Abstract: A glass includes following components in molar percentage of cations: P5+: 51-72%; Al3+: 0-10%; Cu2+: 5-25%; Rn+: 5-25%; R2+: 1-18%; Ln3+: 0-8%, wherein Rn+ is one or more of Li+, Na+, and K+, R2+ is one or more of Mg2+, Ca2+, Sr2+, and Ba2+, and Ln3+ is one or more of La3+, Gd3+, and Y3+; the glass also includes the following components of anions: O2? and F?, and a total content of O2? and F? (O2?+F?) is more than 98%. Through reasonable component design, the glass obtained by the present application has excellent intrinsic quality, excellent transmission properties in the visible range, and excellent absorption properties in the near-infrared region.

Abstract: A glass composition, wherein components thereof are represented by weight percentage, including: 50-70% of SiO2; 3-20% of B2O3; 11-25% of Al2O3; 1-15% of CaO; 0-10% of MgO. Through rational component design, the glass composition features excellent chemical stability, high UV light transmittance and transition temperature, so as to meet the requirements for carrier and packaging in semiconductor manufacturing process and to be applicable for semiconductor manufacturing field.

Abstract: An optical glass contains the following components in molar percentage of cations: 2-20% of P5+, 20-40% of Al3+, 0.5-10% of Ba2+, 5-25% of Sr2+, 15-35% of Ca2+, and 1-15% of Mg2+, and contains the following components in molar percentage of anions: 83-95% of F? and 5-17% of O2?. The fluorophosphate optical glass has a refractive index (nd) of 1.42-1.45, an Abbe number (vd) of 93-96, a density (?) of 3.55 g/cm3 or less, a bubble degree of grade B or above, a thermal expansion coefficient of 160×10?7/K or less, a durability of water (Dw) of grade 2 or above, and an excellent crystallization resistance performance.

Abstract: An optical glass, wherein components of the optical glass are represented by weight percentage, including: 12-30% of SiO2; 6-20% of Nb2O5; 15-35% of TiO2; 15-35% of BaO; 1-10% of ZrO2. Through rational component proportion, the optical glass obtains the optical glass with a refractive index of 1.89-1.96 and an Abbe number of 20-28 in silicate (borate) system; the cost for raw material and production of this optical glass is lower, and the environmental load is smaller.

Abstract: The present invention provides a glass material that has a suitable thermal expansion coefficient to meet the application in the field of semiconductor manufacturing. A glass material, wherein components thereof are represented by weight percentage, comprising: 43-63% of SiO2; 0-15% of B2O3; 2-15% of Al2O3; 11-30% of BaO; 3-18% of CaO. Through rational component design, the glass material of the present invention has a suitable thermal expansion coefficient and is applicable to the field of semiconductor manufacturing.

Abstract: Disclosed are optical glass, a glass preform or an optical element made therefrom and an optical instrument. The optical glass is calculated by a mass percentage content relative to a total mass of glass converted by an oxide, and the optical glass includes: B2O3: 5˜25%, La2O3: 25?45%, Gd2O3: 15?35%, Y2O3: 0?10%, Yb2O3: 0˜10%, Nb2O5: 2?15%, SiO2: 0.5˜15%, ZrO2: 1?15%, TiO2: 0.5˜10% and WO3: 0˜10%, a weight ratio of Nb2O5 to TiO2, i.e., Nb2O5/TiO2, is 2.17?8.5, and Ta2O5 is not contained.

Abstract: Disclosed are optical glass, a glass preform or an optical element made therefrom the same and an optical instrument. The optical glass is calculated by a mass percentage content relative to a total mass of glass converted by an oxide, and the optical glass includes: B2O3: 5˜25%, SiO2: 0.5˜15%, ZrO2: 1˜15%, TiO2: 0˜10%, Ta2O5: 0.5˜10%, and La2O3, Gd2O3, Y2O3 and Yb2O3 of which the sum is 50˜75%, and Nb2O5 is not contained, a weight ratio of La2O3 to Gd2O3, i.e., La2O3/Gd2O3, is 1.28˜1.625.

Abstract: An optical glass, wherein components thereof are represented by weight percentage, including: 1-15% of SiO2; 5-20% of B2O3; 25-50% of La2O3; 1-12% of ZrO2; 5-20% of TiO2; 6-35% of RO, and the RO is total content of MgO, CaO, SrO, and BaO. Through rational component design, the optical glass has low density while having desired refractive index and Abbe number, which meets the lightweight application of optical instruments.

Abstract: An optical glass, wherein components thereof are represented by weight percentage, including: 1-12% of SiO2; 3-18% of B2O3; 45-65% of La2O3; 1-13% of Y2O3; 1-13% of ZrO2; 3-18% of Nb2O5; 5-20% of TiO2. Through rational component design, the optical glass has excellent chemical stability while having desired refractive index and Abbe number.

Abstract: Disclosed are an optical glass, a glass preform, an optical element and an optical instrument having the same. The optical glass comprises 5 to 25 wt % of B2O3, 25 to 45 wt % of La2O3, 0 to 10 Wt % of Y2O3, 10 to 35 wt % of Gd2O3, 0.5 to 15 wt % of SiO2, 1 to 15 wt % of ZrO2, 0 to 5 wt % of TiO2, 0 to 7 wt % of WO3, 0 to 15 wt % of Ta2O5, 0 to 10 wt % of ZnO and 0 to 8.5 wt % of Nb2O5; and m(B2O3+SiO2+ZrO2+Nb2O5+TiO2+WO3)/m(La2O3+ZrO2) is not lower than 0.6.

Abstract: The present invention discloses a microcrystalline glass, a microcrystalline glass product, and a manufacturing method therefor. The main crystal phase of the microcrystalline glass comprises lithium silicate and a quartz crystal phase. The haze of the microcrystalline glass of the thickness of 0.55 mm is below 0.6%. The microcrystalline glass comprises the following components in percentage by weight: SiO2: 65-85%; Al2O3: 1-15%; Li2O: 5-15%; ZrO2: 0.1-10%; P2O5: 0.1-10%; K2O: 0-10%; MgO: 0-10%; ZnO: 0-10%. A four-point bending strength of the microcrystalline glass product is more than 600 Mpa.

Abstract: A microcrystalline glass product. The microcrystalline glass product includes the following components in percentage by weight: SiO2: 45-70%; Al2O3: 8-18%; Li2O: 10-25%; ZrO2: 5-15%; P2O5: 2-10%; and Y2O3: greater than 0 but less than or equal to 8%. Through reasonable component design, the microcrystalline glass and the microcrystalline glass product have excellent mechanical and optical properties and are suitable for electronic devices or display devices.

Abstract: A microcrystalline glass and microcrystalline glass product with excellent mechanical properties, microcrystalline glass product, the components of which, expressed in weight percent, contain: SiO2: 65˜80%; Al2O3: below 5%; Li2O: 10˜25%; ZrO2: 5˜15%; P2O5: 1˜8%. Through the reasonable component design, the microcrystalline glass product has excellent mechanical properties.

Abstract: An environment-friendly glass material, including components like SiO2, ZnO, alkali metal oxide and S, but does not contain Cd, wherein when the thickness of the environment-friendly glass material is 3 mm, the cutoff wavelength is above 550 nm, the transmittance at 800-850 nm is above 75%, the transmittance at 850-900 nm is above 80%, the transmittance at 900-1000 nm is above 83%, and the transmittance at 1000-2000 nm is above 85%. Through rational component design, the glass material of the present invention realizes environmental protection, UV and visible light cutoff, and high near-infrared transmittance at the same time.

Abstract: A glass ceramic contains the following components by wt %: 60 to 80% of SiO2; 4 to 20% of Al2O3; 0 to 15% of Li2O; more than 0 but less than or equal to 12% of Na2O; 0 to 5% of K2O; more than 0 but less than or equal to 5% of ZrO2; 0 to 5% of P2O5; and 0 to 10% of TiO2. A crystalline phase contains at least one of R2SiO3, R2Si2O5, R2TiO3, R4Ti5O12, R3PO3, RAlSi2O6, RAlSiO4O10, R2Al2Si2O8, R4Al4Si5O18, quartz and quartz solid solution. With a liquidus temperature below 1,450° C., a thermal conductivity above 2 w/m·k, and a Vickers hardness above 600 kgf/mm2, the glass ceramic is applicable to portable electronic devices and optical devices.

Abstract: The present invention provides a microcrystalline glass and microcrystalline glass product with excellent mechanical properties, microcrystalline glass product, the components of which, expressed in weight percent, contain: SiO2: 65 ?80%; AI2O3: below 5%; Li2O: 10 ?25%; ZrO2: 5 ?15%; P2O5: 1 ?8%. Through the reasonable component design, the microcrystalline glass product obtained by the present invention have excellent mechanical properties.

Abstract: A glass material, includes the following components by weight percentage: 50-70% of SiO2; 3-15% of B2O3; 0.5-10% of TiO2; 1-12% of ZnO; 0.5-10% of Al2O3; 5-22% of Na2O+K2O, wherein B2O3/SiO2 is 0.06-0.26, and (TiO2+ZnO)/Al2O3 is 0.5-8.0. Through rational component design, the glass material features high light transmittance and excellent chemical stability, so as to be able to be applied in the field of photosensitive device packaging.

Abstract: The present invention provides a microcrystalline glass product. The microcrystalline glass product includes the following components in percentage by weight: SiO2: 45-70%; Al2O3: 8-18%; Li2O: 10-25%; ZrO2: 5-15%; P2O5: 2-10%; and Y2O3: greater than 0 but less than or equal to 8%. Through reasonable component design, the microcrystalline glass and the microcrystalline glass product obtained in the present invention have excellent mechanical and optical properties and are suitable for electronic devices or display devices.

Abstract: A glass composition with high Young's modulus and specific modulus, wherein the glass composition includes the following components by weight percentage: 30-46% of SiO2, 0-6% of B2O3, 10-30% of Al2O3, 4-20% of CaO, 2-15% of MgO, and 13-32% of Y2O3. The glass composition uses common chemical raw materials. By reasonably arranging the contents of each component, the glass is good in heat resistance, chemical stability and press-molding devitrification resistance performance, low in high-temperature viscosity, convenient in bubble elimination, with specific modulus above 34 and Young's modulus above 100 GPa, and is suitable for hard disk substrate manufacturing, semiconductor sealing and other fields.

Abstract: A glass composition with high Young's modulus and low density. The glass composition includes the following components by mole percentage: 52-70% of SiO2, 5-10% of B2O3, 5-15% of Al2O3, 8-20% of CaO and 5-18% of MgO. The glass composition uses common chemical raw materials. By reasonably designing the contents of each component, the glass composition has high Young's modulus, low density, good heat resistance and chemical stability, relatively low high-temperature viscosity, and low raw material cost. The glass composition is easy to eliminate stripes and bubbles during manufacturing, and is suitable for hard disk substrate manufacturing other fields that need high Young's modulus materials.