an easy chemically-temperable soda-silica type glass composition, which is more suited for mass production than aluminosilicate glass, and therefore is available at low cost, and with a base glass/matrix composition that is close to or very similar to compositions already used in existing mass production.

Abstract: The invention relates to a glass sheet with a high level of infrared radiation transmission, that can be used especially in a tactile tablet, panel or screen. More precisely, the invention relates to a glass sheet having a composition comprising, as a content expressed in total weight percentages of glass: SiO2 55-78%; AI2O3 0-18%; B2O3 0-18%; Na2O 5-20%; CaO 0-15%; MgO 0-10%; K2O 0-10%; BaO 0-5%; total iron (expressed in the form of Fe2O3) 0.002-0.06%; and a chromium content (expressed in the form of Cr2O3) of between 0.002 and 0.06%.

Abstract: The invention relates to a glass sheet having a composition that comprises, in an amount expressed in percentages by total weight of glass: SiO2: 55-85%; Al2O3: 0-30%; B2O3: 0-20%; Na2O: 5-25%; CaO: 0-20%; MgO: 0-15%; K2O: 0-20%; BaO: 0-20%; Total iron (expressed in Fe2O3 form): 0.002-0.06%; said composition also comprising one of the following components: manganese (expressed in MnO form), in an amount ranging from 0.01 to 1% by weight; antimony (expressed in Sb2O3 form), in an amount ranging from 0.01 to 1% by weight; arsenic (expressed in AS2O3 form), in an amount ranging from 0.01 to 1% by weight; or copper (expressed in CuO form), in an amount ranging from 0.0002 to 0.1% by weight. The invention also relates to the use of such a glass sheet in a device employing infrared radiation propagating essentially inside said sheet.

Abstract: The invention relates to a glass sheet having high transmission of infrared (IR) radiation. More specifically, the invention relates to a glass sheet having a composition which comprises, in a content expressed as percentages by total weight of glass: SiO2 55-85%; Al2O3 0-30%; B2O3 0-20%; Na2O 0-25%; CaO 0-20%; MgO 0-15%; K2O 0-20%; BaO 0-20%; Total iron (expressed in the form of Fe2O3) 0.002-0.06%, a chromium content (expressed in the form of Cr2O3) ranging from 0.0015% to 1% and a cobalt content (expressed in the form of Co) ranging from 0.0001% to 1%. By virtue of its high transmission of IR radiation, the glass sheet according to the invention can advantageously be used in a device using a technology requiring very good transmission of IR radiation, whether through the main faces or starting from their sheared edge (for example, a screen or panel or pad, the glass sheet defining a touch surface).

Abstract: The invention relates to a glass sheet having a high transmission in the infrared, especially usable in a touch screen, touch panel or touch pad. More precisely, the invention relates to a glass sheet having a composition that comprises, in an amount expressed in percentages by total weight of glass: SiO2 55-85%, Al2O3 0-30%, B2O3 0-20%, Na2O 0-25%, CaO 0-20%, MgO 0-15%, K2O 0-20%, BaO 0-20%, Total iron (expressed in Fe2O3 form) 0.002-0.06%; and cerum in an amount (expressed in CeO2 form) ranging from 0.001 to 1%. The invention also relates to the use of such a glass sheet in a device using infrared radiation propagating essentially inside said sheet. By virtue of its high transmission of infrared radiation, the glass sheet according to the invention may advantageously be used, for example, in a screen or panel or tablet, the glass sheet defining a touch surface.

Abstract: The invention relates to a glass sheet with high IR transmission. More precisely, the invention relates to a glass sheet having a composition comprising in a content expressed in percentages of the total weight of the glass: 55?SiO2?85% 0?Al2O3?30% 0?B2O3?20% 0?Na2O<5% 0?CaO?20% 0?MgO?15% 0?K2O?20% 0?BaO?20% 0.002?total iron (expressed in the form of Fe2O3)?0.06%, said composition comprising a chromium content such as: 0.0001%?Cr2O3?0.06% expressed in a percentage of the total weight of glass. Because of its high IR transmission the glass sheet according to the invention can be advantageously used, for example, in a screen or panel or pad, wherein the glass sheet defines a touch sensitive surface. The invention also relates to the use of such a glass sheet in a device using an infrared radiation that propagates essentially inside said sheet.

Abstract: The invention relates to a glass sheet with high IR transmission. More precisely, the invention relates to a glass sheet having a composition comprising in a content expressed in percentages of the total weight of the glass: 55?SiO2?85% 18<Al2O3?30% 0?B2O3?20% 0?Na2O?25% 0?CaO?20% 0?MgO?15% 0?K2O?20% 0?BaO?20% 0.002?total iron (expressed in the form of Fe2O3)?0.06%, said composition comprising a chromium content such as: 0.0001%?Cr2O3?0.06% expressed in a percentage of the total weight of glass. Because of its high IR transmission the glass sheet according to the invention can be advantageously used, for example, in a screen or panel or pad, wherein the glass sheet defines a touch sensitive surface. The invention also relates to the use of such a glass sheet in a device using an infrared radiation that propagates essentially inside said sheet.

Abstract: The invention concerns an ultra-clear glass sheet, i.e. a sheet of glass with high energy transmission, that can be used, in particular, in the solar and architectural fields. More specifically, the invention concerns a sheet of glass having a composition which comprises, in an amount expressed as percentages of the total weight of the glass: SiO2 60-78%; Al2O3 0-10%; B2O3 0-5%; CaO 0-15%; MgO 0-10%; Na2O 5-20%; K2O 0-10%; BaO 0-5%; total iron (expressed in the form of Fe2O3) 0.002-0.03%, the composition comprises a copper content of 0.001 to 0.15% by weight relative to the total weight of the glass, the copper content being expressed in the form of Cu as a percentage by weight relative to the total weight of the glass.

Abstract: The invention relates to a glass sheet with high IR transmission. More precisely, the invention relates to a glass sheet having a composition comprising in a content expressed in percentages of the total weight of the glass: 78<SiO2?85% 0?Al2O3?30% 0?B2O3?20% 0?Na2O?25% 0?CaO?20% 0?MgO?15% 0?K2O?20% 0?BaO?20% 0.002?total iron (expressed in the form of Fe2O3)?0.06%, said composition comprising a chromium content such as: 0.0001%?Cr2O3?0.06% expressed in a percentage of the total weight of glass. Because of its high IR transmission the glass sheet according to the invention can be advantageously used, for example, in a screen or panel or pad, wherein the glass sheet defines a touch sensitive surface. The invention also relates to the use of such a glass sheet in a device using an infrared radiation that propagates essentially inside said sheet.

Abstract: The invention relates to a glass sheet with high IR transmission. More precisely, the invention relates to a glass sheet having a composition comprising in a content expressed in percentages of the total weight of the glass: 55?SiO2?85% 0?Al2O3?30% 0?B2O3?20% 0?Na2O?25% 0?CaO?20% 0?MgO?15% 10<K2O?20% 0?BaO?20% 0.002?total iron (expressed in the form of Fe2O3)?0.06%, said composition comprising a chromium content such as: 0.0001%?Cr2O3?0.06% expressed in a percentage of the total weight of glass. Because of its high IR transmission the glass sheet according to the invention can be advantageously used, for example, in a screen or panel or pad, wherein the glass sheet defines a touch sensitive surface. The invention also relates to the use of such a glass sheet in a device using an infrared radiation that propagates essentially inside said sheet.

Abstract: The invention relates to a glass sheet with high IR transmission. More precisely, the invention relates to a glass sheet having a composition comprising in a content expressed in percentages of the total weight of the glass: 55?SiO2?85% 0?Al2O3?30% 0?B2O3?20% 0?Na2O?25% 0?CaO?20% 0?MgO?15% 0?K2O?20% 5?BaO?20% 0.002?total iron (expressed in the form of Fe2O3)?0.06%, said composition comprising a chromium content such as: 0.0001%?Cr2O3?0.06% expressed in a percentage of the total weight of glass. Because of its high IR transmission the glass sheet according to the invention can be advantageously used, for example, in a screen or panel or pad, wherein the glass sheet defines a touch sensitive surface. The invention also relates to the use of such a glass sheet in a device using an infrared radiation that propagates essentially inside said sheet.

Abstract: The invention relates to an extra-clear glass sheet, i.e. a glass sheet with high energy transmission, which can be used in particular in the field of solar energy. Specifically, the invention relates to a glass sheet having a composition that includes, in an amount expressed in wt % for the total weight of the glass: 60-78% of SiO2; 0-10% of Al2O3; 0-5% of B2O3; 0-15% of CaO; 0-10% of MgO; 5-20% of Na2O; 0-10% of K2O; 0-5% of BaO, wherein the total amount of iron (in the form of Fe2O3) is 0.002-0.03%, and the composition includes a ratio of manganese/(total iron) of 1 to 8.5, the manganese content being expressed in the form of MnO in wt % relative to the total weight of the glass.