Positioning and detection fixture

Abstract

This application relates to a positioning and inspection fixture, belonging to the field of substrate quality inspection tooling equipment. It addresses the problem of difficulty in stably and accurately positioning precision electronic components at a specific angle for observation during inspection. The positioning and inspection fixture includes a base and a cover plate. The base has an adjacent detection surface and a positioning surface, with a first included angle between the detection surface and the positioning surface greater than 90° and less than 135°. The base has a detection groove at the edge of the positioning surface near the detection surface, the detection groove being set at an angle corresponding to the tilt of the positioning surface and used for positioning and mounting a preset object. The detection groove has an adjacent positioning opening and a detection opening, the positioning opening being located on the positioning surface and the detection opening being located on the detection surface. The cover plate is located at the positioning surface and detachably connected to the base, used for positioning the preset object through the positioning opening.

Description

Technical Field

[0001] This application relates to the field of substrate quality inspection tooling equipment, and in particular to a positioning and inspection fixture. Background Technology

[0002] In the field of precision electronic component testing, especially during scanning electron microscopy (SEM) observation of substrates such as camera substrates with gold wires, operators often need to temporarily construct simple fixing devices and use non-standard methods such as tape to fix the samples. This method is not only cumbersome and time-consuming, but also makes it difficult to guarantee the accuracy and stability of sample positioning. Due to the lack of specialized fixtures, samples are prone to displacement or tilting during observation, resulting in unsatisfactory observation angles and affecting the accuracy of the test results. Utility Model Content

[0003] This application provides a positioning and testing fixture to solve the problem that precision electronic components are difficult to position stably and accurately at a specific angle for observation during the testing process.

[0004] Some embodiments of this application provide a positioning and detection fixture, including a base member and a cover plate member. The base member has an adjacent detection surface and a positioning surface, the first included angle between the detection surface and the positioning surface being greater than 90° and less than 135°. The base member has a detection groove at the edge of the positioning surface near the detection surface, the detection groove being set at an inclination angle corresponding to the positioning surface and used for positioning and installing a preset object. The detection groove has an adjacent positioning opening and a detection opening, the positioning opening being set on the positioning surface and the detection opening being set on the detection surface. The cover plate member is disposed at the positioning surface and detachably connected to the base member, used for positioning the preset object through the positioning opening.

[0005] Optionally, the detection groove includes a positioning groove and a first clearance groove. Along a direction perpendicular to the positioning surface, the base component has a communicating positioning groove and a first clearance groove sequentially arranged from the outside to the inside of the positioning surface, with a positioning opening on the side of the positioning groove opposite to the first clearance groove. At least one detection opening is provided on the detection surface on the side of the positioning groove facing the detection surface for detecting a preset object within the positioning groove.

[0006] Optionally, the side of the positioning groove facing the detection surface has a detection opening on the detection surface, and the side of the first clearance groove facing the detection surface has a detection opening on the detection surface.

[0007] Optionally, the detection groove includes a second clearance groove, and the base component has the second clearance groove provided on the positioning surface. In a plane parallel to the positioning surface, the second clearance groove is located on one side of the positioning groove and communicates with the positioning groove.

[0008] Optionally, the base component has four detection slots. The first detection slot consists of a positioning slot and a first clearance slot. The second detection slot consists of a positioning slot, a first clearance slot, and a second clearance slot, with the second clearance slot located on opposite sides of the positioning slot along a first direction, parallel to the positioning surface. The third detection slot consists of a positioning slot, a first clearance slot, and a second clearance slot, with the second clearance slot located on one side of the positioning slot along a second direction, perpendicular to the first direction and parallel to the positioning surface. The fourth detection slot consists of a positioning slot, a first clearance slot, and a second clearance slot, with the second clearance slot located on the other side of the positioning slot along the second direction. The four detection slots are spaced apart along the second direction.

[0009] Optionally, the base component has at least two detection slots, and the detection slots include at least one of four types. The first type of detection slot consists of a positioning slot and a first clearance slot. The second type of detection slot consists of a positioning slot, a first clearance slot, and a second clearance slot, with the second clearance slot located on opposite sides of the positioning slot along a first direction, and the first direction being parallel to the positioning surface. The third type of detection slot consists of a positioning slot, a first clearance slot, and a second clearance slot, with the second clearance slot located on one side of the positioning slot along a second direction, the second direction being perpendicular to the first direction and parallel to the positioning surface. The fourth type of detection slot consists of a positioning slot, a first clearance slot, and a second clearance slot, with the second clearance slot located on the other side of the positioning slot along a second direction. One type of detection slot is spaced apart along the second direction.

[0010] Optionally, the first included angle can be in the range of 100°-110° or 110°-120°.

[0011] Optionally, the second angle formed by the detection surface and the vertical direction can be in the range of 85°-90° or 90°-95°.

[0012] Optionally, the positioning surface is located below the detection surface.

[0013] Optionally, the cover plate component includes a cover plate body, a positioning protrusion, and a buffer pad. The cover plate body and the base component are detachably connected on one side of the positioning surface. The positioning protrusion is located on the side of the cover plate body facing the positioning surface and is connected to the cover plate body; the positioning protrusion is correspondingly positioned to the detection groove. A buffer pad is connected to the side of the positioning protrusion facing the detection groove; the buffer pad is used to press against the preset object.

[0014] Optionally, the positioning and testing fixture includes at least two spaced positioning rods, which are connected to one of the base member and the cover plate body. The other of the base member and the cover plate body has at least two positioning holes. Between the positioning surface 12 and the cover plate body 21, each positioning rod is used to insert and fit into one positioning hole.

[0015] Optionally, the positioning and detection fixture includes at least two first magnetic elements and at least two second magnetic elements. The base component has at least two first holes on its positioning surface, each containing one first magnetic element. The cover plate body has at least two second holes on its side facing the positioning surface, each containing one second magnetic element. Along the axial direction of the first holes, each first magnetic element is at least partially aligned with one second magnetic element, and there is an attractive force between them.

[0016] The technical solutions provided in this application have the following advantages compared with the prior art:

[0017] When the operator inserts the sample (i.e., the pre-defined object) into the detection groove through the positioning opening on the positioning surface side, the sample naturally adheres to the inner wall of the detection groove under the influence of gravity due to the obtuse angle between the detection surface and the positioning surface. The detachable cover plate, connected to the positioning surface, further precisely positions the pre-defined object within the detection groove, ensuring its stable fixation. The angled design between the detection surface and the positioning surface allows the scanning electron microscope probe to acquire surface morphology data of the pre-defined object at the optimal incident angle, while avoiding the problems of localized obstruction and inaccurate positioning caused by traditional adhesive tape fixation.

[0018] Traditional methods of fixing samples with tape cannot guarantee positioning accuracy, and repeated application can damage the sample surface. This solution, however, achieves precise positioning in a single pass through a mechanical clamping structure and a specific angle. Existing simple devices lack a dedicated detection slot, leading to sample displacement risks; this fixture significantly improves fixation reliability by utilizing the geometric constraint of the detection slot. Furthermore, the detachable cover plate design greatly improves the efficiency of replacing pre-set objects, making it particularly suitable for batch testing scenarios.

[0019] Through the above technical solution, this application achieves rapid clamping and multi-angle stable fixation of preset objects. The double-opening structure of the detection slot allows operators to intuitively observe the sample loading status, avoiding positioning deviations caused by blind spots in traditional devices. Furthermore, it can be used in conjunction with a cover plate to further improve the stable positioning of preset objects, making it more suitable for the high-precision detection requirements of microelectronic devices. Attached Figure Description

[0020] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0022] Figure 1 This is a three-dimensional structural diagram of the positioning and detection fixture provided in the embodiments of this application;

[0023] Figure 2 for Figure 1 A three-dimensional structural diagram of the base component and the preset object shown in the figure;

[0024] Figure 3 for Figure 2 A three-dimensional structural schematic diagram of the base component shown in the figure;

[0025] Figure 4 for Figure 3 A magnified view of a portion of point A in the middle;

[0026] Figure 5 for Figure 3 A top view of the base component shown;

[0027] Figure 6 for Figure 2 A three-dimensional structural diagram of the preset object shown in the figure;

[0028] Figure 7 for Figure 3 A magnified view of a portion of point B in the middle;

[0029] Figure 8 for Figure 1 The diagram shows an exploded view of the cover plate facing the base plate.

[0030] Icon labels:

[0031] 100. Positioning and detection fixture;

[0032] 10. Base component; 11. Inspection surface; 12. Positioning surface; 13. Inspection groove; 131. Positioning opening; 132. Inspection opening; 133. Positioning groove; 134. First clearance groove; 135. Second clearance groove; 14. Positioning rod; 15. First hole; 16. Insertion hole;

[0033] 20. Cover plate component; 21. Cover plate body; 22. Positioning protrusion; 23. Buffer pad; 24. Positioning hole; 25. Second hole;

[0034] 30. First magnetic component; 40. Second magnetic component;

[0035] Y, first direction; X, second direction; α, first included angle;

[0036] 200. Preset objects. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0038] The following provides many different embodiments or examples for implementing different structures of this application. To simplify the scheme of this application, the components and arrangements of specific examples are described below. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0039] For ease of description, spatial relative terms may be used in the text to describe the relative position or movement of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "front," "back," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure undergoes a positional flip, orientation change, or change of motion, these directional indications will change accordingly. For instance, an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptors used in the text will be interpreted accordingly.

[0040] In the field of precision electronic component testing, especially during scanning electron microscopy (SEM) observation of substrates such as camera substrates with gold wires, operators often need to temporarily construct simple fixing devices and use non-standard methods such as tape to fix the samples. This method is not only cumbersome and time-consuming, but also makes it difficult to guarantee the accuracy and stability of sample positioning. Due to the lack of specialized fixtures, samples are prone to displacement or tilting during observation, resulting in unsatisfactory observation angles and affecting the accuracy of the test results.

[0041] Based on this, such as Figures 1 to 8 As shown, this application provides a positioning and testing fixture to solve the problem that precision electronic components are difficult to position stably and accurately at a specific angle for observation during the testing process.

[0042] like Figure 1 and Figure 2 As shown, the positioning and detection fixture 100 includes a base component 10 and a cover plate component 20. The base component 10 has an adjacent detection surface 11 and a positioning surface 12, and the first included angle α formed by the detection surface 11 and the positioning surface 12 is greater than 90° and less than 135°. The base component 10 has a detection groove 13 at the edge of the positioning surface 12 near the detection surface 11. The detection groove 13 is set at the inclination angle of the positioning surface 12 and is used for positioning and installing the preset object 200. Figure 3 , Figure 4 and Figure 5 As shown, the detection groove 13 has a positioning opening 131 and a detection opening 132 arranged adjacent to each other. The positioning opening 131 is disposed on the positioning surface 12, and the detection opening 132 is disposed on the detection surface 11. The cover plate 20 is disposed at the positioning surface 12 and detachably connected to the base plate 10, and is used to position the preset object 200 through the positioning opening 131.

[0043] The detection surface 11 is generally horizontal, so that the positioning surface 12, which forms an angle of 90°-135° with the detection surface 11, is tilted and facing upwards. In this case, the detection groove 13, which is positioned corresponding to the tilt angle of the positioning surface 12, after accommodating the preset object 200, has one side of the preset object tilted upwards at its edge, rather than facing left, right, or front and back. At this time, by setting an image acquisition device above the detection surface 11 or through manual observation, the image acquisition device can obtain an observation image of the preset object 200 at a suitable angle, or the inspector can directly observe the location of the preset object 200 that needs to be detected.

[0044] like Figure 6 As shown, taking a chip connected to one side of a substrate via gold wires as an example, since it is necessary to detect multiple connecting gold wires around the chip, if the detection slot 13 (such as...) Figure 2 As shown, the substrate is set perpendicular to the front-back or left-right direction. The side of the substrate with the chip is set in the detection slot 13 and faces forward, backward, left or right. The image acquisition device or inspector located above the detection surface 11 can only acquire side images of the chip, gold wire and substrate, but cannot acquire front images of the substrate with the chip, thus affecting the accuracy of the quality inspection results.

[0045] However, the present application provides a tilted positioning surface 12 and a tilted detection groove 13 on the positioning surface 12 corresponding to its tilt angle for positioning and installing the preset object 200. After the base component 10 and the cover plate component 20 position the preset object 200 in the detection groove 13, an image of one side of the preset object 200 can be observed through the detection opening 132 provided at the detection surface 11.

[0046] For example, when an operator inserts a sample (i.e., the pre-defined object 200) into the detection groove 13 through the positioning opening 131 on the positioning surface 12 side, the sample naturally adheres to the inner wall of the detection groove 13 under the action of gravity because the detection surface 11 and the positioning surface 12 form an obtuse angle structure. The cover plate 20, which is detachably connected to the positioning surface 12, can further precisely position the pre-defined object 200 in the detection groove 13, so that the pre-defined object 200 can be stably fixed in the detection groove 13. The angle design between the detection surface 11 and the positioning surface 12 allows the scanning electron microscope probe to acquire surface morphology data of the pre-defined object at the optimal incident angle, while avoiding the problems of partial obstruction and inaccurate positioning caused by traditional tape fixation.

[0047] Traditional methods of fixing samples with tape cannot guarantee positioning accuracy, and repeated application can damage the sample surface. This solution, however, achieves precise positioning in a single pass through a mechanical clamping structure and a specific angle. Existing simple devices lack a dedicated detection groove 13, leading to sample displacement risks. This fixture significantly improves fixing reliability by utilizing the geometric constraint of the detection groove 13. Furthermore, the detachable cover plate 20 greatly improves the efficiency of replacing the pre-set object 200, making it particularly suitable for batch testing scenarios.

[0048] Through the above technical solution, this application achieves rapid clamping and multi-angle stable fixation of the sample (i.e., the preset object 200). The double-opening structure of the detection slot 13 allows the operator to intuitively observe the sample loading status, avoiding positioning deviations caused by blind spots in traditional devices. Furthermore, it can be used in conjunction with the cover plate 20 to further improve the stable positioning of the preset object, making it more suitable for the high-precision detection requirements of microelectronic devices.

[0049] like Figure 2 As shown, the range of the second angle between the detection surface 11 and the vertical direction Z is 85°-90° or 90°-95°. The second angle refers to the smallest angle between the vertical direction Z and the detection surface 11. By setting the second angle β to 85°-90° or 90°-95°, the detection surface 11 is set perpendicularly or approximately perpendicularly to the vertical direction, which facilitates the observation of the preset object through the detection opening 132.

[0050] It should be noted that, taking a straight line parallel to the vertical direction Z and intersecting the detection surface 11 as an example, if the vertical direction Z is not perpendicular to the detection surface 11, then the angle between the vertical projection of the straight line onto the detection surface 11 and the straight line itself is the second angle. If the vertical direction Z is perpendicular to the detection surface 11, then the vertical projection of the straight line onto the detection surface 11 is a point, and the second angle between the two is 90°.

[0051] The positioning surface 12 is located below the detection surface 11, so that the positioning surface 12, which has an obtuse angle with the detection surface 11, is inclined downwards.

[0052] The first included angle α between the detection surface 11 and the positioning surface 12 can be any value between 90° and 135°, such as 90°, 95°, 100°, 105°, 110°, 115°, 120°, 125°, 130°, or 135°. If the first included angle α is too small, it will prevent the acquisition of image information of the preset object 200 (such as the side surface with gold wire). If the first included angle α is too large, it will affect the observation depth at the detection opening 132. That is, by setting the first included angle α to 90°-135°, it is beneficial to observe the front of the preset object 200, and it can also avoid the reduction of the observation depth at the detection opening 132, which would affect the detection effect.

[0053] Furthermore, the value range of the first included angle α can be set to 100°-110° or 110°-120°. Taking the detection surface 11 as a horizontal plane as an example, by setting the first included angle between the detection surface 11 and the positioning surface 12 to 100°-110° or 110°-120°, it is possible to avoid the excessively large included angle affecting the detection depth of the preset object 200 in the detection groove 13, and also to better observe the corresponding position of the preset object 200 on the front.

[0054] In some embodiments, such as Figure 4 and Figure 5 As shown, the detection groove 13 includes a positioning groove 133 and a first clearance groove 134. Along a direction perpendicular to the positioning surface 12, the base member 10 sequentially provides a communicating positioning groove 133 and a first clearance groove 134 from the outside to the inside of the positioning surface 12. The side of the positioning groove 133 opposite to the first clearance groove 134 is a positioning opening 131. At least the side of the positioning groove 133 facing the detection surface 11 has a detection opening 132 on the detection surface 11 for detecting a preset object 200 within the positioning groove 133.

[0055] The positioning groove 133 refers to the groove structure provided on the positioning surface 12, and the first clearance groove 134 refers to the groove structure provided inside the positioning groove 133. The size of the first clearance groove 134 can be set smaller than the size of the positioning groove 133, so as to form a step structure between the bottom wall of the positioning groove 133 and the first clearance groove 134.

[0056] Since the substrate and other pre-defined objects 200 are mostly double-layered structures, that is, electronic components are installed on both opposite sides of the substrate. By setting the first clearance groove 134, the larger electronic components on one side (such as the back side) of the pre-defined object 200 can be accommodated in the first clearance groove 134, while the peripheral edge of the substrate is supported at the stepped structure, thereby avoiding the larger electronic components on the back side from being squeezed and damaged, or affecting the positioning accuracy of the pre-defined object 200.

[0057] Specifically, the positioning opening 131 and the first clearance groove 134 are located on opposite sides of the positioning groove 133.

[0058] The side of the positioning groove 133 facing the detection surface 11 has a detection opening 132. That is, the detection opening 132 can be opened on the detection surface 11 at the position corresponding to the positioning groove 133, so as to detect the corresponding area of ​​the preset object 200 through the detection opening 132.

[0059] Correspondingly, a detection opening 132 is provided on the detection surface 11 on the side of the first clearance groove 134 facing the detection surface 11. That is, a detection opening 132 can also be provided on the detection surface 11 at the position corresponding to the first clearance groove 134. In this case, the preset object 200 can also be picked up and put down through the detection opening 132, which is more convenient.

[0060] In addition, such as Figure 5 and Figure 7 As shown, the detection groove 13 also includes a second clearance groove 135, and the base member 10 is provided with the second clearance groove 135 on the positioning surface 12. In a plane parallel to the positioning surface 12, the second clearance groove 135 is located on one side of the positioning groove 133 and communicates with the positioning groove 133.

[0061] The second clearance groove 135 refers to an auxiliary groove structure added to the side of the positioning groove 133. This groove is used to provide clearance space for the lateral extension of the preset object 200 in a plane parallel to the positioning surface 12, so as to avoid positioning deviation caused by structural interference during installation.

[0062] Specifically, when the preset object has a lateral protrusion or an asymmetrical shape, the second clearance groove 135 can accommodate its local structure that extends beyond the positioning groove 133. For example, in the scenario of gold wire detection on a camera substrate, if there are solder joints or reinforcing components on the edge of the substrate, or if the chip structure is located near one end of the substrate, the second clearance groove 135 can allow it to naturally embed into the base member 10, ensuring that the main body of the substrate (i.e., the part of the substrate where the chip is located) is located within the positioning groove 133, so as to accurately detect the gold wire structure around the chip.

[0063] In some embodiments, such as Figure 4 , Figure 5 and Figure 7As shown, the base component 10 has four detection slots 13. The four detection slots 13 are distributed at intervals along the second direction X. The first detection slot 13 consists of a positioning slot 133 and a first clearance slot 134. The second detection slot 13 consists of a positioning slot 133, a first clearance slot 134, and a second clearance slot 135, with the second clearance slot 135 located on opposite sides of the detection opening 132 along the first direction Y, which is parallel to the positioning surface 12. Taking the detection opening located on the upper side of the positioning slot 133 as an example, the second clearance slot 135 is located on the lower side of the positioning slot 133.

[0064] The third detection slot 13 consists of a positioning slot 133, a first clearance slot 134, and a second clearance slot 135. The second clearance slot 135 is located on one side of the positioning slot 133 along the second direction X, which is perpendicular to the first direction Y and parallel to the positioning surface 12. The fourth detection slot 13 consists of a positioning slot 133, a first clearance slot 134, and a second clearance slot 135. The second clearance slot 135 is located on the other side of the positioning slot 133 along the second direction X. That is, the second clearance slots 135 at the third and fourth detection slots 13 are located on the left and right sides of the detection slot 13, respectively.

[0065] Four detection grooves 13 are arranged sequentially along the second direction X on the surface of the base component 10, and each detection groove 13 has a different configuration. The first detection groove 13 only includes a positioning groove 133 and a first clearance groove 134, which is suitable for detecting a standard preset object 200, or for extending one end of the preset object 200 out of the positioning groove 133 through the detection opening 132, and placing the main body of the preset object 200 with the chip inside the positioning groove 133.

[0066] The second detection groove 13 is provided with a first clearance groove 134 and a second clearance groove 135 on both sides of the positioning groove 133 along the first direction Y, so as to insert one end of the preset object 200 toward the side away from the detection opening 132, and to place the main body of the preset object 200 with the chip in the positioning groove 133.

[0067] The third and fourth detection slots 13 are respectively provided with second clearance slots 135 on both sides of the positioning slot 133 in the second direction X (such as the left and right direction), forming a mirror symmetrical structure, which is used to adapt to the leftward or rightward extension of the end of the preset object 200.

[0068] Thus, by arranging four detection slots 13 at intervals along the X-axis, operators can perform positioning and detection of the multi-sided gold wire structure of a uniform preset object 200 on the same base piece 10. This satisfies the positioning and installation requirements of the preset object 200 at different angles, facilitating detection at these angles. In other words, by combining multiple detection slots 13, the detection needs of the preset object at different angles and directions are covered, thereby improving the applicability of the positioning and detection fixture 100.

[0069] Alternatively, preset objects 200 at different angles can be placed sequentially in the four detection slots 13 on the same base component 10 to facilitate simultaneous detection of the four preset objects 200 at four different angles. This eliminates the need for repeated sample position adjustments, allowing for the detection of multiple angles and multiple preset objects 200, significantly improving operational and detection efficiency.

[0070] In some other embodiments, the base member 10 may also be provided with two, three, four or more detection slots 13, and the types of detection slots 13 provided on the base member 10 include at least one of four types. That is, at least two detection slots 13 can be one, two or more of the following four types of detection slots 13.

[0071] The first type of detection groove 13 consists of a positioning groove 133 and a first clearance groove 134.

[0072] The second type of detection groove 13 is composed of a positioning groove 133, a first clearance groove 134 and a second clearance groove 135, and the second clearance groove 135 is located on opposite sides of the positioning groove 133 along the first direction Y and the detection opening 132, and the first direction Y is set parallel to the positioning surface 12.

[0073] The third type of detection groove 13 consists of a positioning groove 133, a first clearance groove 134, and a second clearance groove 135. The second clearance groove 135 is located on one side of the positioning groove 133 along the second direction X, which is perpendicular to the first direction Y and parallel to the positioning surface 12. The fourth type of detection groove 13 consists of a positioning groove 133, a first clearance groove 134, and a second clearance groove 135. The second clearance groove 135 is located on the other side of the positioning groove 133 along the second direction X. One type of detection groove 13 is distributed at intervals along the second direction X.

[0074] For example, the number of detection slots 13 provided on the base member 10 can be adjusted as needed, and the setting position of the second clearance slot 135 in the detection slot 13 can be adjusted as needed, or the second clearance slot 135 can be omitted.

[0075] For example, there can be four base components 10, with four first-type detection slots 13, four second-type detection slots 13, four third-type detection slots 13, and four fourth-type detection slots 13 arranged sequentially on the four base components 10. In this way, multiple (e.g., four) preset objects 200 can be batch-tested at the same angle using one base component 10, and by replacing different base components 10, a pipeline testing mode can be achieved for multiple (e.g., 16) preset objects 200 at different angles, thereby improving the batch testing efficiency of multiple preset objects 200.

[0076] In some embodiments, such as Figure 8As shown, the cover plate component 20 includes a cover plate body 21, a positioning protrusion 22, and a buffer pad 23. (Combined with...) Figure 2 The cover plate body 21 and the base piece 10 are detachably connected on one side of the positioning surface 12. The positioning protrusion 22 is located on the side of the cover plate body 21 facing the positioning surface 12 and is connected to the cover plate body 21. The positioning protrusion 22 is correspondingly set with the detection groove 13. A buffer pad 23 is connected to the side of the positioning protrusion 22 facing the detection groove 13. The buffer pad 23 is used to press against the preset object.

[0077] The cover body 21 refers to a plate-like structure for detachably covering the positioning surface 12. Positioning protrusions 22 are provided on the inner side of the cover body 21 facing the positioning surface 12, so that each positioning protrusion 22 can be correspondingly positioned with each detection groove 13. When the cover body 21 covers the positioning surface 12, one positioning protrusion 22 is inserted and fitted into one detection groove 13 to contact the preset object 200 within the detection groove 13, so that the preset object 200 can be stably held within the detection groove 13.

[0078] The positioning protrusion 22 and the cover plate body 21 can be integrally formed, such as by casting or turning. Alternatively, the positioning protrusion 22 can be installed at the corresponding position of each detection groove 13 on the cover plate body 21 by welding, screw connection or snap-fit.

[0079] Based on this, a buffer pad 23 is provided on the side of the positioning protrusion 22 facing the detection groove 13. That is, a buffer pad 23, which is a flexible contact component, such as silicone or rubber material, is provided at the end of the positioning protrusion 22. The positioning protrusion 22 and the buffer pad 23 are connected by snap-fit ​​or adhesive method, thereby avoiding the positioning protrusion 22 from directly squeezing and contacting the preset object 200 and causing damage. In other words, the buffer pad 23 is provided to absorb the impact force during the squeezing of the positioning preset object 200 to avoid damage to the preset object 200.

[0080] For example, when the cover plate body 21 is connected to the base member 10, the position of the positioning protrusion 22 is aligned with the detection groove 13, and the buffer pad 23 extends into the detection groove 13 and contacts the surface of the preset object 200 to compress and position the preset object 200. Through the fastening action of the cover plate body 21, the buffer pad 23 applies a uniform compressive force to the preset object 200, making it stably fixed in the detection groove 13. Since the buffer pad 23 has elastic deformation capability, it can adapt to the surface shape of the preset object during the compression process, avoiding local stress concentration caused by rigid contact. This structure can adapt to preset objects of different sizes or shapes while achieving reliable positioning.

[0081] This design replaces rigid fixing with the elastic contact of the buffer pad 23, ensuring a uniform distribution of the compressive force while avoiding sample deformation or scratches caused by rigid contact. Simultaneously, the corresponding design of the positioning protrusion 22 and the detection groove 13 simplifies the installation and positioning process of the preset object 200. The force of gravity on the cover body 21 allows the buffer pad 23 to elastically contact the preset object 200, providing uniform support to the preset object 200 under compression and ensuring its stable posture during testing. The correspondence between the positioning protrusion 22 and the detection groove 13 further improves assembly accuracy, enabling operators to quickly load samples and significantly improving testing efficiency.

[0082] To facilitate the quick positioning and installation of the cover plate 20, such as Figure 2 and Figure 8 As shown, the positioning and testing fixture 100 also includes at least two spaced positioning rods 14. The positioning rods 14 are connected to one of the base member 10 and the cover member 20. The other of the base member 10 and the cover member 20 is provided with at least two positioning holes 24. Each positioning rod 14 is inserted into and adapted to one positioning hole 24, and the buffer pad 23 is located in the testing groove 13.

[0083] The positioning rod 14 is a columnar structure used to align the positioning surface 12 of the cover plate body 21 with the positioning surface 12 of the base component 10. Its diameter can form a clearance fit with the positioning hole 24, such as the diameter of the positioning rod 14 being smaller than or slightly smaller than the inner diameter of the positioning hole 24. The spaced distribution design can eliminate positional deviations during assembly through the two-point positioning principle.

[0084] For example, such as Figure 8 As shown, two positioning holes 24 can be opened on the cover plate body 21 for inserting and fitting two positioning rods 14. Figure 2 and Figure 3 As shown, at the positioning surface 12 of the base component 10, the base component 10 is provided with a plug hole 16 corresponding to the positioning hole 24. A positioning rod 14 is inserted into a plug hole 16 and connected to the base component 10, so that the cover plate body 21 can be adapted to the positioning hole 24 by the plugging of the positioning rod 14, so as to provide positioning pressure on the preset object 200 in the detection groove 13 through the buffer pad 23 on the inclined positioning surface 12.

[0085] Alternatively, the positioning rod 14 and the base piece 10 can be connected by welding without needing to create a insertion hole at the positioning surface 12. The base piece 10 and the positioning rod 14 can also be manufactured as a single piece. Alternatively, the insertion hole 16 can be a threaded hole, and the end of the positioning rod 14 can be a threaded rod, allowing the positioning rod 14 to be detachably connected to the insertion hole 16.

[0086] Thus, when the cover body 21 needs to be assembled with the base component 10, the positioning rod 14 will be precisely inserted into the corresponding positioning hole 24. This plug-in mating relationship can restrict the movement and rotation of the cover body 21 in the horizontal plane, ensuring that the positioning protrusion 22 and the buffer pad 23 are always aligned with the detection groove 13. When the cover body 21 is closed, the positioning protrusion 22 drives the buffer pad 23 to contact the surface of the preset object 200 with constant pressure.

[0087] The base component 10 and the cover plate component 20 can be made of metal. In particular, the higher density and weight of the cover plate component 20 facilitates the use of its own gravity to compress and position the pre-set object 200 within the detection groove 13. Alternatively, the base component 10 and the cover plate component 20 can also be made of engineering plastics or other materials with high strength.

[0088] In some embodiments, such as Figure 3 and Figure 8 As shown, the positioning and detection fixture 100 also includes at least two first magnetic elements 30 and at least two second magnetic elements 40. Combined with... Figure 2 The base component 10 has at least two first holes 15 on the positioning surface 12, and a first magnetic component 30 is installed in each first hole 15. The cover plate body 21 has at least two second holes 25 on the side facing the positioning surface 12, and a second magnetic component 40 is installed in each second hole 25.

[0089] Along the axial direction of the first hole 15, each first magnetic element 30 is at least partially aligned with a second magnetic element 40 and there is an attractive force between them.

[0090] The first magnetic element 30 refers to the magnetic element embedded inside the positioning surface 12 of the base member 10, and the second magnetic element 40 refers to the magnetic element embedded inside the cover plate body 21. The positioning rod 14 is inserted into and adapted to the positioning hole 24, so that the first hole 15 and the second hole 25 are at least partially aligned axially. This ensures that the first magnetic element 30 and the second magnetic element 40, located within the first hole 15 and the second hole 25, are at least partially aligned, and the two magnetic poles of the two magnetic elements are opposite to each other, providing magnetic attraction between the base member 10 and the cover plate body 21. This increases the positioning pressure exerted on the preset object 200 by the buffer pad 23, thereby ensuring that the preset object 200 within the detection groove 13 remains stable and has good positional and angular accuracy.

[0091] It should be noted that when the positioning rod 14 is inserted and fitted into the positioning hole 24, the area of ​​the buffer pad 23 is set to correspond to or is smaller than the area of ​​the first clearance groove 134. This ensures that during the pressing and contacting of the preset object 200, the buffer pad 23 can only contact a small portion of the chip area on the preset object 200, avoiding excessive contact and obstruction or compression of the gold wire structure by the buffer pad 23, which could affect the detection effect or reduce the product qualification rate.

[0092] Regarding the detection opening 132 and the positioning opening 131, when the detection groove 13 includes a positioning groove 133, a first clearance groove 134, and a second clearance groove 135, the detection surface 11 can be provided with a connected detection opening 132 corresponding to the positioning groove 133, the first clearance groove 134, and the second clearance groove 135, and the positioning surface 12 can also be provided with a connected positioning opening 131 corresponding to the positioning groove 133 and the second clearance groove 135, so as to facilitate the placement and detection of the preset object 200. The bottom walls of the positioning groove 133 and the second clearance groove 135 opposite to the positioning opening 131 can be coplanar.

[0093] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0094] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0095] The above are merely specific embodiments of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A positioning and detection fixture, characterized in that, include: A base component (10) has an adjacent detection surface (11) and a positioning surface (12), the first included angle (α) formed by the detection surface (11) and the positioning surface (12) is greater than 90° and less than 135°; the base component (10) has a detection groove (13) at the edge of the positioning surface (12) near the detection surface (11), the detection groove (13) is set at the inclination angle of the positioning surface (12) and is used for positioning and installing a preset object (200); the detection groove (13) has an adjacent positioning opening (131) and a detection opening (132), the positioning opening (131) is set on the positioning surface (12) and the detection opening (132) is set on the detection surface (11); And a cover plate (20), which is disposed at the positioning surface (12) and detachably connected to the base (10) for positioning the preset object (200) through the positioning opening (131).

2. The positioning and detection fixture according to claim 1, characterized in that, The detection slot (13) includes a positioning slot (133) and a first clearance slot (134); Along the direction perpendicular to the positioning surface (12), the base member (10) is provided with the positioning groove (133) and the first clearance groove (134) connected from the outside to the inside on the positioning surface (12), and the side of the positioning groove (133) opposite to the first clearance groove (134) is the positioning opening (131). At least one side of the positioning groove (133) facing the detection surface (11) has the detection opening (132) on the detection surface (11) for detecting the preset object (200) in the positioning groove (133).

3. The positioning and detection fixture according to claim 2, characterized in that, The positioning groove (133) has a detection opening (132) on the detection surface (11) on the side facing the detection surface (11), and the first clearance groove (134) has a detection opening (132) on the detection surface (11) on the side facing the detection surface (11).

4. The positioning and detection fixture according to claim 2, characterized in that, The detection groove (13) includes a second clearance groove (135), and the base member (10) is provided with the second clearance groove (135) on the positioning surface (12); In a plane parallel to the positioning surface (12), the second clearance groove (135) is located on one side of the positioning groove (133) and communicates with the positioning groove (133).

5. The positioning and detection fixture according to claim 4, characterized in that, The base component (10) is provided with four detection slots (13); The first detection slot (13) is composed of the positioning slot (133) and the first clearance slot (134); The second detection groove (13) is composed of the positioning groove (133), the first clearance groove (134) and the second clearance groove (135), and the second clearance groove (135) is located on opposite sides of the positioning groove (133) along the first direction (Y) and the detection opening (132), and the first direction (Y) is parallel to the positioning surface (12); The third detection groove (13) is composed of the positioning groove (133), the first clearance groove (134) and the second clearance groove (135), and the second clearance groove (135) is located on one side of the positioning groove (133) along the second direction (X), and the second direction (X) is perpendicular to the first direction (Y) and parallel to the positioning surface (12); The fourth detection slot (13) is composed of the positioning slot (133), the first clearance slot (134) and the second clearance slot (135), and the second clearance slot (135) is located on the other side of the positioning slot (133) along the second direction (X); The four detection slots (13) are spaced apart along the second direction (X).

6. The positioning and detection fixture according to claim 4, characterized in that, The base component (10) is provided with at least two of the detection grooves (13), and the types of the detection grooves (13) include at least one of four types; The first detection groove (13) is composed of the positioning groove (133) and the first clearance groove (134); The second type of detection groove (13) is composed of the positioning groove (133), the first clearance groove (134) and the second clearance groove (135), and the second clearance groove (135) is located on opposite sides of the positioning groove (133) along the first direction (Y) and the detection opening (132), and the first direction (Y) is parallel to the positioning surface (12); The third type of detection groove (13) is composed of the positioning groove (133), the first clearance groove (134) and the second clearance groove (135), and the second clearance groove (135) is located on one side of the positioning groove (133) along the second direction (X), and the second direction (X) is perpendicular to the first direction (Y) and parallel to the positioning surface (12); The fourth type of detection groove (13) is composed of the positioning groove (133), the first clearance groove (134) and the second clearance groove (135), and the second clearance groove (135) is located on the other side of the positioning groove (133) along the second direction (X); One of the detection slots (13) is distributed at intervals along the second direction (X).

7. The positioning and detection fixture according to any one of claims 1-6, characterized in that, The first included angle (α) ranges from 100° to 110° or from 110° to 120°; and / or, The second angle formed by the detection surface (11) and the vertical direction ranges from 85° to 90° or from 90° to 95°; and / or, The positioning surface (12) is located below the detection surface (11).

8. The positioning and detection fixture according to any one of claims 1-6, characterized in that, The cover plate (20) includes: The cover plate body (21) is detachably connected to the base piece (10) on one side of the positioning surface (12); A positioning protrusion (22) is located on the side of the cover plate body (21) facing the positioning surface (12) and connected to the cover plate body (21). The positioning protrusion (22) is correspondingly provided with the detection groove (13). And a buffer pad (23), the positioning protrusion (22) is connected to the buffer pad (23) on the side facing the detection groove (13), the buffer pad (23) is used to squeeze and contact the preset object (200).

9. The positioning and detection fixture according to claim 8, characterized in that, The positioning and detection fixture includes: At least two spaced positioning rods (14) are provided, the positioning rods (14) being connected to one of the base member (10) and the cover plate body (21), and the other of the base member (10) and the cover plate body (21) is provided with at least two positioning holes (24). Between the positioning surface 12 and the cover plate body 21, each positioning rod (14) is used to insert and adapt to one of the positioning holes (24).

10. The positioning and detection fixture according to claim 8, characterized in that, The positioning and detection fixture includes: At least two first magnetic elements (30) are provided, and the base member (10) has at least two first holes (15) on the positioning surface (12), and one first magnetic element (30) is installed in each first hole (15); And at least two second magnetic elements (40), the cover plate body (21) is provided with at least two second holes (25) on the side facing the positioning surface (12), and a second magnetic element (40) is installed in each second hole (25); Along the axial direction of the first hole (15), each of the first magnetic elements (30) is at least partially aligned with one of the second magnetic elements (40) and there is an adsorption force between them.

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