CN109932636A - Double-station electric characteristic detecting apparatus - Google Patents
Double-station electric characteristic detecting apparatus Download PDFInfo
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- CN109932636A CN109932636A CN201910210141.9A CN201910210141A CN109932636A CN 109932636 A CN109932636 A CN 109932636A CN 201910210141 A CN201910210141 A CN 201910210141A CN 109932636 A CN109932636 A CN 109932636A
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- monitor station
- pcb board
- workbench
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- detection plate
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Abstract
The present invention relates to a kind of double-station electric characteristic detecting apparatus, belong to the electric performance test technical field of semiconductor devices, including workbench, upper detection plate and lower detection plate, lower monitor station is movably set on the workbench, minimum three groups are provided on the workbench for transmitting the transfer assembly of pcb board, transfer assembly described in multiple groups is divided into three parts and is equidistantly positioned on the table, it is additionally provided on the workbench for limiting pcb board to the locating part right above lower monitor station, when use, take two pieces will be between pcb board to be detected guide rod placed side by side, when pcb board is moved to right above lower detection plate, locating part will limit pcb board, so that pcb board stagnation is located at the desired position, then the first cylinder will drive lower monitor station to rise, to be detected to pcb board, it in this way can be with Single detects two pieces of pcb boards, and the present invention has the effect of improving detection efficiency.
Description
Technical field
The present invention relates to the electric performance test technical fields of semiconductor devices more particularly to a kind of double-station electrical testing to fill
It sets.
Background technique
In the production of printed circuit board, need to test its electrical property by smelting tool, pcb board test smelting tool be it is a kind of with
Pcb board designs for model, for a kind of dedicated fixture of electrical property on off test, has single side smelting tool, two-sided smelting to have it
Point.
A kind of pcb board electrical testing smelting tool is disclosed in the Chinese patent that Authorization Notice No. is CN204389642U, including
Bottom plate, the column being set on bottom plate, be disposed on column from bottom to top substrate, the first fixed plate, the second fixed plate and
First guide plate, first guide plate are equipped with guide post, and the guide post is provided, in sequence from bottom to top, with spring substrate, the second guiding
Plate and top plate, the substrate is equipped with low close needle stand and highly dense needle stand through first fixed plate, the second fixed plate, described
The low secret agent's needle slided up and down along low close needle stand is equipped in low close needle stand, low secret agent's needle sequentially passes through the first guiding from bottom to top
Plate, spring substrate, the second guide plate and top plate, the low close probe tip are exposed top plate top surface, are cased on the depression probe
So that low secret agent's needle set has the master reset spring of uptrend, the master reset spring one end connect with spring substrate, is another
End is connect with low secret agent's needle, and the highly dense probe slided up and down along highly dense needle stand, the highly dense probe are equipped in the highly dense needle stand
The first guide plate, elastic base plate, the second guide plate and top plate are sequentially passed through from bottom to top, and the highly dense probe and low secret agent's needle are equal
It is electrically connected with detection line.
In above-mentioned technical proposal, detection device is combined by low close needle stand and low secret agent's needle, easy to maintenance and maintenance at
This is low, does not need clamping when detecting pcb board, can reduce detection time.
But in above-mentioned technical proposal, it is only capable of one piece of pcb board of test every time, so that working efficiency is lower.
Summary of the invention
The object of the present invention is to provide a kind of double-station electric characteristic detecting apparatus, have the advantages that improve working efficiency.
Foregoing invention purpose of the invention has the technical scheme that
A kind of double-station electric characteristic detecting apparatus, including workbench, upper detection plate and lower detection plate, activity setting on the workbench
There is lower monitor station, is located at below lower monitor station on the workbench and is provided with the first cylinder, the side of the workbench is hinged
There is lid to close the upper monitor station right above lower monitor station, the upper detection plate is detachably arranged on monitor station, the lower inspection
Drafting board is detachably arranged on lower monitor station；
Minimum three groups are provided on the workbench for transmitting the transfer assembly of pcb board, transfer assembly described in every group includes
Minimum two idler wheels, the idler wheel in every group of transfer assembly are divided into two groups and are rotatably arranged on the two of lower monitor station respectively
Side, and belt is provided between idler wheel described in two groups, the every belt is respectively positioned on the surface of lower monitor station and along length
The idler wheel at direction and both ends is axially vertical, and the motor for driving idler wheel to rotate is provided on the workbench；
Transfer assembly described in multiple groups is divided into three parts and is equidistantly positioned on the table, and every part of transmission group is located on the workbench
The surface of the belt of part is provided with guide rod along the length direction of belt, and the guide rod does not cover skin in the width direction
Band, the distance between the guide rod and belt are not higher than the thickness of pcb board；
It is additionally provided on the workbench for limiting pcb board to the locating part right above lower monitor station.
Implement above-mentioned technical proposal, it is normality that upper monitor station, which overturns to lid and closes in the top of lower monitor station, in use, taking two
Block is by between pcb board to be detected guide rod placed side by side, so that pcb board is erected on belt, drive motor drives belt
Mobile with pcb board, when pcb board is moved to right above lower detection plate, locating part will limit pcb board, so that pcb board
Stagnation is located at the desired position, and then the first cylinder will drive lower monitor station to rise, and upper detection plate and lower detection plate will at this time
Pcb board to be measured can be clamped in centre, the probe in upper detection plate or lower detection plate will pass through pcb board, with to pcb board into
Row detection can detect two pieces of pcb boards in this way with single, improve detection efficiency；The setting of guide rod in pcb board with skin
When band is mobile, pcb board is oriented to, the position of pcb board is avoided to shift, influences to detect.
Further, the locating part includes setting bar on the table and is arranged vertically at lower monitor station and leans on
Second cylinder of nearly output end, sliding is connected with block, the block and gear along the vertical direction for the two sides of the guide rod
Bar is arranged in a one-to-one correspondence and bar is threaded on block, is located at immediately below block on the piston rod of second cylinder and is connected
It is connected to gag lever post.
Implement above-mentioned technical proposal, when pcb board is moved to the position of needs, when the elongation of the second cylinder, gag lever post will
Block can be jacked up, bar will be abutted with pcb board at this time, prevent the movement of pcb board, monitor station rise is then descended, at this time the
Two cylinders will be shunk, to drive gag lever post to reset, and block will drop down on lower monitor station with the movement of lower monitor station and
Lifting, to continue to limit pcb board, in this way can the lifting height and the second cylinder of lower monitor station elongation it is not right
At once, bar is preferably limited to pcb board, and in this way can be according to the rule of upper detection plate or lower detection plate
Lattice or other needs, rotate bar, to adjust bar along axial length, so that pcb board can be trapped in the position of needs
Place is set, improves the applicability of the double-station electric characteristic detecting apparatus in this way.
Further, accommodation groove, the lower detection plate and upper detection plate are offered on the lower monitor station and upper monitor station
It is both placed in corresponding accommodation groove, the two sides on the lower monitor station and upper monitor station positioned at accommodation groove are bolted
There is baffle, one end of the baffle is located above the notch of accommodation groove.
Implement above-mentioned technical proposal to remove baffle when needing replacing lower detection plate or upper detection plate, then by lower detection
Plate takes out out of corresponding accommodation groove with upper detection plate, is then placed in the lower detection plate or upper detection plate of needs, and makes baffle
One side close to accommodation groove is abutted with baffle, descends detection plate that will be not easy to deviate from out of accommodation groove with upper detection plate in this way.
Further, the upper surface of the lower detection plate corresponds to existing mounting hole on pcb board and is provided with position-limited needle.
Implement above-mentioned technical proposal, pcb board during manufacturing would generally reserving installation hole, when pcb board is mobile
To after abutting with bar, the elongation of the first cylinder, so that lower monitor station drives lower detection plate to rise, position-limited needle will pass through peace at this time
It fills hole and avoids pcb board from being subjected to displacement further to be limited to pcb board, to guarantee going on smoothly for detection, then
It is detected.
Further, the bottom of the block is provided with spring, and one end of the spring is connect with block, the other end is freely set
It sets.
Implement above-mentioned technical proposal, after the second cylinder is shunk, and the first cylinder drives lower monitor station decline, block will
Decline under gravity, spring can play the role of buffering at this time.
Further, the bar is provided with bed course close to the end of feeding end.
Implement above-mentioned technical proposal, when pcb board, which is moved to, to abut with bar, bed course will be between pcb board and bar
It is buffered, when pcb board being avoided to abut with bar, impulse force is larger and bar is caused to damage pcb board.
Further, it is located in the middle on the guide rod and opens up jagged, correspond to notch on the lower monitor station and be provided with
Locating rod.
Implement above-mentioned technical proposal, when the first cylinder extends, when lower monitor station is jacked up, locating rod will be inserted into scarce
In mouthful, using locating rod as object of reference, judges the position of guide rod, two pcb boards to be detected are accurately moved to
The position needed, the probe being located in lower detection plate or upper detection plate when detecting are inserted into hole to be measured on pcb board,
It can avoid being located in the middle guide rod in the process of detection simultaneously and move, to guarantee that detects goes on smoothly.
Further, the two sides on the workbench positioned at lower monitor station are provided with reverse-flighted screw, wherein are located in the middle
The guide rod is rotatably connected on the middle part of reverse-flighted screw, and the end thread positioned at the guide rod of two sides is set in two-way spiral shell
On bar, the two sides of the lower monitor station are provided with sliding slot, and the end sliding of the guide rod is connected in sliding slot, the idler wheel
It is rotatably arranged on the end of corresponding guide rod.
Implement above-mentioned technical proposal, rotate one end of reverse-flighted screw, then the guide rod positioned at two sides will be to be located at centre
Guide rod be midpoint be away from each other or move towards, to change the distance between guide rod and guide rod, to adapt to different rule
The pcb board of lattice improves the applicability of the double-station electric characteristic detecting apparatus in this way.
In conclusion advantageous effects of the invention are as follows:
1. taking two pieces between pcb board to be detected guide rod placed side by side, so that pcb board is erected on belt, drive electronic
Machine drives belt and pcb board mobile, when pcb board is moved to right above lower detection plate, so that pcb board is stagnated at the desired position
Place, then the first cylinder will drive lower monitor station to rise, and upper detection plate will clamp pcb board to be measured with lower detection plate at this time
In centre, the probe in upper detection plate or lower detection plate will pass through pcb board in this way can be with single to detect to pcb board
Two pieces of pcb boards are detected, detection efficiency is improved；
2. the setting of guide rod is for being oriented to pcb board, the position of pcb board being avoided to send out when pcb board is mobile with belt
Raw offset, influences subsequent detection；
3. the distance between guide rod and guide rod can be changed, to adapt to the pcb board of different size, the duplex is improved in this way
The applicability of position electric characteristic detecting apparatus.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the partial enlargement diagram of part A in Fig. 1.
Fig. 3 is partial structure diagram of the invention.
Fig. 4 is the structure sectional view of idler wheel and shaft of the invention.
In figure, 1, workbench；11, upper monitor station；111, upper detection plate；12, lower monitor station；121, lower detection plate；122,
Position-limited needle；123, baffle；13, the first cylinder；14, locating rod；15, sliding slot；2, transfer assembly；21, idler wheel；211, groove；22,
Shaft；221, raised；23, motor；24, belt；25, guide rod；251, reverse-flighted screw；2511, turning handle；252, notch；3,
Bar；31, the second cylinder；32, block；321, spring；33, bed course；34, gag lever post.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
It referring to Fig.1, is a kind of double-station electric characteristic detecting apparatus disclosed by the invention, including workbench 1, upper detection plate 111
With lower detection plate 121, wherein be provided with the first cylinder 13 on workbench 1 along the vertical direction, the tailpiece of the piston rod of the first cylinder 13 is set
It is equipped with lower monitor station 12, the side of workbench 1 is hinged with monitor station 11, when upper monitor station 11 is in fold state, upper detection
Platform 11 will be located at the surface of lower monitor station 12.
Referring to Fig. 2, accommodation groove, lower monitor station 12 and upper monitor station 11 are offered on lower monitor station 12 and upper monitor station 11
Baffle 123 has been bolted in the upper two sides positioned at accommodation groove, and accommodation groove is stretched out in one end of baffle 123, and is located at and holds
Above the notch for setting slot, lower detection plate 121 is placed in the accommodation groove on lower monitor station 12, and upper detection plate 111 is placed on inspection
In accommodation groove on scaffold tower 11, baffle 123 is abutted with corresponding lower detection plate 121 or upper detection plate 111 respectively, is needed replacing down
Detection plate 121 and when upper detection plate 111, baffle 123 is removed, then by lower detection plate 121 and upper detection plate 111 from corresponding
It is taken out in accommodation groove, is then placed in the lower detection plate 121 or upper detection plate 111 of needs, and make baffle 123 close to accommodation groove
It is abutted on one side with baffle 123.
Referring to Figure 1 and Figure 3, the top on workbench 1 positioned at lower monitor station 12 is provided with minimum three groups for transmitting pcb board
Transfer assembly 2, multiple groups transfer assembly 2 divides for three parts and is equidistantly positioned on workbench 1, and every group of transfer assembly 2 includes
Minimum two idler wheels 21, the idler wheel 21 in every group of transfer assembly 2 are divided into two groups and are rotatably arranged on lower monitor station 12 respectively
Two sides, and belt 24 is provided between two groups of idler wheels 21, each belt 24 is respectively positioned on the surface of lower monitor station 12 and edge
Length direction and the idler wheel at both ends 21 are axially vertical, and the motor 23 for driving idler wheel 21 to rotate is additionally provided on workbench 1；
The surface of belt 24 on workbench 1 positioned at every part of transfer assembly 2 is provided with guide rod 25 along the length direction of belt 24,
Wherein, belt 24 can not be completely covered in guide rod 25 in the width direction, will not influence while being oriented to pcb board in this way
The movement of pcb board, the distance between guide rod 25 and belt 24 are not higher than the thickness of pcb board.
In the present embodiment, transfer assembly 2 is provided with four groups, and two groups in four groups of transfer assemblies 2 are located at another two groups
Two sides, every group of transfer assembly 2 includes six idler wheels 21, and six idler wheels 21 are divided into two equal portions and are rotatably connected on workbench 1
Above, positioned at the two sides of lower monitor station 12, guide rod 25 is provided with three, wherein two are separately positioned on the belt 24 positioned at two sides
Top, in addition one is located in the middle between two belts 24；Positioned at lower monitor station 12 side and axial be located at same straight line
On wherein four rolling 21 between be equipped with shaft 22, motor 23 is arranged on workbench 1 and drive shaft and shaft 22 are solid
Fixed connection, wherein it is axially disposed on 22 periphery wall of shaft to have protrusion 221 referring to Fig. 4, it is corresponded on the internal perisporium of idler wheel 21 convex
221 settings fluted 211 are played, when shaft 22 is threaded through in idler wheel 21, protrusion 221 and 211 grafting of groove, such shaft 22 are turning
When dynamic, under the action of protrusion 221, idler wheel 21 will rotate together with shaft 22, and be offered on guide rod 25 for 22 band of shaft
The through-hole that dynamic protrusion 221 rotates together, in this way with the rotation of shaft 22,25 position of guide rod is constant.
Referring to Fig. 2, wherein be located in the middle on guide rod 25 and open up jagged 252, and correspond to notch on lower monitor station 12
252 are provided with locating rod 14, and when the first cylinder 13 extends, when lower monitor station 12 is jacked up, locating rod 14 will be inserted into scarce
It is object of reference with locating rod 14 in mouth 252, judges the position of guide rod 25, guarantees that two pcb boards to be detected can be accurate
It is moved to the position of needs, while can avoid being located in the middle guide rod 25 in the process of detection and move, influence pcb board
Detection.
Referring to Fig. 2, it is additionally provided with locating part on workbench 1, locating part includes the bar 3 being arranged on workbench 1 and edge
Second cylinder 31 of the lower monitor station 12 close to output end is arranged in vertical direction, wherein the tailpiece of the piston rod of the second cylinder 31 connects
It is connected to gag lever post 34, the two sides that the surface of gag lever post 34 is located at guide rod 25 are provided with block 32, and the side of block 32 is set
It is equipped with guide pad, the two sides of guide rod are provided with guide groove along the vertical direction, and guide pad sliding is connected in guide groove, so that gear
Block 32 can move along the vertical direction in the two sides of guide rod 25, and block 32 is arranged in a one-to-one correspondence with bar 3 and 3 screw thread of bar connects
It connects in 32 bar 3 of block along being axially perpendicular to the telescopic direction of the second cylinder 31 and be parallel to the moving direction of pcb board；Bar 3
It is provided with more every bars 3 and is respectively positioned on lower monitor station 12 close to the side of output end, in the present embodiment, bar 3 is provided with
Four, and be distributed, be located between guide rod 25 and adjacent guide rod 25 two-by-two, and block 32 connect with bar 3 one
End extends to the top positioned at lower monitor station 12, and the other end of block 32 is provided with spring 321, one end of spring and block 32
Connection, the other end are freely arranged, to play the role of buffering.
Referring to Fig. 2, bar 3 is provided with bed course 33 close to the end of feeding end, and in the present embodiment, bed course 33 is by polyethylene
It is made, when for avoiding pcb board from abutting with bar 3, impulse force is larger and bar 3 is caused to damage pcb board.
Referring to Fig. 2, pcb board during manufacturing would generally reserving installation hole, the upper surface pair of lower detection plate 121
Existing mounting hole on pcb board is answered to be provided with position-limited needle 122, after pcb board, which is moved to, to abut with bar 3, the first cylinder 13 is stretched
Long, so that lower monitor station 12 drives lower detection plate 121 to rise, position-limited needle 122 will pass through mounting hole at this time, to cooperate bar 3
Pcb board is further limited.
Referring to Fig. 3, the two sides that lower monitor station 12 is located on workbench 1 are provided with reverse-flighted screw 251, wherein in being located at
Between guide rod 25 be rotatably connected on the middle part of reverse-flighted screw 251 and be located in the middle in this way with the rotation of reverse-flighted screw 251
Guide rod 25 will not move；The equal screw thread in end positioned at the guide rod 25 of two sides is set on reverse-flighted screw 251, work
Two sides on platform 1 positioned at lower monitor station 12 are provided with sliding slot 15, and the end sliding of guide rod 25 is connected in sliding slot 15, idler wheel
21 are rotatably arranged on the end of corresponding guide rod 25, and one end of reverse-flighted screw 251 stretches out workbench 1 and is provided with turning handle
2511, one end of reverse-flighted screw 251 is rotated in this way, then the guide rod 25 positioned at two sides will be to be located in the middle guide rod 25
Midpoint is away from each other or moves towards, to change the distance between guide rod 25 and guide rod 25, to adapt to the PCB of different size
Plate improves the applicability of the double-station electric characteristic detecting apparatus in this way.
The working principle of the invention: in use, taking two pieces between pcb board to be detected guide rod 25 placed side by side, make
Pcb board is erected on belt 24 and the edge of pcb board is abutted with guide rod 25, then drive motor 23, so that idler wheel 21
Drive belt 24 and pcb board mobile, when pcb board is moved to lower 121 surface of detection plate, the elongation of the second cylinder 31, gag lever post
34 will jack up block 32, so that bar 3 rises to contour with pcb board, such pcb board will be abutted with bar 3,
Pcb board will be unable to continue then descend the rise of monitor station 12 as belt 24 is mobile by the blocking from bar 3, and at this time second
Cylinder 31 will be shunk, and to drive gag lever post 34 to reset, and block 32 will drop down on lower monitor station 12 and with lower monitor station
12 movement and go up and down, in this way can be in the lifting height and the second cylinder of lower monitor station 12 to continue to limit pcb board
31 elongation does not enable bar 3 preferably to limit to pcb board to when corresponding to；In the case where the first cylinder 13 will drive
When monitor station 12 rises, position-limited needle 122 will pass through the mounting hole on pcb board, so that pcb board is further limited,
Pcb board to be measured will be clamped in centre, upper detection plate 111 or lower detection plate with lower detection plate 121 by upper detection plate 111 at this time
Probe on 121 will pass through pcb board, to detect to pcb board, can detect two pieces of pcb boards in this way with single, improve inspection
Survey efficiency；After having detected, lower monitor station 12 resets, so that pcb board can continue to move.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of double-station electric characteristic detecting apparatus, including workbench (1), upper detection plate (111) and lower detection plate (121), special
Sign is: being movably set with lower monitor station (12) on the workbench (1), is located at lower monitor station (12) on the workbench (1)
Lower section be provided with the first cylinder (13), the side of the workbench (1) be hinged with lid close right above lower monitor station (12)
Upper monitor station (11), the upper detection plate (111) are detachably arranged on monitor station (11), and the lower detection plate (121) can
Disassembly is arranged on lower monitor station (12)；
Minimum three groups are provided on the workbench (1) for transmitting the transfer assembly (2) of pcb board, transfer assembly described in every group
It (2) include minimum two idler wheels (21), the idler wheel (21) in every group of transfer assembly (2) is divided into two groups and turns respectively
It is dynamic to be arranged in the two sides of lower monitor station (12), and belt (24) are provided between idler wheel described in two groups (21), every skin
Band (24) is respectively positioned on the surface of lower monitor station (12) and axially vertical with the idler wheel at both ends (21) along its length, the work
The motor (23) for driving idler wheel (21) to rotate is provided on platform (1)；
Transfer assembly described in multiple groups (2) is divided into three parts and is equidistantly positioned on workbench (1), is located on the workbench (1)
The surface of the belt (24) of every part of transfer assembly (2) is provided with guide rod (25) along the length direction of belt (24), described
Guide rod (25) does not cover belt (24) in the width direction, and the distance between the guide rod (25) and belt (24) are not higher than
The thickness of pcb board；
It is additionally provided on the workbench (1) for limiting pcb board to the locating part right above lower monitor station (12).
2. double-station electric characteristic detecting apparatus according to claim 1, it is characterised in that: the locating part includes being arranged in work
The second cylinder (31) made the bar (3) on platform (1) and be arranged vertically at lower monitor station (12) close to output end, institute
The two sides for stating guide rod (25) slide along the vertical direction to be connected with block (32), and the block (32) and bar (3) one are a pair of
It should be arranged and bar (3) is threaded on block (32), positioned at block (32) on the piston rod of second cylinder (31)
Underface is connected with gag lever post (34).
3. double-station electric characteristic detecting apparatus according to claim 1, it is characterised in that: lower monitor station (12) He Shangjian
Accommodation groove is offered on scaffold tower (11), the lower detection plate (121) is both placed in corresponding accommodation groove with upper detection plate (111)
Interior, baffle (123) have been bolted in the two sides on the lower monitor station (12) and upper monitor station (11) positioned at accommodation groove,
One end of the baffle (123) is located above the notch of accommodation groove.
4. double-station electric characteristic detecting apparatus according to claim 1, it is characterised in that: the lower detection plate (121) it is upper
Surface corresponds to existing mounting hole on pcb board and is provided with position-limited needle (122).
5. double-station electric characteristic detecting apparatus according to claim 2, it is characterised in that: the bottom of the block (32) is arranged
Have spring (321), one end of the spring (321) is connect with block (32), the other end is freely arranged.
6. double-station electric characteristic detecting apparatus according to claim 5, it is characterised in that: the bar (3) is close to feeding end
End be provided with bed course (33).
7. double-station electric characteristic detecting apparatus according to claim 1, it is characterised in that: be located in the middle the guide rod
(25) it is opened up on jagged (252), corresponds to notch (252) on the lower monitor station (12) and be provided with locating rod (14).
8. double-station electric characteristic detecting apparatus according to claim 7, it is characterised in that: under being located on the workbench (1)
The two sides of monitor station (12) are provided with reverse-flighted screw (251), wherein are located in the middle the guide rod (25) and are rotatably connected on
The middle part of reverse-flighted screw (251), the end thread positioned at the guide rod (25) of two sides are set on reverse-flighted screw (251),
The two sides of the lower monitor station (12) are provided with sliding slot (15), and the end sliding of the guide rod (25) is connected to sliding slot (15)
Interior, the idler wheel (21) is rotatably arranged on the end of corresponding guide rod (25).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910210141.9A CN109932636B (en) | 2019-03-19 | 2019-03-19 | Double-station electrical property testing device |
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| CN201910210141.9A CN109932636B (en) | 2019-03-19 | 2019-03-19 | Double-station electrical property testing device |
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