CN207067334U - A kind of circuit board detection device and system - Google Patents
A kind of circuit board detection device and system Download PDFInfo
- Publication number
- CN207067334U CN207067334U CN201720600396.2U CN201720600396U CN207067334U CN 207067334 U CN207067334 U CN 207067334U CN 201720600396 U CN201720600396 U CN 201720600396U CN 207067334 U CN207067334 U CN 207067334U
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- erecting bed
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- Withdrawn - After Issue
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a kind of circuit board detection device and system, device includes：Base, circuit-under-test plate erecting bed, erecting bed lifting assembly, probe plane moving assembly, test probe；The erecting bed lifting assembly is arranged on base, for driving the circuit-under-test plate erecting bed to rise or fall；The circuit-under-test plate erecting bed is arranged on the erecting bed lifting assembly, for circuit-under-test plate to be fixedly mounted；The probe plane moving assembly, installed in the top of the circuit-under-test plate erecting bed, for driving test probe to move in the horizontal plane；The test probe is arranged on the probe plane moving assembly, has test probe moving up and down, for gathering the test signal of circuit-under-test plate.The utility model has the advantages that installation, takes out convenient circuit-under-test plate, testing efficiency height, can effectively prevent circuit-under-test plate and test tissue damage.
Description
Technical field
It the utility model is related to circuit board detecting field, more particularly to a kind of circuit board detection device and system.
Background technology
Pcb board（PrintedCircuitBoard, printed circuit board (PCB)）It is one of important component of electronics industry.It can be with
The mechanical support that the various electronic components such as integrated circuit are fixed, assembled is provided, realizes the various electronic components such as integrated circuit
Between wiring and electrical connection or electric insulation, there is provided required electrical characteristic, such as characteristic impedance, provided for automatic tin soldering
Welding resistance figure and for element inserting, check, maintenance provides identify character and figure etc..Present almost every kind of electronic equipment, such as electricity
Sub- wrist-watch, calculator, computer, communication electronic device and military issue weapons system etc., as long as it has the electronics such as integrated circuit first
Device, the electric interconnection between electronic component will be realized using pcb board.In relatively large electronic product research process
In, most basic success factor is the design, documentation and manufacture of the product pcb board.The design and workmanship meeting of pcb board
The quality and cost of whole product are directly influenced, even results in the success or failure of commercial competition.Therefore need to develop pcb board
Debugging, production test are to detect and improve the design of pcb board and workmanship.
The tester of test circuit plate can be generally divided into two classes, and one kind carries finger-like tester, another kind of with simultaneously
Row tester.Finger-like tester is the tester for testing without element or having element circuitry plate, and it is referred to using two or more
Shape testing element order continuously scans each contact point.Parallel tester is by the adapter circuit of contact measured examination simultaneously
All or at least majority circuit board test point testers of plate.It is slower than using the follow-on test of finger-like tester using parallel
The concurrent testing of tester.
Finger-like testing element is normally held in can be along the sliding block that cross bar moves, and cross bar can be by rail guidance and can edge
Guide rail movement.Therefore sliding block can be positioned in typically on any desired point of the hot-wire array of rectangle.It similarly there are tool
There is the tester of fixed transverse rod, removable movable slider is provided with the cross bar.Finger-like testing element is disposed on these sliding blocks, should
Finger-like testing element has certain length and its one end is rotatably fixed（Pivot joint）In sliding block.Pass through finger-like testing element
Rotary motion, some regions perpendicular to cross bar can be scanned.Using the finger-like tester of both types, it can contact and survey
Try the circuit board test point of circuit board to be tested.
EP0468153A1 discloses a kind of finger-like tester, and EP0853242A1 discloses tests electricity using finger-like tester
The method of road plate.US5113133 discloses the test probe of the circuit board test point of Rapid contact circuit board to be tested.
CN102967791B patents disclose a kind of inspection method for the contact for judging digital circuit board test pen.WO9211541
Disclose the imaging system for circuit board testing device.Similar to X-Y video recorders, the imaging system has removable cross bar,
Measuring head with vertical movable detection pin is housed on cross bar.An imaging device is housed on the position close to testing needle, it
Including lens and CCD elements.Display image as caused by imaging device on a monitor, by shown on screen
Image, operator track all contact points to be tested and arrange relevant coordinate, thus during discussion (teach-in) is handled
Control measuring head.During test, device from each contact point of motion tracking and contacts these contact points with testing needle.
But when circuit-under-test plate is attached on testboard, and by circuit-under-test plate after completion circuit board testing
When being taken out from testboard, for the ease of the placement and taking-up of circuit-under-test plate, prevent test probe from occurring with circuit-under-test plate
Collide and cause to damage, enough operating spaces are needed between circuit-under-test plate and test probe.Meanwhile in the process of test
In, in order to improve testing efficiency, reduce test probe and touch the stroke between test point in position of readiness and test probe, need
Want test probe and the distance between circuit-under-test plate as small as possible.Also to prevent in test process, be tested under probe simultaneously
When transposing touches test point, because test probe move down stroke it is excessive cause the damage of testing probe and circuit-under-test plate.It is and existing
Circuit board detection device in technology can not solve these problems well.
The schematic diagram of printed circuit board is designed with eda tool in a computer, schematic diagram represents electronic component connection
Logical relation, also known as logic chart.According to principle diagram design PCB figures, printed circuit board then is processed according to PCB patterns, and
Welding equipment component obtains circuit board entity.Debugging and test process to circuit board entity, it is that acquisition circuit board entity is each
The process that the running status of signal is confirmed one by one with principle diagram design expectation.
The debugging of current typical hardware engineer use and test process are：
1）The logical signal for looking for needs to test on circuit theory diagrams.2）It is corresponding that the signal is manually found in PCB figures
PCB contact positions.3）Manually contact physical location is physically found in circuit board.4）Test equipment probe hand-manipulated（Refer to
Shape tester）With contact.5）Test result is observed in test equipment.6）Manually compare and whether meet with expected design.
Utility model content
The technical problems to be solved in the utility model is that：It is new for technical problem existing for prior art, this practicality
Type provides a kind of installation, taking-up circuit-under-test plate is convenient, testing efficiency is high, can effectively prevent circuit-under-test plate and test probe damage
Bad circuit board detection device and system.
In order to solve the above technical problems, the utility model proposes technical scheme be：A kind of circuit board detection device, bag
Include：Base, circuit-under-test plate erecting bed, erecting bed lifting assembly, probe plane moving assembly, test probe；
The erecting bed lifting assembly is arranged on base, for drive the circuit-under-test plate erecting bed to rise or under
Drop；
The circuit-under-test plate erecting bed is arranged on the erecting bed lifting assembly, for circuit-under-test to be fixedly mounted
Plate；
The probe plane moving assembly, installed in the top of the circuit-under-test plate erecting bed, for driving test to visit
Head moves in the horizontal plane；
The test probe is arranged on the probe plane moving assembly, has test probe moving up and down, is used
In the test signal of collection circuit-under-test plate.
As further improvement of the utility model, the erecting bed lifting assembly includes the first Z axis, lifting driving group
Part；
First Z axis is vertically fixedly mounted on the base, and the lifting drive component is arranged on first Z axis
On, and can be risen or fallen along first Z axis.
As further improvement of the utility model, the first locating piece and/or the second positioning are provided with first Z axis
Block, first locating piece are used for the test position for limiting the first Z axis, and second locating piece is used for the peace for limiting the first Z axis
Holding position.
As further improvement of the utility model, the probe plane moving assembly includes X and moved to moving assembly, Y-direction
Dynamic component；The X is orthogonal in the horizontal plane with Y-direction moving assembly to moving assembly, and the X is used to drive to moving assembly
The Y-direction moving assembly moves along X-direction；The Y-direction moving assembly is used to drive the test probe to move along Y direction
It is dynamic.
As further improvement of the utility model, the test probe include structural body, motor, the second Z axis,
Probe installation portion and test probe；
The motor is used to drive second Z axis to move up and down；
The probe installation portion is arranged on the lower end of second Z axis；
The test probe is arranged on the probe installation portion, for gathering the test signal of circuit-under-test plate.
, can be along institute when the probe installation portion is by upward active force as further improvement of the utility model
State the contraction of the second Z-direction；
The test probe also includes limit switch, and the limit switch is used to detecting the probe installation portion along described the
Two Z-direction contraction states, and produce and stop the electric signal that test probe moves down.
As further improvement of the utility model, in addition to auxiliary Z axis, the auxiliary Z axis is vertically fixedly mounted on institute
State on base, slip limited block is provided with the circuit-under-test plate erecting bed, the slip limited block can be along the auxiliary Z axis
Slide up and down.
A kind of base circuit board detecting system, including foregoing circuit board checking device and detection computer；The computer with
The erecting bed lifting assembly connection of the circuit board detection device, refers to for sending elevating control to the erecting bed lifting assembly
Order；The computer is connected with the probe plane moving assembly of the circuit board detection device, for being moved to the probe plane
Dynamic component sends planar movement instruction；The computer is connected with the test probe of the circuit board detection device, for survey
Probe header sends probe elevating control instruction, receives and analyze the test signal obtained described in the test probe.
Compared with prior art, the utility model has the advantage of：
1st, the utility model is simple in construction, by the way that circuit-under-test plate erecting bed is arranged on erecting bed lifting assembly, leads to
Cross erecting bed lifting assembly and drive the lifting of circuit-under-test plate erecting bed, it is ensured that when installing and taking out circuit-under-test plate, quilt
There are enough spaces between slowdown monitoring circuit plate and test probe, prevent from colliding when installing or taking out circuit-under-test plate, cause
Circuit-under-test plate or test probe damage；Meanwhile in test process, erecting bed lifting assembly is by circuit-under-test plate erecting bed
Rise to test position so that test probe and the distance between circuit-under-test plate are smaller, are surveyed every time so as to reduce test probe
The stroke of examination, improves testing efficiency.
2nd, the utility model aids in Z axis by setting, and circuit-under-test plate erecting bed is by sliding limited block on auxiliary Z axis
Slide, it is ensured that circuit-under-test plate erecting bed operates steadily raising and lowering process.
3rd, the utility model is connect by installing limit switch, detection test probe in test probe with circuit-under-test plate
The situation of touching, stop test probe in time and move down, can effectively prevent because the stroke that moves down of test probe is long, and lead
Cause circuit-under-test plate and test the damage of probe.
Brief description of the drawings
Fig. 1 is the Product Perspective structural representation of the utility model circuit board detection device specific embodiment.
Fig. 2 is the test probe structural representation of the utility model circuit board detection device specific embodiment.
Fig. 3 is the limit switch structure schematic diagram of the utility model circuit board detection device specific embodiment.
Fig. 4 is the utility model circuit board detecting system specific embodiment structural topology schematic diagram.
Marginal data：1st, base；2nd, circuit-under-test plate erecting bed；3rd, erecting bed lifting assembly；31st, the first Z axis；32nd, rise
Drive component drops；4th, probe plane moving assembly；41st, X is to moving assembly；42nd, Y-direction moving assembly；5th, test probe；51st, tie
Structure body；52nd, motor；53rd, the second Z axis；54th, probe installation portion；55th, probe is tested；56th, limit switch；6th, Z is aided in
Axle.
Embodiment
The utility model is further described below in conjunction with Figure of description and specific preferred embodiment, but not because
This and limit the scope of protection of the utility model.
As shown in figure 1, the circuit board detection device of the present embodiment, including：Base 1, circuit-under-test plate erecting bed 2, installation
Platform lifting assembly 3, probe plane moving assembly 4, test probe 5；Erecting bed lifting assembly 3 is arranged on base 1, for driving
Circuit-under-test plate erecting bed 2 rises or falls；Circuit-under-test plate erecting bed 2 is arranged on erecting bed lifting assembly 3, for fixing
Circuit-under-test plate is installed；Probe plane moving assembly 4, installed in the top of circuit-under-test plate erecting bed 2, for driving test to visit
First 5 move in the horizontal plane；Test probe 5 is arranged on probe plane moving assembly 4, has test probe moving up and down
55, for gathering the test signal of circuit-under-test plate.
In the present embodiment, erecting bed lifting assembly 3 includes the first Z axis 31, lifting drive component 32；First Z axis 31 hangs down
Directly be fixedly mounted on base 1, lifting drive component 32 be arranged on the first Z axis 31 on, and can rise along the first Z axis 31 or under
Drop.The first locating piece and/or the second locating piece are provided with first Z axis 31, the first locating piece is used for the inspection for limiting the first Z axis 31
Location is put, and the second locating piece is used for the installation site for limiting the first Z axis 31.
In the present embodiment, the first Z axis 31 is screw mandrel, and lifting drive component 32 is spindle motor and corresponding mounting structure,
Drive component 32 can be lifted on the first Z axis 31 by spindle motor and carry out lifting moving.Because circuit-under-test plate is pacified
Dress platform 2 is fixedly mounted on lifting drive component 32, then circuit-under-test plate erecting bed 2 can be caused to be lifted on the first Z axis 31
It is mobile.Certainly, the first Z axis 31 and lifting drive component 32 can also be other forms.Laid in circuit board detection device tested
During circuit board, or detection end, when removing circuit-under-test plate, erecting bed lifting assembly 3 causes under circuit-under-test plate erecting bed 2
The position that the second locating piece is limited is down to, so that the distance between circuit-under-test plate and test probe 5 are pulled open, is had larger
Operating space carry out circuit-under-test plate placement or removal operation, prevent from touching between circuit-under-test plate and test probe 5
Hit, cause to damage.When being tested, erecting bed lifting assembly 3 causes circuit-under-test plate erecting bed 2 to rise to the first locating piece
Limited test position, now, test probe 5 and the distance between circuit-under-test plate are smaller, and test probe 5, which needs to drive, to be surveyed
Sound out pin 55 and move down shorter distance, you can realize the contact between test probe 55 and the test point of circuit-under-test plate, carry out
Test.Because the shift motion for testing probe 55 is shorter, the time of mobile test probe 55 can be shortened, improve testing efficiency.
It should be noted that can also only in drive component 32 lift by control the stroke of spindle motor determine test position with
Installation site.
In the present embodiment, probe plane moving assembly 4 includes X to moving assembly 41, Y-direction moving assembly 42；X is to movement
Component 41 is orthogonal in the horizontal plane with Y-direction moving assembly 42, and X is used to drive Y-direction moving assembly 42 along X to moving assembly 41
Direction of principal axis moves；Y-direction moving assembly 42 is used to drive test probe 5 to move along Y direction.As shown in figure 1, in the present embodiment
In, also including shell, shell is fixed on base 1, and shell upwardly extends, and in the upper square of circuit-under-test plate erecting bed 2
Into upper lid, probe plane moving assembly 4 is fixedly mounted on lid.Certainly, probe plane moving assembly 4 can also use other
Form, column is such as set on base 1, then probe plane moving assembly 4 is fixedly mounted on column, so that probe is flat
Face moving assembly 4 is arranged on the top of circuit-under-test plate erecting bed 2.
In the present embodiment, X is that two X parallel to each other move to leading screw and X to motor, Y-direction to moving assembly 41
Dynamic component is vertical to moving assembly with X, and is driven positioned at two X parallel to each other to the Y-direction leading screw between leading screw and Y-direction
Motor.By X to motor can Y-direction moving assembly X on leading screw along X to translating in the horizontal plane.Test is visited
First 5 be arranged on Y-direction moving assembly on, by Y-direction motor can test probe 5 on Y-direction leading screw along Y-direction in level
Translated on face.By X to moving assembly and Y-direction moving assembly, test probe 5 can be caused to be moved to tested electricity in the horizontal plane
Any point above the plate level face of road.
As shown in Fig. 2 in the present embodiment, test probe 5 include structural body 51, motor 52, the second Z axis 53,
Probe installation portion 54 and test probe 55；Motor 52 is used to drive the second Z axis 53 to move up and down；Probe installation portion 54 is installed
In the lower end of the second Z axis 53；Test probe 55 to be arranged on probe installation portion 54, the test for gathering circuit-under-test plate is believed
Number.
In the present embodiment, when probe installation portion 54 is by upward active force, can be shunk along the direction of the second Z axis 53；
Test probe 5 also includes limit switch 56, and it is contraction-like along the direction of the second Z axis 53 that limit switch 56 is used for detection probe installation portion 54
State, and produce and stop the electric signal that test probe 55 moves down.In test, test probe 55 is arranged on probe installation portion 54
On, after test probe 55, which moves down, to be contacted with circuit-under-test plate, because circuit-under-test plate is to the pressure of test probe 55, meeting
So that direction of the probe installation portion 54 along the second Z axis 53 is shunk upwards, the contraction state is detected by limit switch 56, when the receipts
When contracting state reaches the long stroke of limit switch 56, produce and stop the electric signal that test probe 55 moves down so that driving
Motor 52 no longer drives the second Z axis to move down, so as to ensure to test the safety of probe 55 and circuit-under-test plate.
In the present embodiment, the normal condition of limit switch 56 is as shown in figure 3, limit switch 56 is arranged on probe installation portion
On 54, triggering block is provided with the second Z axis 53, when probe installation portion 54 shrinks upwards, drives limit switch 56 to move upwards,
So that the block top pressure that is triggered at the top of limit switch so that two contacts are disconnected above limit switch 56, and following two contact is led
It is logical, so as to produce the electric signal for stopping test probe 55 and moving down so that it is downward that motor 52 stops the second Z axis 53 of driving
Motion.
As shown in figure 1, in the present embodiment, in addition to auxiliary Z axis 6, auxiliary Z axis 6 are vertically fixedly mounted on base 1,
Slip limited block is provided with circuit-under-test plate erecting bed 2, sliding limited block can slide up and down along auxiliary Z axis 6.Aid in Z axis with
First Z axis 31 is parallel, is vertically fixedly mounted on base and stops.The quantity for aiding in Z axis is 1 or more than 1, is preferably 2, equal position
In the side of circuit-under-test plate erecting bed 2, and aid in both sides of the Z axis respectively positioned at the first Z axis.Can be quilt by aiding in Z axis
Slowdown monitoring circuit plate erecting bed 2 provides multiple motion guide rails so that circuit-under-test plate erecting bed 2 is more flat in the process of raising and lowering
Surely.
As shown in figure 4, the base circuit board detecting system of the present embodiment, including foregoing circuit board checking device and detection calculate
Machine；The erecting bed lifting assembly 3 of computer and circuit board detection device connects, and is lifted for being sent to erecting bed lifting assembly 3
Control instruction；The probe plane moving assembly 4 of computer and circuit board detection device connects, for probe plane moving assembly
4 send planar movement instruction；The test probe 5 of computer and circuit board detection device connects, and is visited for being sent to test probe 5
Head elevating control instruction, receive and analyze the test signal of the acquisition of test probe 5.
Above-mentioned simply preferred embodiment of the present utility model, not makees any formal limitation to the utility model.Though
Right the utility model is disclosed above with preferred embodiment, but is not limited to the utility model.Therefore, it is every without departing from
The content of technical solutions of the utility model, any simply repaiied to made for any of the above embodiments according to the utility model technical spirit
Change, equivalent variations and modification, all should fall in the range of technical solutions of the utility model protection.
Claims (8)
- A kind of 1. circuit board detection device, it is characterised in that including：Base（1）, circuit-under-test plate erecting bed（2）, erecting bed liter Come down to a lower group part（3）, probe plane moving assembly（4）, test probe（5）；The erecting bed lifting assembly（3）Installed in base（1）On, for driving the circuit-under-test plate erecting bed（2）Rise Or decline；The circuit-under-test plate erecting bed（2）Installed in the erecting bed lifting assembly（3）On, for circuit-under-test to be fixedly mounted Plate；The probe plane moving assembly（4）, installed in the circuit-under-test plate erecting bed（2）Top, for drive test Probe（5）Move in the horizontal plane；The test probe（5）Installed in the probe plane moving assembly（4）On, there is test probe moving up and down （55）, for gathering the test signal of circuit-under-test plate.
- 2. circuit board detection device according to claim 1, it is characterised in that：The erecting bed lifting assembly（3）Including First Z axis（31）, lifting drive component（32）；First Z axis（31）Vertically it is fixedly mounted on the base（1）On, the lifting drive component（32）Installed in described First Z axis（31）On, and can be along first Z axis（31）Rise or fall.
- 3. circuit board detection device according to claim 2, it is characterised in that：First Z axis（31）On be provided with A positioning block and/or the second locating piece, first locating piece are used to limit the first Z axis（31）Test position, described second Locating piece is used to limit the first Z axis（31）Installation site.
- 4. circuit board detection device according to claim 2, it is characterised in that：The probe plane moving assembly（4）Bag X is included to moving assembly（41）, Y-direction moving assembly（42）；The X is to moving assembly（41）With Y-direction moving assembly（42）In level Orthogonal in face, the X is to moving assembly（41）For driving the Y-direction moving assembly（42）Moved along X-direction；It is described Y-direction moving assembly（42）For driving the test probe（5）Moved along Y direction.
- 5. circuit board detection device according to claim 4, it is characterised in that：The test probe（5）Including structure sheet Body（51）, motor（52）, the second Z axis（53）, probe installation portion（54）With test probe（55）；The motor（52）For driving second Z axis（53）Move up and down；The probe installation portion（54）Installed in second Z axis（53）Lower end；The test probe（55）Installed in the probe installation portion（54）On, for gathering the test signal of circuit-under-test plate.
- 6. circuit board detection device according to claim 5, it is characterised in that：When the probe installation portion（54）By to On active force when, can be along second Z axis（53）Shrink in direction；The test probe（5）Also include limit switch（56）, the limit switch（56）For detecting the probe installation portion （54）Along second Z axis（53）Direction contraction state, and produce stopping test probe（55）The electric signal moved down.
- 7. circuit board detection device according to claim 6, it is characterised in that：Also include auxiliary Z axis（6）, the auxiliary Z Axle（6）Vertically it is fixedly mounted on the base（1）On, the circuit-under-test plate erecting bed（2）On be provided with slip limited block, institute Stating slip limited block can be along the auxiliary Z axis（6）Slide up and down.
- A kind of 8. base circuit board detecting system, it is characterised in that：Including the circuit board detecting described in any one of claim 1 to 7 Device and detection computer；The erecting bed lifting assembly of the computer and the circuit board detection device（3）Connection, for The erecting bed lifting assembly（3）Send elevating control instruction；The probe of the computer and the circuit board detection device is put down Face moving assembly（4）Connection, for the probe plane moving assembly（4）Send planar movement instruction；The computer with The test probe of the circuit board detection device（5）Connection, for test probe（5）Probe elevating control instruction is sent, is connect Receive and analyze the test probe（5）Acquired test signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600396.2U CN207067334U (en) | 2017-05-26 | 2017-05-26 | A kind of circuit board detection device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600396.2U CN207067334U (en) | 2017-05-26 | 2017-05-26 | A kind of circuit board detection device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207067334U true CN207067334U (en) | 2018-03-02 |
Family
ID=61504996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600396.2U Withdrawn - After Issue CN207067334U (en) | 2017-05-26 | 2017-05-26 | A kind of circuit board detection device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207067334U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015137A (en) * | 2017-05-26 | 2017-08-04 | 深圳市赛伦北斗科技有限责任公司 | A kind of circuit board detection device, system and method |
| CN108387839A (en) * | 2018-03-15 | 2018-08-10 | 昆山翰辉电子科技有限公司 | The automatic electric logging equipment of wiring board |
| CN111060769A (en) * | 2019-12-31 | 2020-04-24 | 瑞斯康达科技发展股份有限公司 | Test system and test method |
-
2017
- 2017-05-26 CN CN201720600396.2U patent/CN207067334U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015137A (en) * | 2017-05-26 | 2017-08-04 | 深圳市赛伦北斗科技有限责任公司 | A kind of circuit board detection device, system and method |
| CN107015137B (en) * | 2017-05-26 | 2023-12-08 | 深圳市赛伦北斗科技有限责任公司 | Circuit board detection device, system and method |
| CN108387839A (en) * | 2018-03-15 | 2018-08-10 | 昆山翰辉电子科技有限公司 | The automatic electric logging equipment of wiring board |
| CN111060769A (en) * | 2019-12-31 | 2020-04-24 | 瑞斯康达科技发展股份有限公司 | Test system and test method |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180302 Effective date of abandoning: 20230315 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180302 Effective date of abandoning: 20230315 |