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CN206321579U - Flexible display screen multistation single vision AOI detection platforms - Google Patents

Flexible display screen multistation single vision AOI detection platforms Download PDF

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Publication number
CN206321579U
CN206321579U CN201621437352.4U CN201621437352U CN206321579U CN 206321579 U CN206321579 U CN 206321579U CN 201621437352 U CN201621437352 U CN 201621437352U CN 206321579 U CN206321579 U CN 206321579U
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China
Prior art keywords
detection
display screen
flexible display
camera
base plate
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Expired - Fee Related
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CN201621437352.4U
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Chinese (zh)
Inventor
陈建魁
杨华
朱育飞
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Abstract

The utility model belongs to flexible electronic product detection relevant device field, and disclose a kind of flexible display screen multistation single vision AOI detection platforms, it includes loading and unloading manipulator, detection base plate, outer cover, camera guide rail bracket, detection camera and luminescence component etc., and the wherein loading and unloading manipulator is used to flexible display screen to be detected being properly placed in the detection plate on detection base plate;The outer cover is used for the sealing space for providing detection operating mode;The camera guide rail bracket and detection camera cooperate, while by the rotation of detection plate, being gathered for high accuracy to the side image of the direct picture of flexible display screen and different angles.Can be that the flexible display screen for being able to carry out multistation detects overall process only by single camera by the utility model, while relative with existing equipment the advantages of be also equipped with high accuracy, high efficiency, convenient operation, reliability height, strong adaptability.

Description

Flexible display screen multistation single vision AOI detection platforms
Technical field
The utility model belongs to flexible electronic product detection relevant device field, more particularly, to a kind of Flexible Displays Shield multistation single vision AOI detection platforms.
Background technology
In recent years, with the fast development of intelligent terminal, people for demands such as intelligent terminal screen enlarging, portability more Strongly.The development of flexible display technologies, the application of flexible display screen bring more more options to smart terminal product cosmetic variation, together When to alleviate terminal screen size gradually increase bring portability reduction contradiction there is positive effect, be conducive to keep intelligence Terminal market continues vigor development.
In the detection process of flexible display screen, bad point, dim spot, bright spot and crackle scuffing etc. are all influence yields Emphasis.Therefore, the detection method of the flexible display screen for just having produced seems most important.Retrieval is found, right in the prior art Mainly include in the solution of the defects detections such as the bad point of flexible display screen, dim spot, bright spot and crackle scuffing following several: One kind is that by manually with the naked eye detecting, i.e., testing staff with the naked eye distinguishes flexible display screen by means of utensils such as amplifiers It is whether defective;But not only detection efficiency is low for this method, and cost of labor is high, and testing result reliability is not high, while people Also there may be secondary damage for work touching.
Another existing settling mode is to use AOI (Automatic Optic Inspection, automatic optics inspection) Technology realizes automatic detection.However, further investigations have shown that:Although this method avoids the low reliability that naked eyes are brought, But generally require to gather the front, side and other images of flexible display screen respectively using multiple cameras in operation, and pass through Great amount of images contrasts to detect whether flexible display screen is defective;Correspondingly, the use of multiple cameras can not only greatly increase inspection The cost of measurement equipment, improves the difficulty of operation, and these are prone to change compared to parameter each other, and this point is in practice Middle proof is often larger on the picture quality influence collected, and then reduces final accuracy of detection.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model provides a kind of flexible display screen multistation Single vision AOI detection platforms, are redesigned wherein constituting and being laid out by the unitary construction to the detection platform, and to it Critical component such as detects that the concrete structure and set-up mode of base plate, camera guide rail bracket and luminescence component are made and further changed Enter, can not only be accordingly that the flexible display screen for being able to carry out multistation detects overall process only by single camera, while with showing Have the advantages that equipment is relative and be also equipped with high accuracy, high efficiency, convenient operation, reliability height, strong adaptability.
To achieve the above object, detected according to the utility model there is provided a kind of flexible display screen multistation single vision AOI Platform, the detection platform includes loading and unloading manipulator, detection base plate, outer cover, camera guide rail bracket, detection camera and luminescence component, It is characterized in that:
The loading and unloading manipulator configuration shows in the detection base plate vicinity for capturing flexibility to be detected from charging tray Display screen, and be put into each detection plate of the detection plate upper surface;
The detection base plate structure in the form of annular discs, and drive the detection plate to perform rotation, to be carried out in different station Switching;
The outer cover possesses the opening matched with the side of the detection base plate, and is used for the detection base plate and carrying After flexible display screen thereon is rotated into, the confined space of a holding constant temperature is provided it, while reducing extraneous light Interference;
The camera guide rail bracket is set inside the outer cover, and is rendered as the circular arc frame arranged along vertical direction Arc-shaped rail is also equipped with frame structure, the circular arc frame mechanism;
It is described detection camera be used for moved freely along the arc-shaped rail, and keep its Cai Tu center all the time with it is to be checked The center for surveying flexible display screen is aligned, and is consequently for performing collection to flexible display screen front and side image;
The luminescence component is arranged on the camera guide rail bracket, and for providing floor light for the detection camera.
Conceive more than, can be performed first by loading and unloading manipulator on the direction of principal axis of XYZ tri- and rotational Z-axis direction Freely adjust, so that it is guaranteed that can be put into flexible display screen to be detected to detection plate with correct spatial attitude;Secondly, group Radial variations can be occurred along arc-shaped rail relative to flexible display screen by closing the single vision detection camera being arranged on guide rail bracket, Thus the picture rich in detail of its positive and multiple side can be obtained with the rotation of detection plate itself, relative to the multiple cameras of utilization AOI detection modes, not only greatly reduce cost, and single vision detection can avoid the parameter between different cameral to miss completely Difference, improves the efficiency of subsequent algorithm processing, is finally remarkably improved the accuracy and reliability of detection structure.
As it is further preferred that the loading and unloading manipulator possess along the direction of principal axis of XYZ tri- translation freedoms and Along the rotary freedom in Z-direction.
As it is further preferred that each described detection plate includes stationary fixture and vibrationproof air bag, the wherein stationary fixture Middle part in the detection plate is set, and its trench bottom also has multiple air chambers;In addition, the vibrationproof air bag, which is set, is in institute State between stationary fixture and the detection plate, and for providing cushioning supportive function to flexible display screen.
As it is further preferred that four walls are additionally provided with self adaptation limited block in the groove of the stationary fixture, and should be from Adapt to that also there is chamfering on limited block.
As it is further preferred that the outer cover is preferably also provided with ion wind rod and temperature-adjusting device, the wherein ion Wind rod is used to remove the electrostatic and dust of flexible display screen to be detected, and the temperature-adjusting device is used in the outer cover The environment temperature perform detection in portion and it is set to remain constant temperature.
As it is further preferred that be preferably also provided with distance sensor module at the top of the camera guide rail bracket, and it is used for Horizontal positioned state to flexible display screen to be detected is detected.
In general, according to the contemplated above technical scheme of the utility model possess compared with prior art, mainly with Under technological merit:
1st, it is made up of the unitary construction to the AOI detection platforms and layout is redesigned, not only can be only with list Individual camera is that can be achieved from detection of the different angles in positive and side to flexible display screen, and than existing in operation Equally significantly improved in terms of Discussing Convenience, accuracy of detection;
2nd, the utility model obtains loading and unloading, dedusting and destatics, detects by using the rotary freedom of detection base plate Multiple stations so that loading and unloading are carried out simultaneously with detection, are saved the plenty of time, are greatly improved efficiency;
3rd, come that compact overall structure is reasonable, technological process simplifies, automaticity according to detection platform of the present utility model It is higher, artificial participation is reduced, while the more traditional detection method of the detection platform has higher flexibility, it is flexible aobvious when surveying The parameters such as display screen size can be corrected conveniently when changing, and safeguard and upgrade cost is relatively low.
Brief description of the drawings
Fig. 1 is according to the flexible display screen multistation single vision AOI detections constructed by the utility model preferred embodiment The overall structure diagram of platform;
Fig. 2 is the overlooking structure figure of AOI detection platforms shown in Fig. 1;
Fig. 3 is that AOI detection platforms face structure chart as shown in fig. 1;
Fig. 4 is the structural representation for specifically showing detection plate and its associated component;
Fig. 5 is according to one preferred embodiment of the utility model, the sensing for the multistation single vision AOI detecting systems Device module section structural representation;
Fig. 6 is the concrete structure schematic diagram according to the detection plate constructed by another preferred embodiment of the utility model;
In all of the figs, identical reference is used for representing identical element or structure, wherein:
Camera 30- detection base plate 31- detection plate 32- stationary fixtures 321- is regarded on 10- loading and unloading manipulators 20- certainly Adapt to limited block 322- air chamber 323- limiting gasket 33- vibrationproof air bag 40- outer cover 41- temperature-adjusting devices 50- detection phases Machine 60- camera guide rail bracket 61- distance sensor module 610- range sensor 70- luminescence components
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain The utility model, is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below As long as the technical characteristic being related to does not constitute conflict and can be just mutually combined each other.
Fig. 1 is according to the flexible display screen multistation single vision AOI detections constructed by the utility model preferred embodiment The overall structure diagram of platform.As shown in figure 1, flexible display screen multistation single vision AOI detection platforms are mainly including upper Blanking mechanical hand 10, detection base plate 30, outer cover 40, camera guide rail bracket 60, detection camera 50 and luminescence component 70 etc., below will be right It carries out specific explanations explanation one by one.
Loading and unloading manipulator 10 is configured near detection base plate 30, can also further be configured according to demand regarding camera 20, Wherein the loading and unloading manipulator for example delivers to institute first for capturing flexible display screen to be detected from charging tray, and being moved The area just above stated regarding camera 20 performs detection and localization, accordingly adjusts flexible aobvious based on the upper feedback information depending on camera 20 The spatial attitude of display screen, and ensure that it can be put into each detection plate 31 in detection base plate 30 upper surface.
In other words, can be referring to Fig. 2, loading and unloading manipulator 10 captures flexible display screen from charging tray and is transferred to adjustment work Position A, i.e., it is upper to regard directly over camera 20, as shown in Figure 2.The upper camera 20 that regards gathers image to flexible display screen to be measured, is positioned Detection, utilizes the one-movement-freedom-degree x of loading and unloading manipulator 101、y1、z1And rotary freedomAdjust flexible display screen to be measured Spatial attitude, it is ensured that it can be properly placed in the groove of stationary fixture 32 in the detection plate 31 at loading and unloading station B.
Flexible display screen is delivered to the top of detection plate 31 at loading and unloading station B by loading and unloading manipulator 10, and is slowly fallen.Inspection Survey base plate 30 and rotarily drive detection plate 31 and flexible display screen to destaticing at grit station C, utilize the ion wind on outer cover 40 Rod 42 carries out dedusting to flexible display screen to be measured and destaticed.Then detection base plate 30 rotates delivers to detection by flexible display screen At station D.
In addition, arc-shaped opening on the side plate of outer cover 40, for detecting that base plate 30 is rotated in and out.It can be with detecting on base plate 30 Circular arc side plate mutually agree with, using certain seal means, relatively closed environment can be provided for detection interval in outer cover 40.Beat Over cover 40 in temperature adjustment device 41, control outer cover 40 in detection interval temperature certain limit holding it is constant.
For detection base plate 30, its upper surface is provided with multiple detection plates 31, and drives these detection plates Rotation is performed, to be switched in different station;The outer cover 40 then possesses and opening that the side of detection base plate 30 matches Mouthful, and be used for after the flexible display screen of the detection base plate 30 and carrying thereon is rotated into, a holding constant temperature is provided it Confined space, while reducing extraneous light interference.More specifically, according to a preferred embodiment of the present utility model, such as Shown in Fig. 6, the middle part of detection plate 31 is provided with stationary fixture 32.Self adaptation limited block 321 in the groove of stationary fixture 32 on four walls can root Flexible adjustment is carried out according to flexible display screen size, chamfering is which is provided with and flexible display screen is oriented to, guiding is flexible aobvious Display screen is put into the groove of stationary fixture 32, and fixing flexible display screen.Put down after flexible display screen to be measured, loading and unloading manipulator 10 exists Waited at loading and unloading station B, prepare to take the survey flexible display screen come at detection station D away.
And when detection plate 31 rotate to an angle flexible display screen to be measured is reached standard detection orientation when, can be to detection plate Vibrationproof air bag 33 in 31 is inflated, and starts cushioning supportive function, to reduce vibration of the equipment and produced by outside in itself The influence detected to flexible display screen;Limiting gasket 323 then prevents that vibrationproof air bag 33 from inflating too fast and ejecting stationary fixture 32.
As shown in Figure 3 and Figure 4, camera guide rail bracket 60 is set inside the outer cover 40, and is rendered as along vertical side To the circular arc frame structure of arrangement, arc-shaped rail is also equipped with the circular arc frame mechanism;This detection camera 50 can edge The arc-shaped rail to move freely, and keep its center of Cai Tu centers all the time with flexible display screen to be detected to align, It is consequently for performing collection to flexible display screen front and side image, while can be according to flexible display screen change in size Adjust detecting distance.
More specifically, be provided with arc guide rail on camera guide rail bracket 60, the detection camera can move along arc guide rail, can Paused in arc guide rail optional position so that the detection image center axle and horizontal plane one stable angle of formation, arc guide rail It is preferably designed for the stationary fixture center that the detection camera Cai Tu centers are directed at detection station all the time.In addition, on arc guide rail It is configured with along its radial alignment one-movement-freedom-degree r1Module.Camera 50 is detected according to surveyed flexible display screen size, Moved along this module, so as to adjust detecting distance, it is ensured that gather the clear of image.
Start after detection, detection camera 50 is in after surface collection flexible display screen direct picture, along camera guide rail bracket 60 Upper arc guide rail is moved to the position of set detection camera 50 and the angle of horizontal plane.Detection plate 31 rotates in Z-direction, institute Detection camera 50 is stated then in multiple angle acquisition flexible display screen side images.
Image detection is finished, and the detection camera returns to the surface of stationary fixture 32 at detection station D.Detect base plate 30 Flexible display screen is sent out into outer cover 40, and closes air chamber 322, flexible display screen is taken away by loading and unloading manipulator 10 and sends charging tray back to simultaneously Flexible display screen to be measured is taken from next charging tray.
In addition, the luminescence component 70 is arranged on the camera guide rail bracket 60, and for being carried for the detection camera 50 For floor light.When in use, luminescence component 70 is opened, and adjusts the irradiating angle of luminescence component 70, makes it just to stationary fixture 32 centers, it is ensured that the picture effect acquired in detection camera 50.Start and be located at the top distance sensor module of camera guide rail bracket 60 Range sensor 610 on 61, detects flexible display screen horizontal positioned situation.If not placing level, the groove of stationary fixture 32 is adjusted Bottom stomata absorption affinity size, makes flexible display screen holding level, it is ensured that the validity of AOI detections.
The course of work according to AOI detection platforms of the present utility model will more specifically be illustrated below. Whole characterization processes method mainly comprises the following steps:
(a) loading and unloading manipulator captures flexible display screen from charging tray, and is transferred to regarding the top of camera on described, The upper camera that regards gathers image;
(b) detection plate that flexible display screen is continued to deliver at loading and unloading station by the loading and unloading manipulator, is placed in it On stationary fixture groove in;
(c) the detection base plate rotarily drives detection plate and flexible display screen;Into before the outer cover, the ion is utilized Wind rod carries out dedusting to flexible display screen and destaticed;Subsequent flexible display screen is delivered to detection station;
(d) detection plate rotates to an angle, until flexible display screen to be measured reaches standard detection station;
(e) the vibrationproof airbag aeration in the detection plate, starts cushioning supportive function;The camera guide rail bracket is utilized simultaneously Upper range sensor confirms the levelness of flexible display screen to be measured;
(f) the detection camera is round along along the camera guide rail bracket in after surface collection flexible display screen direct picture Arc guide rail is moved to the position of the angle of set detection image center axle and horizontal plane;Correspondingly, by the detection plate in Z Direction of principal axis rotates, and makes the detection camera in multiple angle acquisition flexible display screen side images
(g) complete after image detection, flexible display screen is sent out the outer cover by the detection base plate, by the charging & discharging machine Tool hand takes flexible display screen away and sends charging tray back to.
To sum up, camera and detection can be made full use of according to multistation single vision AOI detection platforms of the present utility model The multiple degrees of freedom of disk and detection base plate so that flexible display screen can be just collected only with single camera under multiple angles Image, so as to reach the purpose of detection flexible display screen;Correspondingly, not only solve the detection efficiency that existing method causes it is low, The defects such as cost height, and it is relative with existing equipment be also equipped with high accuracy, high efficiency, operation is convenient, reliability is high, strong adaptability The advantages of.
As it will be easily appreciated by one skilled in the art that the foregoing is only preferred embodiment of the present utility model, not To limit the utility model, all any modifications made within spirit of the present utility model and principle, equivalent and change Enter, should be included within protection domain of the present utility model.

Claims (6)

1. a kind of flexible display screen multistation single vision AOI detection platforms, the detection platform includes loading and unloading manipulator (10), inspection Survey base plate (30), outer cover (40), camera guide rail bracket (60), detection camera (50) and luminescence component (70), it is characterised in that:
Loading and unloading manipulator (10) configuration is near the detection base plate (30), and to be detected for being captured from charging tray is soft Property display screen, and be put into it is described detection base plate (30) upper surface each detection plate (31) in;
Described detection base plate (30) structure in the form of annular discs, and drive the detection plate to perform rotation, to be carried out in different station Switching;
The outer cover (40) possesses the opening matched with the side of the detection base plate (30), and is used for the detection base plate (30) and after carrying flexible display screen thereon rotates into, the confined space of a holding constant temperature is provided it, reduced simultaneously Extraneous light interference;
The camera guide rail bracket (60) sets internal in the outer cover (40), and is rendered as the circular arc arranged along vertical direction Arc-shaped rail is also equipped with shape frame structure, the circular arc frame mechanism;
It is described detection camera (50) be used for moved freely along the arc-shaped rail, and keep its Cai Tu center all the time with it is to be checked The center for surveying flexible display screen is aligned, and is consequently for performing collection to flexible display screen front and side image;
The luminescence component (70) is arranged on the camera guide rail bracket (60), and for providing auxiliary for the detection camera (50) Help illumination.
2. a kind of flexible display screen multistation single vision AOI detection platforms as claimed in claim 1, it is characterised in that described Loading and unloading manipulator (10) possesses along the translation freedoms of the direction of principal axis of XYZ tri- and along the rotary freedom in Z-direction.
3. a kind of flexible display screen multistation single vision AOI detection platforms as claimed in claim 1 or 2, it is characterised in that each The individual detection plate (31) includes stationary fixture (32) and vibrationproof air bag (33), and the wherein stationary fixture (32) is set in described The middle part of detection plate, and its trench bottom also has multiple air chambers (322);In addition, the vibrationproof air bag (33) is set in described Between stationary fixture and its flexible display screen accommodated, and for providing cushioning supportive function to flexible display screen.
4. a kind of flexible display screen multistation single vision AOI detection platforms as claimed in claim 3, it is characterised in that described Four walls, which are additionally provided with self adaptation limited block (321), and the self adaptation limited block, in the groove of stationary fixture (32) also has Angle.
5. a kind of flexible display screen multistation single vision AOI detection platforms as claimed in claim 1 or 2, it is characterised in that institute State outer cover (40) and be additionally provided with ion wind rod (42) and temperature-adjusting device (41), wherein the ion wind rod is used for flexibility to be detected The electrostatic and dust of display screen are removed, and the temperature-adjusting device (41) is used to perform the environment temperature inside the outer cover Detect and it is remained constant temperature.
6. a kind of flexible display screen multistation single vision AOI detection platforms as claimed in claim 1 or 2, it is characterised in that institute State and distance sensor module (61) is additionally provided with the top of camera guide rail bracket (60), and for the level to flexible display screen to be detected Laying state is detected.
CN201621437352.4U 2016-12-26 2016-12-26 Flexible display screen multistation single vision AOI detection platforms Expired - Fee Related CN206321579U (en)

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Cited By (10)

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CN107639038A (en) * 2017-10-31 2018-01-30 山东代代良智能控制科技有限公司 Product defect automatic detection platform
CN107830338A (en) * 2017-10-31 2018-03-23 山东代代良智能控制科技有限公司 Product defect detection image harvester
CN108088652A (en) * 2017-11-07 2018-05-29 凯茂科技(深圳)有限公司 Localization tool, 3D bend glasses detecting system and method
CN109100364A (en) * 2018-06-29 2018-12-28 杭州国翌科技有限公司 A kind of tunnel defect monitoring system and monitoring method based on spectrum analysis
CN109632810A (en) * 2019-01-03 2019-04-16 京东方科技集团股份有限公司 Display panel crack detecting method and system
CN109884081A (en) * 2019-03-25 2019-06-14 长春大学 A kind of machine vision detection method and device for flexible product
CN110346379A (en) * 2019-08-22 2019-10-18 合肥工业大学 A kind of bearing defect failure detector and bearing defect method of detection
CN111678921A (en) * 2020-06-19 2020-09-18 京东方科技集团股份有限公司 Optical detection device
CN111795808A (en) * 2020-07-17 2020-10-20 苏州精濑光电有限公司 Display screen detection equipment
WO2021100192A1 (en) * 2019-11-22 2021-05-27 シャープ株式会社 Method for manufacturing display panel

Cited By (15)

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CN107830338B (en) * 2017-10-31 2024-01-09 山东爱通工业机器人科技有限公司 Product flaw detection image acquisition device
CN107830338A (en) * 2017-10-31 2018-03-23 山东代代良智能控制科技有限公司 Product defect detection image harvester
CN107639038A (en) * 2017-10-31 2018-01-30 山东代代良智能控制科技有限公司 Product defect automatic detection platform
CN107639038B (en) * 2017-10-31 2024-01-09 山东爱通工业机器人科技有限公司 Automatic detection platform for product flaws
CN108088652A (en) * 2017-11-07 2018-05-29 凯茂科技(深圳)有限公司 Localization tool, 3D bend glasses detecting system and method
CN109100364A (en) * 2018-06-29 2018-12-28 杭州国翌科技有限公司 A kind of tunnel defect monitoring system and monitoring method based on spectrum analysis
CN109632810A (en) * 2019-01-03 2019-04-16 京东方科技集团股份有限公司 Display panel crack detecting method and system
CN109884081A (en) * 2019-03-25 2019-06-14 长春大学 A kind of machine vision detection method and device for flexible product
CN110346379A (en) * 2019-08-22 2019-10-18 合肥工业大学 A kind of bearing defect failure detector and bearing defect method of detection
WO2021100192A1 (en) * 2019-11-22 2021-05-27 シャープ株式会社 Method for manufacturing display panel
CN114651169A (en) * 2019-11-22 2022-06-21 夏普株式会社 Method for manufacturing display panel
CN114651169B (en) * 2019-11-22 2024-10-01 夏普株式会社 Method for manufacturing display panel
CN111678921A (en) * 2020-06-19 2020-09-18 京东方科技集团股份有限公司 Optical detection device
CN111678921B (en) * 2020-06-19 2024-04-16 京东方科技集团股份有限公司 Optical detection device
CN111795808A (en) * 2020-07-17 2020-10-20 苏州精濑光电有限公司 Display screen detection equipment

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