Nanosphere mask preparation device capable of automatically replacing vertical injector and lower liquid spherical crown

The automated nanosphere mask fabrication device solves the problems of high cost, low efficiency and serious waste in the existing technology, and realizes efficient and stable nanosphere mask fabrication.

CN224020143UActive Publication Date: 2026-03-20EAST CHINA UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-12
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing nanoarray fabrication processes are costly, inefficient, and produce inconsistent quality and waste raw materials. Manual operation is limited by the shape of the glass slide, resulting in low efficiency in mask fabrication.

Method used

An automated nanosphere mask fabrication device with interchangeable vertical syringes and liquid-filled caps was designed. The device achieves automated operation through components such as sliding support rods, frame, rack, magnetic sleeve, and electric push rod. It can replace different types of flat-mouth injection needles as needed, thereby improving the efficiency of mask fabrication.

Benefits of technology

The automated preparation of nanosphere masks has been achieved, which improves the efficiency and quality stability of mask production, reduces raw material waste, and lowers manufacturing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a nanosphere mask preparation device capable of automatically replacing a vertical injector and a lower liquid spherical crown, which comprises a mounting bracket, the lower end of the mounting bracket is fixedly connected with a preparation table, a first electric push rod is fixedly connected in a square groove at the front end of the preparation table, and the telescopic end of the first electric push rod is fixedly connected with a culture dish; by means of the design, the problems that due to the fact that an original device is manually controlled in the whole process and limited by the shape of a glass slide, the mask manufacturing efficiency is low, the quality is low, the process is unstable, and raw materials are seriously wasted are solved, and the mask manufacturing device is reasonable in structure, good in practicability and suitable for popularization and application. Nanosphere mixed liquid can be effectively dropped on the lower liquid spherical crown through automatic operation, and different types of plain-end injection needle tubes can be automatically used according to requirements, so that the mask preparation efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model is nanometer ball mask preparation device of automatic replacement vertical injector and liquid ball crown, belong to photoelectric device manufacturing technical field. BACKGROUND

[0002] In some photoelectric devices, such as photoelectric cathode, thermal photovoltaic cell, nano photonics structure (NPA) array with Mie scattering resonance effect can regulate the incident light, change the position of absorption peak, adjust the absorption intensity, etc., so as to improve the performance of photoelectric device.

[0003] The current widely used nanometer array preparation process is mainly photolithography and self-assembly method. Photolithography needs to prepare a photomask with array pattern first, and then expose the required pattern on the substrate using photoresist, but the disadvantage is that the method is very high in cost, and needs to be entrusted to professional manufacturers for preparation, resulting in long time cycle. The principle of automatic replacement vertical injector is mainly to utilize the self-assembly characteristics of nanometer balls on the water surface and the growth mechanism of VLS (vapor-liquid-solid) to prepare a mask layer. Generally, a single-layer nanometer ball film is formed on the water surface by pushing the injector on the glass slide to lower the liquid, and then the film is picked up and placed on the substrate material to serve as an etching mask. The biggest advantage of this method is that the production cost is relatively low, and the mask can be prepared at any time under laboratory conditions. However, in the existing technology, the whole process is controlled by human beings, and is limited by the shape of the glass slide, resulting in low efficiency and low quality of mask preparation, unstable process and serious waste of raw materials. Therefore, there is an urgent need for a nanometer ball mask preparation device with automatic replacement of vertical injector and liquid ball crown to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a nanometer ball mask preparation device with automatic replacement of vertical injector and liquid ball crown to solve the problems raised in the background art. The utility model has good practicability, can effectively drop nanometer ball mixture on the liquid ball crown through automatic operation, and can automatically use different types of flat needle tubes according to demand, thereby increasing the efficiency of mask preparation.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a nanometer ball mask preparation device with automatic replacement of vertical injector and liquid ball crown, comprising a mounting bracket, the lower end of the mounting bracket is fixedly connected with a preparation table, the front end of the preparation table is fixedly connected with a first electric push rod in the square groove, and the extension end of the first electric push rod is fixedly connected with a culture dish.

[0006] The front end of the mounting support is provided with a replacement assembly, the replacement assembly comprises two sliding support rods, a frame sliding frame, a rack, a plurality of mounting blocks, a plurality of magnetic sleeves, a plurality of flat mouth injection needle tubes, a second electric push rod, a sliding sleeve, a third electric push rod, a clamping strip, a butt joint strip, an electromagnetic suction block, a mounting seat, a motor and a gear, the two sliding support rods are fixedly connected to the inner walls on the left and right sides of the front end of the mounting support, the frame sliding frame is slidingly connected to the circumferential surface of one of the sliding support rods, the rack is fixedly connected to the lower end of the frame sliding frame, the plurality of mounting blocks are fixedly connected to the front end of the frame sliding frame, the plurality of magnetic sleeves are fixedly connected to the front ends of the plurality of mounting blocks respectively, the plurality of flat mouth injection needle tubes are slidingly connected into the plurality of magnetic sleeves respectively, the second electric push rod penetrates through and is fixedly connected to the front end of the mounting support, the sliding sleeve is fixedly connected to the output end of the second electric push rod, the third electric push rod is fixedly connected in the sliding sleeve, the clamping strip is fixedly connected to the output end of the third electric push rod, the butt joint strip is fixedly connected to the upper end of the sliding sleeve, the electromagnetic suction block is fixedly connected to the front lower end of the butt joint strip, the mounting seat is fixedly connected to the upper end of the preparation table, the motor is fixedly connected to the upper end of the mounting seat, the gear is fixedly connected to the output end of the motor, and the gear is meshed with the rack.

[0007] Further, the upper end of the butt joint strip is fixedly connected with two supporting sliding rods, and the clamping strip is slidingly connected with the two supporting sliding rods.

[0008] Further, the upper end of the preparation table is fixedly connected with a sliding rod, and the sliding sleeve is slidingly connected with the sliding rod.

[0009] Further, the rear end of the frame sliding frame is fixedly connected with a connecting sliding block, and the connecting sliding block is slidingly connected with the mounting support.

[0010] Further, the front end of the clamping strip is provided with a magnetic suction layer, and the flat mouth injection needle tube is made of metal material.

[0011] Further, the clamping strip cooperates with the plurality of flat mouth injection needle tubes.

[0012] The automatic replacement vertical injector and nanometer ball mask preparation device of the utility model have the advantages that two sliding support rods, a frame sliding frame, a rack, a plurality of mounting blocks, a plurality of magnetic sleeves, a plurality of flat mouth injection needle tubes, a second electric push rod, a sliding sleeve, a third electric push rod, a clamping strip, a butt joint strip, an electromagnetic suction block, a mounting seat, a motor and a gear are added, and through the design improvement and actual use, the device has the advantages of reasonable structure and good practicability, can effectively drop nanometer ball mixed solution on a lower liquid ball crown through automatic operation, can automatically use different types of flat mouth injection needle tubes according to requirements, and can further increase the mask preparation efficiency. Attached Figure Description

[0013] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0014] Figure 1 This is a first-view three-dimensional schematic diagram of the overall structure of the nanosphere mask preparation device for automatically changing the vertical syringe and the liquid-lowering cap of this utility model.

[0015] Figure 2 This invention relates to a nanosphere mask fabrication device for automatically changing the vertical injector and the lower liquid cap. Figure 1 Schematic diagram of the structure at point A;

[0016] Figure 3 This is a schematic cross-sectional view of the nanosphere mask fabrication device for automatically changing the vertical syringe and the liquid-lowering cap according to this utility model.

[0017] Figure 4 This invention relates to a nanosphere mask fabrication device for automatically changing the vertical injector and the lower liquid cap. Figure 3 Schematic diagram of the structure at point A;

[0018] Figure 5 This is a two-dimensional schematic diagram of the overall structure of the nanosphere mask preparation device for automatically changing the vertical syringe and the liquid-lowering cap of this utility model from a second perspective.

[0019] Figure 6 This is a schematic diagram of the liquid-feeding angle of the nanosphere mask preparation device for automatically changing the vertical syringe and the liquid-feeding cap according to this utility model.

[0020] In the diagram: 1-Mounting bracket, 2-Sliding support rod, 3-Preparation stage, 4-First electric push rod, 5-Connecting slider, 6-Frame frame, 7-Flat-mouth injection needle tube, 8-Magnetic sleeve, 9-Clamping strip, 10-Connecting strip, 11-Supporting slide rod, 12-Mounting drag block, 13-Gear, 14-Mounting base, 15-Second electric push rod, 16-Cultural dish, 17-Sliding rod, 18-Sliding sleeve, 19-Motor, 20-Rack, 21-Electromagnetic suction block, 22-Third electric push rod. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] Please see Figures 1-6The utility model provides a technical scheme: automatic replacement vertical injector and nanometer ball mask preparation device of liquid ball crown, including installation support 1, the lower end fixed connection of installation support 1 has preparation table 3, the front end square groove of preparation table 3 is fixedly connected with first electric push rod 4, and the telescopic end of first electric push rod 4 is fixedly connected with petri dish 16, and the front end of installation support 1 is provided with replacement component, and replacement component includes two sliding support 2, frame 6, rack 20, a plurality of installation drag block 12, a plurality of magnetic sleeve 8, a plurality of flat mouth injection needle tube 7, second electric push rod 15, sliding sleeve 18, third electric push rod 22, clamping strip 9, butt joint strip 10, electromagnetic suction block 21, mounting seat 14, motor 19 and gear 13, and two sliding support 2 are fixedly connected to the left and right two sides inner wall of the front end of installation support 1, and frame 6 is slidably connected to the circumferential surface of one of sliding support 2, and rack 20 is fixedly connected to the lower end of frame 6, and a plurality of installation drag block 12 are fixedly connected to the front end of frame 6, and a plurality of magnetic sleeve 8 are fixedly connected to the front end of a plurality of installation drag block 12 respectively, and a plurality of flat mouth injection needle tube 7 are slidably connected in a plurality of magnetic sleeve 8 respectively, and second electric push rod 15 is fixedly connected to the front end of installation support 1 in penetration, and sliding sleeve 18 is fixedly connected to the output of second electric push rod 15, and third electric push rod 22 is fixedly connected in sliding sleeve 18, and clamping strip 9 is fixedly connected to the output of third electric push rod 22, and butt joint strip 10 is fixedly connected to the upper end of sliding sleeve 18, and electromagnetic suction block 21 is fixedly connected to the front lower end of butt joint strip 10, and mounting seat 14 is fixedly connected to the upper end of preparation table 3, and motor 19 is fixedly connected to the upper end of mounting seat 14, and gear 13 is fixedly connected to the output of motor 19, and gear 13 and rack 20 are mutually engaged, and the design solves the original device whole process is controlled by human, and is limited to the limitation of glass slide shape, makes the efficiency of making mask low, and the quality is lower, and the process is unstable and there is the problem of serious raw material waste.

[0023] As a first embodiment of the utility model: the upper end of butt joint strip 10 is fixedly connected with two support slide rods 11, clamping strip 9 is slidably connected with the two support slide rods 11, the upper end of the two support slide rods 11 is provided with a limiting block, the support slide rod 11 installed on the upper end of butt joint strip 10 can support clamping strip 9 to move on the upper end of butt joint strip 10, the limiting block installed on the support slide rod 11 can be used to limit clamping strip 9. The upper end of preparation table 3 is fixedly connected with slide rod 17, slide sleeve 18 is slidably connected with slide rod 17, slide rod 17 installed on the surface of preparation table 3 can be used to support slide sleeve 18 to slide on the surface of preparation table 3, and the stability of clamping strip 9 and butt joint strip 10 moving is increased. The rear end of frame 6 is fixedly connected with connecting slide block 5, connecting slide block 5 is slidably connected with mounting bracket 1, connecting slide block 5 installed on the rear end of frame 6 can drive clamping strip 9 to retract into mounting bracket 1, so that the surface of clamping strip 9 and butt joint strip 10 is protected. The front end of clamping strip 9 is provided with magnetic attraction layer, flat mouth injection needle tube 7 is made of metal material, the magnetic attraction layer arranged at the front end of clamping strip 9 can attract the telescopic end of flat mouth injection needle tube 7, the firmness between flat mouth injection needle tube 7 and clamping strip 9 is increased, flat mouth injection needle tube 7 is made of metal, can cooperate with magnetic sleeve 8, clamping strip 9 and electromagnetic suction block 21, and flat mouth injection needle tube 7 is controlled to use. Clamping strip 9 cooperates with a plurality of flat mouth injection needle tubes 7, after clamping strip 9 and butt joint strip 10 clamp the flat mouth injection needle tube 7 to be used, third electric push rod 22 can push the push rod of flat mouth injection needle tube 7 to drop nanosphere mixed solution on lower liquid sphere crown.

[0024] As a second embodiment of the utility model: S1: polystyrene nanosphere solution with solid content of 2.5% and diameter of 400nm and dispersing agent anhydrous methanol are configured into nanosphere mixed solution with mass ratio of 2.85:1, and are prepared for standby after ultrasonic oscillation for 5 minutes at room temperature.

[0025] S2: after lower liquid sphere crown with original sphere radius of 2.5cm and sphere crown height of 2.5cm and 1cm*1cm borosilicate glass substrate are cleaned, the lower liquid sphere crown is modified by water bath in 30% hydrogen peroxide for 20 minutes.

[0026] S3: flat mouth needle head with inner diameter of 0.23mm is used to replace bevel needle head on standard 1ml needle tube, nanosphere mixed solution configured in step S1 is sucked, flat mouth injection needle tube 7 is clamped between one group of upper and lower magnetic sleeves 8, push rod of flat mouth injection needle tube 7 is clamped and attracted by clamping strip 9, butt joint strip 10 clamps outer sleeve of flat mouth injection needle tube 7, and electromagnetic suction block 21 is electrified to attract outer sleeve of flat mouth injection needle tube 7.

[0027] S4: needle tube model of 1ml is arranged between clamping strip 9 and butt joint strip 10, and flow rate is 3ml / h.

[0028] S5: Put the processed lower liquid spherical crown in the middle of the culture dish, the diameter of the culture dish is 15 cm, and ultrapure water is put into the culture dish until the water surface and the lower liquid angle formed by the lower liquid spherical crown are about 35 degrees.

[0029] S6: Install the culture dish filled with ultrapure water above the first electric push rod 4, adjust the position so that the lower liquid spherical crown in the culture dish is directly below the needle tube of the flat mouth injection needle tube 7.

[0030] S7: Use a dropper to absorb a small amount of ultrapure water to wet the surface of the lower liquid spherical crown.

[0031] S8: Adjust the position of the culture dish 16 by controlling the third electric push rod 22 to push the push rod of the flat mouth injection needle tube 7 to move downward, and when the nanosphere mixed liquid droplets appear on the needle, the flat mouth injection needle tube 7 needle part is in contact with the center vertex of the lower liquid spherical crown, and uniform liquid is realized.

[0032] S9: Observe the structural color of the mask formed on the surface of the ultrapure water, and adjust the liquid level by controlling the third electric push rod 22 to make the structural color uniform and transparent.

[0033] S10: When the mask on the surface of the ultrapure water is observed to be full, stop the liquid by the third electric push rod 22, and control the third electric push rod 22 to leave space for subsequent mask picking.

[0034] S11: Use tweezers to pick up the borosilicate glass substrate, stretch it into the ultrapure water from the edge of the culture dish, find the appropriate mask position, and slowly pick it out at an angle of 45°, and dry it at room temperature.

[0035] The time for completing the self-assembly of the small balls into a mask in S8 to S10 is within 2 minutes, the structural color of the mask produced is bright and uniform, and there is no obvious whitening and underwater white flocculation phenomenon caused by multiple layers of balls, and after being transferred to the substrate, it is observed under SEM as a uniform single-layer small ball mask.

[0036] Preferably, the nanospheres in the nanosphere solution in S1 include but are not limited to one or a combination of polystyrene nanospheres, silica nanospheres, polymethyl methacrylate nanospheres, and polyethylene nanospheres.

[0037] Preferably, the diameter of the nanospheres in S1 is 50 nm-10 μm.

[0038] Preferably, the dispersing agent in S1 includes but is not limited to alcohol solutions such as methanol, ethanol, and isopropanol.

[0039] Preferably, the mass ratio of the nanosphere solution to the dispersing agent in S1 is between 1:1 and 20:1.

[0040] Preferably, the modification treatment of the liquid drop meniscus and the substrate in S2 can use hydrogen peroxide water bath, plasma modification and other methods, which can improve the hydrophilicity of the material surface.

[0041] Preferably, the ratio of the meniscus height of the liquid drop meniscus to the original sphere radius in S2 is between 0 and 1, and the size can be used according to the actual use of the culture dish.

[0042] Preferably, the inner diameter of the flat needle in S3 is 0.2mm-1mm.

[0043] Preferably, the needle tube type in S3 and S4 includes but is not limited to 1ml, 2ml, 5ml, 10ml and 20ml standard needle tubes.

[0044] Preferably, the flow rate set in S4 is between 0.1ml / h and 5ml / h.

[0045] Preferably, the liquid drop angle in S5 is between 20° and 45°.

[0046] According to the use requirement, 1ml, 2ml, 5ml, 10ml and 20ml standard flat injection needle tubes 7 can be installed on the magnetic sleeve 8 in groups, when the flat injection needle tube 7 is needed, the gear 13 can be driven by the motor 19 to make the rack 20 drive the frame 6 to slide left and right, and the clamping strip 9 and the butt joint strip 10 are aligned with the flat injection needle tube 7 needed to be used, then the first electric push rod 4 is controlled to push the culture dish 16 upward to prepare the mask.

[0047] The above shows and describes the basic principle and main features of the present application and the advantages of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0048] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. An automatic device for preparing nanosphere masks by changing vertical syringes and lower liquid caps, including a mounting bracket (1), characterized in that: The lower end of the mounting bracket (1) is fixedly connected to a preparation platform (3), and a first electric push rod (4) is fixedly connected in the front square groove of the preparation platform (3). The telescopic end of the first electric push rod (4) is fixedly connected to a petri dish (16). The front end of the mounting bracket (1) is provided with a replacement component, which includes two sliding support rods (2), a frame (6), a rack (20), multiple mounting blocks (12), multiple magnetic sleeves (8), multiple flat-mouth injection needles (7), a second electric push rod (15), a sliding sleeve (18), a third electric push rod (22), a clamping strip (9), a docking strip (10), an electromagnetic suction block (21), a mounting base (14), a motor (19), and a gear (13). The two sliding support rods (2) are fixedly connected to the inner walls of the left and right sides of the front end of the mounting bracket (1). The frame (6) is slidably connected to the circumferential surface of one of the sliding support rods (2). The rack (20) is fixedly connected to the lower end of the frame (6). The multiple mounting blocks (12) are fixedly connected to the front end of the frame (6). The multiple magnetic sleeves (8) are respectively fixedly connected to the multiple mounting blocks (2). At the front end of 12), multiple flat-mouth injection needles (7) are slidably connected to multiple sets of magnetic sleeves (8). The second electric push rod (15) passes through and is fixedly connected to the front end of the mounting bracket (1). The sliding sleeve (18) is fixedly connected to the output end of the second electric push rod (15). The third electric push rod (22) is fixedly connected to the sliding sleeve (18). The clamping strip (9) is fixedly connected to the output end of the third electric push rod (22). The docking strip (10) is fixedly connected to the upper end of the sliding sleeve (18). The electromagnetic suction block (21) is fixedly connected to the lower front end of the docking strip (10). The mounting base (14) is fixedly connected to the upper end of the preparation table (3). The motor (19) is fixedly connected to the upper end of the mounting base (14). The gear (13) is fixedly connected to the output end of the motor (19). The gear (13) meshes with the rack (20).

2. The nanosphere mask fabrication device for automatically changing vertical syringes and lower liquid caps according to claim 1, characterized in that: The upper end of the docking bar (10) is fixedly connected to two support slide rods (11), and the clamping bar (9) is slidably connected to the two support slide rods (11). Limiting blocks are provided at the upper ends of the two support slide rods (11).

3. The nanosphere mask fabrication device for automatically changing vertical syringes and lower liquid caps according to claim 1, characterized in that: The upper end of the preparation platform (3) is fixedly connected to a sliding rod (17), and the sliding sleeve (18) is slidably connected to the sliding rod (17).

4. The nanosphere mask fabrication device for automatically changing vertical syringes and lower liquid caps according to claim 1, characterized in that: The rear end of the frame (6) is fixedly connected to a connecting slider (5), which is slidably connected to the mounting bracket (1).

5. The nanosphere mask fabrication device for automatically changing vertical syringes and lower liquid caps according to claim 1, characterized in that: The front end of the clamping bar (9) is provided with a magnetic suction layer, and the flat-mouth injection needle (7) is made of metal material.

6. The nanosphere mask fabrication device for automatically changing vertical syringes and lower liquid caps according to claim 1, characterized in that: The clamping bar (9) cooperates with multiple flat-mouth injection needles (7).