694 results about "Borosilicate glass" patented technology

The invention relates to a manufacturing method of a solar cell and the solar cell, the back surface of the solar cell is provided with a first region and a second region, and a second electrode of the solar cell is arranged in the second region; the manufacturing method of the solar cell comprises the following steps: texturing a cell piece; carrying out boron diffusion on the battery piece; performing laser etching on the first region; the first area is subjected to groove type cleaning; and carrying out chain type cleaning on the second area. In the invention, the back surface of the battery piece is selectively etched through laser to remove the borosilicate glass layer in the first area and reserve the borosilicate glass layer in the second area, so that the first area of the battery piece is cleaned and polished in the subsequent preparation steps; the borosilicate glass layer of the second region protects the textured structure of the second region in the subsequent preparation step, so that the tunneling dielectric layer and the doped conductive layer in the second region also have textured structures, thereby increasing the contact area between the second electrode and the doped conductive layer, and improving the photoelectric conversion efficiency of the solar cell.

A change of state of weed seeds to having reduced germination viability in under one minute by illuminating a seed with at least one of 2 J / cm2 cumulative illumination energy, and 0.2 W / cm2 irradiance, but no more than 7 W / cm2 average irradiance, of at least one of an Indigo Region Illumination Distribution (IRID), and infrared radiation that is substantially Medium Wavelength Infrared (MWIR) radiation, preferably 2-8 microns. The MWIR radiation from heated borosilicate glass or glass powder at just under 500 C offered a peak MWIR emission of 3.75 microns was unexpectedly effective, and can be used in a radiant and transmissive weed seed accumulator transport belt. The process can be incorporated into a harvester combine to convert a tailings flow prior to discharge on an agricultural field. An illuminated harvest combine using an illuminator according to the invention allows reduction of the weed seed bank.

The present invention provides a preparation method for a selective emitter, a solar cell and a preparation method therefor, and a photovoltaic module. The preparation method for a selective emitter comprises the following steps: (1) cleaning an N-type silicon wafer; (2) performing boron diffusion on the silicon wafer, and forming a P layer on the surface of the silicon wafer; (3) using laser to dope a gate line area of the silicon wafer; (4) cleaning to remove a borosilicate glass layer and the P layer on the surface of the silicon wafer; and (5) performing high-temperature treatment on the silicon wafer, forming a selective emitter on one surface of the silicon wafer, and forming a tunneling layer on the other surface of the silicon wafer. According to the preparation method provided by the present invention, by means of one-step oxidation, the selective emitter is formed on one surface of the silicon wafer, and the tunneling layer is formed on the other surface of the silicon wafer, such that there is no need to independently prepare the tunneling layer, thereby simplifying the preparation process flow of a cell, improving the processing efficiency of the cell, and facilitating large-scale promotion and application.

The invention discloses a preparation method of a solar cell, which belongs to the technical field of solar cells and comprises the following steps of: selecting an N-type silicon substrate and performing double-sided texturing; performing boron diffusion doping on the front surface of the silicon substrate to form a P + doping layer and a borosilicate glass layer on the front surface, and forming a borosilicate glass layer on the back surface; removing the borosilicate glass layer on the back surface of the N-type silicon substrate, and carrying out alkali washing and polishing on the back surface of the N-type silicon substrate; forming a polycrystalline silicon layer and a polycrystalline silicon layer on the back and the front of the substrate; performing phosphorus diffusion on the polycrystalline silicon layer on the substrate; removing the phosphorosilicate glass layer on the front side, the borosilicate glass layer, the N + polycrystalline silicon layer and the borosilicate glass layer and the phosphorosilicate glass layer on the back side; depositing a front passivation layer and a front antireflection layer on the P + doping layer on the front of the substrate; electrode printing sintering is carried out on the front and back of the substrate; the reverse bias voltage applied by the first LECO process is 3-10V, and the reverse bias voltage applied by the second LECO process is 11-20V. And the black edge problem caused by overburning is reduced by increasing the LECO for the second time.

The embodiment of the invention relates to the photovoltaic field, and provides a back contact cell and a processing method thereof, a back contact laminated cell and a photovoltaic module, and the processing method comprises the step of texturing a substrate. And carrying out boron diffusion on the substrate to form a boron-doped layer and a borosilicate glass layer on the surface of the substrate. And performing laser etching on the first region and the second region of the substrate, and removing the boron-doped layer, the borosilicate glass layer and part of the substrate in the first region and the second region. And carrying out phosphorus expansion on the substrate, and forming a polycrystalline silicon layer and a phosphorosilicate glass layer on the surface of the substrate. And performing laser etching on the substrate to remove the phosphorosilicate glass layers in the second area and the third area. And texturing the substrate and removing the phosphorosilicate glass layer in the first region and the polycrystalline silicon layers in the second region and the third region to form a textured surface in the second region. And forming a passivation layer on the substrate. Electrode paste is printed in the first area and the third area and sintered. And sintering the back surface of the substrate. The design can improve the double-sided rate and the efficiency of the back contact battery.

The invention relates to blue high borosilicate glass and a preparation method thereof, and belongs to the technical field of glass manufacturing, and the blue high borosilicate glass comprises the following raw materials in parts by weight: 50-60 parts of silicon dioxide, 10-15 parts of boron oxide, 2-3 parts of aluminum oxide, 6-8 parts of alkali metal oxide, 3-4 parts of a compound clarifying agent and 1-3 parts of a modified coloring agent. According to the technical scheme, the cobalt blue pigment is coated with mesoporous silica, and the composite material is obtained; combining the composite material with a silane coupling agent to obtain a silanized composite material; combining the silanized composite material with boric acid ester to obtain a modified coloring agent; the prepared modified coloring agent enables the high borosilicate glass to have remarkable blue color and to be stable in color and not prone to volatilization under high-temperature and high-pressure conditions, the added composite clarifying agent is formed by mixing cerium dioxide, sodium sulfate and tin oxide, the clarity of the glass is improved, volatilization of boron is effectively reduced, and the service life of the glass is prolonged. The mechanical property and the stability of the high borosilicate glass are generally improved, and the quality of the glass is improved.

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.

The application discloses a kind of ship super-long anticorrosion special nano powder coating, preparation method and application, belong to ship heavy anticorrosion material technical field.The preparation method of the ship super-long anticorrosion special nano powder coating is as follows: epoxy resin, graphene modified epoxy resin, core-shell structure ZnO@SiO2, modified 2,5-dimercapto-1,3,4-thiadiazole, borosilicate glass powder, flaky boron nitride, silane coupling agent modified silica, phenolic amine curing agent, 2-ethyl-4-methylimidazole, fumed silica, defoaming agent, ultraviolet absorber, high-temperature pigment are put into stirrer and stirred for 20-30min, then melt extrusion is carried out through double screw extruder, the extrusion temperature is 90-110 DEG C, grinds and sieves, and the ship super-long anticorrosion special nano powder coating is obtained.The coating prepared by the application has good anticorrosion performance and can be applied in the field of ship metal surface corrosion protection.

The invention relates to a TBC solar cell and a preparation method thereof. The preparation method comprises the following steps: carrying out primary double-sided polishing; forming a first tunneling oxide layer and a boron-doped polycrystalline silicon layer on two sides; performing first laser patterning on the back surface, and removing the borosilicate glass layers in the N region and the isolation region; performing double-sided polishing for the second time to remove the first tunneling oxide layer and the boron-doped polycrystalline silicon layer of the N region and the isolation region; forming a second tunneling oxide layer and a phosphorus-doped polycrystalline silicon layer on two sides; performing secondary laser patterning on the back surface, and removing the phosphorosilicate glass layers in the P region and the isolation region; performing wet etching on the front surface to remove all layers on the front surface, and removing a side surface winding plating layer; performing double-sided texturing, corroding a P region to a boron-doped polycrystalline silicon layer, corroding an N region to a phosphorus-doped polycrystalline silicon layer, corroding an isolation region to a silicon wafer, and forming a textured surface on the isolation region on the back surface of the silicon wafer and the front surface of the silicon wafer; depositing a passivation layer and an antireflection layer on two sides; and preparing a positive electrode in the back P region and preparing a negative electrode in the N region. The preparation method is simple in process and convenient to operate, and the conversion efficiency of the battery can be improved.

The invention provides a high-voltage low-loss dielectric material and a preparation method thereof, and relates to the technical field of high-voltage ceramic capacitors, and the high-voltage low-loss dielectric material comprises the following raw materials in parts by mass: 35-38 parts of barium titanate, 20-29.5 parts of strontium titanate, 15-17.5 parts of titanium dioxide, 9-12 parts of bismuth oxide, 3-4 parts of zirconium oxide, 0.8-1.0 part of X, 1.2-1.4 parts of antimony oxide, 1-1.2 parts of calcium carbonate and the like. The preparation method of the dielectric material comprises the following steps: 1, preparing the dielectric material; melting calcium carbonate, magnesium oxide, zinc oxide and the like, performing water quenching, and performing ball-milling granulation to obtain zinc borosilicate glass powder; uniformly mixing the zinc borosilicate glass powder with barium titanate, strontium titanate, titanium dioxide and the like, and granulating to obtain oxide powder; and tabletting and sintering the oxide powder to obtain the high-pressure low-loss dielectric material. The high-voltage low-loss dielectric material is high in dielectric constant, small in dielectric loss, high in compression strength and good in high-temperature stability, and the preparation method is simple.

A multilayer ceramic electronic component that includes: a ceramic layer that contains a Ba—Nd—Ti oxide, forsterite, barium borosilicate glass, and MnO; and an electrode in contact with the ceramic layer, wherein the ceramic layer includes a Nd uneven distribution portion where Nd is unevenly distributed at an interface where the ceramic layer is in contact with the electrode.

The invention relates to aluminum borosilicate glass with low dielectric constant and low dielectric loss and a preparation method and application thereof, and relates to the field of aluminum borosilicate glass manufacturing, the aluminum borosilicate glass comprises the following main components by molar percentage: 60%-85% of SiO2, 0-10% of Al2O3, 2%-30% of B2O3, 0-20% of alkaline earth oxide, 0-10% of alkali metal oxide, 0-10% of ZnO, 0-1% of P2O5 and 0-2% of TiO2 and / or ZrO2; during preparation, the raw materials are melted, clarified and homogenized according to the corresponding dosage, and then are annealed for 3-8 hours at the temperature of 600-650 DEG C. The obtained aluminum borosilicate glass can reduce transmission loss during high-frequency signal transmission, has dielectric constant stability which does not exceed + / -0.5 change under a 1-30 GHz signal test, and can be applied to preparation of integrated antennas, electronic packaging and micro electro mechanical system packaging.

The invention discloses high borosilicate optical lens glass and a preparation process thereof, and relates to the technical field of glass surface treatment.The preparation process of the high borosilicate optical lens glass comprises the following steps that raw materials are mixed, melted, formed and subjected to heat treatment, and the high borosilicate glass is obtained; and carrying out etching and sol coating to form an antireflection layer so as to obtain the optical lens glass. The preparation method comprises the following steps: preparing an antireflection layer on the surface of high borosilicate glass through etching and sol coating, during sol coating, firstly loading fluorine-containing POSS on the surface of the glass by utilizing hydrosilane to form a POSS modified layer, then preparing hollow silicon dioxide sol by taking a polymer of polyvinylpyrrolidone and fluorine-containing POSS as a template, and curing after coating to form a composite structure. The surface refractive index of the glass is greatly reduced, light reflection can be reduced, the light transmittance and definition of the glass are improved, and the visual experience is more comfortable and natural.

The invention discloses metallized silver paste for improving sintering dusting of a TOPCon battery, a preparation method and application, and belongs to the technical field of solar battery manufacturing, and the technical scheme is that the metallized silver paste comprises the following components in percentage by mass: 72-87% of a metal phase; 3-9% of a glass phase; 8-12% of an organic carrier; 0.1%-0.5% of a polyimide precursor; 0.1 to 0.5 percent of cerium oxide; wherein the polyimide precursor forms a cross-linked network at a high temperature, the cerium oxide is used as a passivation layer protective agent, and lithium borosilicate glass is also added into the glass phase; according to the metalized silver paste for improving the sintering dusting of the TOPCon cell, the preparation method and the application, the dusting rate is reduced by improving and optimizing materials and process parameters, and compared with a traditional process, the efficiency, the photoelectric conversion efficiency and the yield of the solar cell are further improved.

The invention provides a diphenhydramine hydrochloride injection and a preparation method thereof. According to the preparation method, the diphenhydramine hydrochloride injection with stable pH value, stable chemical property and sterility assurance level SAL less than or equal to 10 <-6 > can be obtained by controlling the material of a liquid medicine pipeline and the water resistance of a medium borosilicate glass ampoule. The diphenhydramine hydrochloride injection does not contain preservatives and cannot generate safety risks.

The invention relates to a preparation method of a TOPCon battery, which comprises the following steps of: performing double-sided texturing on an N-type silicon substrate, and performing boron diffusion on the textured surface on the front surface to form a P + emitter layer and a borosilicate glass layer; polishing the back surface, and printing a mask layer on a non-metallization area on the polished surface; sequentially depositing a tunneling oxide layer and a phosphorus-doped polycrystalline silicon layer on the back surface of the N-type silicon substrate; scanning the non-metallization area on the back surface by using laser, and removing the phosphorosilicate glass layer, the phosphorus-doped polycrystalline silicon layer and the tunneling oxide layer on the surface by using alkali liquor; removing the borosilicate glass layer and the phosphorosilicate glass layer on the front surface of the N-type silicon substrate, the phosphorosilicate glass layer on the back surface of the N-type silicon substrate and the tunneling oxide layer and the mask layer remained in the non-metallization area; depositing an aluminum oxide layer and a silicon nitride layer on the front surface and the back surface of the N-type silicon substrate; and respectively printing metal electrodes on the metalized areas on the front surface and the back surface of the N-type silicon substrate to obtain the TOPCon battery. The invention has the effects of reducing the possibility that the N-type silicon substrate is damaged and improving the overall efficiency of the battery.

The invention discloses a boron diffusion method of a solar cell and the solar cell. The boron diffusion method comprises the following steps: forming a boron-doped layer for a cell substrate in an oxidation furnace tube to obtain a primarily-doped boron substrate, the boron-doped layer comprising a deep-junction boron diffusion layer and a borosilicate glass layer which are laminated from inside to outside; taking out the primarily-doped boron matrix from the oxidation furnace tube, and cooling the primarily-doped boron matrix until the cooled temperature is not higher than 200 DEG C; putting the cooled primarily-doped boron substrate into the preheated oxidation furnace tube again, and heating the primarily-doped boron substrate in an oxygen-free environment to activate non-active boron atoms in the boron-doped layer; and carrying out oxidation source absorption treatment on the deep-junction boron diffusion layer in the primarily-doped boron substrate, and redistributing boron atoms in the deep-junction boron diffusion layer. According to the boron diffusion method, the amount of active boron atoms contained in the surface of the deep-junction boron diffusion layer of the solar cell is increased, the boron doping concentration peak value in the deep-junction boron diffusion layer is reduced, the boron doping concentration distribution is relatively uniform, and the contact resistance between the metal electrode and the deep-junction boron diffusion layer is reduced.

The invention discloses a novel Topcon solar cell double-sided rate improvement method, which belongs to the field of Topcon cells, and comprises the following steps: selecting an N-type silicon substrate and carrying out double-sided texturing to obtain a textured silicon wafer; performing boron diffusion on the front surface of the textured silicon wafer to form a P + doping layer and a borosilicate glass layer; removing the borosilicate glass layer on the front surface of the silicon wafer after boron diffusion and the doped layer expanded on the back surface and the edge of the silicon wafer; a first tunneling oxide layer is formed on the surface of the silicon wafer substrate, and three doped polycrystalline silicon layers with different densities are deposited and formed without deposition pressure; performing low-pressure oxidation to form a silicon dioxide masking film, and then performing phosphorus diffusion segmented propulsion to obtain an initial battery piece; removing the wound-plated polycrystalline silicon on the front surface and the edge of the primary battery piece; printing silver aluminum paste, printing silver paste on the back surface, drying and sintering, and then carrying out light injection treatment. The double-sided rate of the Topcon battery is improved through the cooperation of the steps of controlling the alkali polishing process time, reducing the size of a back tower footing after alkali polishing, reducing the number of silk-screen printing grid lines, reducing the width of the grid lines and the like.

The invention relates to the technical field of glass, in particular to an alkali-free aluminoborosilicate glass composite clarifying agent and a clarifying method thereof. The alkali-free aluminoborosilicate glass composite clarifying agent is prepared from the following raw materials in percentage by mass on the basis of the total mass of alkali-free aluminoborosilicate glass: 0.4 to 5.5 percent of halogen alkaline earth metal salt, 0.03 to 0.4 percent of lanthanum oxide, 0.01 to 0.4 percent of tin dioxide and 0.01 to 0.3 percent of cerium dioxide. The alkali-free aluminoborosilicate glass composite clarifying agent is applied to alkali-free aluminoborosilicate glass, and the problems that the alkali-free aluminoborosilicate glass is poor in clarifying effect and has many bubble defects are solved; the corrosion of high-temperature molten glass to refractory materials at parts such as a tank furnace and the like is reduced, so that the number of stone defects of the refractory materials in the glass is reduced, and the service life of the refractory materials of the furnace is prolonged.

A method of manufacture for creating an NDE test specimen with predictably located one or more flaws according to a digital flaw map and of a material having an angle of refraction matching industrial workpieces for testing and training is disclosed. Comprising selecting a workpiece material for the NDE test specimen having a substantially similar angle of refraction to industrial workpieces, fabricating the NDE test specimen from the workpiece material, executing a CAD software on one or more processors of a controller computer, reading the digital flaw map comprising coordinates of the one or more flaws to be applied to the NDE test specimen, controlling a high energy beam CNC to apply the digital flaw map to the NDE test specimen, selecting the workpiece material among crystal, borosilicate glass, and acrylic, applying a laser beam at a plurality of energy points within the NDE test specimen.

The present invention provides a laser protection glass applicable to dual wavelengths of 0.53 μm and 1.06 μm and a preparation method thereof, belonging to the technical field of preparation of protection glass. The laser protection glass is borosilicate glass, comprising the following components: SiO2 35-47%, Al2O3 1-3%, B2O3 9-13 wt%, Na2O 7-10 wt%, CaO 3-5 wt%, ZnO 3-4 wt%, ZrO2 0.5-1.5 wt%, Er2O3 8-20 wt%, Sm2O3 9-16 wt%. The present invention also provides a preparation method of the laser protection glass applicable to dual wavelengths of 0.53 μm and 1.06 μm. By optimizing the glass components and the melting and annealing processes, the present invention reduces the cracking of the glass generated in the heat treatment process and realizes the protection effect of the glass material at 0.53 μm and 1.06 μm.

The utility model discloses a borosilicate glass laser-beam drilling machine, which relates to the technical field of borosilicate glass processing and comprises a base. The bottom of the bottom plate is fixedly connected with the top of the base; the bottom of the positioning assembly is fixedly connected with the top of the bottom plate, and the positioning assembly is used for positioning borosilicate glass; the outer side of the fixing assembly is fixedly connected with the inner side of the positioning assembly, and the fixing assembly is used for fixing borosilicate glass; the bottom of the shell is fixedly connected with the two sides of the bottom plate; and the top of the laser drilling machine body is fixedly connected with the top of the inner cavity of the shell. According to the device, the fixing assembly is arranged, so that glass is conveniently fixed, the working efficiency is improved, the positioning assembly is arranged, the position of the glass is adjusted, the glass does not need to be disassembled and reinstalled, and the glass punching position is conveniently changed.

The invention discloses a preparation method of a TBC battery electrode grid line, the electrode grid line and a TBC battery, and belongs to the technical field of solar cells, and the preparation method comprises the following steps: carrying out double-sided polishing on a silicon wafer; sequentially depositing a tunneling oxide layer and an intrinsic polycrystalline silicon layer on the back surface of the silicon wafer, and performing boron diffusion; digging an N region and a PN connection partition region on the back surface of the silicon wafer; sequentially depositing a tunneling oxide layer and an intrinsic polycrystalline silicon layer on the back surface of the silicon wafer, and performing phosphorus diffusion on the basis of the tunneling oxide layer and the intrinsic polycrystalline silicon layer; digging a P region and a GAP region on the back surface of the silicon wafer, and digging a hole channel by using a second laser; removing the borosilicate glass layer and the phosphorosilicate glass layer in the pore channel area; sequentially depositing an aluminum oxide layer and a silicon nitride layer on the surface of the silicon wafer; printing non-burn-through slurry in the main grid areas of the P area and the N area through the silk screen printing plate; and carrying out laser-assisted sintering on the auxiliary grid line pore channel region. The completeness of a passivation film layer structure on the back surface of the battery piece is ensured, meanwhile, the contact area of a metal electrode and a silicon substrate is reduced, and metal contact recombination is effectively reduced.

The invention discloses rare earth co-doped alkali-free aluminum borosilicate glass and application, and the rare earth co-doped alkali-free aluminum borosilicate glass comprises the following components in percentage by mole: 68.85-69.60% of SiO2; 13.50%-14.15% of Al2O3 (aluminum oxide); 1.50 to 1.70 percent of B2O3 (boron trioxide); 4.45% to 4.60% of MgO; 5.45% to 5.80% of CaO; 1.20% to 1.80% of SrO; 0.50 to 2.80 percent of La2O3 (La2O3); 0.70% to 3.00% of Y2O3; and 0.10%-0.30% of SnO2. The rare earth co-doped alkali-free aluminum borosilicate glass has a high strain point, a low melting temperature, a low thermal expansion coefficient and a high elastic modulus, production energy consumption is reduced as much as possible under the condition that various properties are improved, and the production and manufacturing requirements of OLED display panels are met.

The present invention relates to the technical field of high-borosilicate glass production, and in particular to a detection device for high-borosilicate glass production. The high-borosilicate glass to be detected is transmitted through a feeding conveyor belt to the side of a detection roller and the high-borosilicate glass is aligned and transported into a clamping groove. Then the detection roller rotates to sequentially transport the high-borosilicate glass to the upper end close to the top wall of a detection box. Then the detection screw rotates to drive a knocking ball to perform knocking detection on the high-borosilicate glass. If the high-borosilicate glass is broken, the fallen fragments fall onto a recovery conveyor belt and are taken out of the detection box. The fragments remaining on the clamping groove rotate to the lower end and fall onto the recovery conveyor belt and are taken out of the detection box. The unbroken high-borosilicate glass rotates to the side of a discharging plate and presses the pressing plate. The discharging roller clamps the complete high-borosilicate glass, and clamps and transmits the clamped high-borosilicate glass to the discharging conveyor belt and is taken out of the detection box. No manual processing is required, which avoids the safety threat posed to operators by the generated debris, and greatly improves the safety of the detection.

The invention relates to an electronic component material technology, and aims to provide an LTCC (Low Temperature Co-Fired Ceramic) material with low dielectric constant and low dielectric loss and a preparation method thereof. The LTCC material is prepared from zinc borosilicate glass and zinc borosilicate microcrystalline glass with different softening point ranges, a ceramic filler, silicate and a metal oxide through ball milling, mixing, modeling and sintering, and the material contains Zn2SiO4 with a devitrified phase. According to the invention, two kinds of zinc borosilicate glass with different softening points are adopted as cooling assistants, and a devitrified phase Zn2SiO4 is generated through reaction in the sintering process, so that the problem of large dielectric loss of a composite system caused by more glass phases can be effectively improved; by flexibly regulating and controlling the content of each component and the components of the auxiliary materials, the sintering characteristics of the glass internal component regulation and control material are optimized, and the success rate of matching and co-firing of the material and silver is further improved; meanwhile, the sintering window is relatively wide, so that good quality stability of the product is favorably kept; the dielectric loss of the composite system is reduced by doping the nucleating agent, and the volume shrinkage process of the material is regulated and controlled.

The utility model discloses a lighter using a porous glass oil twist, which comprises a base and an upper cover, a fuel bin used for containing liquid fuel is arranged in the base, the oil twist is arranged in the fuel bin, a through hole corresponding to the oil twist is arranged at the upper end of the base, the upper end of the oil twist extends out of the upper portion of the base through the through hole, and the oil twist comprises a strip-shaped base body made of glass materials. A plurality of micron-sized hole channels are densely formed in the base body in the extending direction of the base body in a penetrating mode, and fuel in the fuel bin rises to the upper end of the oil twist through the hole channels; an ignition mechanism is arranged at the upper end of the base and located beside the upper end of the oil twist. Therefore, the oil twist made of quartz glass or high borosilicate glass is installed on the base to form the lighter, the oil twist is provided with a plurality of micron-sized pore channels and has high temperature resistance and good durability, and the pore channel pore diameter, porosity, outer diameter, length and the like of the oil twist can be designed according to actual application requirements so as to meet the requirement for conveying flow of various kinds of fuel. The application range is wide.

The invention belongs to the field of high-temperature anti-oxidation coatings, and particularly relates to a preparation method of an Hf-Ta-Si-B-O self-healing anti-oxidation bionic glass film. According to the invention, a layer of complex-phase glass powder composed of silica sol, borosilicate glass powder, nano HfO2 powder and nano Ta2O5 powder is coated on the surface of a ceramic matrix, and a layer of Hf-Ta-Si-B-O bionic glass film is formed after'drainage drying-heat treatment-wide temperature range heat treatment '. According to the method, the problems that the silicon-based ceramic is damaged due to oxidation, the self-generated film effect is poor due to high-temperature severe oxidation, and the self-healing and repairing capacity is weak can be effectively solved; meanwhile, high-temperature refractory oxides are uniformly dispersed in the glass film, so that the high-temperature stability of the glass film is ensured, and the oxidation resistance of the silicon-based ceramic is effectively improved. The preparation method disclosed by the invention is simple to operate, the cost is saved, and the prepared Hf-Ta-Si-B-O bionic glass membrane is well combined with a ceramic matrix.

The invention relates to borosilicate glass, a preparation method thereof and electronic equipment. The borosilicate glass is prepared from the following components in percentage by mass: 55 percent to 65 percent of SiO2, 9 percent to 17 percent of B2O3, 8 percent to 18 percent of Al2O3, 1 percent to 5 percent of MgO, 3 percent to 8 percent of CaO, 2 percent to 5 percent of SrO, 0 to 3 percent of BaO, 0 to 3 percent of ZnO, 0.1 percent to 1.0 percent of TiO2 and 0.01 percent to 0.3 percent of Nb2O5. Wherein a is equal to (SiO2 + Al2O3 + B2O3) / B2O3, and a is more than 4.7 and less than 10; each oxide in the formula represents the mass percent of the oxide in the borosilicate glass. The alkali borosilicate glass has relatively high elastic modulus and low dielectric property, and meets the application requirements of products when being applied to preparation of electronic equipment.

The invention belongs to the technical field of glass production, and particularly relates to heat-resistant high borosilicate glass circulating production equipment which comprises a rack, a conveying belt is arranged on the rack, and a production pretreatment mechanism is further arranged on the rack; the production pretreatment mechanism comprises a second sliding rod fixedly connected to one side of the rack, the second sliding rod is slidably connected with a limiting plate, a sliding rail rod is fixedly connected to one side of the upper end of the rack, a third baffle is fixedly connected to the left end of the sliding rail rod, and a plurality of partition plates are transversely arranged at equal intervals and slidably connected to the sliding rail rod. Threaded blocks are slidably connected to the two ends of one side of the partition plate. By utilizing the production pretreatment mechanism, a plurality of glass cups stacked in disorder can be changed into a tidy arrangement state on the conveying belt and move along with the conveying belt, so that the glass cups are sequentially subjected to a plurality of production processes, the situation that the directions need to be adjusted firstly in subsequent processing due to the fact that the glass cups are stacked in disorder is avoided, the production process is more convenient, and the production efficiency is improved. And the processing efficiency can be improved.