KR20120088330A - Inspection apparatus for printed circuit board - Google Patents

Inspection apparatus for printed circuit board Download PDF

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Publication number
KR20120088330A
KR20120088330A KR1020110009608A KR20110009608A KR20120088330A KR 20120088330 A KR20120088330 A KR 20120088330A KR 1020110009608 A KR1020110009608 A KR 1020110009608A KR 20110009608 A KR20110009608 A KR 20110009608A KR 20120088330 A KR20120088330 A KR 20120088330A
Authority
KR
South Korea
Prior art keywords
printed circuit
circuit board
tray
inspection
defective
Prior art date
Application number
KR1020110009608A
Other languages
Korean (ko)
Inventor
김세영
김천희
Original Assignee
세호로보트 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 세호로보트 주식회사 filed Critical 세호로보트 주식회사
Priority to KR1020110009608A priority Critical patent/KR20120088330A/en
Publication of KR20120088330A publication Critical patent/KR20120088330A/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0011—Working of insulating substrates or insulating layers
    • H05K3/0014—Shaping of the substrate, e.g. by moulding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30141—Printed circuit board [PCB]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection

Abstract

PURPOSE: An inspection apparatus for a printed circuit board is provided to improve the reliability and efficiency by effectively performing processes such as a loading and unloading inspection of the printed circuit board and a selection between defective products and good products. CONSTITUTION: A frame(10) has an X-axis direction, an Y-axis direction and a Z-axis direction. A tray distacker(20) is installed on a tray loading station(S2) of the frame. The tray distacker includes a magazine(22) including a plurality of first trays(30a) and a lifting unit(24) lifting the magazine. A first tray feeder(40) is installed on the front surface of the frame for getting near the tray distacker. The first tray feeder is composed of a linear actuator(42) and a gripper(44).

Description

Inspection device for printed circuit boards {INSPECTION APPARATUS FOR PRINTED CIRCUIT BOARD}

The present invention relates to an inspection apparatus for a printed circuit board, and more particularly, to an inspection apparatus for a printed circuit board for automatically performing an external inspection of a printed circuit board.

Printed circuit boards such as printed circuit boards and flexible printed circuit boards are manufactured in various sizes and shapes for mounting on electronic products by external processing. The external processing of the printed circuit board is performed by the punching of the press and the routing of the computer numerical control router. The punching of the press is suitable for mass production, and is generally adopted for the external processing of flexible printed circuit boards.

The final printed circuit board is visually inspected by visual inspection. Visual inspection is a visual inspection for sampling inspection of poor appearance of a printed circuit board.

Since the visual inspection of the printed circuit board depends entirely on the judgment of the inspector, there is a difference in accuracy due to the error held by each inspector, which requires a lot of time and manpower. In particular, sampling inspection involves the disadvantage that it cannot fully guarantee the reliability of the total quantity of printed circuit boards.

On the other hand, a vision inspection system (Vision inspection system) has been introduced for the total inspection of the appearance defects of the printed circuit board. The vision inspection system includes a camera that captures an image of a printed circuit board and acquires image data, and a computer that processes image data input from the camera by an image processing program.

The vision inspection system as described above is suitable for inspection of large printed circuit boards and aligned printed circuit boards, but it is insufficient to be applied to inspection of printed circuit boards manufactured in a small unit. Therefore, the development of a vision inspection system capable of inspecting a small unit of printed circuit boards is required, but a system that satisfies this problem has not been developed.

The present invention has been made to solve the various problems described above, an object of the present invention is to provide an inspection apparatus of a printed circuit board that can automatically perform the appearance defect of the printed circuit board by acquiring the image of the camera. have.

Another object of the present invention is to provide an inspection apparatus for a printed circuit board which can improve reliability and efficiency by a total inspection of the printed circuit board.

Another object of the present invention is to provide an inspection apparatus for a printed circuit board that can efficiently perform a series of processes such as loading, unloading, inspection of a printed circuit board, and screening of good and defective products.

Still another object according to the present invention is to provide a test apparatus for a printed circuit board which can prevent damage to the printed circuit board since the printed circuit board is handled by being contained in a tray.

A feature of the present invention for achieving the above object is a first tray feeder for transporting a first tray containing a printed circuit board; A rotating index table for loading, inspecting and unloading a printed circuit board; A workpiece loader for transferring the printed circuit board from the first tray to the index table; A camera for photographing a printed circuit board and outputting image data; A second tray feeder for conveying a second tray; A workpiece unloader for transferring the printed circuit board from the index table to the second tray; An apparatus for inspecting a printed circuit board including a controller for processing image data output by a camera to discriminate a printed circuit board into a good printed circuit board and a defective printed circuit board.

The inspection apparatus of the printed circuit board according to the present invention can automatically perform the appearance defect of the printed circuit board by acquiring the image of the camera. In addition, a series of processes such as loading, unloading, and inspection of printed circuit boards and screening of good and defective products can be efficiently performed. It is effective to greatly improve the reliability and efficiency of appearance inspection. In addition, since the printed circuit board is handled in a tray, there is an effect that can prevent damage to the printed circuit board.

1 is a perspective view showing the configuration of an inspection apparatus for a printed circuit board according to the present invention;
2 is a plan view showing the configuration of an inspection apparatus for a printed circuit board according to the present invention;
3 is a perspective view showing the configuration of the index table and the camera in the inspection apparatus of the printed circuit board according to the present invention;
Figure 4 is a side view showing the configuration of the index table and the camera in the inspection apparatus of the printed circuit board according to the present invention,
5 is a plan view showing the configuration of the first and second trays in the inspection apparatus of the printed circuit board according to the present invention;
6 is a plan view showing an example of a printed circuit board to be inspected by the inspection apparatus of the printed circuit board according to the present invention;
7 to 9 are plan views illustrating the operation of the index table in the inspection apparatus of the printed circuit board according to the present invention.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments with reference to the accompanying drawings.

Hereinafter, exemplary embodiments of an inspection apparatus for a printed circuit board according to the present invention will be described in detail with reference to the accompanying drawings.

First, referring to Figures 1 and 2, the inspection apparatus of the printed circuit board according to the present invention includes a frame 10 constituting the appearance. The frame 10 has an X axis direction, a Y axis direction orthogonal to the X axis direction, and a Z axis direction perpendicular to the X axis and Y axis directions. An inspection station S 1 is provided in the upper center of the frame 10, and a tray loading station S 2 , a workpiece loading station S around the inspection station S 1 . 3 ), the workpiece unloading station S4 and the tray unloading station S 5 are arranged counterclockwise with respect to the inspection station S 1 .

The tray loading station S 2 is aligned with the workpiece loading station S 3 along the Y axis direction, and the tray unloading station S5 is aligned with the X axis direction. The workpiece loading station S 3 is aligned with the workpiece unloading station S 4 along the X axis direction. The workpiece unloading station S 4 is aligned with the tray unloading station S 5 along the Y axis direction.

The inspection apparatus of the printed circuit board according to the present invention includes a tray distacker 20 installed in the tray loading station S 2 of the frame 10. The tray stacker 20 may include a magazine 22 that accommodates a plurality of first trays 30a on which a plurality of printed circuit boards 2 are loaded, and a lifting unit that lifts the magazine 22. : 24). The first trays 30a are stacked in the magazine 22 so as to be withdrawn in a drawer type.

As shown in FIG. 5, the first trays 30a have a plurality of grooves 32 formed to receive the printed circuit boards 2. The grooves 32 are arranged in rectangular coordinates. As shown in FIG. 6, the printed circuit boards 2 are small single-sided printed circuit boards manufactured by press punching the substrate 4 as an example.

Referring again to FIGS. 1 and 2, the inspection apparatus of the printed circuit board according to the present invention includes a first tray feeder 40 installed on an upper surface of the frame 10 so as to be close to the tray stacker 20. It is provided. The first tray feeder 40 draws the first tray 30a of one of the first trays 30a stored in the magazine 22 from the magazine 22 to the workpiece loading station S 3 . In addition, the first tray feeder 40 transfers the first tray 30a from the workpiece loading station S 3 to be stored in the magazine 22. The 1st tray feeder 40 is comprised from the linear actuator 42 and the gripper 44 provided in the upper surface of the frame 10 along the Y-axis direction. The gripper 44 catches and transports the tray 20 while being transported along the X-axis direction by the operation of the linear actuator 42.

The linear actuator 42 includes a servo motor that provides a driving force, a lead screw that rotates by the driving force of the servomotor, and a ball bush that is screwed along the lead screw and fixed to the carriage. It can consist of a ball bush and a linear guide guiding the linear reciprocation of the carriage. In addition, the linear actuator 42 may be composed of an air cylinder, a carriage and a linear guide, or may be composed of a servo motor, a rack and a pinion, a carriage and a linear guide.

1 to 4 and 7 to 9, the inspection apparatus of the printed circuit board according to the present invention uses an index table 50 installed in the inspection station S 1 of the frame 10. Equipped. The index table 50 rotates between the loading position P 1 , the inspection position P 2 , the first unloading position P 3 and the second unloading position P 4 . The loading position P 1 , the inspection position P 2 , the first unloading position P 3 and the second unloading position P 4 are arranged along the clockwise direction at 90 degrees with respect to the index table 50. have. The loading position P 1 is close to the workpiece loading station S 3 and the first unloading position P 3 is close to the workpiece unloading station S 4 . On the upper edge of the index table 50, first to fourth vacuum tables 52a to 52d for sucking the printed circuit board 2 are mounted at equal intervals of 90 degrees. The index table 50 is rotated at equal intervals of 90 degrees, for example, by driving of a step motor 54.

The inspection apparatus of the printed circuit board according to the present invention includes a camera 60 installed above the inspection station S 1 to take an image of the printed circuit board 2 and output image data for visual inspection. The camera 60 may be configured as a line scan camera or an area scan camera having a high resolution. The camera linear actuator 62 transfers the camera 60 along the X axis direction. The camera linear actuator 62 may be configured as an XY axis stage that can move the camera 60 along the X and Y axis directions.

As shown in FIGS. 3 and 4, a pushing that presses the printed circuit board 2 before the printed circuit board 2 is photographed by the camera 60 between the index table 50 and the camera 60. Pushing device 64 is installed. The pushing device 64 is comprised from the optical glass plate 64a arrange | positioned above the printed circuit board 2, and the linear actuator 64b which raises and lowers the optical glass plate 64a. The linear actuator 64b is mounted on the frame 10 and the optical glass plate 64a is pushed in the Z-axis direction so that the optical glass plate 64a presses the printed circuit board 2 disposed at the inspection position P 2 . Transfer.

The camera 60 acquires a scanned image by scanning the printed circuit board 2 positioned at the inspection position P 2 while being transported along the X axis by the operation of the camera linear actuator 60. The controller 70 processes the image data input from the camera 60 to produce the printed circuit board 2 as shown in Figs. 8 and 9, the good printed circuit board 2a and the defective printed circuit board 2b. Determine with.

1 and 2, the inspection apparatus of the printed circuit board according to the present invention includes a tray stacker 80 installed in the tray unloading station S 5 of the frame 10. The tray stacker 20 and the tray stacker 80 are configured in the same manner. The tray stacker 80 includes a magazine 82 for receiving a plurality of second trays 30b on which a plurality of good printed circuit boards 2a are loaded, and a lifting unit 84 for lifting the magazine 82 up and down. . The second trays 30b are stacked in the magazine 82 so as to be withdrawn in a drawer type. The second trays 30b have a plurality of grooves 32 formed to receive the good printed circuit boards 2a. The grooves 32 are arranged in rectangular coordinates.

The inspection apparatus of the printed circuit board according to the present invention includes a second tray feeder 90 provided on the upper surface of the frame 10 so as to be close to the tray stacker 80. The 1st tray feeder 40 and the 2nd tray feeder 90 are comprised similarly. The second tray feeder 90 transfers the second tray 30b from the workpiece unloading station S 5 to be stored in the magazine 92. The 2nd tray feeder 90 is comprised from the linear actuator 92 and gripper 94 provided in the upper surface of the frame 10 along the Y-axis direction. The gripper 94 catches and conveys the second tray 30b while being transported along the X-axis direction by the operation of the linear actuator 92.

The printed circuit board inspection apparatus according to the present invention holds the printed circuit board 2 of any one of the printed circuit boards 2 mounted on the first tray 30a from the workpiece loading station S 2 and checks the inspection position. A workpiece loader 100 loaded in P 2 is provided. The workpiece loader 100 is composed of a vacuum pad unit 104 that sucks the robot 102 and the printed circuit board 2. The pad pad unit 104 is provided in plurality so as to adsorb a medium or large printed circuit board. The robot 102 is composed of an X-axis linear actuator, a Y-axis linear actuator, and a Z-axis linear actuator that moves the vacuum pad unit 104 along the X-axis, Y-axis, and Z-axis directions. The push pad unit 104 sucks the printed circuit board 2 and moves along the X, Y, and Z axes by the operation of the robot 102.

1 and 2, the apparatus for inspecting a printed circuit board according to the present invention is disposed on the workpiece unloading station S 4 by holding a good printed circuit board 2a from the first unloading position P 3 . A workpiece unloader 110 mounted on the second tray 30b is provided. The workpiece unloader 110 is composed of a push pad unit 114 that sucks the robot 112 and the good printed circuit board 2a similarly to the workpiece loader 100.

The inspection apparatus for a printed circuit board according to the present invention includes a defective article unloader 120 which transfers and discharges the defective printed circuit board 2b from the index table 50. The defective article unloader 120 is composed of a vacuum pad unit 124 that sucks the robot 122 and the defective printed circuit board 2b. The robot 122 moves the push pad unit 124 along the X, Y, and Z axes. The suction pad unit 124 sucks the defective printed circuit board 2b and moves along the X-axis, Y-axis, and Z-axis directions by the operation of the robot 122. The container box 126 is provided on the upper surface of the frame 10 so as to be close to the index table 50. The container box 126 contains the defective printed circuit board 2b discharged by the defective unloader 120.

The operation of the inspection apparatus of the printed circuit board according to the present invention having such a configuration will now be described.

Referring to FIGS. 1 and 2, the inspector accommodates a plurality of first trays 30a containing a plurality of printed circuit boards 2 in a magazine 22, and houses the magazine 22 in a tray dispenser 20. Mount on. The inspector accommodates the plurality of empty second trays 30b in the magazine 82 and mounts the magazine 82 in the tray stacker 80. The quantity of the 1st tray 30a and the 2nd tray 30b is equally stored in each of the magazines 22 and 82. FIG.

The lifting unit 24 holds the magazine so that the gripper 44 of the first tray feeder 40 can catch and withdraw the first tray 30a of one of the first trays 30a housed in the magazine 22. Raise (22). When the gripper 44 catches the first tray 30a of one of the first trays 30a, the linear actuator 42 moves the first tray 30a held by the gripper 44 to the workpiece loading station. It stops after transferring to (S 3 ). Thus, one first tray 30a is arranged in the workpiece loading station S 3 .

The lifting unit 84 holds the magazine so that the gripper 94 of the second tray feeder 90 can catch and pull out the second tray 30b of one of the second trays 30b housed in the magazine 82. Raise (82). When the gripper 94 catches the first tray 30b of one of the second trays 30b, the linear actuator 92 unloads the workpiece from the second tray 30b held by the gripper 94. It stops after transferring to the station S 4 . Thus, one empty second tray 30b is arranged in the workpiece unloading station S 4 .

1, 2, and 7, the pad pad unit 104 of the workpiece loader 100 is operated to print a printed circuit board of the first tray 30a placed on the workpiece loading station S 3 . When one of the printed circuit boards 2 is adsorbed, the robot 102 places the first pad table 52a of the index table 50 in which the pad pad unit 104 is disposed at the loading position P 1 . After moving to), it stops. When the operation of the push pad unit 104 is stopped, the printed circuit board 2 is placed on the first push table 52a. When the first vacuum table 52a is operated, the printed circuit board 2 is attracted to the first vacuum table 52a.

Next, when the index table 50 is rotated, the printed circuit board 2 is transferred from the loading position P 1 to the inspection position P 2 . The linear actuator 54b of the pushing device 54 lowers the optical glass plate 54a, and the optical glass plate 54a presses the printed circuit board 2 at the inspection position P 2 . Therefore, lifting, bending deformation, etc. of the printed circuit board 2 can be prevented, thereby improving the accuracy of the inspection.

The camera 60 outputs image data by capturing an image of the printed circuit board 2 while being transferred along the X-axis direction by the operation of the camera linear actuator 62. The controller 70 processes the image data of the printed circuit board 2 input from the camera 60 to discriminate between the good printed circuit board 2a and the defective printed circuit board 2b. That is, the controller 70 reads out defects such as, for example, dimensional error, scratch, contamination of foreign matter, etc. of the printed circuit board 2 to determine the printed circuit board 2 as good or bad. During inspection of the printed circuit board 2, the workpiece loader 100 moves the second printed circuit board 2 from the first tray 30a to the second buffer table 52b which is arranged at the loading position P 1 . Load.

1, 2 and 8, the good quality printed circuit board 2a is transferred from the inspection position P 1 to the first unloading position P 3 by the rotation of the index table 50. When the vacuum pad unit 114 of the workpiece unloader 110 is operated to suck the good quality printed circuit board 2a positioned at the first unloading position P 3 , the robot 112 may push the vacuum pad unit 114. ) Is transferred from the first unloading position P 3 to the second tray 30b disposed in the workpiece unloading station S 4 and then stopped. When the operation of the pressure pad unit 114 is stopped, the good quality printed circuit board 2a is received in the groove 32 of the second tray 30b.

1, 2 and 9, the defective printed circuit board 2b is transferred from the inspection position P 1 to the second unloading position P 4 by the rotation of the index table 50. When the vacuum pad unit 124 of the defective product unloader 120 is operated to adsorb the defective printed circuit board 2b positioned at the second unloading position P 4 , the robot 122 may use the vacuum pad unit 124. Is stopped after transferring from the second unloading position P 4 to the container box 126. When the operation of the push pad unit 124 is stopped, the defective printed circuit board 2b is stored in the container box 126.

1 and 2, when all the good printed circuit boards 2a are contained in the grooves 32 of the second tray 30b, the gripper 94 of the second tray feeder 90 is operated to operate. 2 Hold the tray 30b. By operation of the linear actuator 92, the second tray 30b is transferred from the workpiece unloading station S 4 to the tray unloading station S 5 and stored in the magazine 82.

As described above, in the inspection apparatus of the printed circuit board according to the present invention, the printed circuit board 2 for inspection is handled in the first tray 30a, and the good quality printed circuit board 2a is also contained in the second tray 30b. Since it is handled, it is possible to prevent a defect due to careless handling of the printed circuit board 2. In addition, a series of processes such as loading, inspection, and unloading of the printed circuit board 2 are automatically performed, thereby greatly improving the accuracy and efficiency of inspection. In particular, it is possible to efficiently implement a full inspection of the printed circuit board 2 manufactured in a small unit.

The embodiments described above are merely illustrative of the preferred embodiments of the present invention, the scope of the present invention is not limited to the described embodiments, those skilled in the art within the spirit and claims of the present invention It will be understood that various changes, modifications, or substitutions may be made thereto, and such embodiments are to be understood as being within the scope of the present invention.

10: frame 20: tray destacker
22: magazine 24: lifting unit
30a: first tray 30b: second tray
40: first tray feeder 50: index table
60: camera 64: pushing device
70: controller 80: tray stacker
82: magazine 84: lifting unit
90: second tray feeder 100: workpiece loader
110: workpiece unloader 120: reject unloader
126: container box

Claims (6)

A first tray feeder for transferring a first tray on which a printed circuit board is accommodated;
An index table that rotates for loading, inspecting and unloading the printed circuit board;
A workpiece loader for transferring the printed circuit board from the first tray to the index table;
A camera for photographing the printed circuit board and outputting image data;
A second tray feeder for conveying a second tray;
A workpiece unloader for transferring the printed circuit board from the index table to a second tray;
And a controller for processing the image data output by the camera to discriminate the printed circuit board into a good printed circuit board and a defective printed circuit board. The inspection apparatus of claim 1, further comprising a defective unloader configured to transfer the defective printed circuit board from the index table and to discharge the defective printed circuit board. The method of claim 1,
And a tray stacker for loading the first tray to be pulled out by the first tray feeder, and a tray stacker for loading the second tray by the second tray feeder. Inspection device. The apparatus of claim 2, wherein the index table includes a loading position for loading the printed circuit board by the workpiece loader, an inspection position for photographing the printed circuit board by the camera, and a workpiece unloader. Inspection of the printed circuit board configured to rotate a first unloading position for unloading the good quality printed circuit board, and a second unloading position for unloading the defective printed circuit board by the defective article unloader. Device. The inspection apparatus of claim 1, further comprising a pushing device that presses the printed circuit board before photographing the printed circuit board by the camera. The method of claim 5, wherein the pushing device,
An optical glass plate disposed above the printed circuit board;
And a linear actuator for elevating the optical glass plate.
KR1020110009608A 2011-01-31 2011-01-31 Inspection apparatus for printed circuit board KR20120088330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110009608A KR20120088330A (en) 2011-01-31 2011-01-31 Inspection apparatus for printed circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110009608A KR20120088330A (en) 2011-01-31 2011-01-31 Inspection apparatus for printed circuit board

Publications (1)

Publication Number Publication Date
KR20120088330A true KR20120088330A (en) 2012-08-08

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101272543B1 (en) * 2011-06-14 2013-06-10 주식회사 휘닉스 디지탈테크 Vision inspection apparatus having moving shuttles for dual lanes
KR101377988B1 (en) * 2014-01-09 2014-03-27 주식회사 머신앤비전 Lens assembly, high-speed inspection equipment
KR101452214B1 (en) * 2012-12-11 2014-10-22 주식회사 에스에프에이 Apparatus for inspecting panel
CN110987807A (en) * 2019-12-30 2020-04-10 浙江力创自动化科技有限公司 Online detection device capable of realizing AOI intelligent optical detection and control method
KR102194786B1 (en) * 2020-09-16 2020-12-23 에스에스오트론 주식회사 PCB automatic subdivision device of semiconductor package
KR102297682B1 (en) * 2020-04-23 2021-09-03 주식회사 오라컴 Punching eccentricity inspection method of flexible printed circuit board
KR102322844B1 (en) 2020-07-08 2021-11-08 오성엘에스티 주식회사 PCB Inspection System for Concentration Lighting
KR20230104381A (en) * 2021-12-30 2023-07-10 주식회사 뽀득 System for testing cutlery and method for testing cutlery using the same
WO2023231261A1 (en) * 2022-05-31 2023-12-07 深圳思谋信息科技有限公司 Quality inspection system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101272543B1 (en) * 2011-06-14 2013-06-10 주식회사 휘닉스 디지탈테크 Vision inspection apparatus having moving shuttles for dual lanes
KR101452214B1 (en) * 2012-12-11 2014-10-22 주식회사 에스에프에이 Apparatus for inspecting panel
KR101377988B1 (en) * 2014-01-09 2014-03-27 주식회사 머신앤비전 Lens assembly, high-speed inspection equipment
CN110987807A (en) * 2019-12-30 2020-04-10 浙江力创自动化科技有限公司 Online detection device capable of realizing AOI intelligent optical detection and control method
KR102297682B1 (en) * 2020-04-23 2021-09-03 주식회사 오라컴 Punching eccentricity inspection method of flexible printed circuit board
KR102322844B1 (en) 2020-07-08 2021-11-08 오성엘에스티 주식회사 PCB Inspection System for Concentration Lighting
KR102194786B1 (en) * 2020-09-16 2020-12-23 에스에스오트론 주식회사 PCB automatic subdivision device of semiconductor package
KR20230104381A (en) * 2021-12-30 2023-07-10 주식회사 뽀득 System for testing cutlery and method for testing cutlery using the same
WO2023231261A1 (en) * 2022-05-31 2023-12-07 深圳思谋信息科技有限公司 Quality inspection system

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