301 results about "Thin glass" patented technology

The invention discloses an intelligent suspension conveying device for laminated glass production, and relates to the technical field of intelligent suspension conveying devices, the intelligent suspension conveying device comprises a guide rail frame and a plurality of suckers, the guide rail frame is slidably provided with a suspension frame, and the suspension frame is provided with a moving structure for driving the plurality of suckers to move. The device has the advantages that the device has the capacity of adapting to plane glass and curved glass, the adsorption angle and the fitting degree can be adjusted in a self-adaptive mode according to the arc-shaped contours of the laminated glass with different curvatures, the stability in the hanging and conveying process is guaranteed, the damage risk caused by unstable adsorption of a traditional device is avoided, frequent manual setting operation is not needed in the whole process, and the production efficiency is improved. Meanwhile, the adsorption force can be intelligently matched with the thickness of the glass, so that the ultra-thin glass is prevented from being pressed and damaged, the adsorption failure of the thick plate glass is prevented, manual parameter calibration is not needed, manual intervention errors are reduced, and the suspension conveying efficiency is improved.

The invention discloses an ultra-thin glass defect detection system and positioning method based on line scanning and phase deflection, and the system comprises a line scanning camera module, a distortionless phase deflection detection module, a high-magnification microscope module and a central processing unit. The line scanning camera module is used for collecting a 2D grayscale image of the ultrathin glass; the distortionless phase deflection technology detection module is used for collecting a surface height map of the ultra-thin glass; the high-magnification microscope module is used for carrying out depth positioning on the interlayer defect judged by the central processing unit; the central processing unit is used for receiving the 2D gray level image and the surface height map, executing an image registration and defect classification algorithm and sending a depth positioning control instruction to the high-magnification microscope module, a multi-module cooperative work detection system is constructed, the detection efficiency and the detection precision are both considered, and data support is provided for production process improvement.

The utility model discloses an ultra-thin glass cutting device, and relates to the technical field of glass production. The ultra-thin glass cutting device comprises a cutting base table, a transfer assembly and a connection assembly, bearing blocks and connection grooves are alternately arranged on the cutting base table in the width direction of the cutting base table, and the upper surfaces of the multiple bearing blocks are equal in height to form a bearing face; the transfer assembly is connected with the cutting base station and is used for transferring the glass plate between the transfer trolley and the cutting base station; the connection assembly comprises a connection frame, the connection frame is movably arranged on the transfer assembly and comprises a plurality of connection pieces arranged at intervals in the width direction of the transfer assembly, and the connection pieces are matched with the connection grooves; the connection assembly can reciprocate in the transfer direction relative to the transfer assembly and can reciprocate in the direction perpendicular to the transfer surface of the transfer assembly relative to the transfer assembly so that the glass plate can be transferred between the transfer assembly and the bearing face in a reciprocating mode.

The invention provides unequal-thickness ultra-thin glass and a preparation method and application thereof.The unequal-thickness ultra-thin glass adopts a specific formula calculated according to the percentage of oxides, the ratio of (Al2O3 + Na2O + K2O + MgO) / (B2O3 + SiO2) is controlled to range from 52% to 68% on the basis that ZnO, P2O5 and SrO are not added by controlling the components adopted in the formula and the matching relation among the components, and the unequal-thickness ultra-thin glass is obtained. The maximum thickness of the unequal-thickness ultra-thin glass is controlled, so that the light transmittance of the unequal-thickness ultra-thin glass can reach 91%, the fracture toughness of the unequal-thickness ultra-thin glass can be larger than or equal to 0.76 MPa.m < 1 / 2 >, the Vickers hardness of the unequal-thickness ultra-thin glass can reach 573 kgf / mm < 2 > or above, the average single drop pen impact height of a non-bending area of the unequal-thickness ultra-thin glass can reach 100 mm or above, and the unequal-thickness ultra-thin glass has good bending performance, impact resistance and drop resistance.

The invention relates to the technical field of glass processing, in particular to an automatic double-face grinding device for panel glass and a grinding method.The automatic double-face grinding device comprises a rack, a conveying belt and a clamping plate, the conveying belt is arranged on the rack through a driving mechanism, the clamping plate is arranged on the rack in a sliding mode, and two grinding assemblies are arranged on the rack; the two sets of grinding assemblies are symmetrically arranged up and down with the conveying belt as the center, two sets of elastic clamping mechanisms are arranged on the rack and connected with the clamping plates and the two sets of grinding assemblies correspondingly, and a transmission mechanism is arranged on the rack and connected with the two sets of grinding assemblies correspondingly. The double conveying belts are linked with the elastic clamping mechanism, glass is accurately positioned and clamped, the grinding assemblies which are symmetrical up and down are attached to the double faces of the glass in a self-adaptive mode, continuous power transmission of the transmission mechanism is matched, double-face synchronous grinding is completed, the elastic clamping mechanism dynamically balances the clamping force, and thin glass is prevented from being broken; the transmission mechanism ensures that power connection is stable when the grinding assembly is vertically adjusted.

A foldable electronic device may include a flexible display panel and a display cover layer that fold along a bend axis. The display cover layer may be formed from one or more glass layers. For example, a thin glass layer may form an outer surface of the display and may extend across the bend axis. The glass layer may exhibit a crack initiation load of at least 10 kgf to help prevent sharp objects from causing median cracks in the cover layer that might lead to failure. An ion exchange process may be used to impart regions of compressive stress in the glass and to further increase the force required to cause failure in the cover layer. To allow the glass to bend, the glass may have a bendable region with a thickness of 200 microns or less.

The invention provides a folding display module and a folding display device, belongs to the technical field of display, and can solve the problem that an existing folding display module is prone to generating creases. The folding display module comprises a flexible display panel and a cover plate located on the display side of the flexible display panel. The cover plate comprises a first ultra-thin glass layer and a first bonding layer located between the first ultra-thin glass layer and the flexible display panel. The elastic modulus of the first bonding layer under the condition of-20 DEG C is 80 + / -20 kpa, the elastic modulus under the condition of 20 DEG C is 20 + / -10 kpa, and the elastic modulus under the condition of 60 DEG C is 10 + / -5 kpa.

The invention discloses a one-kiln two-line production process for energy-saving glass, and relates to the technical field of energy-saving glass plate production. A shunting pressure stabilizing chamber, a central partition wall and an electromagnetic-platinum combined stirring device are arranged at the tail end of a melting furnace, and are matched with prolonging of clarification residence time and a microbubble bubbling device, so that a highly uniform temperature field and component distribution can be obtained before molten glass enters a feeding channel, and bubbles and inclusions are fully eliminated. By means of the collaborative measure, the melt cleanliness is remarkably improved, optical defects such as stripes, stones and white points in the subsequent forming process are greatly reduced, and the appearance and the physical strength of a finished product are more reliable. By means of the Y-shaped double feeding channels and the independent temperature control tin bath, ultra-thin glass and medium-thickness glass can be produced at the same time in the same melting furnace and do not interfere with each other. The main line focuses on the flatness and the optical quality of the energy-saving glass of the building curtain wall, and the branch line focuses on the thickness control and the surface smoothness of the ultrathin energy-saving glass.

A formed laminated glazing for a vehicle, includes two sheets of glass of different thicknesses separated by an interlayer made of polymer material, the thickness E1 of the thick glass V1 being such that 1.4 mm≤E1≤3.9 mm, the thickness E2 of the thin glass V2 being such that 1.1 mm≤E2≤2.6 mm, the thickness E3 of the polymer material M being such that 0.3 mm≤E3≤1.2 mm, the total glass thickness EV being such that 2.5 mm≤EV≤5.7 mm, the ratio of the thicknesses E2 / E1 being such that 0.34≤E2 / E1≤0.9. This glazing combines rigidity, acoustic performance and ease of manufacture.

A protective cover plate includes an ultra-thin glass layer and at least one thermoplastic protective film. The ultra-thin glass layer has two main surfaces opposite to each other. At least one main surface in the two main surfaces is coated with a thermoplastic protective film in the at least one thermoplastic protective film.

The utility model relates to the technical field of glass production traction devices, in particular to a gradient type traction device for glass production, which comprises a motor seat and a support frame, a plurality of variable frequency motors are uniformly and fixedly mounted at the top end of the motor seat, and a plurality of reduction gear boxes are uniformly and fixedly mounted at the top end of the motor seat. Bearings are evenly and fixedly installed at the top end of the supporting frame, roller rods are fixedly installed on the inner side walls of the bearings, a first chain wheel is fixedly installed on an output shaft of the reduction gearbox, a second chain wheel is fixedly installed at the side end of each roller rod, and the first chain wheel and the second chain wheel are connected through a chain. The speed is adjusted from the tenth roller rod according to the thickness of the glass, so that the glass is gradually annealed while the waveform and thickness of the glass are adjusted, then the glass flows to an assembly line to be cut, and the effect of improving the production quality of the ultra-thin glass is achieved by independently controlling the rotating speed of the single roller rod through the single variable frequency motor.

The present invention relates to a preparation method and a preparation device for ultra-thin rolled glass for solar cells. Compared with the existing rolled glass preparation technology, the present invention targets the particularity of ultra-thin rolled glass for solar cells, conducts technical innovations in multiple processes, and forms a brand-new ultra-thin rolled glass preparation technology. Specifically, it includes: in the glass component selection and batching process, optimizing the design of glass components to improve the impact resistance of ultra-thin rolled glass; in the melting and clarification process, improving the clarifier formula and setting the melting furnace combustion atmosphere to an oxidizing atmosphere to achieve efficient melting and clarification of the glass liquid; in the forming process, adopting a multi-stage rolling forming process to achieve the forming of ultra-thin glass ribbons with small thickness differences; in the annealing process, adopting an annealing process that finely controls the temperature of each annealing area and accurately controls the cooling rate of the glass ribbon to achieve precise annealing of the ultra-thin rolled glass ribbon. The ultra-thin rolled glass produced by the present invention has the advantages of small thickness difference, high impact resistance, and high transmittance.

A method for assembling an insulating glass sheet comprising two outer glass sheets and at least one thin glass sheet therebetween is disclosed. The method comprises the following steps: in a first application station, applying a first flexible spacing bar to a first outer layer glass to form a first frame-shaped spacer; after applying the first spacing bar, in a first pressing station, joining the first outer glass with the thin glass to form a glass assembly; applying a second flexible spacer strip onto the thin glass of the glass assembly after joining to form the glass assembly to form a frame-shaped spacer; after the second spacer bar is applied, in the second pressing station, the glass assembly and at least one second outer layer glass form a three-layer or four-layer insulating glass sheet.

The application provides an ultrathin glass-based OLED panel and a manufacturing method, wherein the OLED panel comprises: an ultrathin glass substrate having a plurality of bending stress dissipation grooves, the extension direction of the bending stress dissipation grooves being perpendicular to a preset bending direction; a substrate electrode layer formed on one side of the ultrathin glass substrate, the substrate electrode layer comprising a plurality of high-molecular strip-shaped substrates and functional electrodes in the same layer, the high-molecular strip-shaped substrates covering at least the bending stress dissipation grooves, and the functional electrodes being arranged in the gaps between the high-molecular strip-shaped substrates; and an OLED device layer formed on the side of the high-molecular strip-shaped substrates away from the ultrathin glass substrate. The application can reduce the number of bonding times, reduce material use and waste, enhance the functionality of the panel, and reduce the overall thickness of the panel, thereby reducing the overall production cost and improving the process yield of the OLED.

A method for assembling an insulating glass pane includes two outer glasses and at least one thin glass therebetween. A first flexible spacer strand is applied to a first outer glass to form a first frame-shaped spacer in a first application station. After the application of the first spacer strand, the first outer glass is joined with a thin glass to form a glass assembly in a first pressing station. After joining of the glass assembly, a second flexible spacer strand is applied to the thin glass of the glass assembly to form a frame-shaped spacer. After application of the second spacer strand, the glass assembly is completed with at least a second outer glass to form a triple or quadruple insulating glass pane in a second pressing station.

The invention belongs to the field of automatic processing equipment, and particularly relates to ultra-thin flexible glass high-precision deviation rectifying and frame inserting equipment which comprises a material frame conveying line, a translation transferring module, a lifting module, a horizontal posture adjusting module, a transferring robot and a first visual recognition module. The first visual recognition module is arranged on the transfer robot, recognizes the position and posture of glass and the position of a material frame notch in real time in the glass picking and carrying process, guides the robot to dynamically rectify deviation, and achieves non-contact frame insertion in the whole process; the horizontal posture adjusting module is used for micro-angle correction before glass enters a frame, the lifting module is of a double-clamping-jaw parallel structure, and efficient circulation of empty and full material frames is achieved. Through combination of visual real-time guidance and robot dynamic path correction, the problems of scratching and fragment caused by positioning deviation in the ultra-thin glass frame inserting process are effectively solved, the frame inserting precision, the production efficiency and the yield are greatly improved, and the automatic frame inserting and rotating device is suitable for automatic frame inserting and rotating operation in the procedures of ultra-thin flexible glass cleaning, acid pickling, strengthening, film coating and the like.

A lightweight photovoltaic product system, which relates to the technical field of photovoltaic products. The lightweight photovoltaic product system comprises: metal tiles, lightweight photovoltaic panels, and metal clamp assemblies. The lightweight photovoltaic panels are of a multi-layer plate-shaped structure, and each comprise an ultra-thin glass front plate, a first adhesive film layer, a cell, a second adhesive film layer, and a polymer backplate that are laminated in sequence. Each lightweight photovoltaic panel is arranged on the surface of the metal tiles by means of several metal clamp assemblies, and the metal clamp assemblies are detachably mounted at the peaks of the metal tiles. By means of such configurations, different numbers of metal clamp assemblies can be selected on the basis of different areas of the metal tiles to be laid, so as to fixedly mount the lightweight photovoltaic panels, and the position where the lightweight photovoltaic panels are arranged can also be adjusted on the basis of the actual shape of the metal tiles. Each lightweight photovoltaic panel can be quickly mounted by means of several detachable metal clamp assemblies; in addition, the cooperative use of the plurality of metal clamp assemblies can also improve the stability of the lightweight photovoltaic panel.

The present application relates to the technical field of glass etching, and particularly relates to a device for uniform bubbling of glass etching, which can vibrate out gas pipes to shake off adhered glass powder, can produce more fine bubbles of different sizes, reduce the impact on thin glass, and is good in practicability; the device comprises an etching groove, a gas feeding pipe and an oil-water separator, the oil-water separator is installed on the gas feeding pipe; the device further comprises multiple gas outlet pipes, multiple gas outlet nozzles, multiple supports and gas outlet adjusting structures, the multiple gas outlet pipes are elastically installed at the bottom of the etching groove through the multiple supports, the multiple gas outlet pipes are connected with the gas feeding pipe, multiple gas outlet nozzles are obliquely arranged on the two side walls of the gas outlet pipe, the multiple gas outlet nozzles on the gas outlet pipe are directed to another gas outlet pipe adjacent to the gas outlet pipe, the gas outlet adjusting structures are arranged in the multiple gas outlet pipes, the gas outlet adjusting structures vibrate the multiple gas outlet pipes under the action of airflow, and the gas outlet adjusting structures intermittently shield the multiple gas outlet nozzles, so that more fine bubbles of different sizes are produced.

The invention relates to the technical field of cerium-containing ultra-thin glass processing, in particular to a medicament for strengthening and thinning a cerium-containing ultra-thin glass cover plate and a preparation process thereof, which are used for solving the problems that the roughness is easy to increase and the surface smoothness does not reach the standard in the process of directly etching glass by traditional hydrofluoric acid, and if no strengthened glass cover plate exists, the glass cover plate cannot be thinned. The bending strength of the glass is obviously reduced, and the requirement on the bending strength cannot be met; meanwhile, hydrofluoric acid also causes direct contact harm to operators; the etching agent and the carbonization agent are used as agents to treat the cerium-containing ultra-thin glass cover plate, the etching agent can be used for etching and thinning the cerium-containing ultra-thin glass cover plate, the etching agent can react with fluoride to form a protective crystal nucleus layer, and the protective crystal nucleus layer is attached to the surface of the glass to form a protective layer; the bending performance of the cerium-containing ultra-thin glass cover plate is greatly improved, the protective layer can be thickened and strengthened through the coating formed by the carbonization agent, and the bending performance of the cerium-containing ultra-thin glass cover plate is further improved.

The application discloses a kind of light car laminated glass and preparation method thereof, belong to laminated car glass production technical field.The light car laminated glass is bent thick glass, adhesive film layer, flat thin glass in turn from bottom to top, when vacuum pressure is covered, thin glass needs to bend the same curvature as thick glass, flat thin glass is provided with groove around.The thick glass is combined with thin glass to reduce the mass of laminated glass as a whole, realize light weight;Thin glass exists groove around, by glass and gap, and the shape of gap is isosceles triangle;The thin glass of the application is provided with groove around in car laminated glass, ensure the space of bending deformation when vacuum pressure is covered, not easy to break, improve production yield, improve the light distortion of finished product simultaneously.

The utility model provides a kind of alignment device of glass panel, comprising: fixed rack is equipped with feeding area and alignment area;Conveying component is installed on the fixed rack, and its conveying track extends from the feeding area to the alignment area, to transmit glass panel;Lifting assembly is installed at the alignment area of the fixed rack, to support and lift the glass panel located in the alignment area;Alignment component is installed at the alignment area of the fixed rack, to carry out alignment to the glass panel supported by the lifting assembly.The utility model can realize the accurate, stable alignment and efficient production of thin glass panel, and can be adapted to various sizes of ultra-thin glass panel, significantly reducing the subsequent cutting failure rate caused by poor alignment.

A method for producing a flat thin glass ribbon is provided. The method includes the steps of drawing melted glass downward away from a tank in a pulling direction while applying tensile forces which act in the pulling direction to form the thin glass ribbon having a thickness of at most 250 μm and cooling the thin glass ribbon until a temperature of the thin glass ribbon undershoots a glass transition temperature. The tensile forces are transferred to the thin glass ribbon by at least two pairs of drawing rollers. The at least two pairs of drawing rollers are spaced apart transversely to the pulling direction and contact the thin glass ribbon on longitudinal edges of the thin glass ribbon. The thin glass ribbon only makes contact with the at least two pairs of drawing rollers at a position where the temperature of the thin glass ribbon is at most at or below 500° C.

The utility model relates to the technical field of ultra-thin glass, in particular to precision grinding and polishing equipment for ultra-thin glass, which comprises an operating table, a polishing base is fixedly connected to the top of the operating table, a lifting frame is fixedly connected to the top, far away from the polishing base, of the operating table, and a lifting motor is connected to the top of the lifting frame through a bolt. The output end of the lifting motor is fixedly connected with a lifting threaded rod, the lifting threaded rod penetrates through the lifting frame and is rotationally connected with the lifting frame, the outer wall of the lifting threaded rod is in threaded connection with a lifting plate, a polishing mechanism is arranged in the lifting plate, and an adjusting mechanism and a rotating adjusting knob are arranged at the bottom of the lifting plate. The rotating adjusting knob drives the springback threaded rod to vertically move under the action of threads, and the springback threaded rod which vertically moves can adjust the distance between the rotating disc and the polishing disc, so that the elastic force applied to the polishing disc by the spring is adjusted, and the polishing pressure applied to glass with different thicknesses can be conveniently and accurately adjusted.

The invention discloses an automatic ultrathin glass sheet taking system, and relates to the field of glass sheet taking, the system comprises a supporting rack, the top of the supporting rack is provided with a sheet taking platform and a plurality of air floating strips, and the sheet taking platform is internally provided with receding grooves and material taking receding grooves which are movably connected with the air floating strips in a sleeving manner; a plurality of opening and closing mechanisms are arranged on the outer side of the supporting rack, output structures in the opening and closing mechanisms are sequentially in transmission connection with switches of the air floating strips, receiving table modules are arranged on the two sides of the top of the supporting rack, and a plurality of guide wheels are installed on one side of each receiving table module from front to back in a transmission mode. The guide wheels arranged on the left side and the right side of the supporting rack are actively driven by the two receiving table modules, and then in the further combined use process of the multiple air floating strips, when the two receiving table modules actively convey the ultra-thin glass through the corresponding guide wheels which are respectively driven by the two receiving table modules, the ultra-thin glass can only make contact with the guide wheels through the lifting effect of the air floating strips, and therefore the ultra-thin glass can be automatically conveyed. The problems in the prior art are solved.

The invention discloses a glass trepanning method based on laser. The glass trepanning method comprises the following steps: S1, cleaning a material; s2, a coating is arranged; s3, removing the coating; s4, laser-induced modification; s5, chemically etching the modified layer; s6, removing the whole coating layer; and S7, cleaning and drying. According to the invention, through the double-path laser system and the mode of arranging the protective layer in cooperation with the glass laser, very precise and efficient laser trepanning treatment can be effectively carried out on the set position on the glass substrate, the thinning of the glass during etching is avoided, the preset thickness of the glass substrate can be effectively reduced under the condition of ensuring the laser trepanning effect, and the production efficiency of the glass substrate is improved. However, the thin glass is easier to realize trepanning, so that the etching time is shortened, and the efficiency is improved.

The invention provides polyester resin for a transparent powder coating with excellent adhesive force and leveling as well as a preparation method and application of the polyester resin, and belongs to the technical field of powder coatings. The polyester resin is mainly prepared by taking diethylenetriamine pentaacetic acid, triethyl chlorosilane, 1, 6-hexanediol, N, N-diisopropylethanolamine, 2, 2-dimethyl propanol, neopentyl glycol, 3, 3-tetramethylene glutaric anhydride, 1, 4-cyclohexanedimethanol and the like as raw materials through polymerization. The obtained polyester resin chain segment has many branched structures, the number of amino groups and ester groups in the branched structures is large, the softening point is low, the low-temperature melting fluidity is good, the transparency is high, the adhesive force with a base material is good, then high-functionality diethylenetriamine pentaacetic acid is adopted for carboxyl end capping, the terminal carboxyl functionality is high, the curing activity is high, and the curing effect is good. After being cured with E-12 epoxy resin at low temperature, a coating film is good in leveling property and high in transparency, and can be used in the fields of thermosensitive base materials which are not easy to adhere, such as thin glass materials and the like.

The invention discloses a preparation method and application of an ultra-thin glass through hole TGV, and belongs to the technical field of three-dimensional integration, MEMS devices and advanced packaging. According to the technical scheme, the front face of the silicon wafer is etched to form a high-density blind hole template, then oxidation is carried out for a long time in a wet oxygen environment, silicon around the blind holes is converted into thermal growth SiO2 in situ, then copper columns are prepared in the blind holes to form a copper / SiO2 coplanar bonding level interface, mixed bonding with Cu-Cu + SiO2-SiO2 of a butt-joint wafer is achieved, silicon is removed from the back face till copper is exposed, and finally the high-density blind hole silicon wafer is obtained. And forming the ultra-thin TGV through structure. Different from the route that holes are firstly formed in glass in the prior art, the method does not directly process ultra-thin glass, blind holes and vitrification are completed on silicon, and then metallization and bonding are performed, so that coplanarity / roughness and mass production consistency required by an ultra-thin TGV are obtained on a 8-12-inch silicon platform.

The application provides a kind of grooving ultra-thin glass and its processing method, the ultra-thin glass includes thinning area and non-thinning area, the thinning area includes folding area, and transition area symmetrically arranged at both ends of the folding area, the transition area and the folding area are smoothly connected, both ends of the transition area are smoothly connected non-thinning area;The processing method includes attaching acid-resistant film on one side surface of ultra-thin glass to obtain glass sample, freezing both ends of the glass sample respectively, and then completing the grooving of ultra-thin glass through etching process and cleaning process.In the application, the processing method of ultra-thin glass grooving is provided, which is cooperated by freezing, etching process and cleaning process, and the specific steps of each operation are controlled, which greatly increases the impact resistance of ultra-thin glass, and the transition area of ultra-thin glass after grooving is very smooth, the overall operation is simple, the cost is low, the grooving effect is good, and it is suitable for popularization and use.

The utility model provides a shower spraying device for an etching setting frame, which comprises a first frame rod and a second frame rod which are arranged in parallel, and two sides of the first frame rod and two sides of the second frame rod are connected and fixed through connecting frame rods; a plurality of spraying pipes which are distributed at equal intervals are rotatably mounted between the first frame rod and the second frame rod, and a plurality of nozzles are uniformly mounted at the bottoms of the spraying pipes; an inner flow channel is formed in the first frame rod, one end of each spraying pipe is connected with the inner flow channel of the first frame rod in a sealed and communicated mode, and the inner flow channel of the first frame rod is connected with external water supply equipment through a connecting pipe; a gear and rack adjusting mechanism is arranged on the second frame rod and is used for driving all the spraying pipes to rotate synchronously. When in use, the glass substrate spraying device can effectively meet the spraying requirement of a double-sided thinned or single-sided thinned glass substrate, so that the spraying is more sufficient, the water spraying manpower of personnel is reduced, the requirement of a moisturizing room is reduced, the product quality is improved, and the glass substrate spraying device is ingenious in overall design, flexible and convenient to use and high in practicability.

The application provides an ultrathin glass and a strengthened impact-resistant ultrathin glass, and a preparation method and application thereof. The ultrathin glass is prepared by controlling the composition and components of the ultrathin glass, and the components satisfy the following relationships (1)-(3) at the same time: (1) 11.00% <= ((Li2O) + (K2O)) / ((Al2O3) + (Na2O)) <= 20%; (2) 6% <= ((ZrO2) + (Li2O) + (MgO)) / ((Na2O) + (K2O) + (SiO2)) <= 14%; and (3) 4.1 <= ((B2O3) + (SiO2) + (ZrO2)) / ((K2O) + (Na2O)) <= 5.1. The ultrathin glass provided by the application has ultrahigh Young's modulus and low thermal expansion coefficient at a thickness of not more than 0.40 mm; and the strengthened impact-resistant ultrathin glass prepared by the application has good impact resistance, drop resistance, good bending strength and low warping performance.