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995 results about "Glass material" patented technology

Glass is a hard material that can be made in many shapes. It is usually transparent, but it can also be made in colours. Glass is mainly made of silica; glass made of silica only is called silica glass.

Collision identification method and system of window cleaning robot

The invention discloses a collision identification method and system for a window cleaning robot, and relates to the technical field of robot environment perception, and the method comprises the steps: carrying out the time difference compensation and space synchronization based on a glass material type and collision detection parameters through a distributed perception collaborative analysis method, and generating a three-dimensional space vibration information matrix; enhancing the three-dimensional space vibration information matrix through a dynamic wavelet packet decomposition algorithm and a sliding window analysis method according to the type of a glass material; according to the enhanced three-dimensional space vibration information matrix, collision coordinates are calculated through a time difference positioning algorithm, the characteristic frequency of the vibration waveform is analyzed, and collision characteristic information is obtained; based on the collision feature information, combining safety parameters of glass material types, adopting a hybrid decision algorithm to analyze the collision feature information, and generating and executing a robot obstacle avoidance instruction; according to the method, the high-resolution three-dimensional vibration field is constructed through space-time collaborative modeling, and the collision coordinate calculation precision and the anti-interference capability are improved.
Owner:QINHUANGDAO CHENSHENG TECHNOLOGY CO LTD

Conductive paste containing ruthenium oxide and preparation method thereof

The invention belongs to the field of conductive paste preparation, and particularly discloses conductive paste containing ruthenium oxide and a preparation method of the conductive paste. The conductive paste is prepared from the following components in percentage by mass: 40 percent to 50 percent of ruthenium oxide, 3.8 percent to 5 percent of carbon nano tubes, 5 percent to 10 percent of PbO-B2O3-SiO2, 3 percent to 8 percent of ethyl cellulose, 21 percent to 28 percent of terpilenol, 9 percent to 12 percent of butyl carbitol, 0.7 percent to 1 percent of ammonium polyacrylate and 1 percent to 2 percent of dibutyl phthalate. According to the preparation method, ruthenium oxide is activated in vacuum, a mixed solvent is combined after dispersion, and a ball milling and ultrasonic dispersion synergistic process is adopted, so that the slurry is uniformly dispersed and has excellent stability. According to the invention, a ruthenium oxide-carbon nanotube-frit ternary synergistic system is constructed, and terpilenol and butyl carbitol in a specific mass ratio are taken as a mixed solvent, so that the problems of insufficient conductivity and easy agglomeration of traditional paste are effectively solved, and the method can be widely applied to manufacturing of high-precision electronic devices.
Owner:XIAN TENGXING ELECTRONIC TECH CO LTD

Thermal shock resistant transparent high borosilicate glass

The invention belongs to the technical field of glass materials, and discloses thermal shock resistant transparent high borosilicate glass which comprises the following components in percentage by weight: 60-70% of silicon dioxide, 18-22% of diboron trioxide, 4-7% of aluminum oxide, 3-5% of magnesium oxide, 2-4% of alkali metal oxide, 0.5-1.5% of nano silicon nitride and 0.5-1% of nano aluminum titanate. The thermal shock temperature difference of the glass within the temperature change range of 20-200 DEG C is larger than or equal to 180 DEG C, the light transmittance within the visible light range of 400-760 nm is larger than or equal to 85%, the alkali metal oxide is composed of sodium oxide and potassium oxide, the weight ratio of the sodium oxide to the potassium oxide is 1: 1-3: 1, the average particle size of the nanometer silicon nitride is smaller than or equal to 100 nm, and the nanometer silicon nitride is evenly dispersed in the glass matrix; according to the thermal-shock-resistant transparent high borosilicate glass and the preparation method thereof, the thermal shock resistance and light transmittance of the glass are improved by optimizing the chemical components of the glass and adding the special nanoparticles in cooperation with a specific preparation process, and the thermal shock resistance of the glass is improved. The problems that existing high borosilicate glass is insufficient in thermal shock resistance and low in light transmittance in a high-temperature environment are solved.
Owner:JIANGSU HUAOU GLASS CO LTD

Interposer and preparation method thereof, and photoelectric co-packaging structure

The invention provides an interposer and a preparation method thereof, and a photoelectric co-packaging structure, and the interposer comprises a substrate which comprises a glass substrate or a quartz substrate; the functional layer is arranged on the substrate, the refractive index of the functional layer is higher than that of the substrate, and the optical structure arranged on the functional layer at least comprises a micro-nano optical structure. The interposer realizes integration of an optical structure through the preset functional layer, and solves the problems of difficult micro-nano processing, difficult alignment, low integration level and the like of a glass material.
Owner:YONGJIANG LAB

Interface enhancement gradient design method of anti-impact aviation glass laminated structure

The invention discloses an interface enhancement gradient design method of an anti-impact aviation glass laminated structure, and relates to the technical field of composite material design, the method comprises the steps of glass material preparation, interface enhancement gradient design, lamination compounding, quality detection and performance testing, the glass material comprises a glass layer material, a middle layer material and a transition layer material, the laminated composite process comprises the steps of pre-strain treatment, pre-pressing treatment, hot-pressing combination and cooling demolding, and has the advantages that by arranging the transition layers with components and performance in gradient change, the content of reinforcing materials such as nanometer titanium dioxide particles and graphene nanosheets in each transition layer is gradually increased; and compared with a traditional uniform or simple layered structure, the gradient design has the advantage that the phenomenon of interface stress concentration caused by performance difference between the glass layer and the polymer intermediate layer is remarkably reduced.
Owner:JIANGSU IRON ANCHOR GLASS LTD BY SHARE LTD

Glass elastic modulus prediction method and system based on molecular dynamics simulation

The invention provides a glass elasticity modulus prediction method and system based on molecular dynamics simulation, and belongs to the technical field of glass performance prediction.The glass elasticity modulus prediction method comprises the steps that glass materials of different systems are obtained and tested, and an elasticity modulus test database is constructed; constructing an atomic model containing different system glass material component atoms, and optimizing the model; performing molecular dynamics simulation calculation on the optimized atomic model to obtain structure information of glass materials of different systems; enabling the elasticity modulus test databases of the glass materials of different systems to correspond to the structural information, and constructing a component-structure-performance data set; the elastic modulus is used as a dependent variable, the structural information is used as an independent variable, a multiple regression model is constructed, a quantitative structure-activity relationship for predicting the modulus of the glass elastic model is established, and the elastic modulus of a glass material in actual experimental production is predicted through simulation of molecular dynamics on the structural information. According to the invention, accurate simulation of the glass system structure and accurate prediction of the elastic modulus are realized.
Owner:TAISHAN FIBERGLASS INC

High-strength chemically-strengthened photosensitive microcrystalline glass as well as preparation method and application thereof

PendingCN120681959ACeramicPhotosensitive glass
The invention relates to the technical field of glass materials, in particular to high-strength chemically-strengthened photosensitive microcrystalline glass as well as a preparation method and application thereof. The high-strength chemically strengthened photosensitive microcrystalline glass comprises the following raw materials in percentage by mass: 65%-80% of SiO2, 3%-12% of Al2O3, 5%-15% of Li2O, 0%-5% of Na2O, 0%-3% of K2O, 0%-3% of MgO, 0%-1% of CaO, 0%-1% of SrO, 0%-3% of ZnO, 0%-2% of P2O5, 1%-7% of ZrO2, 0%-1% of TiO2, 0.05%-0.5% of CeO2, 0.05%-0.5% of Ag2O and 0.1%-0.6% of Sb2O3, the ratio of Li2O + Na2O + K2O is 8%-16%, and the ratio of MgO + CaO + SrO + ZnO is 0%-5%.
Owner:IRICO +1

Optical system and camera module for vehicle

An optical system for a vehicle disclosed in an embodiment of the invention includes a first lens, a second lens, a third lens, and a fourth lens disposed along an optical axis from an object side toward a sensor side, the first lens includes an object-side first surface and a sensor-side second surface on the optical axis, the second lens includes an object-side third surface and a sensor-side fourth surface, the third lens includes an object-side fifth surface and a sensor-side sixth surface, the fourth lens includes an object-side seventh surface and a sensor-side eighth surface, the first lens has a negative refractive power, the third lens has a positive refractive power, the fourth lens has a negative refractive power, the first lens and the fourth lens include a plastic material, and the third lens comprises a glass material.
Owner:LG INNOTEK CO LTD

Display device

The utility model discloses a display device, which comprises a shell, a backlight module and a display panel, and is characterized in that the shell comprises a front frame and a back plate; the display panel comprises a first substrate and a second substrate. The backlight module comprises a light bar, and the light bar comprises a light-emitting substrate and a light-emitting unit. The light-emitting substrate and the back plate are both made of glass materials, and the side, away from the light-emitting unit, of the light-emitting substrate is fixed to the back plate through a welding structure. Or, the light-emitting substrate and the front frame are both made of glass materials, and the side, away from the light-emitting unit, of the light-emitting substrate is fixed to the front frame through a welding structure. The light-emitting substrate of the light bar is welded with the front frame or the back plate through laser, so that the fixing effect is improved. The glass-based light bar is directly welded to the back plate or the front frame through the welding structure, manual assembly is not needed, and therefore the effects of improving the yield and reducing the labor cost are achieved; and meanwhile, the use of back glue of the light bar is reduced, and the material cost is reduced.
Owner:CHONGQING HKC OPTOELECTRONICS TECH CO LTD +1

Information handling system camera lens with eight elements for low distortion wide field of view

An information handling system camera provides a 117 degree field of view with low distortion by capturing visual images through a lens having eight lens elements. The first lens element closest to the object, the third lens element and the sixth lens element each have a glass material, the remaining lens elements have a plastic material. The first two lens elements and the last lens element each have a negative refractive power and the remaining lens elements have a positive refractive power. Lens elements two and four through eight each have aspherical surfaces.
Owner:DELL PROD LP

flashlight

1. The name of the design product: flashlight. 2. The use of the design product: lighting. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: the transparent glass material at A in perspective view 1.
Owner:SHENZHEN BEIYU TECHNOLOGY CO LTD

YAG transparent ceramic rapid welding method based on Joule heat heating

PendingCN120463522APhysical chemistrySlurry
The invention discloses a Joule heat heating-based YAG transparent ceramic rapid welding method, and belongs to the technical field of welding. According to the method, a Joule heat ultra-fast high-temperature heating method is utilized, and a glass solder is adopted for connecting YAG transparent ceramics, so that a joint with high strength and high light transmittance is obtained. The method specifically comprises the following steps: carrying out grinding and polishing treatment on the YAG ceramic surface; the preparation method comprises the following steps: weighing oxide raw materials according to the composition of the glass material, uniformly mixing, and preparing glass powder by adopting a melting-water quenching method; preparing the glass powder into slurry, and uniformly coating the surface of the transparent YAG ceramic with the slurry; and placing in an ultra-fast high-temperature sintering furnace for connection. According to the Joule heat ultra-fast high-temperature connection YAG transparent ceramic, connection is completed within one minute through the fast heating and cooling process, a connector with high strength and high light transmittance is obtained, and the production efficiency is greatly improved.
Owner:CHANGCHUN UNIV OF TECH

Polyimide adhesive for high-temperature adhesion as well as preparation method and application of polyimide adhesive

The invention relates to the technical field of high-molecular polymers, and particularly discloses a polyimide adhesive for high-temperature adhesion as well as a preparation method and application of the polyimide adhesive. The polyimide adhesive is prepared from the following raw materials in parts by mole: a diamine compound with a polyhydroxy structure, a flexible dianhydride compound, an organic solvent, a dehydrating agent and a catalyst, the preparation method comprises the following steps: dissolving a diamine compound in an organic solvent, adding a dianhydride compound, reacting to generate a polyimide precursor, adding a dehydrating agent and a catalyst, and reacting to generate the polyimide adhesive. The polyimide adhesive for high-temperature bonding can be applied to bonding of metal materials, ceramic materials and glass materials, and has the advantages of high bonding force, excellent high-temperature resistance, better chemical stability and capability of resisting acid and alkali erosion.
Owner:SHENZHEN HUAKE COMM TECH CO LTD

Black high-hardness heat-resistant microcrystalline glassware and preparation method thereof

ActiveCN120590059ALithium oxideGlass vessel
The invention belongs to the technical field of glass materials, and particularly relates to black high-hardness heat-resistant microcrystalline glass ware and a preparation method thereof. Silicon dioxide, sodium oxide, aluminum oxide, potassium oxide, boric oxide, magnesium oxide, calcium oxide, zinc oxide, sodium fluosilicate, iron oxide, manganese oxide, fluorite, lithium oxide, metal manganese coated with silicon dioxide and schorlite are used as raw materials, and the black high-hardness heat-resistant microcrystalline glass ware is prepared through the processes of high-temperature melting and mixing, compression molding, annealing and tempering. The black high-hardness heat-resistant microcrystalline glass ware is excellent in performance, high in hardness and good in heat resistance, and has potential market value.
Owner:JIANGSU YUEFENG TECH

Cutting device for optical glass processing

The utility model provides a cutting device for optical glass processing, which relates to the technical field of cutting machines and comprises a workbench, an adjusting mechanism is arranged at the top of the workbench, fixing mechanisms are symmetrically arranged on two sides in the adjusting mechanism, and a cutting device is arranged at the bottom of the adjusting mechanism. According to the optical glass cutting device, through the arrangement of the adjusting mechanism, the cutting device is adjusted in multiple directions, so that the adaptability of the device to different types and specifications of optical glass is improved, the production cost is reduced, the workload of operators and the error probability are reduced, the optical glass is fixed on the workbench through the arrangement of the fixing mechanism, and the working efficiency is improved. The fixing mechanism can reach a proper position according to the specification of the optical glass, so that the optical glass is firmly fixed on the protection pad through the fixing suction cup, the optical glass is kept at a stable position in the cutting process, the machining precision is ensured, a glass material is protected, and the machining efficiency is improved.
Owner:WUHAN LICHENG OPTICAL INSTR CO LTD

Intelligent fire extinguishing robot for underground garage

The invention discloses an intelligent fire extinguishing robot for an underground garage. The intelligent fire extinguishing robot comprises multiple system modules, wherein an intelligent navigation and positioning system constructs a three-dimensional map for positioning and obstacle avoidance; the parking space intelligent identification system scans the parking space to generate a thermodynamic diagram for early warning battery spontaneous combustion; a mechanical arm of the efficient fire extinguishing execution system is integrated with a force control sensor and the like, and multi-fire-extinguishing-agent switching is supported; the multi-robot collaborative operation module realizes data sharing of main and auxiliary robots, and the auxiliary robot moves the vehicle and releases the unmanned aerial vehicle; the multi-mode perception sensor group can identify glass materials and the like; the control system fuses data to adjust mechanical arm parameters; the energy management system adopts a graphene battery and a photovoltaic film; and the remote operation and maintenance module uses a block chain for evidence storage and a universe interface for commanding. All the systems construct a link through a bus, and data collection, instruction generation and linkage of all the systems are achieved. The robot dynamically plans a path based on central axis cruise, fire prevention and control are completed through multi-machine linkage, and full-process intelligent fire prevention and control are achieved through multi-system cooperation.
Owner:SICHUAN QIANLI EMERGENCY RESCUE EQUIP CO LTD

High-modulus blue glass for infrared cut-off filter and preparation method of high-modulus blue glass

The invention relates to the technical field of optical glass, and particularly discloses high-modulus blue glass for an infrared cut-off filter and a preparation method of the high-modulus blue glass. According to the high-modulus blue glass, the proportion of raw materials is optimized, and the prepared material has excellent mechanical property and visible light transmittance; wherein P2O5 serves as a glass network former, alkali metal oxide mainly plays a role of a network regulator, Al2O3 serves as an intermediate oxide, a [AlO4] tetrahedron is formed to be embedded into a glass network, the hardness and the scratch resistance of the material are remarkably improved, the transmissivity of the glass material in the visible light range can be improved through the copper-zinc component, and the glass material has the good anti-scratch performance. The composite addition and accurate proportioning of LiF and rare earth fluoride significantly improve the visible light permeability and mechanical properties of the glass.
Owner:湖北戈碧迦光电科技股份有限公司

Corrosion-resistant sealing glass material for lithium battery and preparation method of corrosion-resistant sealing glass material

The invention discloses a corrosion-resistant sealing glass material for a lithium battery and a preparation method of the corrosion-resistant sealing glass material, and the sealing glass material comprises the following components in molar percentage: 20%-29% of SiO2, 12%-25% of Al2O3, 12%-25% of B2O3, 5%-15% of alkali metal oxide and 5%-15% of alkaline earth metal oxide. Wherein the alkali metal oxide comprises 1%-5% of LiO2, 1%-5% of K2O and 1%-5% of Na2O; the alkaline earth metal oxide comprises 1%-10% of BaO, 0%-5% of CaO and 0%-5% of SrO. By accurately controlling the content of each component, the sealing glass material with good sealing performance and excellent corrosion resistance is obtained, the corrosion of electrolyte to the glass material can be remarkably inhibited, and the stability and reliability of lithium battery products are remarkably improved; and the glass material has a thermal expansion coefficient matched with related metal, so that the thermal stress in the sealing process can be reduced.
Owner:XIAN SEAL ELECTRONICS MATERIAL TECH CO LTD

Manufacturing method of high-heat-insulation and sound-insulation PVB (polyvinyl butyral) intermediate film for automobile large sunroof

The invention relates to a manufacturing method of a high-heat-insulation and sound-insulation type PVB (Polyvinyl Butyral) intermediate film for an automobile large skylight, and belongs to the technical field of laminated glass material preparation. A common PVB resin layer A, a high-damping-coefficient sound-insulation resin layer B, a heat-insulation composite resin layer C, a high-damping-coefficient sound-insulation resin layer B and a common PVB resin layer A are prepared into the high-heat-insulation sound-insulation type PVB intermediate film in sequence by adopting a five-layer composite co-extrusion process, a multi-layer structure is adopted, and particularly, the high-damping-coefficient sound-insulation resin layer B is used, so that the propagation of sound waves can be effectively reduced, and the sound-insulation performance of the PVB intermediate film is improved. The large skylight of the automobile can effectively isolate external noise and improve the riding comfort in the automobile during high-speed driving or urban traffic, vanadium dioxide and graphene are compounded through the C-layer heat insulation composite resin, graphene has a large specific surface area, the dispersity of vanadium dioxide can be improved, and the heat insulation performance of the automobile is improved. Vanadium dioxide can improve the reflectivity of near-infrared light when the environment temperature rises.
Owner:ANHUI YINIAN SEMICON CO LTD

Glass mold cooling rate closed-loop control method and system

The invention provides a closed-loop control method and system for the cooling rate of a glass mold. According to the method, the infrared thermogram data of the surface of the glass mold are collected, and the internal temperature conduction data are obtained; then, in combination with the cooling rate diagram and the temperature data, a heat conduction compensation area is divided according to the three-dimensional geometrical characteristics of the mold, and a heat compensation coefficient is determined; thirdly, fusing all data, executing space-time three-dimensional processing to generate a dynamic thermal field model, and identifying and quantifying a hot spot region with uneven cooling; meanwhile, the phase change critical point of the glass material is detected in real time to generate a phase change correction factor. And finally, predicting a cooling rate deviation trend in combination with the hot spot quantitative index and the phase change factor, generating a prediction deviation value, and adjusting the rotating speed of a corresponding fan in a grading manner, so as to form regional closed-loop control. According to the invention, precise regionalization closed-loop control of the cooling rate of the glass mold is realized, the problem of non-uniform hot spots can be effectively eliminated, and the cooling process is optimized.
Owner:QUZHOU OUCHEN GLASS CO LTD

High-strength and high-transparency nano microcrystalline glass as well as preparation method and application thereof

PendingCN120957954AHigh fractureCordierite
The invention relates to high-strength and high-transparency nano glass ceramic and a preparation method and application thereof, and the high-strength and high-transparency nano glass ceramic is prepared from a synthetic aluminum-rich feldspar ceramic glass material, a beta-spodumene material, a cordierite material, a synthetic beta-dicalcium silicate material and a magnesium aluminate spinel material. According to the present invention, a stable-structure feldspar matrix glass is adopted as a main body precursor mineral material, zirconia micro-powder with a particle size of less than 10 nm is adopted as a nucleation agent and a micro-crack damping pinning agent, nanometer microcrystals with a particle size of less than 100 nm are controlled to be generated in a glass body formed after melting, and the nanometer microcrystals account for 50-95% by volume; the high-strength and high-transparency nanocrystalline glass with a uniform microstructure is formed and woven with matrix glass in a symbiotic manner. The prepared nano microcrystalline glass has the advantages of high hardness, high fracture toughness resistance and high light transmittance, and is suitable for manufacturing various optical glass.
Owner:HUNAN JINGCI NEW MATERIALS CO LTD

Multilayer substrate

The present invention addresses the problem of providing a multilayer substrate that can prevent the occurrence of cracks even when members provided in upper and lower layers have differing thermal expansion coefficients. Provided as a solution is a multilayer substrate (10) in which plurality of insulation layers (12) that each include at least a glass material are laminated, wherein, as a requirement, at least two of the plurality of insulation layers (12) have thermal expansion coefficients that differ from each other.
Owner:FUJITSU INTERCONNECT TECH LTD

Ultra-wide-angle camera lens suitable for vehicle-mounted OMS system

The invention relates to an ultra wide angle pick-up lens suitable for a vehicle-mounted OMS system, an optical system of the lens is composed of a first lens, a second lens, a diaphragm, a third lens, a fourth lens and a fifth lens which are sequentially arranged from left to right along a light incident light path, the first lens is a meniscus concave negative lens, the second lens is a meniscus concave negative lens, and the diaphragm is a meniscus concave negative lens. The third lens is a biconvex positive lens, the fourth lens is a biconvex positive lens, the fifth lens is a meniscus concave negative lens, the fourth lens and the fifth lens form an achromatic doublet lens, the first lens and the third lens are both made of glass materials and are spherical lenses, and the second lens, the fourth lens and the fifth lens are all plastic aspheric lenses. By adopting the glass-plastic mixed optical structure of the two glass spherical lenses and the three plastic aspheric lenses, the advantage of aberration correction of the aspheric lenses is brought into full play, high-definition imaging is met, the lens outer diameter is smaller, the optical total length is shorter, and miniaturization of the lens is ensured.
Owner:FUJIAN FUGUANG TIANTONG OPTICS

Dust interference prevention data correction equipment and correction method for tunnel flatness monitoring

The invention belongs to the technical field of tunnel monitoring, and particularly relates to dust interference prevention data correction equipment for tunnel flatness monitoring and a correction method, the dust interference prevention data correction equipment comprises an arched electric slide rail, the surface of the arched electric slide rail is slidably connected with a slide block, one side of the slide block is provided with an auxiliary mechanism, and the auxiliary mechanism comprises symmetrically arranged support frames. According to the correction equipment and method, the influence of external vibration on the high-precision laser scanner can be reduced by arranging a double-layer structure of the anti-interference mechanism, the protection tube and the isolation tube, the protection cover made of an optical-grade sapphire glass material has high light transmittance and anti-scratching performance, and the dust adhesion rate can be reduced by a surface nano coating; the high-pressure air pump isolates external dust through an annular air curtain formed by the air inlet pipe and the air inlet groove by means of airflow with the speed higher than that of air in the tunnel, the external dust is prevented from entering a scanning area, interference of dust, water vapor and other impurities on a scanning light path is reduced from the source, and the definition of original data obtained by the laser scanner in the complex tunnel environment is guaranteed.
Owner:CCCC SECOND HIGHWAY ENG CO LTD

Integrated circuit packages including a glass-core substrate

Disclosed herein are microelectronic assemblies and related devices and methods. In some embodiments, a microelectronic assembly may include a first layer having a first dielectric, a third dielectric, and a first glass portion between the first dielectric and the third dielectric; a second layer having a second dielectric, a fourth dielectric, and a second glass portion between the second dielectric and the fourth dielectric; and a third layer between the first layer and the second layer, the third layer having a bulk glass material, and wherein the first layer physically couples to a first surface of the third layer and the second layer physically couples to a second surface of the third layer.
Owner:INTEL CORP

Integrated two-dimensional fiber array module

ActiveCN224500975ULaser processingFiber array
The utility model discloses an integrated two -dimensional optical fiber array module, include: fixed base, be equipped with the assembly recess on the fixed base, the optical fiber fixed base piece of card embedding fixed in the assembly recess, the optical fiber fixed base piece is made by glass material and adopts laser processing, be equipped with a plurality of through arrangement and array distribution's optical fiber fixed hole on the optical fiber fixed base piece, and the one side of optical fiber fixed hole is equipped with the guide mouth, and, optical fiber group, optical fiber group includes a plurality of optical fiber bundles, and the front end of optical fiber bundle is from the guide mouth and enters the optical fiber fixed hole, and fills with the glue solid layer in the guide mouth and the optical fiber fixed hole to fix optical fiber bundle, by adopting the optical fiber fixed base piece made of glass material to replace the multilayer single crystal silicon base piece, on one hand manufacturing cost project, and the processing assembly process is simpler, and thus production efficiency is higher, on the other hand can eliminate multilayer single crystal silicon base piece after assembling and appear corresponding precision error, has improved the optical fiber direction precision.
Owner:SUZHOU GULAI OPTICAL TECH CO LTD

Electrical equipment for glassmaking furnaces

To provide an at least partially electric glass furnace suitable for melting vitrifiable materials. [Solution] The present invention relates to an at least partially electric glass furnace (1), comprising a melting tank (2) made of refractory material suitable for containing a bath (3) of molten vitrifiable material, and a plurality of electrodes (An, Bn, Cn, Dn) supplied with alternating current by an electrical installation (4) for heating the bath (3), the electrical installation (4) comprising at least one transformer (6) adapted to generate a plurality of single-phase output groups having a phase difference between each output group, each output being connected to at least one of the electrodes (An, Bn, Cn, Dn) by a single-phase conductor (7) for generating a first magnetic field (B1), and including a device arranged in the first magnetic field capable of generating a counter magnetic field.
Owner:ISOVER SAINT GOBAIN SA

Glass material and optical fiber

Provided is a glass material, wherein the full width at half maximum of a first diffraction peak in an X-ray scattering spectrum is 5.9 nm-1 or less. In this glass material, the network structure of glass is less disordered regardless of the number of ring members in the main ring structure.
Owner:SUMITOMO ELECTRIC INDUSTRIES LTD

Reference glass materials with increased lithium content for direct elemental analyses and method of their preparation

Reference materials with increased lithium content for direct elemental analyses, wherein the glass contains 55 to 75 wt.% SiO2, 7 to 15 wt.% Na2O, 6 to 15 wt.% CaO, up to 3.5 wt.% AI2O3, up to 3.5 wt.% K2O, and up to 12 wt.% Li2O, and the value of the relative standard deviation (RSD) of homogeneous element distribution in the glass, determined by inductively coupled plasma mass spectrometry combined with laser ablation (LA-ICP-MS), is less than or equal to 5%.
Owner:TRENCIANSKA UNIVERZITA ALEXANDRA DUBCEKA V TRENCINE