CN102866167A - Offline detecting system and method of circuit board - Google Patents
Offline detecting system and method of circuit board Download PDFInfo
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- CN102866167A CN102866167A CN2012104007918A CN201210400791A CN102866167A CN 102866167 A CN102866167 A CN 102866167A CN 2012104007918 A CN2012104007918 A CN 2012104007918A CN 201210400791 A CN201210400791 A CN 201210400791A CN 102866167 A CN102866167 A CN 102866167A
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Abstract
The invention discloses an offline detecting system and method of a circuit board. The offline detecting system provided by the embodiment of the invention comprises two loading plates, two working areas, three lead rails, three motors and a controller, wherein the controller can control the starting and rotating modes of the three motors, and can control the circuit board in one loading plate to take a picture for detecting and synchronously control the other loading plate to load the circuit board and the like, so that the time for waiting can be reduced, and the circuit boards can be alternatively and continuously detected, so that the working efficiency is improved.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of off-line checking system and method for circuit board.
Background technology
Along with the development of the communication technology and the raising of production technology, the printed circuit board line pattern that uses in the surface installation technique (SMT) becomes more meticulous, the microminiaturization of SMD element and SMT assembly High Density Packaging, for guaranteeing the quality of product, automated optical detects (Automatic Optic Inspection is called for short AOI) equipment and is generally used.The high-speed, high precision visual processes technology of using AOI equipment detects various different note wrongly installed mistakes and weld defects on the pcb board automatically, and the scope of pcb board can be from the thin space density board to the low-density larger size panel.Using AOI equipment to carry out defects detection at first needs the slip-stick artist to make the defects detection formula, the physical location of upper each components and parts of the PCB that this formula essential record need to detect and the content that need to detect.
The detection ultimate principle of existing off-line AOI as shown in Figure 1.The circuit board that at first will need to detect places on the workbench of AOI, from computer system, access the trace routine that needs testing product, X-Y motion positions mechanism delivers to circuit board according to the order of setting program below the camera lens of camera system, under the assistance of light source, camera lens can capture the needed image of AOI system, and then send the picture catching acquisition system to, finish image acquisition by the picture catching acquisition system, computer system is carried out analyzing and processing to the image that gathers, and result passed to the demonstration output system, just can carry out real-time monitored and finish other corresponding control procedures image by showing output system.
After having detected current circuit board, this circuit board is taken off from workbench, the circuit board that again next one need to be detected is placed on the workbench, then passes through the steps such as location, shooting, image acquisition, analysis, demonstration, the detection of the completing circuit that so circulates.
In the research and practice process to the method, the present inventor finds, detection to circuit board need to be carried out successively, must wait for that the lastblock circuit board detecting is finished and the platform of deactivating after just can reappose next piece circuit board, and then carry out the detection of second circuit board, the time that this off-line AOI mode consumes is long, very uneconomical.
Summary of the invention
The embodiment of the invention provides a kind of circuit board off-line checking system and method, to accelerating the detection speed to circuit board, raises the efficiency.
The embodiment of the invention provides a kind of circuit board off-line checking system, comprising: camera arrangement, for the image of acquisition cuicuit plate;
The first load plate and the second load plate are used for the loading circuit plate;
Horizontal motor is used for driving the motion of described camera arrangement on horizontal guide rail;
The first motor vertical is used for driving the motion of described the first load plate on the first vertical guide rail;
The second motor vertical is used for driving the motion of described the second load plate on the second vertical guide rail;
Controller is for startup and the rotating manner of controlling described horizontal motor, the first motor vertical and the second motor vertical.
Wherein, controller can be controlled the driving of the first motor vertical and be mounted with the first load plate of circuit board from the first default upper and lower plates regional movement to the first default perform region, control the described camera arrangement of described horizontal motor-driven and move to the top of described the first load plate, and control described camera arrangement the circuit board in described the first load plate is taken pictures;
When described camera arrangement is taken pictures to the circuit board in described the first load plate, control described the second motor vertical and drive described the second load plate and carry out the loading of circuit board in the second default upper and lower plates zone, and control described the second motor vertical and drive described the second load plate and move to default territory, secondary service area;
After described camera arrangement is taken pictures to the circuit board in described the first load plate, control the described camera arrangement of described horizontal motor-driven and move to the top of described the second load plate, and control described camera arrangement the circuit board in described the second load plate is taken pictures;
When described camera arrangement is taken pictures to the circuit board in described the second load plate, control described the first motor vertical and drive described the first load plate and move to described the first upper and lower plates zone from described the first perform region and carry out the replacing of circuit board.
The embodiment of the invention also provides a kind of circuit board off-line checking method, and the method is used for above-mentioned circuit board off-line checking system, may further comprise the steps:
Described the first motor vertical control is equipped with the first load plate of circuit board from the first default upper and lower plates regional movement to the first perform region;
The described camera arrangement of described horizontal Electric Machine Control moves to the top of described the first load plate, and described camera arrangement is taken pictures to the circuit board in described the first load plate;
When described camera arrangement is taken pictures to the circuit board in described the first load plate, described the second motor vertical is controlled described the second load plate and is carried out the loading of circuit board in the second default upper and lower plates zone, and controls described the second load plate and move to default territory, secondary service area;
Finish after the taking pictures of the circuit board in described the first load plate at described camera arrangement, the described camera arrangement of described horizontal Electric Machine Control moves to the top of described the second load plate, and described camera arrangement is taken pictures to the circuit board in described the second load plate;
When described camera arrangement is taken pictures to the circuit board in described the second load plate, described the first motor vertical is controlled described the first load plate and is moved to described the first upper and lower plates zone from described the first perform region and carry out the replacing of circuit board, then returns to carry out by described the first motor vertical control the first load plate of circuit board to be housed from the first default upper and lower plates regional movement to the first perform region.
The circuit board off-line checking system that the embodiment of the invention provides is provided with two load plate, two perform regions, article three, guide rail, three motors and controller, controller can be controlled start-up time and the rotating manner of three motors, for example can control circuit board in the first load plate when taking pictures in the first perform region, the second load plate is carried out the loading of circuit board and is moved to the territory, secondary service area, camera arrangement is taken pictures to the circuit board in the first load plate and is namely moved to the top of the first load plate after finishing, circuit board in the second load plate is taken pictures, in this simultaneously, the replacing of circuit board is carried out in the first upper and lower plates zone of the first load plate motion, the so circulation loading of repeatedly carrying out circuit board detection of taking pictures, compared with prior art, the detection system that the embodiment of the invention provides need not to wait a circuit board to take pictures to test and finishes, just can load second circuit board, just finish when first circuit board testing and can immediately begin the test of second circuit board, effectively saved the time of middle wait.
Description of drawings
Fig. 1 is the basic principle schematic that off-line AOI detects in the prior art;
Fig. 2 is a kind of circuit board off-line checking system structural representation that the embodiment of the invention provides;
Fig. 3 is the another kind of circuit board off-line checking system structural representation that the embodiment of the invention provides.
Embodiment
The embodiment of the invention provides a kind of circuit board off-line checking system, to accelerating the detection speed to circuit board, raises the efficiency.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the embodiment of a part of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills should belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of circuit board off-line checking system, comprising:
Camera arrangement is for the image of acquisition cuicuit plate;
The first load plate and the second load plate are used for the loading circuit plate;
Horizontal motor is used for driving the motion of described camera arrangement on horizontal guide rail;
The first motor vertical is used for driving the motion of described the first load plate on the first vertical guide rail;
The second motor vertical is used for driving the motion of described the second load plate on the second vertical guide rail;
Controller is for startup and the rotating manner of controlling described horizontal motor, the first motor vertical and the second motor vertical.
Need to prove, horizontal guide rail and the first vertical guide rail consist of the work coordinate system T1 of the first load plate, work coordinate system T2.T1 and T2 that horizontal guide rail and the second vertical guide rail consist of the second load plate share horizontal guide rail, consist of separately independently work coordinate system.After detection system powers on, camera arrangement, the first load plate and the second load plate are got back to respectively the first default initial point, the second initial point and the 3rd initial point, return initial point finish after coordinate system T1, T2 namely set up and finish, can carry out the automated optical detection related work of (Automatic Optic Inspection is called for short AOI).
When carrying out circuit board detecting, controller is at first controlled the first load plate and is loaded the circuit board that needs detection in the first upper and lower plates zone, and control the first load plate and move to the first perform region, horizontal motor and the first motor vertical carry out precise positioning to the circuit board in the first load plate jointly, camera arrangement is delivered to the top that circuit board in the first load plate need to detect the position, access the trace routine that needs testing product, under the assistance of special light sources, camera lens can capture the image that needs and carry out analyzing and processing;
When camera arrangement is taken pictures to the circuit board in the first load plate, controller is controlled the second load plate and is carried out the loading of circuit board in the second upper and lower plates zone, and controlling the second load plate, to move to territory, secondary service area etc. to be tested, finish after the taking pictures of the circuit board in the first load plate at camera arrangement, horizontal motor and the second motor vertical carry out precise positioning to the circuit board in the second load plate jointly, camera arrangement is delivered to the top that circuit board in the second load plate need to detect the position, and access trace routine, under the assistance of special light sources, camera lens can capture the image that needs and carry out analyzing and processing;
When the circuit board in camera arrangement loads second is taken pictures, the first load plate moves to the first upper and lower plates zone and carries out the replacing of circuit board, return and carry out from detections of taking pictures to the first perform region of the first upper and lower plates regional movement, circulate repeatedly successively.
As from the foregoing, the circuit board off-line checking system that the embodiment of the invention provides is provided with two load plate, two perform regions, three cover guide rails, three motors and controller, controller is used for startup and the rotating manner of three motors of control, can be according to the startup and the rotating manner that detect three motors of needs control, therefore controller can be controlled circuit board in the first load plate when taking pictures in the first perform region, controlling the second load plate carries out the loading of circuit board and moves to the territory, secondary service area, camera arrangement is taken pictures to the circuit board in the first load plate and is namely moved to the top of the second load plate after finishing, circuit board in the second load plate is taken pictures, in this simultaneously, the replacing of circuit board is carried out in the first upper and lower plates zone of the first load plate motion, the so circulation loading of repeatedly carrying out circuit board detection of taking pictures, compared with prior art, the detection system that the embodiment of the invention provides need not wait a circuit board take pictures the test finish, just can load second circuit board, just finish when first circuit board testing and can immediately begin the test of second circuit board, effectively saved the time of middle wait.
The embodiment of the invention provides another kind of circuit board off-line checking system, referring to shown in Figure 2, comprising:
Camera arrangement (not shown among Fig. 2) is for the image of acquisition cuicuit plate;
The first load plate TableA and the second load plate Table B are used for placing circuit board;
Horizontal motor M 1 is used for driving the motion of camera arrangement on horizontal guide rail L1;
The first motor vertical M2 is used for driving the first motion of load plate Table A on the first vertical guide rail L2;
The second motor vertical M3 is used for driving the second motion of load plate Table B on the second vertical guide rail L3;
Controller (not shown among Fig. 2), be connected with camera arrangement, horizontal motor M 1, the first motor vertical M2 and the motor vertical M3 of being connected, be used for control the first motor vertical M2 driving and be mounted with the first load plate TableA of circuit board from the first default upper and lower plates regional movement to the first default perform region; The horizontal motor M 1 of control drives the top that camera arrangement moves to the first load plate Table A, and the control camera arrangement is taken pictures to the circuit board among the first load plate Table A;
When camera arrangement is taken pictures to the circuit board among the first load plate Table A, controller is controlled the second motor vertical M3 and is driven the second load plate Table B and carry out the loading of circuit board in the second default zone on and off duty, and controls the second motor vertical M3 and drive the second load plate Table B and move to default territory, secondary service area;
Finish after the taking pictures of the circuit board among the first load plate Table A at camera arrangement, the horizontal motor M 1 of controller control drives the top that camera arrangement moves to the second load plate Table B, and the control camera arrangement is taken pictures to the circuit board among the second load plate Table B;
When camera arrangement was taken pictures to the circuit board among the second load plate Table B, controller was controlled the first motor vertical M2 and is driven the first load plate Table A and move to the first upper and lower plates zone from the first perform region and carry out the replacing of circuit board;
The first origin sensor X1, the second origin sensor X2 and the 3rd origin sensor X3, before the circuit board off-line checking system is started working, the first origin sensor X1 is used for making camera arrangement be positioned at the first default initial point, the second origin sensor X2 is used for making the first load plate Table A be positioned at the second default initial point, and the 3rd origin sensor X3 is used for making the second load plate Table B be positioned at the 3rd default initial point.
Wherein, above-mentioned the first initial point is positioned on the horizontal guide rail, and the second initial point is positioned on the first vertical guide rail, and the 3rd initial point is positioned on the second vertical guide rail; Generally according to the drafting board area requirement the first initial point, the second initial point and the 3rd initial point are set, the first initial point, the second initial point and the 3rd origin position can be done the short distance adjustment simultaneously;
Need to prove, the first load plate Table A among the present invention is behind the loading circuit plate of the first upper and lower plates zone, the first motor vertical M2 drives the first load plate Table A and enters the first perform region, and then horizontal motor M 1 and the first motor vertical M2 detect in conjunction with beginning that the circuit board among the first load plate Table A is carried out AOI.Meanwhile, the second load plate Table B loads second circuit board in the second upper and lower plates zone, after loading is finished, the second motor vertical M3 drives the second load plate Table B, and to enter territory, secondary service area etc. to be detected, after circuit board detecting among the first load plate Table A was finished, horizontal motor M 1 and the second motor vertical M3 detected in conjunction with beginning that the circuit board among the second load plate Table B is carried out AOI.Meanwhile, the first motor vertical M2 drives the first load plate Table A and returns to the loading that the 3rd circuit board carried out in the first upper and lower plates zone.So the AOI detection of circuit board is carried out in circulation repeatedly.
Therefore, because the circuit board off-line checking system that provides of the embodiment of the invention comprises two load plate, two perform regions, three cover guide rails, three motor and controller, when taking pictures detection, a circuit board carries out the preliminary works such as loading of another piece circuit board, reduced the time of middle wait, realize that circuit board replaces continuous detecting, improved work efficiency.
Further, the circuit board off-line checking system that provides of the embodiment of the invention also comprises Horizontal limiting sensor and vertical limit sensors;
The Horizontal limiting sensor is used for limiting camera arrangement range of movement in the horizontal direction;
Vertical limit sensors is for limiting the respectively range of movement on the first vertical guide rail L2 and the second vertical guide rail L3 of the first load plate Table A and the second load plate Table B.
Concrete, referring to shown in Figure 3, the circuit board off-line checking system also comprises the first Horizontal limiting sensors X 4, the second Horizontal limiting sensors X 5, the first vertical limit sensors X6, the second vertical limit sensors X7, the 3rd vertical limit sensors X8 limit sensors X9 vertical with the 4th;
The first Horizontal limiting sensors X 4 be used for limiting camera arrangement on horizontal guide rail L1 with respect to the scope of the first default initial point to left movement, the second Horizontal limiting sensors X 5 is used for limiting the scope that camera arrangement moves right with respect to the first default initial point on horizontal guide rail L1, the first vertical limit sensors X6 is used for limiting the scope that the first load plate Table A moves upward with respect to the second default initial point on the first vertical guide rail L2, the second vertical limit sensors X7 is used for limiting the scope that the first load plate Table A moves downward with respect to the second default initial point on the first vertical guide rail L2, the 3rd vertical limit sensors X8 is used for limiting the scope that the second load plate Table B moves upward with respect to the 3rd default initial point on the second vertical guide rail L3, the 4th vertical limit sensors X9 is used for limiting the scope that the second load plate Table B moves downward with respect to the 3rd default initial point on the second vertical guide rail L3.
This shows, the first Horizontal limiting sensors X 4, the second Horizontal limiting sensors X 5, the first vertical limit sensors X6, the second vertical limit sensors X7, the 3rd vertical limit sensors X8 limit sensors X9 vertical with the 4th can guarantee that the first load plate and the second load plate move within the specific limits.Generally speaking, the interior work of distance that camera arrangement can set take the first initial point as reference, the interior work of distance that the first load plate can set take the second initial point as reference, the interior motion of distance that the second load plate can set take the 3rd initial point as reference, if occur abnormal conditions in the course of work, camera arrangement has exceeded the distance range that limits, and has collided the first Horizontal limiting sensors X 4 or the second Horizontal limiting sensors X 5; Perhaps the first load plate has exceeded the distance range that limits, and has collided the first vertical limit sensors X6 or the second vertical limit sensors X7; Perhaps the second load plate has exceeded the distance range that limits, the 3rd vertical limit sensors X8 or the 4th vertical limit sensors X9 have been collided, then the circuit board detecting system can immediately quit work, and runs into limit sensors by software operation interface prompt load plate simultaneously.
The embodiment of the invention also provides a kind of method of circuit board offline inspection, is applied in the circuit board off-line checking system that above-mentioned any one embodiment provides, and the method may further comprise the steps:
Described the first motor vertical control is equipped with the first load plate of circuit board from the first default upper and lower plates regional movement to the first perform region;
The described camera arrangement of described horizontal Electric Machine Control moves to the top of described the first load plate, and described camera arrangement is taken pictures to the circuit board in described the first load plate;
When described camera arrangement is taken pictures to the circuit board in described the first load plate, described the second motor vertical is controlled described the second load plate and is carried out the loading of circuit board in the second default upper and lower plates zone, and controls described the second load plate and move to default territory, secondary service area;
Finish after the taking pictures of the circuit board in described the first load plate at described camera arrangement, the described camera arrangement of described horizontal Electric Machine Control moves to the top of described the second load plate, and described camera arrangement is taken pictures to the circuit board in described the second load plate;
When described camera arrangement is taken pictures to the circuit board in described the second load plate, described the first motor vertical is controlled described the first load plate and is moved to described the first upper and lower plates zone from described the first perform region and carry out the replacing of circuit board, then returns to carry out by described the first motor vertical control the first load plate of circuit board to be housed from the first default upper and lower plates regional movement to the first perform region.
Therefore, the circuit board off-line checking method that the embodiment of the invention provides is when detecting the circuit board in the first load plate, the second load plate is carried out the preliminary works such as loading of circuit board, and etc. to be detected, after the detection of the circuit board in finishing the first load plate, namely begin the circuit board in the second support plate is detected, meanwhile, control the first load plate and return the preliminary works such as loading of carrying out circuit board, the so circulation loading of repeatedly carrying out circuit board detection of taking pictures, reduce the time of middle wait, realized that circuit board replaces continuous detecting, improved work efficiency.
Above circuit board off-line checking system and the method that the embodiment of the invention is provided is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. a circuit board off-line checking system is characterized in that, comprising:
Camera arrangement is for the image of acquisition cuicuit plate;
The first load plate and the second load plate are used for the loading circuit plate;
Horizontal motor is used for driving the motion of described camera arrangement on horizontal guide rail;
The first motor vertical is used for driving the motion of described the first load plate on the first vertical guide rail;
The second motor vertical is used for driving the motion of described the second load plate on the second vertical guide rail;
Controller is for startup and the rotating manner of controlling described horizontal motor, the first motor vertical and the second motor vertical.
2. circuit board off-line checking system according to claim 1 is characterized in that, described controller specifically comprises for start-up time and the rotating manner of controlling described horizontal motor, the first motor vertical and the second motor vertical:
Described controller is controlled the driving of the first motor vertical and is mounted with the first load plate of circuit board from the first default upper and lower plates regional movement to the first default perform region, control the described camera arrangement of described horizontal motor-driven and move to the top of described the first load plate, and control described camera arrangement the circuit board in described the first load plate is taken pictures;
When described camera arrangement is taken pictures to the circuit board in described the first load plate, control described the second motor vertical and drive described the second load plate and carry out the loading of circuit board in the second default upper and lower plates zone, and control described the second motor vertical and drive described the second load plate and move to default territory, secondary service area;
After described camera arrangement is taken pictures to the circuit board in described the first load plate, control the described camera arrangement of described horizontal motor-driven and move to the top of described the second load plate, and control described camera arrangement the circuit board in described the second load plate is taken pictures;
When described camera arrangement is taken pictures to the circuit board in described the second load plate, control described the first motor vertical and drive described the first load plate and move to described the first upper and lower plates zone from described the first perform region and carry out the replacing of circuit board.
3. circuit board off-line checking system according to claim 1 is characterized in that, also comprises the first origin sensor, the second origin sensor and the 3rd origin sensor;
Before described circuit board off-line checking system was started working, described the first origin sensor, the second origin sensor and the 3rd origin sensor were respectively applied to make that described camera arrangement is positioned at the first default initial point, described the first load plate is positioned at the second default initial point and described the second load plate is positioned at the 3rd default initial point.
4. circuit board off-line checking system according to claim 1 is characterized in that, also comprises Horizontal limiting sensor and vertical limit sensors;
Described Horizontal limiting sensor is used for limiting described camera arrangement range of movement in the horizontal direction;
Described vertical limit sensors is for limiting the respectively range of movement on described the first vertical guide rail and the second vertical guide rail of described the first load plate and described the second load plate.
5. circuit board off-line checking system according to claim 3 is characterized in that, described circuit board off-line checking system also comprises the first Horizontal limiting sensor and the second Horizontal limiting sensor;
Described the first Horizontal limiting sensor be used for limiting described camera arrangement on described horizontal guide rail with respect to the scope of the first default initial point to left movement, described the second Horizontal limiting sensor is used for limiting the scope that described camera arrangement moves right with respect to the first default initial point on described horizontal guide rail.
6. circuit board off-line checking system according to claim 3 is characterized in that, described circuit board off-line checking system also comprises the first vertical limit sensors, the second vertical limit sensors, the 3rd vertical limit sensors limit sensors vertical with the 4th;
The described first vertical limit sensors limit sensors vertical with second is respectively applied to limit the scope that described the first load plate is moved up and down with respect to the second default initial point on described the first vertical guide rail;
The described the 3rd vertical limit sensors limit sensors vertical with the 4th is respectively applied to limit the scope that described the second load plate is moved up and down with respect to the 3rd default initial point on described the second vertical guide rail.
7. a circuit board off-line checking method is used for each described circuit board off-line checking system of claim 1 to 6, it is characterized in that, the method may further comprise the steps:
Described the first motor vertical control is equipped with the first load plate of circuit board from the first default upper and lower plates regional movement to the first perform region;
The described camera arrangement of described horizontal Electric Machine Control moves to the top of described the first load plate, and described camera arrangement is taken pictures to the circuit board in described the first load plate;
When described camera arrangement is taken pictures to the circuit board in described the first load plate, described the second motor vertical is controlled described the second load plate and is carried out the loading of circuit board in the second default upper and lower plates zone, and controls described the second load plate and move to default territory, secondary service area;
Finish after the taking pictures of the circuit board in described the first load plate at described camera arrangement, the described camera arrangement of described horizontal Electric Machine Control moves to the top of described the second load plate, and described camera arrangement is taken pictures to the circuit board in described the second load plate;
When described camera arrangement is taken pictures to the circuit board in described the second load plate, described the first motor vertical is controlled described the first load plate and is moved to described the first upper and lower plates zone from described the first perform region and carry out the replacing of circuit board, then returns to carry out by described the first motor vertical control the first load plate of circuit board to be housed from the first default upper and lower plates regional movement to the first perform region.
8. circuit board off-line checking method according to claim 7 is characterized in that, described method also comprises:
Before described circuit board off-line checking system is started working, make that described horizontal motor is positioned at the first default initial point, described the first motor vertical is positioned at the second default initial point and described the second motor vertical is positioned at the 3rd default initial point.
9. circuit board off-line checking method according to claim 7 is characterized in that,
Stop motion when described camera arrangement or the first load plate or the second load plate move to default limit point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104007918A CN102866167A (en) | 2012-10-19 | 2012-10-19 | Offline detecting system and method of circuit board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104007918A CN102866167A (en) | 2012-10-19 | 2012-10-19 | Offline detecting system and method of circuit board |
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| CN102866167A true CN102866167A (en) | 2013-01-09 |
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| CN2012104007918A Pending CN102866167A (en) | 2012-10-19 | 2012-10-19 | Offline detecting system and method of circuit board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105259684A (en) * | 2015-11-20 | 2016-01-20 | 武汉精测电子技术股份有限公司 | Double-station offline detecting system and method of liquid crystal panel |
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| CN202974878U (en) * | 2012-10-19 | 2013-06-05 | 深圳市劲拓自动化设备股份有限公司 | Off-line detection system of circuit board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259684A (en) * | 2015-11-20 | 2016-01-20 | 武汉精测电子技术股份有限公司 | Double-station offline detecting system and method of liquid crystal panel |
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Application publication date: 20130109 |