CN109030352A - A kind of detection of integrated circuit and vision-based detection integrated device - Google Patents
A kind of detection of integrated circuit and vision-based detection integrated device Download PDFInfo
- Publication number
- CN109030352A CN109030352A CN201810615926.XA CN201810615926A CN109030352A CN 109030352 A CN109030352 A CN 109030352A CN 201810615926 A CN201810615926 A CN 201810615926A CN 109030352 A CN109030352 A CN 109030352A
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- module
- image
- integrated circuit
- detection
- vision
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Classifications
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- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- 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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
Abstract
The invention discloses a kind of detections of integrated circuit and vision-based detection integrated device, comprising: turntable, roll-over table, multifunctional mechanical arm;Turntable includes: pedestal and table top;Pedestal is connected with table top by electronic rotation bar;Multiple roll-over tables are installed, roll-over table is for clamping and overturning integrated circuit board on table top;Multifunctional mechanical arm is installed on pedestal;Integrated circuit board is clamped on roll-over table by multifunctional mechanical arm, and carries out Image Acquisition, and the image of acquisition is sent to background controller later and is handled, to find the defect of integrated circuit board.Integrated circuit detection provided by the invention not only alleviates the labor intensity of testing staff with vision-based detection integrated device, but also substantially increases detection efficiency.
Description
Technical field
The present invention relates to integrated circuit detector technical field, more particularly to a kind of integrated circuit detection with
Vision-based detection integrated device.
Background technique
Integrated circuit (integrated circuit) is a kind of microelectronic device or component.Using certain technique,
Together the elements such as transistor, resistance, capacitor and inductance needed for a circuit and wiring interconnection, it is produced on a fritter or several
It on fritter semiconductor wafer or dielectric substrate, is then encapsulated in a shell, becomes the miniature knot with required circuit function
Structure;Wherein all elements have formed a whole in structure, make electronic component towards microminaturization, low-power consumption, intelligence and
Major step has been strided forward in terms of high reliability.
Currently, the detection of integrated circuit board is generally using manually range estimation completion is carried out, artificial range estimation integrated circuit board is lacked
It falls into and not only be easy to cause careless omission, but also the labor intensity of testing staff is also especially big, causes detection efficiency low.
Therefore, how detection efficiency is improved, the labor intensity for mitigating testing staff is those skilled in the art's urgent need to resolve
The problem of.
Summary of the invention
In view of this, not only alleviating inspection the present invention provides a kind of detection of integrated circuit and vision-based detection integrated device
The labor intensity of survey personnel, and substantially increase detection efficiency.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of detection of integrated circuit and vision-based detection integrated device, comprising: turntable, roll-over table and multifunctional mechanical arm;
The turntable includes: pedestal and table top;The pedestal is connected with table top by electronic rotation bar;Pacify on the table top
Equipped with multiple roll-over tables, the roll-over table is for clamping and overturning integrated circuit board;It is equipped on the pedestal multi-functional
Mechanical arm;The integrated circuit board is clamped on the roll-over table by the multifunctional mechanical arm;
Each roll-over table includes: fixing seat;The fixing seat is mounted on the table top;Pass through in the fixing seat
Rotation axis is equipped with rollover stand, and is driven and overturn by first motor;The rollover stand includes first side and second side;Institute
It states and is mounted on the first fixed plate on first side and the second side, and the second motor is wherein installed on first side;
Second motor is rotatablely connected by screw rod and second side;First pressure sensor is provided on the first side;
The multifunctional mechanical arm includes: arm column, is equipped with controller on the arm column;The arm column bottom is hinged with two
A first grabs bar, and each described first, which grabs bar, is hinged with one second and grabs bar;And two described first are grabbed and are also connected between bar
There is electric adjustable pole;Described first, which grabs bar and described second, grabs bar surface and is provided with second pressure sensor;Under the arm column
Portion is equipped with acquisition device, and the acquisition device is internally provided with Dimensions recognition module and image capture module;
And the electronic rotation bar, the first motor, second motor, the controller, the first pressure pass
Sensor, the second pressure sensor and described image acquisition module are connect with background controller.
Preferably, the second pressure sensor, which is respectively positioned on described first and grabs bar and described second, grabs the inside of bar.
Preferably, the background controller includes: template image memory module, calibration module, image operation module, comparison
Module, characteristic extracting module and stabilization processing module;
The calibration module is connected with the stabilization processing module and the template image memory module respectively;Institute
It states calibration module and is sequentially connected image operation module, contrast module and characteristic extracting module;Described image acquisition module with it is described
The stabilization processing module is connected;
Described image acquisition module is used to acquire the detection image of integrated circuit board;
The stabilization processing module is used to carry out stabilization processing to the image detected, and is sent to the calibrating die
Block;
The template image memory module does not have defective template image for being stored in advance;
The calibration module is used to for the detection image and the template image that handle by stabilization being aligned;
Described image computing module is for carrying out opening operation to the detection image and the template image respectively and closing fortune
It calculates;
The contrast module is used for the detection image and template image progress by opening operation and closed operation
Addition and subtraction process and binaryzation;
The characteristic extracting module be used for after binaryzation the detection image and the template image carry out it is special
Sign is extracted, to find out defect.
Preferably, the fixing seat is mounted on the table top by screw.
Preferably, the upper surface of described fixing seat is equipped with resilient cushion.
Preferably, arm column lower part is provided with accommodating chamber, is provided with guide rail in the accommodating chamber;The acquisition device bottom
Portion is provided with the sliding slot with the guide rail.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of inspections of integrated circuit
Survey and vision-based detection integrated device, utilize multifunctional mechanical arm to realize the transfer and vision-based detection of integrated circuit board, Multi Role Aircraft
The image of acquisition is sent to background controller and handled by tool arm, to find the defect of integrated circuit board, is not only alleviated
The labor intensity of testing staff, and substantially increase detection efficiency.Moreover, backstage testing staff can also pass through Background control
Device controls roll-over table reversion, to complete the detection on integrated circuit board two sides, very efficiently, conveniently.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is the structural schematic diagram of integrated circuit provided by the invention detection and vision-based detection integrated device;
Fig. 2 attached drawing is the structural schematic diagram one of roll-over table provided by the invention;
Fig. 3 attached drawing is the structural schematic diagram two of roll-over table provided by the invention;
Fig. 4 attached drawing is the structural schematic diagram one of multifunctional mechanical arm provided by the invention;
Fig. 5 attached drawing is the structural schematic diagram two of multifunctional mechanical arm provided by the invention;
Fig. 6 attached drawing is the schematic diagram of the image processing section in background controller provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of detections of integrated circuit and vision-based detection integrated device, comprising: turntable 1, overturning
Platform 2 and multifunctional mechanical arm 3;
Turntable 1 includes: pedestal 11 and table top 12;Pedestal 11 and table top 12 are connected by electronic rotation bar 13;On table top 12
Multiple roll-over tables 2 are installed, roll-over table 2 is for clamping and overturning integrated circuit board;Multifunctional mechanical arm is installed on pedestal 11
3;Integrated circuit board is clamped on roll-over table 2 by multifunctional mechanical arm 3;
Each roll-over table 2 includes: fixing seat 21;Fixing seat 21 is mounted on table top 12;Pass through rotation axis in fixing seat 21
22 are equipped with rollover stand, and pass through the driving overturning of first motor 24;Rollover stand includes first side 231 and second side 232;The
It is mounted on the first fixed plate 230 in a side 231 and second side 232, and the second electricity is wherein installed on first side 231
Machine 233;Second motor 233 is rotatablely connected by screw rod 234 and second side 232;First pressure is provided on first side 231
Sensor;
Roll-over table provided by the invention can be realized the clamping and overturning of integrated circuit board, in the mistake of integrated circuit board detection
It can detecte wherein one side in journey to be overturn later, then detected another side, improved detection efficiency, and this process is only
It needs testing staff to carry out Background control, is not necessarily to manual overturning, more mechanization, automation.
Roll-over table provided by the invention is realized by first motor and is overturn, and is realized by the second motor to integrated circuit board
Clamping and fixed, and the gripping strength that will test under the detection of first pressure sensor is sent to background controller and pre-
The threshold value being first arranged is compared, and avoids dynamics is excessive from damaging to integrated circuit board.
In the specific implementation, overturning control key, overturning reset key, clamp key and clamping reset key can be set to turn over to control
The work of turntable.
Multifunctional mechanical arm 3 includes: arm column 31, and controller 310 is equipped on arm column 31;There are two 31 bottom of arm column is hinged
First grabs bar 32, and each first, which grabs bar 32, is hinged with one second and grabs bar 33;And two first are grabbed and are also connected between bar 32
Electric adjustable pole 34;First, which grabs bar 32 and second, grabs 33 surface of bar and is provided with second pressure sensor 35;31 lower part of arm column peace
Equipped with acquisition device 36, acquisition device 36 is internally provided with Dimensions recognition module and image capture module 41;
And electronic rotation bar 13, first motor 24, the second motor 233, controller 32, first pressure sensor, the second pressure
Force snesor 35 and image capture module 41 are connect with background controller.
Multifunctional mechanical arm provided by the invention can identify integrated electricity by image capture module and Dimensions recognition module
The size of road plate, controller adjust the length of electric adjustable pole according to size, it is ensured that first, which grabs bar and second, grabs bar
Different size of integrated circuit board can be clamped.
In addition, be also equipped with image capture module on multifunctional mechanical arm provided by the invention, to being placed on roll-over table
Integrated circuit board carry out Image Acquisition, and background controller is sent to, to analyze acquired image, to obtain
Whether corresponding integrated circuit board is defective.Mechanical arm and industrial camera are merged in the present invention, device is simplified, makes
Single unit system it is simpler, wherein this module of image capture module realizes multi-purpose, this is also a weight of simplified device
Want basis.
In order to further optimize the above technical scheme, second pressure sensor 35, which is respectively positioned on first and grabs bar 32 and second, grabs bar
33 inside.
In order to further optimize the above technical scheme, background controller includes: template image memory module 42, calibration module
43, image operation module 44, contrast module 45, characteristic extracting module 46 and stabilization processing module 47;
Calibration module 43 is connected with stabilization processing module 47 and template image memory module 42 respectively;Calibration module
43 are sequentially connected image operation module 44, contrast module 45 and characteristic extracting module 46;At image capture module 41 and stabilization
Module 47 is managed to be connected;
Image capture module 41 is used to acquire the detection image of integrated circuit board;
Stabilization processing module 47 is used to carry out stabilization processing to the image detected, and is sent to calibration module 43;
Template image memory module 42 does not have defective template image for being stored in advance;
Calibration module 43 is used to for the detection image and template image that handle by stabilization being aligned;
Image operation module 44 is for carrying out opening operation and closed operation to detection image and template image respectively;
Contrast module 45 is used to carry out addition and subtraction to by the detection image and template image of opening operation and closed operation
Handle simultaneously binaryzation;
Characteristic extracting module 46 is used for the detection image and template image progress feature extraction after binaryzation, thus
Find out defect.
Traditional digital image processing method is needed to be split the image of integrated circuit board, be filtered, noise reduction, edge mention
It takes, the processing such as defective locations differentiate, but acquired image includes many uncertain factors, it is likely that lead to edge extracting
It is unable to get complete profile.Therefore, the present invention is by carrying out opening operation and closed operation to template image and detection image respectively
Deng processing, addition and subtraction process and binaryzation are made to defect image and template image later, extracts feature later and compares, from
And defect is found out, this method is simpler, and calculation amount is small.
In order to further optimize the above technical scheme, fixing seat 21 is mounted on table top 12 by screw.
In order to further optimize the above technical scheme, the upper surface of fixing seat 21 is equipped with resilient cushion.
Resilient cushion is set in fixing seat, can be unclamped the screw rod of the roll-over table of integrated circuit board after detection,
So that integrated circuit board is fallen on resilient cushion, later period collection is facilitated to handle.In addition, working as multifunctional mechanical arm failure or overturning
When platform failure, play the role of damping when integrated circuit is fallen, prevents integrated circuit board from damaging.Although only one
Slight design, but it is highly important for playing the role of.
31 lower part of arm column is provided with accommodating chamber 311, is provided with guide rail in accommodating chamber 311;36 bottom of acquisition device is provided with
With the sliding slot of guide rail.
When not using acquisition device, acquisition device can be pushed into accommodating chamber by guide rail and sliding slot, prevent from acquiring
Device damage.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of detection of integrated circuit and vision-based detection integrated device characterized by comprising turntable (1), roll-over table (2) and
Multifunctional mechanical arm (3);
The turntable (1) includes: pedestal (11) and table top (12);The pedestal (11) and table top (12) pass through electronic rotation bar
(13) it connects;Multiple roll-over tables (2) are installed, the roll-over table (2) is for clamping and overturning collection on the table top (12)
At circuit board;Multifunctional mechanical arm (3) are installed on the pedestal (11);The multifunctional mechanical arm (3) is by the integrated electricity
Road plate is clamped on the roll-over table (2);
Each roll-over table (2) includes: fixing seat (21);The fixing seat (21) is mounted on the table top (12);It is described
Rollover stand is installed by rotation axis (22) in fixing seat (21), and passes through first motor (24) driving overturning;The rollover stand
Including first side (231) and second side (232);It is respectively mounted on the first side (231) and the second side (232)
There are the first fixed plate (230), and the second motor (233) wherein are installed on first side (231);Second motor (233)
It is rotatablely connected by screw rod (234) and second side (232);First pressure sensor is provided on the first side (231);
The multifunctional mechanical arm (3) includes: arm column (31), is equipped with controller (310) on the arm column (31);The arm column
(31) bottom is hingedly grabbed bar (32) there are two first, and each described first, which grabs bar (32), is hinged with one second and grabs bar (33);
And two described first are grabbed and are also connected with electric adjustable pole (34) between bar (32);Described first, which grabs bar (32) and described second, grabs
Bar (33) surface is provided with second pressure sensor (35);Arm column (31) lower part is equipped with acquisition device (36), described
Acquisition device (36) is internally provided with Dimensions recognition module and image capture module (41);
And the electronic rotation bar (13), the first motor (24), second motor (233), the controller (32), institute
First pressure sensor, the second pressure sensor (35) and described image acquisition module (41) is stated to connect with background controller
It connects.
2. a kind of integrated circuit detection according to claim 1 and vision-based detection integrated device, which is characterized in that described the
Two pressure sensors (35), which are respectively positioned on described first, grabs bar (32) and described second and grabs the inside of bar (33).
3. a kind of integrated circuit detection according to claim 1 and vision-based detection integrated device, which is characterized in that after described
Platform controller include: template image memory module (42), calibration module (43), image operation module (44), contrast module (45),
Characteristic extracting module (46) and stabilization processing module (47);
The calibration module (43) respectively with the stabilization processing module (47) and the template image memory module (42)
It is connected;The calibration module (43) is sequentially connected image operation module (44), contrast module (45) and characteristic extracting module
(46);Described image acquisition module (41) is connected with the stabilization processing module (47);
Described image acquisition module (41) is used to acquire the detection image of integrated circuit board;
The stabilization processing module (47) is used to carry out stabilization processing to the image detected, and is sent to the calibrating die
Block (43);
The template image memory module (42) does not have defective template image for being stored in advance;
The calibration module (43) is used to for the detection image and the template image that handle by stabilization being aligned;
Described image computing module (44) is for carrying out opening operation to the detection image and the template image respectively and closing fortune
It calculates;
The contrast module (45) is used for the detection image and template image progress by opening operation and closed operation
Addition and subtraction process and binaryzation;
The characteristic extracting module (46) be used for after binaryzation the detection image and the template image carry out it is special
Sign is extracted, to find out defect.
4. a kind of integrated circuit detection according to claim 1 and vision-based detection integrated device, which is characterized in that described solid
Reservation (21) is mounted on the table top (12) by screw.
5. a kind of integrated circuit detection according to claim 1 and vision-based detection integrated device, which is characterized in that described solid
The upper surface of reservation (21) is equipped with resilient cushion.
6. a kind of integrated circuit detection according to claim 1 and vision-based detection integrated device, which is characterized in that the arm
Column (31) lower part is provided with accommodating chamber (311), is provided with guide rail in the accommodating chamber (311);Acquisition device (36) bottom
It is provided with the sliding slot with the guide rail.
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CN201810615926.XA CN109030352B (en) | 2018-06-14 | 2018-06-14 | Integrated circuit detects and integrative device of visual inspection |
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Cited By (1)
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