CN218226355U

CN218226355U - Chip mounting tool for chip type sample rod

Info

Publication number: CN218226355U
Application number: CN202222439933.3U
Authority: CN
Inventors: 李海鑫; 段占京; 李志鹏
Original assignee: Baishichuang Beijing Technology Co ltd
Current assignee: Baishichuang Beijing Technology Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-01-06
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses a chip mounting tool for chip type sample rod, including the sample rod, one side of sample rod is equipped with the slider cover, the one end of sample rod is passed the slider cover and is extended to inside, threaded connection has spacing knob on the slider cover, threaded connection has the location knob on the one end terminal surface of slider cover, two location of fixedly connected with are slightly on the slider cover, be equipped with on the slider cover with two location slightly assorted alignment blocks, the top of aiming at the block is equipped with first screw, the sample rod is located the slider cover and aims at between the block. The utility model discloses, through the slider and the combination of aiming at the piece, can be convenient aim at the mounting screw, only need during the mounting screw to throw the screw gently the flare opening, can guarantee that the screw can accurately fall to definite screw thread department to keep upright gesture, improved the installation effectiveness greatly, make installation chip process can not destroy chip or experimental sample because the screw is emptyd simultaneously.

Description

Chip mounting tool for chip type sample rod

Technical Field

The utility model relates to a transmission electron microscope accessory and nano-material normal position measurement research technical field, more specifically say, the utility model relates to a chip formula is chip installation frock for sample rod.

Background

In recent 20 years, the spherical aberration correction transmission electron microscope technology makes great progress on atomic scale representation with excellent spatial resolution and time resolution, and makes outstanding contribution to the technological progress in the fields of physics, chemistry, material science, electronic information, semiconductors and the like. This also prompted researchers to raise more questions, making in-situ outfield loading techniques one of the hot spots under investigation.

In order to deeply understand the change of the microstructure of the material under various external field loads, different types of in-situ sample rods are developed by various enterprises and scientific research units at home and abroad for in-situ real-time observation and research, which is helpful for researchers to understand the material from the root. Meanwhile, due to the limitation of millimeter-scale space and micron-scale observation area of a transmission electron microscope, in order to integrate various desired functions, researchers use modern integrated circuit processing methods to develop MEMS chips with various functions. And carrying a sample on the chip by modes of FIB and the like, transferring the sample to an in-situ sample rod, and then inserting the sample into a transmission electron microscope to realize in-situ observation. The entire installation process is very careful and slight vibration can cause damage to the sample. An alignment installation tool is needed to protect the sample during the process of fixing the chip.

Therefore, a chip mounting tool for a chip sample rod is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a chip mounting tool for chip type sample rod to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a chip mounting tool for a chip type sample rod comprises the sample rod, wherein a sliding block sleeve is arranged on one side of the sample rod, and one end of the sample rod penetrates through the sliding block sleeve and extends into the sample rod;

the sliding block sleeve is in threaded connection with a limiting knob, and the end face of one end of the sliding block sleeve is in threaded connection with a positioning knob;

the sample rod comprises a sliding block sleeve and is characterized in that 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.

In the device, the screw can be conveniently aligned and installed by combining the sliding block and the alignment block; only need during the installation screw lose the screw gently to the flare opening, can guarantee that the screw can accurately fall to definite screw thread department to keep upright gesture, improved the installation effectiveness greatly, make simultaneously that the installation chip process can not be because the screw emptys and destroys chip or experimental sample.

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

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.

In a preferred embodiment, a clamping groove is formed in the aligning block, a positioning through hole slightly matched with the positioning is formed in the aligning block, an aligning table is arranged on the aligning block, and the first screw is located above the aligning table.

In a preferred embodiment, the alignment table is in a circular truncated cone shape and is provided with a straight slotted hole for facilitating the use of tweezers, the diameter of the upper end of the alignment table is larger than that of the lower end of the alignment table, and the diameter of the lower end of the alignment table is larger than that of the first screw.

In a preferred embodiment, the forceps hold the first screw, place the nut of the first screw gently facing up in the alignment stage, and slide the first screw into the screw hole on the sample shaft.

In a preferred embodiment, the slide sleeve is slidably engaged with the front end of the sample rod, and may be made of a polymer material or a metal material.

In a preferred embodiment, the smallest dimension of the through hole in the alignment table is 2-5 wires larger than the first turnbuckle diameter.

In a preferred embodiment, the alignment stage may be made of a polymer material or a metal material.

In a preferred embodiment, the alignment stage is aligned with the sample rod chip screw hole, and the lower end plane of the alignment stage is slightly higher than the surface of the sample rod chip.

The utility model discloses a technological effect and advantage:

the device can conveniently align and install the screw through the combination of the sliding block and the aligning block; only need during the installation screw lose the funnel mouth gently the screw, can guarantee that the screw can accurately fall to definite screw thread department to keep upright gesture, improved the installation effectiveness greatly, make simultaneously that the installation chip process can not destroy chip or experimental sample because the screw emptys.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic view of a first viewing angle structure according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a second viewing angle according to a first embodiment of the present invention;

fig. 4 is a schematic view of a partially exploded structure according to a first embodiment of the present invention;

fig. 5 is a schematic view of a partial connection structure according to a first embodiment of the present invention;

fig. 6 is a schematic view of a connection structure of the alignment block according to a first embodiment of the present invention;

FIG. 7 is a schematic bottom view of the connection of FIG. 6;

fig. 8 is a schematic structural diagram according to a second embodiment of the present invention;

fig. 9 is a schematic view of a partial connection structure according to a second embodiment of the present invention;

FIG. 10 is an exploded view of FIG. 9;

fig. 11 is a schematic bottom view of the connection structure of fig. 1.

The reference signs are: 1 sample rod, 2 slider covers, 3 spacing knobs, 4 location knobs, 5 location slightly, 6 spout, 7 openings, 8 spacing grooves, 9 gag lever posts, 10 alignment blocks, 11 draw-in grooves, 12 positioning through holes, 13 alignment platforms, 14 first screws, 15 fastening knobs, 16 placement blocks, 17 positioning guide rails, 18 positioning blocks, 19 positioning grooves, 20 funnel platforms, 21 second screws, 22 fixing knobs, 23 sliding platforms.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-7, a chip mounting tool for a chip sample rod comprises a sample rod 1, wherein a slide block sleeve 2 is arranged on one side of the sample rod 1, the slide block sleeve 2 is in sliding fit with the front end of the sample rod 1, and is made of a high polymer material or a metal material, one end of the sample rod 1 penetrates through the slide block sleeve 2 and extends into the sample rod 1, a sliding groove 6 matched with the sample rod 1 is arranged on the slide block sleeve 2, an opening 7 is arranged on the slide block sleeve 3, the opening 7 is arranged on one side of the sliding groove 6, and a positioning knob 4 is arranged 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 that movement constraint in the Y and Z directions is realized;

the sliding block sleeve 2 is provided with a plane which is coplanar with the front end frame of the sample rod 1 and used as the restriction of the R rotating direction, and particularly, the positioning pin 5 is positioned on the plane

A positioning knob 4 is connected to the end face of one end of the sliding block sleeve 3 in a threaded manner and used for determining the position in the X direction; while the positioning knob 4 is constrained to move in the X direction.

Be equipped with spacing groove 8 on the slider cover 2, fixedly connected with and spacing groove 8 assorted gag lever post 9 on the sample pole 1, threaded connection has spacing knob 3 on the slider cover 3, and wherein spacing knob 3 plays the purpose of fixed sample pole 1.

Two positioning pins 5 are fixedly connected to the sliding block sleeve 3, a clamping groove 11 is formed in the aligning block 10, a positioning through hole 12 matched with the positioning pins 5 is formed in the aligning block 10, the positioning pins 5 are roughly adjusted, and the threaded holes of the chip and the two positioning pins 5 are made to be collinear.

The slider sleeve 3 is provided with two alignment blocks 10 which are slightly matched with two positioning blocks, the alignment blocks 10 are provided with alignment tables 13, first screws 14 are positioned above the alignment tables 13, the alignment tables 13 are in a circular table shape and are provided with straight slotted holes so as to be convenient for using tweezers, the diameter of the upper ends of the alignment tables 13 is larger than that of the lower ends of the alignment tables 13, the diameter of the lower ends of the alignment tables 13 is larger than that of the first screws 14, the minimum size of through holes on the alignment tables 13 is 2-5 threads larger than that of caps of the first screws 14, the alignment tables 13 can be made of high polymer materials or metal materials, the alignment tables 13 are aligned with screw holes of chips of the sample rod 1, and the plane of the lower ends of the alignment tables 13 is slightly higher than the surface of the chips of the sample rod 1.

The top of aiming at piece 10 is equipped with first screw 14, sample pole 1 is in slider cover 2 and aims at between the piece 10, first screw 14 of tweezers centre gripping, place first screw 14's nut up gently in aiming at platform 13, screw hole on the first screw 14 slips into sample pole 1, fine setting location is little 5, make slider cover 2 slide relative sample pole 1, look down the through-hole of observing aiming at platform 13, ensure can be complete see below screw hole, screw up limit knob 3, fixed sample pole 1 and slider cover 2, make it relative slip no longer to appear.

In the device, firstly, a worker places a sample rod 1 in a sliding block sleeve 2, finely adjusts a positioning pin 5 to enable the sliding block sleeve 2 to slide relative to the sample rod 1, and overlooks an observation alignment table 13 to ensure that a screw hole on the sample rod 1 can be completely seen, and then the worker tightens a limit knob 3 to fix the sample rod 1 and the sliding block sleeve so that relative sliding does not occur any more;

then, a worker uses tweezers to clamp the first screw 14, the nut of the first screw 14 is placed in the aligning table 13 upwards and lightly, and the first screw 14 slides into the screw hole; in the process, the chip cannot be damaged due to the falling of the first screw 14, and the screw hole on the sample rod 1 does not need to be aligned carefully, so that the success rate of loading the sample is greatly improved, and then a screwdriver is used for screwing the screw vertically;

finally, when the first screw 14 is taken out, the screwdriver is used for loosening the first screw 14, and the tweezers are arranged below the straight groove in the aligning table 13, so that the screw can be taken out quickly, and the chip is prevented from being damaged.

Example two:

referring to fig. 8-11, a chip mounting tool for a chip type sample rod comprises a sample rod 1, a fastening knob 15, a placing block 16, a positioning guide rail 17 and a sliding table 23, wherein the fastening knob 15 is sleeved on the sliding table 23, the sliding table 23 is composed of a cylinder and a semi-cylinder, the cylinder and the semi-cylinder are integrally formed, the sample rod 1 is connected with a limiting rod 9, a limiting groove 8 matched with the limiting rod 9 is formed in the cylinder, the fastening knob 15 is sleeved on the cylinder, and when a worker rotates the fastening knob 15, the sample rod 1 can be limited.

The funnel table 20 is in a circular table shape and is provided with a straight slotted hole so that tweezers can be conveniently used, the diameter of the upper end of the funnel table 20 is larger than that of the lower end of the funnel table 20, the smallest size of a through hole on the funnel table 20 is 2-5 threads larger than that of a first second screw 14 cap, the funnel table 20 can be made of high polymer materials or metal materials, the funnel table 20 is aligned with a chip screw hole of the sample rod 1, and the plane of the lower end of the funnel table 20 is slightly higher than the surface of a chip of the sample rod 1.

Meanwhile, the side wall of the positioning block 18 is in threaded connection with a fixing knob 22, and when a worker rotates the fixing knob 22, the sample rod 1 and the device can be fixed.

In the device, firstly, a worker places a sample rod 1 in a sliding table 23, then places a positioning block 18 on a placing block 16, so that a positioning guide rail 17 can be positioned in a positioning groove 19, then moves the positioning block 18, then looks down to observe a funnel table 20 to ensure that a screw hole on the sample rod 1 can be completely seen, and then the worker screws a fixing knob 22 to fix the sample rod 1 and the device so that relative sliding does not occur any more;

then, a worker uses tweezers to clamp the second screw 21, the nut of the second screw 21 is placed in the funnel table 20 upwards and lightly, and the second screw 21 slides into the screw hole; in the process, the chip cannot be damaged due to the falling of the second screw 21, and the screw hole on the sample rod 1 does not need to be aligned carefully, so that the success rate of loading the sample is greatly improved, and then a screwdriver is used for screwing the screw vertically;

finally, when the second screw 21 is taken out, the screwdriver is used for loosening the second screw 21, and the tweezers are arranged below the straight groove in the funnel table 20, so that the screw can be taken out quickly, and the chip is prevented from being damaged.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A chip mounting tool for a chip type sample rod comprises a sample rod (1) and is characterized in that the sample rod comprises a base; one side of the sample rod (1) is provided with a sliding block sleeve (2), and one end of the sample rod (1) penetrates through the sliding block sleeve (2) and extends into the sample rod;

a limiting knob (3) is connected to the sliding block sleeve (2) in a threaded manner, and a positioning knob (4) is connected to the end face of one end of the sliding block sleeve (2) in a threaded manner;

the sample rod adjusting device is characterized in that two positioning pins (5) are fixedly connected to the sliding block sleeve (2), an aligning block (10) which is matched with the two positioning pins is arranged on the sliding block sleeve (2), a first screw (14) is arranged above the aligning block (10), and the sample rod (1) is located between the sliding block sleeve (2) and the aligning block (10).

2. The chip mounting tool for the chip sample rod according to claim 1, wherein: the sample rod positioning device is characterized in that a sliding groove (6) matched with the sample rod (1) is formed in the sliding block sleeve (2), an opening (7) is formed in 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).

3. The chip mounting tool for the chip sample rod according to claim 1, wherein: the slide 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).

4. The chip mounting tool for the chip sample rod according to claim 1, wherein: be equipped with draw-in groove (11) on aiming at piece (10), be equipped with on aiming at piece (10) with location slightly (5) assorted positioning hole (12), be equipped with on aiming at piece (10) and aim at platform (13), first screw (14) are in the top of aiming at platform (13).

5. The chip mounting tool for the chip sample rod according to claim 4, wherein: the alignment table (13) is in a circular truncated cone shape and is provided with a slotted hole so as to be convenient for using tweezers, the diameter of the upper end of the alignment table (13) is larger than that of the lower end of the alignment table, and the diameter of the lower end of the alignment table (13) is larger than that of the first screw (14).

6. The chip mounting tool for the chip sample holder according to claim 5, wherein: the tweezers clamp the first screw (14), the nut of the first screw (14) is placed upwards and lightly in the alignment table (13), and the first screw (14) slides into the screw hole in the sample rod (1).

7. The chip mounting tool for the chip sample holder according to claim 4, wherein: the slide block sleeve (2) is in sliding fit with the front end of the sample rod (1) and can be made of high polymer materials or metal materials.

8. The chip mounting tool for the chip sample rod according to claim 4, wherein: the minimum size of the through hole on the alignment table (13) is 2-5 wires larger than the diameter of the first screw (14) cap.

9. The chip mounting tool for the chip sample rod according to claim 4, wherein: the alignment stage (13) can be made of a high polymer material or a metal material.

10. The chip mounting tool for the chip sample rod according to claim 4, wherein: aim at sample pole (1) chip screw in alignment platform (13), aim at platform (13) lower extreme plane and be a little higher than accurate sample pole (1) chip surface.