CN218240101U - Conductive film detection tool and detection system - Google Patents
Conductive film detection tool and detection system Download PDFInfo
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- CN218240101U CN218240101U CN202220813679.6U CN202220813679U CN218240101U CN 218240101 U CN218240101 U CN 218240101U CN 202220813679 U CN202220813679 U CN 202220813679U CN 218240101 U CN218240101 U CN 218240101U
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Abstract
The utility model relates to a conductive film detects frock and detecting system relates to detection device technical field, includes: the device comprises a bottom plate, a first electrode and a second electrode, wherein the bottom plate is provided with a placing area for placing a conductive film to be tested; the clamping piece is movably arranged on the bottom plate and used for releasably clamping the conductive film; the flexible conductive piece is arranged on the clamping piece and provided with a contact surface used for being in electrified contact with the conductive film, and the power supply circuit is provided with a power supply interface and is electrically connected with the flexible conductive piece to supply power to the flexible conductive piece.
Description
Technical Field
The disclosure relates to the technical field of detection devices, in particular to a conductive film detection tool and a detection system.
Background
The two-dimensional transparent conductive film is widely applied to the fields of transparent electrodes, flat panel display, touch screens, intelligent wearing and the like due to higher conductivity and good light transmittance. With the continuous improvement of the requirements for product quality, the incoming material detection of the electrical performance parameters of the thin film is required.
The existing electrical property detection technology of the film type material mostly adopts a four-probe tester to test the material, but the thickness of the two-dimensional transparent conductive film is very small, and the probes of the four-probe tester are easy to puncture the film, so that the film is mistested to the substrate to influence the test result; in addition, the four-probe test method is a contact point test, and the limitation of the method cannot reflect the overall condition of the material.
SUMMERY OF THE UTILITY MODEL
The purpose of the present disclosure is to provide a conductive film detection tool and a detection system, which can solve the above problems.
In order to achieve the above object, the present disclosure provides a conductive film detection tool, including: the device comprises a bottom plate, a first electrode and a second electrode, wherein the bottom plate is provided with a placing area for placing a conductive film to be tested; the clamping piece is movably arranged on the bottom plate and used for releasably clamping the conductive film; the flexible conductive piece is arranged on the clamping piece and is provided with a contact surface used for being in electrified contact with the conductive film, and the power supply circuit is provided with a power interface and is electrically connected with the flexible conductive piece to supply power to the flexible conductive piece.
Optionally, a support is disposed on the bottom plate, the clamping member is a pressing plate movably connected to the support up and down, and a flexible conductive member is fixed to a lower surface of the pressing plate so as to fix the conductive thin film on the bottom plate through the flexible conductive member when moving down.
Optionally, the bracket has a main chute, two sides of the main chute are respectively provided with a guiding limiting rod, a limiting plate is arranged above the guiding limiting rod, one side edge of the pressing plate is formed with a main sliding plate portion and sub sliding plate portions located on two sides of the main sliding plate portion, the main sliding plate portion slidably extends into the main chute, the sub sliding plate portion has a limiting hole, and the guiding limiting rod slidably inserts into the limiting hole.
Optionally, two clamping pieces are provided, the two clamping pieces are symmetrically arranged on two opposite sides of the placing area, and the flexible conductive pieces of the two clamping pieces are connected in series in the power supply circuit.
Optionally, the conductive film detection tool further comprises a travel switch for switching on and off the power supply circuit, and the clamping piece is contacted with the travel switch when moving downwards to the bottom plate so as to switch on the power supply circuit.
Optionally, the conductive film detection tool further comprises a travel switch for switching on and off the power supply circuit, an installation box which takes the bottom plate as a top cover is arranged below the bottom plate, the travel switch is arranged in the installation box and located below the pressing plate, a wire clamping groove is formed in the inner side of the support, the power supply circuit comprises a power supply interface, a power supply switch and a conductive wire, the conductive wire is provided with two conductive segments which respectively correspond to the two clamping pieces, the conductive wire comprises a first conductive segment which is arranged in the edge of the installation box and used for serially connecting the power supply interface and the travel switch, and a second conductive segment which is exposed out of the installation box and used for serially connecting the travel switch and the flexible conductive piece, the second conductive segment is led out of the bottom plate, penetrates through the wire clamping groove and penetrates through the top of the pressing plate to be connected with the flexible conductive piece, the power supply switch is serially connected with the first conductive segment of one of the conductive wires, and the power supply switch and the power supply interface are arranged on the side edge of the bottom plate or the installation box at intervals.
Optionally, the flexible conductive member is a conductive adhesive strip adhered to the bottom of the clamping member.
Optionally, the placing area is a placing groove formed in the bottom plate, a hollowed-out area is arranged in the placing groove, stepped holes are formed between the placing groove and the hollowed-out area, so that in a compressed state, the clamping piece contacts with the upper surface of the bottom plate, and the flexible conductive piece and the stepped surface of the stepped hole clamp the conductive film together.
The present disclosure further provides a detection system, including the above conductive film detection tool, and a thermal imaging device, the thermal imaging device is used for detecting the thermal imaging of the conductive film fixed on the conductive film detection tool.
Optionally, a resistance testing device is further included for measuring the resistance value of the conductive film at the power supply interface located at the side of the bottom plate.
Above-mentioned technical scheme fixes conductive film on the bottom plate through the holder, and through the flexible conductive piece that has the contact surface and conductive film contact, can realize the nondestructive positioning to conductive film on the one hand, and on the other hand can realize for conductive film circular telegram, like this, can adopt various detection methods such as thermal imaging device detection conductive film's thermal imaging to realize the detection of the back nature of circular telegram to conductive film.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic structural view of the conductive film detection tool of the present invention;
fig. 2 is a sectional view of the conductive film inspection tool of the present invention.
Description of the reference numerals
1. A base plate; 11. a placement groove; 12. a hollow-out area; 13. installing a box; 21. guiding a limiting rod; 22. a handle; 23. a linkage rod; 24. a clamping member; 25. a support; 3. a flexible conductive member; 4. a power interface; 5. a power switch; 6. a wire clamping groove; 7. a conductive wire; 8. a travel switch; 9. a conductive film.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, use of directional terms such as "upper, lower, left, right" generally refer to the orientation of the figure, "inner, outer" refers to the inner, outer relative to the profile of the component or structure itself. In addition, it should be noted that terms such as "first", "second", and the like are used for distinguishing one element from another, and have no order or importance. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements.
As shown in fig. 1-2, the present disclosure provides a conductive film detection tool, including: the base plate 1, which may be horizontally disposed, for example, has a placement area for placing the conductive film 9 to be tested, and the conductive film 9 is placed in the placement area, where the conductive film 9 is usually a two-dimensional transparent conductive film; a clamping member 24 movably disposed on the base plate 1 for releasably clamping the conductive film 9, the clamping member 24 fixing the conductive film 9 on the base plate 1; the flexible conductive piece 3 is arranged on the clamping piece 24 and is provided with a contact surface for being in electric contact with the conductive thin film 9, the conductive thin film 9 is fixed on the bottom plate 1 through the clamping piece 24, and the flexible conductive piece 3 with the contact surface is in contact with the conductive thin film 9, so that on one hand, the nondestructive positioning of the conductive thin film 9 can be realized, on the other hand, the conduction of the conductive thin film 9 can be realized, the nondestructive detection of the conductive thin film 9 can be realized, and in the past embodiment, the contact area is small, so that the conductive thin film 9 is easy to puncture by adopting a four-probe tester for point contact; and the power supply circuit is provided with a power supply interface 4 and is electrically connected with the flexible conductive piece 3 to supply power to the flexible conductive piece 3, the power supply interface 4 is connected with an external power supply, the flexible conductive piece 3 supplies power to the conductive thin film 9 to heat the conductive thin film 9, the heating condition of the conductive thin film 9 is detected, the adverse phenomena of the position, the shape, the size and the like of the defect are visually presented, and the uniformity of the film formation of the conductive thin film 9 is reflected.
As an alternative embodiment, as shown in fig. 1-2, a support 25 is disposed on a bottom plate 1, a clamping member 24 is a pressing plate movably connected to the support 25, and a flexible conductive member 3 is fixed on a lower surface of the pressing plate, so that the conductive thin film 9 can be fixed on the bottom plate 1 through the flexible conductive member 3 when moving downward, that is, in this embodiment, the conductive thin film 9 is positioned in a manner that the clamping member 24 moves upward and downward relative to the bottom plate 1 to form a positioning device with the bottom plate 1, wherein, in actual use, the pressing plate can be moved upward when placing the conductive thin film 9, the conductive thin film 9 is placed, the pressing plate is moved downward, the conductive thin film 9 is pressed through the flexible conductive member 3, and the pressing plate is plate-shaped, so the flexible conductive member 3 disposed at the bottom of the pressing plate also has a contact area, the flexible conductive member 3 can be bar-shaped, and has a larger contact area with the conductive thin film 9, and the conductive thin film 9 is not easily damaged.
Optionally, the bracket 25 is provided with a main sliding groove, the bracket 25 is composed of two oppositely arranged support plates, the main sliding groove is formed between the two support plates, two sides of the main sliding groove are respectively provided with a guide limiting rod 21, the main sliding groove and the guide limiting rod 21 are both used for limiting the pressing plate, so that the pressing plate can move up and down along the main sliding groove and the guide limiting rod 21, and the pressing plate is prevented from shaking left and right; the vertical setting of direction gag lever post 21, the top of direction gag lever post 21 is equipped with the limiting plate for the height that the restriction clamp plate shifted up, a side edge of clamp plate is formed with main slide board portion and the branch slide board portion that is located this main slide board portion both sides, and main slide board portion slidable stretches into main spout, has spacing hole on the branch slide board portion, and direction gag lever post 21 slidable inserts spacing hole. In other deformation modes, the slide rails can be arranged on the inner sides of the two side walls of the main chute, the slide blocks in sliding connection with the slide rails are arranged on the two sides of the main sliding plate part of the pressing plate, the slide blocks not only play a role in sliding connection, but also play a role in limiting, so that the pressing plate can not swing left and right, and the guide limiting rod 21 does not need to be arranged in the embodiment.
The clamp plate accessible manual or electronic mode reciprocates, and manual mode is: a linkage rod 23 is vertically arranged at the top of the part of the pressing plate, which is positioned in the main sliding groove, a lifting handle 22 is arranged at the top of the linkage rod 23, the lifting handle 22 is hinged with the top of the linkage rod 23, and the pressing plate is moved up and down by lifting the lifting handle 22; the electric mode is as follows: install cylinder or electric telescopic handle additional at the top of the part that the clamp plate is located main spout, set up the mounting bracket on the bottom plate 1 and be used for installing cylinder or electric telescopic handle, the telescopic link or the electric telescopic handle through the cylinder drive the clamp plate and reciprocate.
Alternatively, two clamping members 24 are provided, the two clamping members 24 are symmetrically arranged on two opposite sides of the placing area, the conductive film 9 is fixed in the placing area on the bottom plate 1, the flexible conductive members 3 of the two clamping members 24 are connected in series in the power supply circuit to form a loop, the conductive film 9 is arranged between the two flexible conductive members 3 in the power supply circuit and used for detecting the resistance of the conductive film 9, the conductive film 9 connects the two flexible conductive members 3 in series to enable the power supply circuit to be conducted, and after the flexible conductive members 3 are separated from the conductive film, the power supply circuit is disconnected.
In the process of taking a product to be detected, the flexible conductive piece 3 is easily touched to cause electric shock, and for the sake of safety, the conductive film detection tool further comprises a travel switch 8 for switching on and off a power supply circuit so as to switch off the power supply circuit when not necessary. As an embodiment, it can be designed that the clamping member 24 contacts the travel switch 8 when moving downwards to the bottom plate 1 to make the power supply circuit conductive, the travel switch 8 is connected in series with the power supply circuit, the travel switch 8 is pressed when the pressing plate is located at the lowest part, the power supply circuit is in a conductive state at this time to supply power to the conductive film 9, and after the pressing plate moves upwards to leave the travel switch 8, the travel switch 8 is disconnected, the power supply circuit is disconnected at this time to prevent electric shock. The design considers that the power-on test is required only when the conductive film 9 is positioned, and other taking and placing processes are not required, so that the safety in the process of taking off the conductive film 9 can be effectively solved.
Optionally, as shown in fig. 2, the conductive film detection tool further includes a travel switch 8 for switching on and off the power supply circuit, an installation box 13 using the bottom plate 1 as a top cover is arranged below the bottom plate 1, the travel switch 8 is arranged in the installation box 13 and located below the pressure plate, the top of the flexible conductive wire fixing device penetrates through the bottom plate 1 to enable the pressing plate to be in contact with the travel switch 8, the inner side of the support 25 is provided with a wire clamping groove 6, the wire inlet end of the wire clamping groove 6 extends to the bottom plate 1, the power supply circuit comprises a power supply interface 4, a power supply switch 5 and a conductive wire 7, the conductive wire 7 is provided with two conductive segments which respectively correspond to the two clamping pieces 24, the conductive wire 7 comprises a first conductive segment which is arranged inside the edge of the installation box 13 and used for serially connecting the power supply interface 4 and the travel switch 8 and a second conductive segment which is exposed outside the installation box 13 and used for serially connecting the travel switch 8 and the flexible conductive piece 3, the first conductive segment can fix the conductive wire 7 by arranging a wire through groove on the side wall of the installation box 13, or a plurality of semicircular clamping rings are arranged at intervals to fix the first conducting segment to prevent the first conducting segment from moving in the installation box 13, the second conducting segment is led out from the bottom plate 1 and passes through the wire clamping groove 6 and passes through the top of the pressing plate to be connected with the flexible conducting piece 3, the wire outlet end of the wire clamping groove 6 is positioned on the upward moving path of the pressing plate, the conducting wire 7 is flexible and cannot obstruct the movement of the pressing plate when being connected with the flexible conducting piece 3 by the top of the pressing plate, the power switch 5 is connected with the first conducting segment of one conducting wire 7 in series, the power switch 5 and the power interface 4 are arranged on the side edge of the bottom plate 1 or the installation box 13 at intervals, when the power switch 5 and the power interface 4 are arranged on the side edge of the bottom plate 1, the side edge of the bottom plate 1 is provided with a mounting hole, the power switch 5 and the power interface 4 are mounted in the mounting hole, and the wiring ends of the power switch 5 and the power interface 4 are through holes for the conducting wire 7 to pass through.
In addition, in this embodiment, the power supply circuit is formed by a circuit corresponding to the clamping members 24 on both sides, one side is the conductive wire 7, which starts from the power interface 4, and is connected in series with the power switch 5, the travel switch 8 and the flexible conductive member 3 in sequence, and the other side is not provided with the power switch 5, and the rest is the same, and then the flexible conductive members 3 on both sides are connected through the conductive film 9 to form a loop, so as to turn on the whole power supply circuit.
The bottom plate 1, the bracket 25 and the pressing plate are made of insulating bakelite or other insulating solid plates to prevent electric conduction when the bottom plate contacts with the conductive film 9 and the flexible conductive piece 3.
Optionally, the placing area may be a placing groove 11 formed on the bottom plate 1, the conductive film 9 is placed in the placing groove 11, the placing groove 11 enables the conductive film not to move after being placed, the positioning is convenient, a hollowed-out area 12 is arranged in the placing groove 11, the phenomenon that the conductive film 9 is electrified and heated to transfer heat to the bottom plate 1 to cause misdetection is avoided, the placing groove 11 and the hollowed-out area 12 form a stepped hole, so that in a compression state, the clamping piece 24 is in contact with the upper surface of the bottom plate 1, and the flexible conductive piece 3 and the stepped surface of the stepped hole clamp the conductive film 9 together. In other forms of embodiment, the placing area can also be provided as a through hole, an annular placing plate is arranged at the center of the inner side of the periphery of the through hole, and the conductive film 9 is placed on the placing plate.
Alternatively, the flexible conductive device 3 may be a conductive adhesive tape adhered to the bottom of the clamping member 24, the conductive adhesive tape has a certain thickness, the conductive adhesive tape protrudes from the bottom of the pressing plate and contacts with the conductive film 9, when the pressing plate moves to the lowest position, the bottom of the pressing plate can only be flush with the upper surface of the placing groove 11, the conductive film 9 is placed in the placing groove 11 with a concave surface, and therefore the conductive adhesive tape has a certain thickness and extends into the placing groove 11 to contact with the conductive film 9, so as to compress the conductive film 9. In the embodiment of other forms, can also fold the partial slide board portion of clamp plate downwards, form the zigzag with main slide board portion jointly, divide the slide board portion can directly extend into in the standing groove, the conducting strip just can be planar conducting strip this moment.
The utility model also provides a detection system, including conductive film detection frock to and thermal imaging device, examine or infrared scanning imager for infrared thermal imager, thermal imaging device is used for detecting the thermal imaging of fixing conductive film 9 on conductive film detection frock, detect the homogeneity of generating heat, demonstrate unfavorable phenomena such as position, shape and size of defect directly perceivedly, infrared thermal imager examines when examining and does not contact with conductive film 9, just also can not damage conductive film 9, accomplish harmless and comprehensive detection.
As an alternative embodiment, the testing device further comprises a resistance testing device, which is a multimeter or an automatic resistance tester, and is used for measuring the resistance value of the conductive thin film 9 at the power interface 4 located at the side of the bottom plate 1, so that the resistance value can be accurately tested, the electrode is not required to be wire-printed on the thin film, the nondestructive testing is carried out, and no damage or waste is caused to the thin film, so as to test the electrical property of the conductive thin film 9.
In practical use, as shown in fig. 1-2, the pressing plate is moved upward through the handle 22, and is separated from the bottom plate 1, so that a space capable of accommodating the conductive film 9 is exposed between the pressing plate and the bottom plate 1, the conductive film 9 is horizontally placed in the placement area, the edge of the conductive film is located on the stepped hole, the pressing plates on the two sides are sequentially moved downward to press the conductive film 9, and the conductive film 9 is fixed on the bottom plate 1; at the moment, the power switch 5 is turned on to enable the power supply circuit to be in a connected state, and the resistance value is measured at the power interface 4 by using the resistance testing device, so that the electrical property of the conductive film 9 is detected; after the resistance value is measured, the power switch 5 is closed, then an external power line is connected to the power interface 4, the power switch 5 is opened to enable the power supply circuit to be conducted, the power supply circuit is powered on the conductive film 9 at the moment, the conductive film 9 is heated, thermal imaging of the conductive film 9 is detected through the thermal imaging device, heating uniformity is detected, and the defects such as positions, shapes, sizes and the like are visually presented.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the above embodiments, the various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations will not be further described in the present disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. The utility model provides a conductive film detects frock which characterized in that includes:
a base plate (1) having a placement area for placing a conductive film (9) to be tested;
-a clamping member (24) movably arranged on the base plate (1) for releasably clamping the conductive film (9);
a flexible conductive member (3) disposed on the clamping member (24) and having a contact surface for electrical contact with the conductive film (9), an
And the power supply circuit is provided with a power interface (4) and is electrically connected with the flexible conductive piece (3) to supply power to the flexible conductive piece (3).
2. The conductive film detection tool according to claim 1, wherein a support (25) is arranged on the bottom plate (1), the clamping member (24) is a pressing plate which is connected to the support (25) in a vertically movable manner, and the flexible conductive member (3) is fixed to the lower surface of the pressing plate, so that the conductive film (9) can be fixed to the bottom plate (1) through the flexible conductive member (3) when moving downwards.
3. The conductive film detection tool according to claim 2, wherein the bracket (25) has a main sliding groove, two sides of the main sliding groove are respectively provided with a guide limiting rod (21), a limiting plate is arranged above the guide limiting rod (21), one side edge of the pressure plate is formed with a main sliding plate portion and sub sliding plate portions located at two sides of the main sliding plate portion, the main sliding plate portion slidably extends into the main sliding groove, the sub sliding plate portion has a limiting hole, and the guide limiting rod (21) is slidably inserted into the limiting hole.
4. The conductive film detection tool according to any one of claims 1 to 3, wherein two clamping members (24) are provided, the two clamping members (24) are symmetrically arranged on two opposite sides of the placement area, and the flexible conductive members (3) of the two clamping members (24) are connected in series in the power supply circuit.
5. The conductive film detection tool according to claim 1, further comprising a travel switch (8) for switching on and off the power supply circuit, wherein the clamping member (24) contacts with the travel switch (8) when moving downwards to the bottom plate (1) to switch on the power supply circuit.
6. The conductive film detection tool according to claim 2, further comprising a travel switch (8) for switching on and off the power supply circuit, an installation box (13) taking the bottom plate (1) as a top cover is arranged below the bottom plate (1), the travel switch (8) is arranged in the installation box (13) and is positioned below the pressure plate, the inner side of the bracket (25) is provided with a wire clamping groove (6), the power supply circuit comprises a power interface (4), a power switch (5) and a conducting wire (7), the conducting wire (7) is provided with two clamping pieces (24) which respectively correspond to the two clamping pieces, the conducting wire (7) comprises a first conducting section which is arranged at the edge of the installation box (13) in a built-in mode and is used for connecting the power interface (4) and the travel switch (8) in series, and a second conducting section which is exposed outside the installation box (13) and is used for connecting the travel switch (8) and the flexible conducting piece (3) in series, the second conductive segment is led out from the bottom plate (1) and penetrates through the wire clamping groove (6) and penetrates through the top of the pressing plate to be connected with the flexible conductive piece (3), the power switch (5) is connected in series with the first conductive segment of one of the conductive wires (7), the power switch (5) and the power interface (4) are arranged on the side edge of the bottom plate (1) or the installation box (13) at intervals.
7. The conductive film detection tool as claimed in claim 1, wherein the flexible conductive member (3) is a conductive adhesive tape adhered to the bottom of the clamping member (24).
8. The conductive film detection tool according to any one of claims 1 to 3, wherein the placement area is a placement groove (11) formed on the bottom plate (1), a hollow area (12) is formed in the placement groove (11), the placement groove (11) and the hollow area (12) form a stepped hole, so that in a compression state, the clamping piece (24) is in contact with the upper surface of the bottom plate (1), and the flexible conductive piece (3) and the stepped surface of the stepped hole clamp the conductive film (9) together.
9. A detection system is characterized by comprising
The conductive film inspection tool of any one of claims 1-8, and
and the thermal imaging device is used for detecting thermal imaging of the conductive film (9) fixed on the conductive film detection tool.
10. A detection system according to claim 9, further comprising resistance testing means for measuring the resistance value of the conductive film (9) by means of a power supply interface (4) located at the side of the base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220813679.6U CN218240101U (en) | 2022-04-08 | 2022-04-08 | Conductive film detection tool and detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220813679.6U CN218240101U (en) | 2022-04-08 | 2022-04-08 | Conductive film detection tool and detection system |
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| CN218240101U true CN218240101U (en) | 2023-01-06 |
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| CN202220813679.6U Active CN218240101U (en) | 2022-04-08 | 2022-04-08 | Conductive film detection tool and detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117074785A (en) * | 2023-10-12 | 2023-11-17 | 福建省志骐电子科技有限公司 | High-precision resistance value detection equipment |
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2022
- 2022-04-08 CN CN202220813679.6U patent/CN218240101U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117074785A (en) * | 2023-10-12 | 2023-11-17 | 福建省志骐电子科技有限公司 | High-precision resistance value detection equipment |
| CN117074785B (en) * | 2023-10-12 | 2023-12-22 | 福建省志骐电子科技有限公司 | High-precision resistance value detection equipment |
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