24 results about "Fritted glass" patented technology

The invention provides core-shell structure reinforced white carbon black / graphene oxide hybridized glass-lined porcelain glaze and a preparation method thereof. The porcelain glaze is composed of a basic glaze material and a core-shell structure hybrid reinforcement phase dispersed in the basic glaze material, the reinforcement phase takes white carbon black as a core and zirconium oxide as a shell, and a three-dimensional hybrid network formed by KH-560 grafted cellulose nanocrystals or carbon nanotubes and graphene oxide is constructed between the core and the shell. The preparation method mainly comprises the following steps: carrying out pre-dispersion and in-situ hybridization on the white carbon black, the graphene oxide and the one-dimensional nanofibers through a silane coupling agent; constructing a three-dimensional network under a catalytic condition by using a sol-gel method; a stable core-shell structure is formed through a deposition reaction of zirconium sol; finally, the obtained composite slurry is compounded with basic glaze with specific components, rapid densification is achieved through microwave sintering, and the product is particularly suitable for chemical reaction kettle glass lining with strict requirements for corrosion resistance and impact resistance.

Disclosed is a substrate 1 for a semiconductor package, which contains a glass phase and a crystal phase, and has a rectangular shape having a substrate size of 300 mm × 300 mm or larger, or a circular shape having a diameter of 300 mm or more.

The invention discloses an optical fiber with an adjustable numerical aperture and a preparation method. The optical fiber is provided with a fiber core layer, an inner cladding layer and an outer cladding layer through a sintering vitrification method. Wherein the material of the fiber core layer comprises the following components in percentage by mole: 1 to 2 percent of Al2O3, 1 to 2 percent of Yb2O3 and 96 to 98 percent of SiO2; the material of the inner cladding layer comprises the following components in percentage by mole: 4-6% of Ba0. 6Sr0. 4TiO3 and 94-96% of SiO2, and the material of the outer cladding layer is quartz glass. Compared with a traditional vapor deposition preparation method, the preparation method disclosed by the invention not only can be doped with rare earth elements with higher content, but also can be used for preparing a preform with a larger diameter, and a refractive index difference in a larger range can be obtained. Besides, by doping barium strontium titanate microcrystals in the inner cladding, the numerical aperture of the prepared optical fiber can be changed by applying an electric field, accurate adjustment of the numerical aperture can be realized, and microcrystals of different sizes can be obtained by inner cladding materials with the same components by changing an optical fiber heat treatment process. And thus, the optical fiber performance is changed.

The utility model relates to the technical field of oil level observation mirrors, and discloses a high-speed rail gear box oil level observation mirror which is characterized in that one side in a second inner groove is provided with a first composite sealing ring, the other side in the first composite sealing ring is provided with a second composite sealing ring, one side of the first composite sealing ring is connected with explosion-proof glass in an attached mode, and the other side of the first composite sealing ring is connected with a second inner groove in an attached mode. The other side of the explosion-proof glass is attached to one side of the second composite sealing ring, a third inner groove is formed in the third metal shell, and a locking ring is arranged in the third inner groove. According to the explosion-proof glass, the first metal shell and the first sintered glass are fused into a whole in the manufacturing process through sintering, the good sealing effect can be achieved when the sintered glass is arranged in the first inner groove, the edge of the explosion-proof glass is ground through a numerical control edge grinding machine before the explosion-proof glass is assembled, the surface roughness of the edge of the explosion-proof glass can be improved, and the service life of the explosion-proof glass is prolonged. Therefore, the sealing effect is further enhanced when the explosion-proof glass is assembled.

The application relates to the technical field of solar photovoltaic cells, in particular to a high-nickel conductive paste for N-type Topcon cells and a preparation method thereof, which is composed of, in mass percentage, nickel powder 40-80%, micron-level high-activity polycrystalline silver powder 5-50%, nickel powder sintering-aid glass powder 0.5-3% and organic carrier 5-12%. The nickel powder sintering-aid glass powder is low-Tg high-viscosity nickel powder sintering-aid glass powder after composition optimization; the low softening point ensures good fluxing effect; the high viscosity ensures the dispersion stability of silver-nickel particles and precisely controls the etching range, and meanwhile, the glass layer thickness after sintering is controlled in a proper range; through optimization of the nickel powder sintering-aid glass powder and the silver powder, the nickel doping amount is successfully increased to 40-80%, meanwhile, the cell efficiency is ensured to be better than or equivalent to that of pure silver paste, the reliability is good, and the paste truly has mass production capacity and value.

The present invention relates to the technical field of electrical signal sealed penetration, and discloses an electrical signal feedthrough device for detector vacuum packaging and its production process; the electrical signal feedthrough device includes a flange sealed and installed on the detector, a refrigerator interface penetrating through the flange and communicating with the refrigerator, a vacuum interface penetrating through the flange and communicating with a vacuum source, at least one mounting hole opened on the flange, and a vacuum penetration member having the same number as the mounting holes and disposed in the mounting holes; the vacuum penetration member includes a signal electrically connected metal needle, a sintered glass wrapped outside the signal electrically connected metal needle, and a metal needle fixing block disposed around the sintered glass; the metal needle fixing block is hermetically connected to the hole wall of the mounting hole; it can meet the requirements of high-precision vacuum packaging of large target surface mosaic detectors.

Embodiments of a honeycomb substrate are provided. The honeycomb substrate comprises a plurality of intersecting walls forming a plurality of channels extending through the honeycomb substrate from a first end to a second end. The honeycomb substrate comprises 40 wt% or greater sintered glass beads. The honeycomb substrate comprises a porosity of 60% or greater, and the honeycomb substrate comprises a surface area of 5 m2 / g or greater as measured according to Braunauer-Emmett-Teller methodology. Embodiments of the disclosure also relate to a method of preparing same.

The invention relates to the technical field of solar photovoltaic cells, in particular to high-nickel-content conductive paste for an N-type Topcon cell and a preparation method of the high-nickel-content conductive paste, and the high-nickel-content conductive paste comprises the following components in percentage by mass: 40-80% of nickel powder, 5-50% of micron-sized high-activity polycrystalline silver powder, 0.5-3% of nickel powder co-sintering glass powder and 5-12% of an organic carrier. Wherein the nickel powder sintering-assisted glass powder is low-Tg high-viscosity nickel powder sintering-assisted glass powder subjected to component optimization, the low softening point ensures a good fluxing effect, the high viscosity ensures the dispersion stability of silver-nickel particles, the etching range is accurately controlled, and meanwhile, the thickness of a glass layer after sintering is controlled within a proper range; according to the invention, through optimization of sintering of the nickel powder with the assistance of the glass powder and the silver powder, the nickel doping amount is successfully increased to 40-80%, meanwhile, it is ensured that the battery efficiency is superior to or equivalent to that of pure silver paste, the reliability is good, and mass production capacity and value are truly achieved.

A temperature pressure sensor comprises: a housing comprising a metal pressure interface, the pressure interface comprising a transversely extending plate and an interface pipe which is formed by integrally extending the plate towards one side of a longitudinal near end and is used for introducing a medium to be measured; the interior of the interface pipe is communicated to the surface of one side of the longitudinal far end of the plate through a pressure hole and a plurality of terminal via holes; an electronic module assembly fixed inside the housing; the pressure sensitive element is fixed at the longitudinal far end of the pressure hole in an airtight manner and is electrically connected to the electronic module assembly; the temperature sensitive component comprises a temperature sensitive element at least partially arranged in the interface tube and a plurality of terminals, one end of each terminal is connected to the temperature sensitive element, and the other end of each terminal penetrates through the terminal via hole towards one side of the longitudinal far end and then is electrically connected to the electronic module component; air tightness is formed between the terminal and the terminal via hole through sintered glass; the terminal is good in sealing effect and long in sealing life.

This application relates to a glass panel and its preparation method, comprising the following steps: screen printing a transition layer, forming a transition layer on the front side of a glass substrate by screen printing, wherein the melting temperature of the transition layer is lower than the tempering temperature of the glass substrate; transferring a gold foil decorative layer, adhering metallic decals of water-transfer printing paper to the surface of the transition layer to form a gold foil decorative layer; and tempering and sintering the glass substrate, preheating the glass substrate and then tempering and sintering the preheated glass substrate to form the glass panel. The glass panel prepared by the method of this application exhibits a realistic and excellent gold foil color effect that is not easily detached.

The invention relates to a sealing plug-in connector for an electro-static pressure servo mechanism, which is used for connecting an electric module and an electrical module of the electro-static pressure servo mechanism, and comprises a sealing socket, a plug-in plug and a guide positioning ring, a contact element mounting hole is encapsulated in the sealing socket through sintered glass, an isolation sealing structure is formed on two sides of the sealing socket through a contact element in the center of a single-hole sintered glass fixing hole, and the contact elements are arranged on the plug-in plug in the same layout mode as the sealing socket; the sealing socket and the plug-in plug are connected with the contact piece in a linear plug-in connection mode. The guiding and positioning ring is connected with the sealing socket in a matched mode, is fixed at the circumferential position, is connected with the plug-in plug in a matched mode at the same time, and plays a guiding and positioning role when the sealing socket and the plug-in plug are plugged in a matched mode.

An electronic component that comprises a laminate in which a plurality of low-temperature fired ceramic layers are laminated, wherein: the laminate is provided with a first layer that is positioned on one main surface and a second layer that is in contact with the first layer; the first layer and the second layer are formed from a low dielectric constant ceramic that contains a post-firing glass component (A1) and an oxide (C1) of a ceramic crystal component; the post-firing glass component (A1) is RO-Zno-Al2O3-B2O3-SiO2 wherein RO is at least one selected from the group consisting of MgO, CaO, SrO, and BaO; the ratio of RO, the ratio of ZnO, and the ratio of Al2O3 contained in the post-firing glass component (A1) are 0.1 mol% to 10 mol% inclusive; the sum of the ratio of RO, the ratio of ZnO, and the ratio of Al2O3 contained in the post-firing glass component (A1) is 15 mol% or less; the ratio (SiO2 / B2O3) of SiO2 and B2O3 contained in the post-firing glass component (A1) is less than 3.4; the oxide (C1) of the ceramic crystal component contains at least one selected from the group consisting of SiO2, BaAl2Si2O8, ZnAl2O4, and Zn2SiO4; and the amount of quartz contained in the first layer is smaller than the amount of quartz contained in the second layer.

A low-temperature fired ceramic that contains a fired glass component represented by RO—ZnO—Al2O3—B2O3—SiO2, wherein RO is at least one selected from the group consisting of MgO, CaO, SrO, and BaO, a percentage of RO, a percentage of ZnO, and a percentage of Al2O3 in the fired glass component are each 0.1 mol % to 10 mol %, a sum of the percentage of RO, the percentage of ZnO, and the percentage of Al2O3 in the fired glass component is 15 mol % or less, and a ratio of a percentage of SiO2 to a percentage of B2O3 (SiO2 / B2O3) in the fired glass component is less than 3.4; and one or more oxides of ceramic crystalline components that include at least one selected from the group consisting of SiO2, BaAl2Si2O8, ZnAl2O4, and Zn2SiO4.

The invention relates to the technical field of low-voltage electrics. According to the nuclear power plant primary loop low-voltage instrument control cable penetrating device and the manufacturing method thereof, a first low-voltage conductor and a flange cover are sealed through first sintered glass, and a second low-voltage conductor and a flange are sealed through second sintered glass; in the sealing process, the first low-voltage conductor, the first sintered glass and the flange cover adopt a sealing process which is completed by one step through metal pre-oxidation and sintering, and the second low-voltage conductor, the second sintered glass and the flange adopt a sealing process which is completed by one step through metal pre-oxidation and sintering; the first low-voltage conductor and the second low-voltage conductor are coaxially connected. According to the invention, a sealing process which is completed by one step through metal pre-oxidation and sintering is adopted, so that the influence of accelerated aging of a sealing material caused by high temperature, high pressure and high irradiation is reduced, the sealing performance and mechanical strength of the penetration piece are ensured, and the reliability and safety of the penetration piece used under a high-pressure condition for a long time are ensured.

The invention provides a cable penetrating device for a high-voltage and anti-explosion environment and a manufacturing method thereof, and relates to the technical field of cable penetrating devices. The cable penetrating device for the high-voltage and explosion-proof environment comprises two sealing structures which are arranged in series, each sealing structure comprises a flange, sintered glass, a conductor, an insulating block and a spring seal, the conductor is installed on the flange and is sealed through the sintered glass, the two flanges are sealed through the double spring seals, and the insulating block is arranged between the two flanges. Insulating blocks are filled in the middle and the end parts of the two flanges, the insulating blocks are arranged on the outer side of the conductor, and the two flanges are connected through a fastener. According to the device, an optimized glass metal sintering process is adopted, the quality of a sintered part is improved, the device capable of enabling various cables to penetrate through the boundary of the shell under the high-pressure and anti-explosion environment is manufactured, meanwhile, the device has the function of monitoring the pressure, the temperature and the like in the device, and the device can be used for cable penetrating through the boundary of the shell in the low-temperature anti-explosion field of liquefied natural gas, liquid hydrogen and the like.

The application provides a core-shell structure reinforced white carbon black / graphene oxide hybrid enamel for glass and a preparation method thereof. The enamel is composed of a base glaze and a core-shell structure hybrid reinforcing phase dispersed in the base glaze, wherein the reinforcing phase takes white carbon black as a core, zirconium oxide as a shell, and a three-dimensional hybrid network formed by KH-560 grafted cellulose nanocrystals or carbon nanotubes and graphene oxide is constructed between the core and the shell. The preparation method mainly comprises the following steps: pre-dispersing and in-situ hybridizing white carbon black, graphene oxide and one-dimensional nanofibers through a silane coupling agent; constructing a three-dimensional network under catalytic conditions by using a sol-gel method; then forming a stable core-shell structure through a deposition reaction of zirconium sol; finally, compounding the obtained composite slurry with a base glaze of specific components, and realizing rapid densification through microwave sintering, and the product is particularly suitable for a chemical reaction kettle lining of glass.

The device comprises an electrolytic tank, the electrolytic tank is sequentially divided into a treatment chamber, a PRB and an anode chamber from left to right, a first titanium alloy electrode plate is arranged in the treatment chamber, sintered glass is arranged on the two sides of the PRB, the PRB is provided with a first heavy metal adsorption material, and the first heavy metal adsorption material is provided with a second heavy metal adsorption material. A first titanium alloy electrode plate is arranged in the anode chamber, a second titanium alloy electrode plate is arranged in the anode chamber, the first titanium alloy electrode plate and the second titanium alloy electrode plate are connected with the negative electrode and the positive electrode of a power source respectively, and the treatment chamber is connected with an air pump.

The utility model discloses a high-voltage-resistant wiring rack for a shielding motor, which belongs to the technical field of shielding pump motors and comprises a flange plate, a plurality of through holes are arranged on the flange plate, outer connecting grooves are respectively arranged on the inner walls of the plurality of through holes, wiring copper columns are respectively sleeved in the plurality of through holes, and the wiring copper columns are connected with the flange plate. The outer side of the middle end of the wiring copper column is provided with an inner connecting groove. According to the utility model, the flange plate and the wiring copper column are sintered and connected through the sintered glass sleeve, higher water pressure can be borne, the wiring rack can be used in a high-temperature operation environment, and the outer connecting ring at the side part of the sintered glass sleeve is fixedly sleeved in the outer connecting groove at the inner wall of the through hole, so that the wiring rack is convenient to use. And the inner connecting ring on the inner side of the sintered glass sleeve is fixedly sleeved in the inner connecting groove on the outer side of the wiring copper column, so that the stability of the wiring copper column and the sintered glass sleeve on the flange plate is ensured, the sealing performance is ensured, and the practicability is better.

This invention belongs to the field of metal resource recycling and photovoltaic module reuse technology, specifically relating to a method for separating metallic silver from the surface of crystalline silicon photovoltaic cells. The invention uses a low-concentration alkaline system as its core, adjusting the concentration of sodium hydroxide solution, adding isopropanol as a wetting agent, and applying alternating voltages under controllable conditions to achieve the stripping of silver grid lines. ‑ The erosion of the sintered glassy phase and the interfacial bonding phase causes microcracks and structural instability at the silver / silicon interface. Under external disturbances, the silver grid lines gradually lift and detach from the silicon wafer surface. This invention requires no strong acid, no high temperature, and produces no chlorine or NOx emissions. The process is mild, highly selective, and energy-efficient, achieving a silver stripping rate of 95–98%. This method is suitable for large-scale green recycling of decommissioned crystalline silicon solar cells and can significantly improve the resource recycling efficiency of the photovoltaic industry.

The invention discloses a profile double-sided film heater core and a manufacturing method. The heat exchanger comprises a shell located in the middle, a plurality of longitudinally-extending ribs are arranged in an inner cavity of the shell and divide the inner cavity into a plurality of parallel flow channels, and a plurality of communicated transition cavities are formed in the front end and the rear end of the inner cavity respectively. A water inlet and a water outlet are formed in the end part of the shell, and a fluid circulation channel is formed through the transition cavity and the flow channel; the front end face and the rear end face of the shell are sealed through sealing plates, and an upper thick film heating layer composed of a first sintered glass layer, a silver electrode conductor layer, a resistance heating layer and a second sintered glass layer is sequentially arranged on the upper surface of the shell in a stacked mode. A lower thick film heating layer symmetrical to the upper thick film heating layer is arranged on the lower surface of the shell; the manufacturing method comprises the steps that a section of aluminum profile comprising the rectangular outer wall and the internal ribs is cut out, part of the ribs of the front section and the rear section of the aluminum profile are removed, so that the first cavity, the second cavity, the third cavity, the fourth cavity and the fifth cavity are formed, and the shell is formed.

The present application relates to a kind of artistic paint with gradual rock plate effect and its preparation method and construction method, it relates to artistic paint technical field, with weight parts, the artistic paint with gradual rock plate effect includes the following raw materials: water 20-40 parts, cellulose 0.2-0.7 parts, thixotropic anti-settling agent 0.1-0.5 parts, matte powder 0.2-1 part, filler 2-10 parts, glass powder 2-8 parts, fluff powder 2-10 parts, sintered glass microsphere 15-40 parts, emulsion 10-30 parts and thickening agent 0.1-1 part.The present application provides a kind of gradual rock plate effect water-based artistic paint with natural color, realistic effect, no splicing gap, simple construction, can be applied to different structure base surface, can better meet the consumer use demand and construction requirement.

The core comprises a pressure-sensitive chip, sintered glass is arranged on the back face of the pressure-sensitive chip, a groove is formed in the side, close to the pressure-sensitive chip, of the pressure-sensitive chip, a pressure cavity is formed through the groove, a plurality of through holes are formed in the sintered glass, metal columns are arranged in the through holes, metal seed layers are arranged on the peripheries of the metal columns, and the metal seed layers are arranged on the periphery of the pressure-sensitive chip. Metal contact is formed between the metal seed layer and the pressure-sensitive chip, and the other end of the metal seed layer is connected with a metal bump. The preparation process comprises the following steps: bonding to form the pressure cavity, preparing the metal seed layer and the metal column in the through hole, and preparing the metal ball to form the metal bump. The lead-free packaging pressure-sensitive core has the characteristics of high reliability, high temperature resistance, short interconnection, high temperature resistance and high response rate, can effectively improve the working temperature and response rate of the sensor, can meet the requirement scene of high temperature and high reliability, and can expand the application range of the piezoresistive pressure sensor.

A temperature sensitive element can be electrically connected to a temperature pressure sensor of a circuit board, comprising: a housing having a pressure introduction hole; a pressure measuring assembly comprising a metal substrate provided with a pressure receiving hole and a metal diaphragm sealed to the upper end of the pressure receiving hole, a pressure measuring circuit composed of strain resistance is arranged on the side surface of the metal diaphragm away from the pressure receiving hole; the metal substrate separates the inner cavity of the housing into an upper cavity and a lower cavity; a circuit board is fixedly arranged on the upper side of the metal substrate and is electrically connected to the pressure measuring circuit through a lead wire, the circuit board is provided with a clearance hole allowing the lead wire or the metal diaphragm to pass through; a plurality of pins are fixedly arranged on the housing, the lower end of the pins extends into the upper cavity and is electrically connected to the circuit board through a first elastic conductor; and a temperature sensitive element is arranged in the pressure introduction hole and has a conductive rod extending from each end, the upper end of the conductive rod passes through the metal substrate and is electrically connected to the circuit board through a second elastic conductor, and sintered glass is sealed between the conductive rod and the metal substrate.

A temperature pressure sensor comprises a housing with a pressure introduction hole; a pressure measurement assembly comprising a metal substrate provided with a downward pressure receiving hole and a metal diaphragm sealed to the upper end of the pressure receiving hole; the metal diaphragm is integrally connected with the metal substrate, and the side surface away from the pressure receiving hole of the metal diaphragm is provided with a pressure measurement circuit; the metal substrate divides the inner cavity of the housing into an upper cavity and a lower cavity; a circuit board fixedly arranged on the upper side of the metal substrate is electrically connected to the pressure measurement circuit through first conductive lines, and the circuit board is provided with a clearance hole allowing the first conductive lines to pass through; a plurality of pins fixedly arranged on the housing have lower ends extending into the upper cavity and being electrically connected to the circuit board through first elastic conductive bodies; and a temperature sensitive element arranged in the pressure introduction hole and having two conductive rods respectively extending from both ends, the upper end of the conductive rod passes through the metal substrate and is electrically connected to the circuit board through a conductive sheet and second conductive lines, and sintered glass is sealed between the conductive rod and the metal substrate.