CN218995182U - Micro-nano grating cathode assembly detection jig - Google Patents
Micro-nano grating cathode assembly detection jig Download PDFInfo
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- CN218995182U CN218995182U CN202320141672.9U CN202320141672U CN218995182U CN 218995182 U CN218995182 U CN 218995182U CN 202320141672 U CN202320141672 U CN 202320141672U CN 218995182 U CN218995182 U CN 218995182U
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Abstract
The utility model discloses a micro-nano grating cathode component detection jig, which relates to the technical field of detection jigs and comprises a jig body, wherein a circular bearing groove is formed in the upper surface of the jig body, a component to be detected is placed in the bearing groove, a circular boss coaxial with the bearing groove is arranged on the lower surface of the jig body, the circular boss is used for being rotatably arranged in a groove in the center of an objective table, a circular groove coaxial with the bearing groove is formed in the bottom surface of the bearing groove, and a through hole penetrating through the jig body and the circular boss is formed in the bottom surface of the circular groove. The micro-nano grating cathode component detection jig provided by the utility model replaces frequent manual adjustment, is convenient for the operation of the detection process, improves the detection efficiency, reduces the contact in the detection process, and protects the surface of a product from being damaged.
Description
Technical Field
The utility model relates to the technical field of detection jigs, in particular to a micro-nano grating cathode assembly detection jig.
Background
As an important component of the ultra-second generation low-light night vision device, a micro-nano grating cathode Assembly (AVGG) is formed by bonding an anti-halation glass input window 1 and a micro-nano grating substrate 2 (shown in fig. 1). When appearance inspection is carried out, the assembly is required to be placed on a microscope stage, the horizontal position and the vertical height of the sample stage are manually adjusted, and the sample stage is focused on a detection area for observation.
The manual product placement position is not fixed, the repeatability is poor, the component detection area can not be ensured to be within the visual range of the objective lens when the product is placed each time, and the objective table horizontal direction knob is often required to be adjusted. Meanwhile, when a single product is observed, the appearance quality of the whole facet is observed due to the limited imaging area of the microscope, and the x-axis knob and the y-axis knob in the horizontal direction are required to be synchronously adjusted, so that the whole sample rotates on the object stage for detection once. The action needs to be matched with left and right hands of an inspector, the x-axis knob and the y-axis knob of the microscope are respectively adjusted, the operation difficulty is high, and the human body fatigue is easily caused by long-term maintenance of the action detection.
Therefore, under the current operation condition, after the focusing of the vertical direction is fixed, when each AVGG product is subjected to appearance inspection, the horizontal position of the objective table is required to be repeatedly adjusted for many times, in addition, the detection process of a single product also needs to be matched with two hands to adjust the position of the sample to be inspected, the operation difficulty is high, and the detection efficiency is low. In addition, when the product is detected, the large surface is in direct contact with the object stage, and the surface of the product is easy to pollute and scratch.
Disclosure of Invention
The utility model aims to provide a micro-nano grating cathode component detection jig, which solves the problems in the prior art, replaces frequent manual adjustment, facilitates the operation of a detection process, improves the detection efficiency, reduces the contact in the detection process, and protects the surface of a product from being damaged.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a micro-nano grating cathode component detection jig which comprises a jig body, wherein a circular bearing groove is formed in the upper surface of the jig body, a component to be detected is placed in the bearing groove, a circular boss coaxial with the bearing groove is arranged on the lower surface of the jig body, the circular boss is used for being rotatably arranged in a groove in the center of an objective table, a circular groove coaxial with the bearing groove is formed in the bottom surface of the bearing groove, and a through hole penetrating through the jig body and the circular boss is formed in the bottom surface of the circular groove.
Preferably, when the component to be detected is placed in the bearing groove, the upper surface of the jig body is lower than the upper end of the component to be detected.
Preferably, when the component to be inspected is placed in the bearing groove, the height of the jig body is enough to enable the surface to be inspected of the component to be inspected to be within the focal length range of the microscope lens.
Preferably, the height of the circular boss is less than or equal to the depth of the groove in the center of the stage.
Preferably, the circular boss is in clearance fit with a groove in the center of the stage.
Preferably, the diameter of the circular boss is 0.5 mm-1 mm smaller than the diameter of the groove in the center of the objective table.
Preferably, the jig body is cylindrical, and the bearing groove and the jig body are coaxially arranged.
Preferably, the jig body and the circular boss are of an integrally formed structure.
Preferably, the jig body is a jig made of flexible materials.
Compared with the prior art, the utility model has the following technical effects:
the utility model provides a micro-nano grating cathode component detection jig, which is characterized in that a component to be detected is placed in a bearing groove, only the edge of the bottom of the component to be detected is in contact with the jig, the rest positions are suspended, the contact area of the component to be detected and the jig is reduced, pollution and scratch caused by direct contact of the component to be detected and a microscope objective table are avoided, the surface of the component to be detected is protected, the jig is placed on the objective table, and a circular boss is embedded in the groove in the center of the objective table. After the jig is used, only the first product is required to be placed into the bearing groove during each inspection, the position of the objective table and the position of the jig body on the objective table are fixed, and the subsequent products can be directly placed into the bearing groove for observation without adjusting the horizontal positions one by one. Meanwhile, when the same sample is observed, the whole surface inspection is realized without adjusting the x-axis knob and the y-axis knob simultaneously, the jig body is directly rotated on the object stage by one hand to drive the component to be inspected to rotate, so that the surface quality of the whole product can be observed, frequent manual adjustment is replaced, the operation of the detection process is convenient, and the inspection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural bonding diagram of a micro-nano grating cathode assembly;
fig. 2 is a schematic diagram of a three-dimensional structure of a micro-nano grating cathode assembly detection fixture provided by the utility model;
FIG. 3 is a schematic view of another perspective view of the micro-nano grating cathode assembly inspection jig according to the present utility model;
FIG. 4 is a schematic diagram of a use process of the micro-nano grating cathode assembly detection jig provided by the utility model;
in the figure: 1-halation-preventing glass input window, 2-micro-nano grating substrate, 3-jig body, 4-bearing groove, 5-round boss, 6-objective table, 7-groove, 8-round groove, 9-through hole and 10-component to be inspected.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a micro-nano grating cathode component detection jig, which solves the problems in the prior art, replaces frequent manual adjustment, facilitates the operation of a detection process, improves the detection efficiency, reduces the contact in the detection process, and protects the surface of a product from being damaged.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 2-4, the embodiment provides a micro-nano grating cathode assembly detection jig, which comprises a jig body 3, wherein the upper surface of the jig body 3 is provided with a circular bearing groove 4, the bearing groove 4 is internally used for placing an assembly to be detected 10, the lower surface of the jig body 3 is provided with a circular boss 5 coaxial with the bearing groove 4, the circular boss 5 is used for being rotationally arranged in a groove 7 in the center of an objective table 6, the bottom surface of the bearing groove 4 is provided with a circular groove 8 coaxial with the bearing groove 4, and the bottom surface of the circular groove 8 is provided with a through hole 9 penetrating through the jig body 3 and the circular boss 5.
When the micro-nano grating cathode assembly is used, the assembly to be detected 10 (micro-nano grating cathode assembly finished product) is placed into the bearing groove 4 in a large-surface downward mode, at the moment, only the edge of the bottom of the assembly to be detected 10 is in contact with the jig, the rest positions are suspended, the contact area with the jig is reduced, pollution and scratch caused by direct contact between the assembly to be detected 10 and the microscope objective table 6 are avoided, the surface of the assembly to be detected 10 is protected, and then the jig is placed on the objective table 6, so that the circular boss 5 is just embedded into the groove 7 in the center of the objective table 6. After the jig is used, the first product is only required to be placed into the bearing groove 4 and adjusted to be within the visual field range during each inspection, the positions of the object stage 6 and the jig body 3 on the object stage are fixed, the subsequent products can be directly placed into the bearing groove 4 for observation after being switched, the horizontal positions do not need to be adjusted one by one, the repeatability is higher, and the detection efficiency is improved; meanwhile, when the same sample is observed, the whole surface inspection is not required to be realized by simultaneously adjusting the x-axis knob and the y-axis knob, the jig body 3 on the direct single-hand rotary objective table 6 is used for driving the to-be-inspected assembly 10 to rotate, so that the surface quality of the whole product can be observed, frequent manual adjustment is replaced, the operation is simpler and more convenient, the burden of inspection personnel is also reduced, the operation of the inspection process is convenient, and the inspection efficiency is improved.
In this embodiment, when the component to be inspected 10 is placed in the bearing groove 4, the upper surface of the jig body 3 is lower than the upper end of the component to be inspected 10, so that the upper surface of the component to be inspected 10 protrudes from the upper surface of the jig body 3, so as to facilitate observation.
In this embodiment, when the component to be inspected 10 is disposed in the bearing groove 4, the height of the jig body 3 is sufficient to enable the surface to be inspected of the component to be inspected 10 to be within the focal length range of the microscope lens. If the height of the jig body 3 is too high, the lens which is not focused on the surface of the product can collide with the upper surface of the product; the height of the jig body 3 is too low, so that the carried sample cannot fall into the focusing range.
In this embodiment, the height of the circular boss 5 is less than or equal to the depth of the groove 7 in the center of the stage 6, so that the circular boss 5 is prevented from protruding downward beyond the stage 6.
In this embodiment, the circular boss 5 is in clearance fit with the groove 7 in the center of the objective table 6, so as to ensure that the jig body 3 can smoothly rotate on the objective table 6.
In this embodiment, the diameter of the circular boss 5 is 0.5mm to 1mm, preferably 0.5mm, smaller than the diameter of the recess 7 in the center of the stage 6.
In this embodiment, the jig body 3 is cylindrical, and the carrying groove 4 and the jig body 3 are coaxially disposed.
In this embodiment, the jig body 3 and the circular boss 5 are integrally formed, and the manufacturing is convenient.
In this embodiment, the jig body 3 is a jig made of flexible material, and will not damage the glass product. The flexible material comprises polytetrafluoroethylene, PEEK, polyimide and other flexible materials.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (9)
1. The utility model provides a little receives grating cathode assembly detection tool which characterized in that: including the tool body, tool body upper surface is equipped with circular bearing groove, be used for placing in the bearing groove and wait to examine the subassembly, tool body lower surface be equipped with bear groove coaxial circular boss, circular boss is used for rotating to set up in the recess at objective table center, bear the groove bottom surface be equipped with bear groove coaxial circular groove, circular groove bottom surface be equipped with run through the tool body with circular boss's through-hole.
2. The micro-nano grating cathode assembly detection jig according to claim 1, wherein: when the component to be detected is arranged in the bearing groove, the upper surface of the jig body is lower than the upper end of the component to be detected.
3. The micro-nano grating cathode assembly detection jig according to claim 1, wherein: when the component to be inspected is arranged in the bearing groove, the height of the jig body is satisfied to enable the surface to be inspected of the component to be inspected to be in the focal length range of the microscope lens.
4. The micro-nano grating cathode assembly detection jig according to claim 1, wherein: the height of the circular boss is smaller than or equal to the depth of the groove in the center of the objective table.
5. The micro-nano grating cathode assembly detection jig according to claim 1, wherein: the circular boss is in clearance fit with a groove in the center of the objective table.
6. The micro-nano grating cathode assembly detection jig according to claim 5, wherein: the diameter of the circular boss is 0.5 mm-1 mm smaller than that of the groove in the center of the objective table.
7. The micro-nano grating cathode assembly detection jig according to claim 1, wherein: the jig body is cylindrical, and the bearing groove and the jig body are coaxially arranged.
8. The micro-nano grating cathode assembly detection jig according to claim 1, wherein: the jig body and the circular boss are of an integrated structure.
9. The micro-nano grating cathode assembly detection jig according to claim 1, wherein: the jig body is a jig made of flexible materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320141672.9U CN218995182U (en) | 2023-02-07 | 2023-02-07 | Micro-nano grating cathode assembly detection jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320141672.9U CN218995182U (en) | 2023-02-07 | 2023-02-07 | Micro-nano grating cathode assembly detection jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218995182U true CN218995182U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320141672.9U Active CN218995182U (en) | 2023-02-07 | 2023-02-07 | Micro-nano grating cathode assembly detection jig |
Country Status (1)
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|---|---|
| CN (1) | CN218995182U (en) |
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2023
- 2023-02-07 CN CN202320141672.9U patent/CN218995182U/en active Active
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