Chip mounting tool for chip sample rod

Abstract

The application discloses a chip mounting tool for a chip sample rod, which comprises a sample rod, a sliding block sleeve is arranged on one side of the sample rod, one end of the sample rod penetrates through the sliding block sleeve and extends to the inside, a limiting knob is threadedly connected to the sliding block sleeve, a positioning knob is threadedly connected to the end face of one end of the sliding block sleeve, two positioning pins are fixedly connected to the sliding block sleeve, an alignment block matched with the two positioning pins is arranged on the sliding block sleeve, a first screw is arranged above the alignment block, and the sample rod is located between the sliding block sleeve and the alignment block. Through the combination of the sliding block and the alignment block, the chip can be conveniently and accurately installed, the screw only needs to be gently thrown into the funnel opening during the installation of the screw, the screw can be accurately dropped to the determined thread, and the installation efficiency is greatly improved; meanwhile, the chip or the experimental sample can not be damaged due to the screw falling.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of transmission electron microscope accessories and in-situ measurement research of nanomaterials, and more particularly, to a chip mounting tool for a chip sample rod. BACKGROUND

[0002] In the past 20 years, spherical aberration-corrected transmission electron microscopy has made great progress in atomic-scale characterization with excellent spatial resolution and time resolution, and has made outstanding contributions to the progress of science and technology in the fields of physics, chemistry, materials science, electronic information, and semiconductors. This has also prompted researchers to raise more questions, making in-situ field loading technology one of the current research hotspots.

[0003] In order to deeply understand the changes of material microstructure under various external fields, many domestic and foreign enterprises and research institutions have developed different types of in-situ sample rods for real-time observation and research, which helps researchers understand materials from the root. At the same time, due to the limitations of the millimeter-level space and micron-level observation area of the transmission electron microscope, in order to integrate various desired functions, researchers use modern integrated circuit processing methods to develop MEMS chips with various functions. After the sample is carried on the chip by FIB and other methods and transferred to the in-situ sample rod, it is inserted into the transmission electron microscope to realize in-situ observation. The entire installation process must be very careful, and slight vibration may cause damage to the sample. An alignment installation tool is needed to protect the sample during the fixation of the chip.

[0004] Therefore, we propose a chip mounting tool for a chip sample rod to solve the above problems. SUMMARY

[0005] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present application provide a chip mounting tool for a chip sample rod to solve the problems raised in the background art.

[0006] To achieve the above object, the present application provides the following technical scheme: a chip mounting tool for a chip sample rod, comprising a sample rod, one side of the sample rod is provided with a sliding block sleeve, one end of the sample rod passes through the sliding block sleeve and extends to the inside;

[0007] A limiting knob is threadedly connected to the sliding block sleeve, and a positioning knob is threadedly connected to the end face of one end of the sliding block sleeve;

[0008] Two positioning pins are fixedly connected to the sliding block sleeve, and an alignment block matched with the two positioning pins is arranged on the sliding block sleeve, a first screw is arranged above the alignment block, and the sample rod is located between the sliding block sleeve and the alignment block.

[0009] In the device, the combination of the sliding block and the alignment block can conveniently align and install the screw; when installing the screw, the screw only needs to be gently thrown into the funnel opening, so that the screw can be accurately dropped into the determined thread and kept in an upright posture, greatly improving the installation efficiency, and preventing the chip or experimental sample from being damaged due to the screw falling.

[0010] In a preferred embodiment, the sliding block sleeve is provided with a sliding groove matched with the sample rod, the sliding block sleeve is provided with an opening, the opening is located on one side of the sliding groove, and the positioning knob is located on one side of the opening.

[0011] In a preferred embodiment, the sliding block sleeve is provided with a limiting groove, and the sample rod is fixedly connected with a limiting rod matched with the limiting groove.

[0012] In a preferred embodiment, the alignment block is provided with a clamping groove, the alignment block is provided with a positioning through hole matched with the positioning pin, the alignment block is provided with an alignment table, and the first screw is located above the alignment table.

[0013] In a preferred embodiment, the alignment table is in the shape of a circular truncated cone and is provided with a one-slot hole for facilitating the use of tweezers, the upper end of the alignment table has a larger diameter than the lower end, and the lower end of the alignment table has a larger diameter than the first screw.

[0014] In a preferred embodiment, the tweezers hold the first screw, and the screw cap of the first screw is gently placed on the alignment table with the screw cap facing upwards, so that the first screw slides into the screw hole on the sample rod.

[0015] In a preferred embodiment, the sliding block sleeve is in sliding fit with the front end of the sample rod.

[0016] In a preferred embodiment, the through hole on the alignment table has a size that is 2-5 silk larger than the diameter of the first screw cap at the minimum.

[0017] In a preferred embodiment, the alignment table can be made of a high polymer material or a metal material.

[0018] In a preferred embodiment, the alignment table aligns with the chip screw hole of the sample rod, and the lower end of the alignment table is slightly higher than the surface of the chip of the sample rod.

[0019] The technical effects and advantages of the present application are as follows:

[0020] The device can conveniently align and install the screw through the combination of the sliding block and the alignment block; when installing the screw, the screw only needs to be gently thrown into the funnel opening, so that the screw can be accurately dropped into the determined thread and kept in an upright posture, greatly improving the installation efficiency, and preventing the chip or experimental sample from being damaged due to the screw falling. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure described in Embodiment 1 of the present invention;

[0022] Figure 2 This is a schematic diagram of the first-view structure described in Embodiment 1 of the present invention;

[0023] Figure 3 This is a schematic diagram of the second-view structure described in Embodiment 1 of the present invention;

[0024] Figure 4 This is a schematic diagram of the partially exploded structure described in Embodiment 1 of the present invention;

[0025] Figure 5 This is a schematic diagram of a partial connection structure as described in Embodiment 1 of the present invention;

[0026] Figure 6 This is a schematic diagram of the connection structure of the alignment block described in Embodiment 1 of the present invention;

[0027] Figure 7 for Figure 6 A schematic diagram of the connection structure viewed from below;

[0028] Figure 8 This is a schematic diagram of the structure described in Embodiment 2 of the present invention;

[0029] Figure 9 This is a schematic diagram of a partial connection structure as described in Embodiment 2 of the present invention;

[0030] Figure 10 for Figure 9 A schematic diagram of the decomposed structure;

[0031] Figure 11 for Figure 1 A schematic diagram of the connection structure viewed from below.

[0032] The attached figures are labeled as follows: 1 Sample rod, 2 Slider sleeve, 3 Limiting knob, 4 Positioning knob, 5 Positioning pin, 6 Slide groove, 7 Opening, 8 Limiting groove, 9 Limiting rod, 10 Alignment block, 11 Slot, 12 Positioning through hole, 13 Alignment platform, 14 First screw, 15 Fastening knob, 16 Placement block, 17 Positioning guide rail, 18 Positioning block, 19 Positioning groove, 20 Funnel platform, 21 Second screw, 22 Fixing knob, 23 Slide platform. Detailed Implementation

[0033] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0034] Referring to Figures 1-7 A chip mounting tool for a chip sample rod comprises a sample rod 1, a sliding sleeve 2 arranged on one side of the sample rod 1, the sliding sleeve 2 being in sliding fit with the front end of the sample rod 1, one end of the sample rod 1 extending into the sliding sleeve 2, a sliding groove 6 arranged on the sliding sleeve 2 and matched with the sample rod 1, an opening 7 arranged on the sliding sleeve 2 and located on one side of the sliding groove 6, and a positioning knob 4 located on one side of the opening 7, wherein the sliding groove 6 is a circular groove, and the size of the sliding groove 6 is consistent with the diameter of the front end of the sample rod 1, so as to constrain the movement in Y and Z directions.

[0035] A plane is arranged on the sliding sleeve 2 and is coplanar with the frame of the front end of the sample rod 1, so as to constrain the rotation in R direction.

[0036] The positioning knob 4 is threadedly connected to the end face of the sliding sleeve 2 and is used to determine the position in X direction; meanwhile, the positioning knob 4 is used to constrain the movement in X direction.

[0037] The sliding sleeve 2 is provided with a limiting groove 8, and the sample rod 1 is fixedly connected with a limiting rod 9 matched with the limiting groove 8; the sliding sleeve 2 is threadedly connected with a limiting knob 3, wherein the limiting knob 3 is used to fix the sample rod 1.

[0038] The sliding sleeve 2 is fixedly connected with two positioning pins 5, and the alignment block 10 is provided with a clamping groove 11 and a positioning through hole 12 matched with the positioning pins 5, wherein the positioning pins 5 are used to co-line the threaded holes of the chip to be positioned.

[0039] The sliding sleeve 2 is provided with an alignment block 10 matched with the two positioning pins, and the alignment block 10 is provided with an alignment table 13, a first screw 14 being located above the alignment table 13; the alignment table 13 is in the shape of a circular truncated cone and is provided with a slot hole; the diameter of the upper end of the alignment table 13 is greater than that of the lower end; the diameter of the lower end of the alignment table 13 is greater than that of the first screw 14; the size of the through hole of the alignment table 13 at the minimum point is greater than the diameter of the cap of the first screw 14 by 2-5 threads; the alignment table 13 can be made of a high polymer material or a metal material; the alignment table 13 is used to align the threaded holes of the chip of the sample rod 1; and the lower end plane of the alignment table 13 is slightly higher than the surface of the chip of the sample rod 1.

[0040] The upper part of the alignment block 10 is provided with the first screw 14, the sample rod 1 is between the sliding block sleeve 2 and the alignment block 10, the tweezers clamps the first screw 14, and the screw cap of the first screw 14 is gently placed upward in the alignment table 13. The first screw 14 slides into the screw hole on the sample rod 1. The positioning pin 5 is finely adjusted so that the sliding block sleeve 2 slides relative to the sample rod 1. The through hole on the alignment table 13 is observed from the top to ensure that the screw hole below can be completely seen. The limiting knob 3 is tightened to fix the sample rod 1 and the sliding block sleeve 2 so that they no longer slide relative to each other.

[0041] In the device, first, the worker places the sample rod 1 into the sliding block sleeve 2. Then, the positioning pin 5 is finely adjusted so that the sliding block sleeve 2 slides relative to the sample rod 1. The alignment table 13 is observed from the top to ensure that the screw hole on the sample rod 1 can be completely seen. Then, the worker tightens the limiting knob 3 to fix the sample rod 1 and the sliding block sleeve 2 so that they no longer slide relative to each other.

[0042] Then, the worker uses the tweezers to clamp the first screw 14 and gently places the screw cap of the first screw 14 upward in the alignment table 13. The first screw 14 slides into the screw hole. This process does not damage the chip because the first screw 14 falls down. It also does not need to carefully align the threaded hole on the sample rod 1, thereby greatly improving the success rate of loading the sample. Then, the screw is tightened vertically using a screwdriver.

[0043] Finally, when the first screw 14 is removed, the screwdriver is used to loosen the first screw 14. The tweezers are placed along the slot in the alignment table 13. The screw can be quickly removed, and the chip is not damaged.

[0044] Reference Figures 8-11 A chip mounting tool for a chip-type sample rod includes a sample rod 1, a tightening knob 15, a placement block 16, a positioning guide rail 17, and a sliding table 23. The tightening knob 15 is sleeved on the sliding table 23, and the sliding table 23 is composed of a cylinder and a semicylinder. The cylinder and the semicylinder are integrally formed, and the sample rod 1 is connected with a limiting rod 9. The cylinder is provided with a limiting groove 8 matched with the limiting rod 9. The tightening knob 15 is sleeved on the cylinder. When the worker rotates the tightening knob 15, the sample rod 1 is limited.

[0045] The placing block 16 is connected with one end of the half cylinder, and the positioning guide rail 17 is located at the upper end of the placing block 16, and the upper end of the positioning guide rail 17 is provided with a positioning block 18, and the positioning block 18 is provided with a positioning groove 19 matched with the sample rod 1, the positioning groove 19 is matched with the positioning guide rail 17, and the upper side of the positioning block 18 is provided with a second screw 21, and the positioning block 18 is provided with a funnel table 20, the funnel table 20 is in the shape of a circular table and is provided with a slot hole for facilitating the use of tweezers, the upper end of the funnel table 20 has a larger diameter than the lower end, the lower end of the funnel table 20 has a larger diameter than the second screw 21, the minimum size of the through hole of the funnel table 20 is larger than the diameter of the cap of the first and second screws 14 by 2-5 threads, the funnel table 20 can be made of a high polymer material or a metal material, the funnel table 20 is aligned with the chip screw hole of the sample rod 1, and the lower end of the funnel table 20 is slightly higher than the surface of the chip of the sample rod 1.

[0046] Meanwhile, the side wall of the positioning block 18 is threadedly connected with a fixing knob 22, and when the staff rotates the fixing knob 22, the sample rod 1 and the device can be fixed.

[0047] In the device, first, the staff places the sample rod 1 into the sliding table 23, and then places the positioning block 18 onto the placing block 16, so that the positioning guide rail 17 is located in the positioning groove 19, then the positioning block 18 is moved, and then the funnel table 20 is observed from above to ensure that the screw hole on the sample rod 1 can be completely seen, then the staff tightens the fixing knob 22 to fix the sample rod 1 and the device so that they do not slide relative to each other;

[0048] Then the staff uses tweezers to hold the second screw 21, and gently places the screw cap of the second screw 21 upward in the funnel table 20, and the second screw 21 slides into the screw hole; this process will not damage the chip due to the falling of the second screw 21, and it is not necessary to carefully align the threaded hole on the sample rod 1, thereby greatly improving the success rate of loading the sample, and then the screw is tightened vertically using a screwdriver;

[0049] Finally, when the second screw 21 is taken out, the screwdriver is used to loosen the second screw 21, and the tweezers are used along the slot in the funnel table 20, so that the screw can be taken out quickly and the chip is not damaged.

[0050] Finally, it should be pointed out that in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms “installation”, “connection”, “connection” should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, “up”, “down”, “left”, “right” and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0051] Secondly: the embodiment of the present application discloses only the structure related to the embodiment of the present application, other structures can refer to the general design, and in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0052] Finally: the above only for the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A chip mounting tool for a chip sample rod, comprising a sample rod (1), characterized by; One side of the sample rod (1) is provided with a sliding block sleeve (2), one end of the sample rod (1) passes through the sliding block sleeve (2) and extends to the inside; A limiting knob (3) is threadedly connected to the sliding block sleeve (2), and a positioning knob (4) is threadedly connected to the end face of one end of the sliding block sleeve (2); Two positioning pins (5) are fixedly connected to the sliding block sleeve (2), and an alignment block (10) matched with the two positioning pins is arranged on the sliding block sleeve (2), and the sample rod (1) is located between the sliding block sleeve (2) and the alignment block (10); A sliding groove (6) matched with the sample rod (1) is arranged on the sliding block sleeve (2), and an opening (7) is arranged on the sliding block sleeve (2), the opening (7) is located on one side of the sliding groove (6), and the positioning knob (4) is located on one side of the opening (7); The alignment block (10) is provided with a clamping groove (11), a positioning through hole (12) matched with the positioning pin (5) is arranged on the alignment block (10), and an alignment table (13) is arranged on the alignment block (10), and the first screw (14) is located above the alignment table (13); The alignment table (13) aligns with the chip screw hole of the sample rod (1), and the lower end plane of the alignment table (13) is slightly higher than the chip surface of the sample rod (1).

2. The chip mounting tool for a chip sample rod according to claim 1, characterized by: The sliding block sleeve (2) is provided with a limiting groove (8), and the sample rod (1) is fixedly connected with a limiting rod (9) matched with the limiting groove (8).

3. The chip mounting tool for a chip sample rod according to claim 1, characterized by: The alignment table (13) is in the shape of a circular truncated cone and is provided with a one-slot hole for facilitating the use of tweezers, the upper end diameter of the alignment table (13) is greater than the lower end diameter, and the lower end diameter of the alignment table (13) is greater than the diameter of the first screw (14).

4. The chip mounting tool for a chip sample rod according to claim 3, characterized by: The tweezers hold the first screw (14), and the screw cap of the first screw (14) is gently placed in the alignment table (13) with the cap facing up, and the first screw (14) slides into the screw hole on the sample rod (1).

5. The chip mounting tool for a chip sample rod according to claim 1, characterized by: The sliding block sleeve (2) and the front end of the sample rod (1) are in sliding fit.

6. The chip mounting tool for a chip sample rod according to claim 1, characterized by: The minimum size of the through hole on the alignment table (13) is greater than the diameter of the cap of the first screw (14) by 2-5 threads.

7. The chip mounting tool for a chip sample rod according to claim 1, characterized by: The alignment table (13) can be made of high polymer material or metal material.

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