95 results about "Phosphate glass" patented technology

The invention discloses an LTCC (Low Temperature Co-Fired Ceramic) green tape as well as a preparation method and application thereof, and the preparation method comprises the following steps: mixing LTCC formula powder and additive phase powder to obtain mixed powder; mixing the mixed powder, a dispersing agent and a solvent, and performing first ball milling treatment to obtain a first ball milling product; adding an adhesive and a plasticizer into the first ball-milling product, and carrying out second ball-milling treatment to obtain a second ball-milling product; filtering the second ball-milled product to obtain ceramic slurry for tape casting; drying the casting ceramic slurry to obtain an LTCC (Low Temperature Co-Fired Ceramic) green tape; wherein the weight ratio of the LTCC formula powder to the additive phase powder is (50-95): (5-50); the LTCC formula powder comprises ceramic powder and glass powder; the additive phase powder is at least one of hexagonal boron nitride, fluorophlogopite sheets, bismuthate-based tungsten bronze and phosphate glass. According to the LTCC green tape prepared by the preparation method disclosed by the invention, the technical problem that the machinability and the thermal conductivity of an LTCC green substrate prepared by an existing LTCC green tape are relatively poor can be solved.

A glass for an optical filter, the glass being a phosphate glass including Cu, in which the glass has: an average transmittance of 80% or more at a wavelength of 430 nm to 550 nm; an average transmittance of 2% or less at a wavelength of 800 nm to 950 nm; an average transmittance of 3% or less at a wavelength of 1000 nm to 1200 nm; an average transmittance of 5% or less at a wavelength of 700 nm to 1200 nm; a transmittance of 25% or more at a wavelength of 1550 nm; and a wavelength at which a transmittance is 50% of 615 nm or more in a wavelength range of 600 nm to 800 nm.

An optical filter includes a first dielectric multilayer film, a resin film, a phosphate glass, and a second dielectric multilayer film. The second dielectric multilayer film includes at least one H2 layer satisfying a refractive index of 1.8 or more and 2.5 or less and a QWOT of 1.1 or more and 3.5 or less, when a layer closest to the phosphate glass in the H2 layers is defined as a first H2 layer, the second dielectric multilayer film comprises a first M2 layer comprising a single layer satisfying a QWOT of 1.2 or more and 1.8 or less or a plurality of layers satisfying a total QWOT of 1.2 or more and 1.8 or less between the first H2 layer and the phosphate glass, and the optical filter satisfies all of the spectral characteristics (i-1) to (i-4).

The present invention relates to the technical field of monazite dating, specifically to a synthesis method of monazite standard samples and the application of dual dating methods. It includes the following steps: weighing raw materials according to the stoichiometric ratio of U, Th, and Pb concentrations of the standard sample to be prepared, processing the raw materials into powder, and then grinding, compressing, and calcining them multiple times; fully grinding the sample after heat cycle treatment, mixing it with a flux and grinding evenly, and then pouring it into a crucible; placing the crucible in a high-temperature furnace to fully melt and uniformly mix all substances, quickly taking out the crucible, and rapidly quenching it to form a uniform yellow transparent phosphate glass, thereby artificially synthesizing a phosphate glass standard sample to be used for measuring the U concentration in monazite by laser ablation-inductively coupled plasma mass spectrometry, and further achieving the simultaneous and accurate acquisition of the U-Pb age and fission track age of monazite.

Glass compositions include one or more of phosphorus oxide (P2O5), niobia (Nb2O5), titania (TiO2), potassium oxide (K2O) and lithium oxide (Li2O) as essential components and may optionally include barium oxide (BaO), zinc oxide (ZnO), V2O5 (vanadia), FeO (iron oxide) and other components.

To provide a phosphoric acid-based glass having a low heat expansion coefficient.SOLUTION: An optical glass has, on a mass basis, a content of B2O3 of 3.00% or more and 70.00% or less, a content of P2O5 of 47.00% or more and 80.00% or less, a content of Al2O3 of 13.00% or less, a content of Li2O of 0.01% or more, a content of Na2O of 5.00% or less, a content of CaO of 18.00% or less, a content of ZnO of 23.00% or less, a total content of (P2O5+B2O3+SiO2) of 66.00% or more and 84.00% or less, a total content of (MgO+CaO+SrO+BaO) of 26.00% or less, provided that a total content of (P2O5+B2O3+SiO2) of 69.00% or more and 84.00% or less when a total content of (MgO+CaO+SrO+BaO) is 15.00% or more and 26.00% or less, a total content of (Li2O+Na2O+K2O) of 15.00% or less, a mass ratio of (P2O5 / B2O3) of 18.00 or less, a mass ratio of (Na2O / (Li2O+Na2O+K2O)) of 0.50 or less, a total content of (MgO+CaO) of 2.00% or more, a mass ratio of ((Li2O+BaO) / B2O3) of 0.59 or less, a mass ratio of ((Al2O3+BaO) / Li2O) of 2.77 or less, a mass ratio of ((MgO+CaO) / (Li2O+Na2O+K2O)) of 6.10 or less, a mass ratio of ((MgO+CaO+SrO+BaO+ZnO) / (P2O5+B2O3+SiO2)) of 0.36 or less, a refractive index nd of 1.70000 or less, an Abbe number νd of 60.00 or more, and an average linear expansion coefficient α at 100°C-300°C of 130×10-7 / K or less.SELECTED DRAWING: None

The present invention relates to ternary lithium nickel phosphate glasses and a process for their production. The invention also relates to the preparation and use of said glasses as active materials for positive electrodes, particularly in metal-ion batteries, as well as to said active materials and electrodes per se. (no figure)

A method for forming an oxidation protection system on a composite structure is provided, which may comprise applying a ceramic layer slurry to the composite structure, wherein the ceramic layer slurry may comprise aluminum and silicon in a solvent or carrier fluid; heating the composite structure to form a ceramic layer on the composite structure, wherein the ceramic layer may comprise aluminum nitride; applying a sealing slurry to the composite structure, wherein the sealing slurry may comprise a sealing pre-slurry composition and a sealing carrier fluid, wherein the sealing pre-slurry composition may comprise a sealing phosphate glass composition; and / or heating the composite structure to form a sealing layer on the composite structure.

Disclosed in the present invention are an antimicrobial glass composition comprising a mixture of two types of glass, an antimicrobial glass powder thereof, and a method for producing same. The dual-type antimicrobial glass composition is prepared by mixing an Ag-containing borate glass and a Zn-containing phosphate glass to appropriately utilize two antimicrobial active substances. The dual-type antimicrobial glass composition is designed such that the Ag-containing borate glass and the Zn-containing phosphate glass have different elution rates when exposed to moisture or the like, thereby forming a crystalline phase in which an elution of Ag does not manifest as discoloration and thus suppressing discoloration caused by reduction of Ag.

This invention provides an optical filter having high infrared absorption ability and excellent adhesion between layers, and an imaging device including the optical filter and excellent in durability.　An optical filter (100) comprises, in the stated order, a glass substrate (10), a dielectric film (20), and a layer (30) with dips and bumps. The glass substrate (10) is phosphate glass or fluorophosphate glass.

This invention belongs to the field of optical glass technology and discloses a method for preparing low-hydroxyl NdFeB-doped fluorinated phosphate glass by discharge plasma sintering. Using Sr(PO3)2, Ba(PO3)2, MgF2, AlF3, NdF3, or NdI3 as raw materials, a batch is prepared by mixing in a specific ratio. The batch is then sintered by discharge plasma and cooled to obtain NdFeB-doped fluorinated phosphate glass. The sintering pressure is 250-300 kg, the sintering temperature is 1000-1200℃, and the holding time is 15-40 min. This invention successfully prepares NdFeB-doped fluorinated phosphate glass using discharge plasma sintering technology. Compared with the high-temperature melting method with the same formula, the melting temperature of this invention is reduced by 200℃, and the hydroxyl absorption coefficient is reduced from 4.77 cm⁻¹. ‑1 It dropped to 0.075cm ‑1 The lifetime increased from 339.1 μs to 388.4 μs, providing a new approach for preparing high-efficiency luminescent fluorine-phosphorus optical glass with low hydroxyl absorption coefficient.

The application discloses a mineralization treatment method of organic waste liquid, and belongs to the technical field of radioactive waste treatment. The organic waste liquid contains uranium, tributyl phosphate and diluent. The mineralization treatment method comprises the following steps: the organic waste liquid is separated through short-path molecular rectification to obtain a diluent fraction and a tributyl phosphate fraction; the tributyl phosphate fraction is reacted with alkali liquor to generate an alkaline hydrolysis product containing dibutyl phosphate salt, n-butanol, water and uranium; the n-butanol is collected through condensation reflux; and the remaining alkaline hydrolysis product is treated through two-stage oxygen-controlled incineration, so that phosphate glass and qualified flue gas are finally obtained. The mineralization treatment method has the advantages of no corrosion, short process, high-efficiency mineralization and stabilization of the waste liquid, direct disposal of the product, consideration of resource recovery and radioactive safety, and easy industrialization.

The invention discloses a preparation method of an IGBT device. The IGBT device comprises a substrate, an interlayer dielectric layer, a metal barrier layer, a metal layer, a first passivation layer, a second passivation layer, an alloy processing substrate and a semiconductor device area. The stress in the semiconductor device is released through alloying treatment after photoetching, the problem that the stress of a boron-free phosphorosilicate glass IGBT device is too large in the related technology is solved, due to the fact that the stress is reduced, the channel opening of the IGBT device is more sufficient under the low opening voltage, the problem that the saturation voltage drop of a collector and an emitter is discrete is effectively solved, and the reliability of the IGBT device is improved. The stability and the consistency of the IGBT device are improved, and the performance and the reliability of the whole circuit can be improved; the passivation layer is changed from a single silicon-rich silicon nitride layer to the combined film layer of the silicon nitride layer and the silicon-rich silicon nitride layer, so that the problem of small black spots in the subsequent newly-added alloying treatment process is avoided, the structure of the combined film layer is more stable, and the durability and reliability of the device are improved.

An insulator-coated soft magnetic powder includes:a soft magnetic powder formed of an Fe—Si—B—C-based amorphous alloy soft magnetic material; andan insulating coating that coats a surface of the soft magnetic powder and contains a phosphate-based glass;wherein the average particle diameter is 15.0 μm or more and 40.0 μm or less;the phosphate-based glass is a glass containing phosphorus oxide as a main component and containing Li; andthe ratio Li / P of the content of Li to the content of P quantified by an elemental analysis method is 0.01 or more and 0.20 or less.

The present invention relates to an optical filter having a first dielectric multilayer film, a resin film, a phosphate glass, and a second dielectric multilayer film in this order, in which the resin film contains a resin and a dye having a predetermined spectral characteristic, and the second dielectric multilayer film contains an H2 layer having a refractive index and a QWOT within a specific range. When the H2 layer closest to the phosphate glass is defined as the first H2 layer, a first M2 layer having a QWOT satisfying a specific range is included between the first H2 layer and the phosphate glass, and the optical filter satisfies all predetermined spectral characteristics (i-1)-(i-4).

Glass compositions include one or more of phosphorus oxide (P2O5), niobia (Nb2O5), titania (TiO2), potassium oxide (K2O) and lithium oxide (Li2O) as essential components and may optionally include barium oxide (BaO), zinc oxide (ZnO), V2O5 (vanadia), FeO (iron oxide) and other components.

An optical filter includes a first dielectric multilayer film, a resin film, a phosphate glass, and a second dielectric multilayer film. The second dielectric multilayer film includes at least one H2 layer satisfying a refractive index of 1.8 or more and 2.5 or less and a QWOT of 1.1 or more and 3.5 or less, when a layer closest to the phosphate glass in the H2 layers is defined as a first H2 layer, the second dielectric multilayer film comprises a first M2 layer comprising a single layer satisfying a QWOT of 1.2 or more and 1.8 or less or a plurality of layers satisfying a total QWOT of 1.2 or more and 1.8 or less between the first H2 layer and the phosphate glass, and the optical filter satisfies all of the spectral characteristics (i-1) to (i-4).

The present invention discloses a special cable for ocean-going ships and a preparation method thereof, which relates to the technical field of cables. In the present invention, a two-component silicone rubber and linear low-density polyethylene are used as the matrix, and pre-crosslinking is carried out through a crosslinking agent 1,4-bis(tert-butylperoxyisopropyl)benzene and a co-crosslinking agent triallyl isocyanurate, so as to achieve the effects of fire resistance and high temperature resistance. Then, short alumina fibers and phosphate glass are added. At high temperature, the molten phosphate presents a glassy phase, fills the pores generated by the thermal decomposition of the polymer, and connects with alumina, thereby generating an aluminum phosphate crystal phase to delay the decomposition of internal macromolecular substances. Finally, through radiation crosslinking, the polymer and the silicone rubber form a network structure to make up for the side effects caused by the addition of fillers, and the polar groups generated by radiation improve the interfacial properties between the matrix and the fillers. At the same time, the ring-opening reaction of triallyl isocyanurate occurs, thereby further enhancing the fire resistance and high temperature resistance of the matrix material.

This invention relates to a fluorophosphate glass containing P, F, and O as essential components, with Cu as a cation percentage. 2+ It is 5-14%, (Ca 2+ Ba content 2+ (content) / ΣR 2+ (ΣR 2+ It refers to Ba 2+ 、Sr 2+ Ca 2+ Mg 2+ The total amount (total) is 0.75–1.0, Li + Content / ΣR' + (ΣR' + It refers to Li + Na + The total amount of the substance is 0.75 to 1.0 (excluding 1.0), and its Young's modulus is above 70 GPa.

The invention discloses sealing glass powder with high chemical stability resistance and a preparation method thereof, and belongs to the technical field of glass powder. The sealing glass powder is prepared from a component I and a component II; the component I is prepared from the following oxides: P2O5, Na2O, K2O, Li2O, CuO, Fe2O3, WO3, Al2O3, B2O3, BaO, SrO and MgO; and the component II is a nitride. The preparation method comprises the following steps: preparing a mixture according to the component I; crushing after melting; mixing the component I and the component II, and carrying out nitriding treatment; and crushing and grinding. The glass powder prepared by the method disclosed by the invention has low sealing temperature and high thermal expansion coefficient at the same time, and in addition, the glass powder is excellent in water resistance and reaches the standard of first-grade water resistance grade, so that the water resistance of the phosphate glass powder is remarkably enhanced, and the practical value and applicability of the phosphate sealing glass powder are further improved.

This invention provides a radiation-resistant fluorophosphate glass and its preparation method, relating to the field of glass preparation technology. The fluorophosphate glass, by weight, comprises the following raw materials: Ba(PO3)2 30-48 parts, Sr(PO3)2 6-12 parts, Al(PO3)3 10-16 parts, AlF3 4-8 parts, MgF2 4-8 parts, BaF2 4-10 parts, SrF2 6-10 parts, LiF1-4 parts, and Ce-Gd@LaF3 nanocomposite 0.5-2.0 parts. The Ce-Gd@LaF3 nanocomposite is prepared by the following method: a Ce-Gd co-doped nanocomposite is synthesized using Ce(NO3)3·6H2O and Gd(NO3)3·6H2O, and then LaF3 is coated onto the surface of the Ce-Gd co-doped nanocomposite to obtain the Ce-Gd@LaF3 nanocomposite. A method for preparing a radiation-resistant fluorophosphate glass includes Ce-Gd co-doped nanocomposite synthesis, LaF3 coating, and melting of the co-doped fluorophosphate glass. This invention provides a radiation-resistant fluorophosphate glass with excellent radiation resistance, mechanical properties, and optical properties.

The invention discloses high-conductivity high-temperature sintered copper paste, a preparation method and application, and solves the technical problems of insufficient densification of a conductive network and high resistivity caused by thermal decomposition of an organic carrier in the high-temperature sintering process of the existing copper-based conductive paste. The copper paste comprises the following raw material components in parts by weight: 50-80 parts of copper powder, 15-45 parts of an acrylic resin organic carrier, 10-36.5 parts of a solvent, 0.5-5 parts of a dispersing agent, 0.5-5 parts of a flatting agent and 3-15 parts of low-melting-point phosphate glass powder. The conductive performance of the sintered copper film is improved to be close to the performance level of a high-conductivity copper material, meanwhile, good film adhesive force is achieved, and a reliable slurry solution is provided for low-cost manufacturing of high-performance electronic elements.

The application discloses a glass antibacterial agent and a preparation method and application thereof, and antibacterial glass slurry. The glass antibacterial agent comprises a glass base and an antibacterial metal oxide; the antibacterial metal oxide is ZnO and / or CuO; the content of the antibacterial metal oxide is 12wt%-35wt%; the glass base is one or more of silicate glass, borate glass, borosilicate glass and phosphate glass; wherein, the glass base comprises an alkaline earth metal oxide; the content of the alkaline earth metal oxide is 4wt%-20wt%. The glass antibacterial agent in the application has good stability, can be stored at room temperature for 3-6 months without sedimentation and agglomeration, has good dispersing performance in paint, and can make the paint have excellent antibacterial performance; meanwhile, the preparation method of the glass antibacterial agent in the application is simple and safe, is suitable for large-scale production, and has wide application prospect in the fields of paint and fiber.

The application discloses a high-alumina phosphate glass and a preparation method thereof. In terms of oxides, the composition of the high-alumina phosphate glass raw material comprises P2O5 34 mol%, Al2O3 36-46 mol% and Na2O 20-30 mol%. The high-alumina phosphate glass disclosed by the application successfully prepares the transparent and uniform phosphate glass without bubbles by strictly controlling the specific content of the raw material composition, and significantly improves the hardness and elastic modulus of the phosphate glass. The nano-hardness of the prepared phosphate glass is as high as more than 5 GPa, and the elastic modulus is as high as more than 60 GPa.

comprising an optoelectronic component (100): a semiconductor chip (1); a conversion element (2) comprising a wavelength-converting phosphor dispersed in a matrix material (5); where - the matrix material (5) is a phosphate glass and is water-resistant; - the phosphate glass includes P2O5, Al2O3, B2O3, Na2O, K2O and F, - the optoelectronic component (100) is configured to emit warm white light during operation, - the warm white light has a correlated color temperature in the range of 1500 K to 3500 K, and - the light is emitted from the semiconductor chip (1) through the conversion element (2).

We provide phosphate glass with a high refractive index and low density. [Solution] The glass composition contains phosphorus oxide (P2O5), niobia (Nb2O5), barium oxide (BaO), and potassium oxide (K2O) as essential components, and may optionally contain titania (TiO2), calcium oxide (CaO), sodium oxide (Na2O), lithium oxide (Li2O), bismuth oxide (Bi2O3), strontium oxide (SrO), tungsten oxide (WO3), and other components, with the total of TiO2 + Nb2O5 being 1.0 mol% or more and 55.0 mol% or less. The glass can be characterized by a high refractive index at 587.56 nm at relatively low density at room temperature.

The glass composition includes phosphorus oxide (P2O5), niobium oxide (Nb2O5), barium oxide (BaO), and potassium oxide (K2O) as essential components, and can optionally include titanium oxide (TiO2), calcium oxide (CaO), sodium oxide (Na2O), lithium oxide (Li2O), bismuth oxide (Bi2O3), strontium oxide (SrO), tungsten oxide (WO3), and other components. The glass can be characterized as having a high refractive index at 587.56 nm with a comparable room temperature low density.

The present invention relates to an optical filter provided with a dielectric multilayer film (1), a resin film, a phosphate glass, and a dielectric multilayer film (2) in this order, the resin film comprising a resin and a near-infrared absorbing dye in the resin, the near-infrared absorbing dye having a maximum absorption wavelength at 690-800 nm, the thickness of the resin film being 10 [mu] m or less, and the thickness of the phosphate glass being 10 [mu] m or less. The optical filter satisfies all specific spectral characteristics (i-1) to (i-5).

The invention relates to the technical field of glass fertilizers, and discloses a composition for a slow-release glass lithium fertilizer, the slow-release glass lithium fertilizer and a preparation method of the slow-release glass lithium fertilizer. Based on the total mass of the composition, the composition comprises 70wt%-80wt% of a lithium-based silicate material and 20wt%-30wt% of a component A, based on the total mass of the lithium-based silicate material, the lithium-based silicate material comprises 58wt%-72wt% of silicon dioxide, 4wt%-24wt% of aluminum oxide and 2wt%-18wt% of lithium oxide; the component A is a boron-containing raw material for forming borate glass and / or a phosphorus-containing raw material for forming phosphate glass. The lithium element in the slow-release glass lithium fertilizer obtained by adopting the composition provided by the invention can be effectively and slowly released, and the slow-release glass lithium fertilizer has continuous and long-term fertility, and can avoid adverse effects caused by too much and too thick fertilization or improper fertilization methods for plants.

The invention discloses a large-diameter phosphate neodymium glass element cleaning flexible clamp device and an optical element carrying method, the clamp device comprises a connecting seat, a forward clamping mechanism, a lateral clamping mechanism and a vertical lifting mechanism, and non-contact clamping and carrying of an optical element are achieved through cooperative action of multiple air cylinders. According to the forward clamping mechanism, a forward clamping air cylinder drives a clamping jaw to complete the element lifting action, the lateral clamping mechanism provides stable supporting, and the vertical lifting mechanism achieves vertical carrying. All the clamping jaws are provided with flexible cushions and only make contact with the non-light-transmitting faces of the elements, and pollution and damage to the light-transmitting faces caused by a traditional clamping mode are effectively avoided. The device is particularly suitable for carrying large-diameter phosphate neodymium glass elements in an annular polishing process, can be adapted to elements with different sizes, can be integrated with automatic equipment, realizes efficient and clean automatic carrying operation, and solves the technical problems of surface pollution, precision damage and the like caused by contact type clamping in the prior art.