CN109458937A - Measure method, apparatus, system and the storage medium of grid line height and width - Google Patents
Measure method, apparatus, system and the storage medium of grid line height and width Download PDFInfo
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- CN109458937A CN109458937A CN201811593621.XA CN201811593621A CN109458937A CN 109458937 A CN109458937 A CN 109458937A CN 201811593621 A CN201811593621 A CN 201811593621A CN 109458937 A CN109458937 A CN 109458937A
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- cell piece
- hot spot
- grid line
- height
- width
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
Abstract
The invention discloses a kind of methods of grid line height and width for measuring solar battery sheet, the light spot image on the cell piece surface including obtaining CCD camera shooting in real time；Light spot image is that CCD camera penetrates magnifying glass, and optical axis direction and cell piece shoot the image of cell piece surface hot spot in predetermined angle；Hot spot is the hot spot that laser vertical irradiation is formed to cell piece upper surface, and hot spot moves on cell piece surface edge perpendicular to grid line direction；According to the mobile speed of light spot image and cell piece, cross section contour of the final available cell piece perpendicular to grid line；The height and width of grid line are obtained according to cross section contour.In measurement method provided by the present invention, without adjusting measuring device repeatedly, can one-shot measurement obtain the height and width of multiple grid lines, operation is simple, and measurement efficiency is high.The present invention also provides device, system and the computer readable storage mediums of a kind of the grid line height for measuring solar battery sheet and width, have above-mentioned beneficial effect.
Description
Technical field
The present invention relates to solar battery sheet performance detection technical fields, more particularly to a kind of measurement solar battery sheet
Grid line height and width method, apparatus, system and computer readable storage medium.
Background technique
Solar battery is a kind of semiconductor devices that the luminous energy of solar energy is converted into electric energy, and it is wide to be that one kind has
The new energy of development prospect.In solar battery metallization processes, the depth-width ratio of gate line electrode directly affects solar energy
The performance of battery.Factor of both the loss of battery electricity and optical loss is comprehensively considered, when the depth-width ratio of metal electrode is big (i.e.
Height is high, width is narrow) when, solar battery piece performance is best.And the slurry viscosity and wet during normal production operation
The variation of weight, the variation etc. of tension can all influence the height and width of gate line electrode under halftone difference service life, thus shadow
The each electrical property for arriving finished battery piece is rung, needs to monitor test cell piece grid line depth-width ratio situation in time during production operations
Just seem particularly significant.
The common measurement method of tradition, using laser as light source, is caught using optical microscopy using metallographic microscope
After grasping grid line position, the matched curve of grid line section is obtained after handling by computer analysis mode, then survey calculation obtains
The height value and width value at the interface, and then calculate the depth-width ratio of grid line.Grid line depth-width ratio is tested using metallographic microscope, is surveyed
Try it is cumbersome take a long time, and several points on the selection cell piece that while testing can only be artificial are tested, and test result does not have
Generality can not accurately feed back the overall condition for being tested cell piece entire surface or a certain region grid line depth-width ratio out, such as
Fruit production cell piece pattern changes and can not find to solve in time.
Summary of the invention
The object of the present invention is to provide a kind of grid line height for measuring solar battery sheet and the method, apparatus of width, it is
System and computer readable storage medium, the process for solving measurement cell piece at present is complicated for operation, the low measurement result of measurement efficiency
Not accurate problem.
In order to solve the above technical problems, the present invention provides the side of a kind of the grid line height for measuring solar battery sheet and width
Method, comprising:
The light spot image on the cell piece surface of CCD camera shooting is obtained in real time；Wherein, the light spot image is the CCD
Camera penetrates magnifying glass, and optical axis direction and cell piece shoot the image of cell piece surface hot spot in predetermined angle；The hot spot
For the hot spot that laser vertical irradiation is formed to cell piece upper surface, and the hot spot on the cell piece surface along perpendicular to grid line
Direction is mobile；
According to the mobile speed of the light spot image and the cell piece, the hot spot is obtained relative to the cell piece
Motion track；
The cell piece is obtained perpendicular to the cross section contour of grid line according to the motion track and the predetermined angle；
The height and width of the grid line are obtained according to the cross section contour.
Wherein, the speed mobile according to the light spot image and the cell piece, obtain the hot spot relative to
The motion track of the cell piece includes:
According to the height of hot spot in light spot image described in every frame and the duration of CCD camera shooting image spacing, obtain
Obtain the coordinate points that standoff height of the hot spot in each frame light spot image changes over timeWherein h is hot spot
Height in the light spot image, p1For CCD camera pixel, p2For the amplification factor of magnifying glass, t is CCD camera shooting
The time of the light spot image；
According to the movement speed v of the coordinate points and the cell piece, shifting of the hot spot on the cell piece is obtained
Dynamic tracing point
Wherein, described that the cell piece is obtained perpendicular to the section of grid line according to the motion track and the predetermined angle
Contour line includes:
The cross section profile coordinate points of the cell piece upper surface are obtained according to the motion track point and the predetermined angle θ
The cross section contour of the cell piece upper surface is obtained according to cross section profile coordinate points fitting.
Wherein, after height and the width for obtaining the grid line according to the cross section contour, further includes:
According to the height and width of multiple grid lines in the interface profile line, the grid line depth-width ratio of the cell piece is obtained
Average value, and the average value is shown in display interface.
Wherein, the diameter of the hot spot is not more than 0.5 μm；The predetermined angle is 30 °~45 °.
The present invention also provides the devices of a kind of the grid line height for measuring solar battery sheet and width, comprising:
Image collection module, the light spot image on the cell piece surface for obtaining CCD camera shooting in real time；Wherein, described
Light spot image is that the CCD camera penetrates magnifying glass, and optical axis direction and cell piece shoot cell piece surface light in predetermined angle
The image of spot；The hot spot is the hot spot that laser vertical irradiation is formed to cell piece upper surface, and the hot spot is in the battery
It is moved perpendicular to grid line direction on piece surface edge；
Track computing module obtains the light for the speed mobile according to the light spot image and the cell piece
Motion track of the spot relative to the cell piece；
Profile computing module obtains the cell piece perpendicular to grid line according to the motion track and the predetermined angle
Cross section contour；
Operation result of measurement module obtains the height and width of the grid line according to the cross section contour.
Wherein, the track computing module specifically includes:
Image analyzing unit is shot for the height of hot spot in the light spot image according to every frame and the CCD camera
The duration of image spacing obtains the coordinate points that standoff height of the hot spot in each frame light spot image changes over timeWherein h is height of the hot spot in the light spot image, p1For CCD camera pixel, p2For magnifying glass
Amplification factor, t are the time that the CCD camera shoots the light spot image；
Coordinates arithmetic unit obtains the hot spot and exists for the movement speed v according to the coordinate points and the cell piece
Motion track point on the cell piece
Wherein, the profile computing module is specifically used for obtaining institute according to the motion track point and the predetermined angle θ
State the cross section profile coordinate points of cell piece upper surfaceIt is fitted according to the cross section profile coordinate points
Obtain the cross section contour of the cell piece upper surface.
The present invention also provides it is a kind of measure solar battery sheet grid line height and width system, including laser,
CCD camera, magnifying glass, processor and memory；
Wherein, the laser forms hot spot in cell piece upper surface for vertical irradiation, and relative to the cell piece
It is moved along the direction perpendicular to grating；
The CCD camera is used to through the magnifying glass and with the cell piece be in predetermined angle, shoots the cell piece
On light spot image；
The memory is for storing computer program；
The processor is connected with the CCD camera and the memory, for being executed according to the light spot image
The computer program, the method to realize as above the grid line height of described in any item measurement solar battery sheets and width
Step.
The present invention also provides a kind of computer readable storage medium, meter is stored on the computer readable storage medium
Calculation machine program realizes the grid of as above described in any item measurement solar battery sheets when the computer program is executed by processor
The step of line height and the method for width.
It is provided by the present invention measurement solar battery sheet grid line height and width method, by by laser irradiation extremely
Cell piece upper surface forms hot spot, because relatively moving between cell piece and hot spot, hot spot can successively be drawn on cell piece surface
Cross each grid line upper surface, then CCD camera through magnifying glass bust shot to light spot image in, hot spot is with this cell piece table
The fluctuating of each grid line height in face also certainly exists the fluctuating of height, then time interval and hot spot based on every frame image taking
Relative to the movement velocity of cell piece, hot spot can be obtained in the motion track on cell piece surface.And CCD camera and cell piece it
Between inclination angle be predetermined angle, the cross section contour on cell piece surface can be obtained in conjunction with motion track and predetermined angle,
Also the height and width that each grid line can be can be obtained according to cross section contour are set in entire measurement process by each
It is standby fix after, without adjusting repeatedly, can one-shot measurement obtain the height and width of multiple grid lines, it is easy to operate easily
Row, measurement efficiency are high.
The present invention also provides device, system and the computers of a kind of the grid line height for measuring solar battery sheet and width
Readable storage medium storing program for executing has above-mentioned beneficial effect.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is that the process of the method for the grid line height provided in an embodiment of the present invention for measuring solar battery sheet and width is shown
It is intended to；
Fig. 2 is that the structure of the device of the grid line height provided in an embodiment of the present invention for measuring solar battery sheet and width is shown
It is intended to；
Fig. 3 is the coordinate schematic diagram of cell piece cross-sectional profiles line provided in an embodiment of the present invention；
Fig. 4 is the structural frames of the grid line height of measurement solar battery sheet provided in an embodiment of the present invention and the device of width
Figure.
Specific embodiment
Core of the invention is to provide a kind of method of grid line height and width for measuring solar battery sheet.
The conventional height of measurement grid line and the method for width are to use metallographic microscope by the grid on cell piece surface at present
Line amplification, and the grid line for choosing wherein several location points carries out the measurement of height and width.One location point of every measurement requires
Metallographic microscope is adjusted repeatedly, it is low to operate very cumbersome and measurement efficiency；And the number for the location point that can be measured
It measures limited, reduces the precision of measurement to a certain extent.
Method provided by the present invention carries out grid line height and width based on components such as laser, CCD camera and magnifying glasses
Measurement, simply can rapidly measure the height and width of each grid line on entire cell piece, measurement process is simple to operation,
And be conducive to improve measurement accuracy.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in FIG. 1, FIG. 1 is the sides of the grid line height of measurement solar battery sheet provided in an embodiment of the present invention and width
The flow diagram of method, this method may include:
Step S1: the light spot image on the cell piece surface of CCD camera shooting is obtained in real time.
Specifically, Fig. 2 can be referred to, Fig. 2 is the grid line height of measurement solar battery sheet provided in an embodiment of the present invention
With the structural schematic diagram of the device of width.As shown in Fig. 2, laser 1 is located at the surface of cell piece 4, cell piece 4 is relative to sharp
The laser relative movement that light device 1 emits, moving direction are the direction of arrow meaning in Fig. 2, that is, are perpendicular to the grid for needing to measure
The direction of line 41.Laser irradiation can form hot spot on 4 surface of cell piece.With the movement of cell piece 4, hot spot successively streaks electricity
Each grid line 41 of 4 upper surface of pond piece, because grid line 41 is raised in the upper surface of cell piece 4, facula position can be with grid line 41
Height change generate one height rise and fall variation.And CCD camera 2 can take hot spot by magnifying glass 3 and move with grid line
Dynamic modified-image.
It should be noted that be in Fig. 2 laser 1 position it is constant, and the position of mobile battery piece 4, in practical operation
In the process, cell piece 4 can also be kept motionless, is moved to laser 1 separately by one end of cell piece 4 in the top of cell piece 4
One end, can equally take the image of hot spot variation, and realize technical solution of the present invention, not limit in the present invention this
It is fixed.
Step S2: according to the mobile speed of light spot image and cell piece, moving rail of the hot spot relative to cell piece is obtained
Mark.
Optionally, it according to the duration of height and CCD camera the shooting image spacing of hot spot in every frame light spot image, obtains
The coordinate points that standoff height of the hot spot in each frame light spot image changes over timeWherein, h is hot spot
Height in light spot image, p1For CCD camera pixel, p2For the amplification factor of magnifying glass, t is described in CCD camera shooting
The time of light spot image；According to the movement speed v of coordinate points and the cell piece, motion track of the hot spot on cell piece is obtained
Point
It should be noted that hot spot is always in cell piece with the movement relative to laser of cell piece in the present embodiment
Upper surface it is mobile.It is using the mobile direction of cell piece as abscissa, perpendicular to the direction of cell piece upper surface in the present embodiment
For ordinate.So, the mobile speed of cell piece and the product of time be both the hot spot lateral displacement mobile on cell piece surface,
Again by the shooting of CCD camera, it is physical height by the altitude conversion of the hot spot of the shooting in CCD camera, can be obtained hot spot
Motion track in coordinate again, and cell piece surface is mobile again always for hot spot, that is, the moving rail on hot spot cell piece surface again
Mark.
Step S3: cell piece is obtained perpendicular to the cross section contour of grid line according to motion track and predetermined angle.
Optionally, it is taken turns according to the section that the motion track point and the predetermined angle θ obtain the cell piece upper surface
Wide coordinate points
The cross section contour of the cell piece upper surface is obtained according to the fitting of cross section profile coordinate points.
Because only CCD camera and cell piece upper surface is a certain included angle, and to obtain the accurate height value of grid line,
With regard to needing to obtain the height perpendicular to hot spot on grid line section, it is therefore desirable to which coordinate points are carried out angle conversion.Specifically, CCD
Inclination angle between camera and cell piece should not it is too big also should not be too small, predetermined angle can be set in 30 °~45 °.
In addition, since it is desired that obtaining the contour line of grid line, therefore hot spot in the position on grid line surface by shooting hot spot
Diameter should not be too big, should at least be not more than 0.5 μm.
The contour line for obtaining entire cell piece can be fitted according to the coordinate of each tracing point of each hot spot.Specifically, may be used
With reference to Fig. 3, Fig. 3 is the coordinate schematic diagram of cell piece cross-sectional profiles line provided in an embodiment of the present invention.As shown in figure 3, X2-X1、
X4-X3、X6-X5、X8-X7Respectively indicate the width of 4 grid lines, and Y1、Y2、Y3Then respectively indicate the height of each grid line.
Step S4: the height and width of grid line are obtained according to cross section contour.
The light spot image of CCD camera and magnifying glass cooperation shooting is analyzed and processed in the present invention, always based on hot spot
In the mobile characteristic in cell piece surface, the contour line of cell piece, and final thus measurement electricity are obtained using the mobile track of hot spot
The height and width of the multiple grid lines in pond piece surface.Operating process is simple and easy, can once obtain multiple grid without repeatedly adjusting
The height and width of line, improve the working efficiency of measurement.
Optionally, in another embodiment of the present invention, after above-mentioned steps S4, further includes:
Step S5: according to the height and width of grid lines multiple in interface profile line, the grid line depth-width ratio of cell piece is obtained
Average value, and average value is shown in display interface.
The height and width of each grid line can be directly measured according to the contour line that fitting obtains, it is straight by data processing
The average value for obtaining the grid line depth-width ratio of entire cell piece according to the height and width operation of grid line is connect, quick letter is allowed users to
The grid line performance parameter of single acquisition cell piece.
The device of the grid line height to measurement solar battery sheet provided in an embodiment of the present invention and width is situated between below
It continues, the grid line height of measurement solar battery sheet described below and the device and above-described measurement solar battery of width
The grid line height of piece and the method for width can correspond to each other reference.
Fig. 4 is the structural frames of the grid line height of measurement solar battery sheet provided in an embodiment of the present invention and the device of width
Figure, the device referring to the grid line height and width that measure solar battery sheet in Fig. 4 may include:
Image collection module 100, the light spot image on the cell piece surface for obtaining CCD camera shooting in real time.
Wherein, the light spot image is that the CCD camera penetrates magnifying glass, and optical axis direction and cell piece are in predetermined angle
Shoot the image of cell piece surface hot spot；The hot spot that the hot spot is formed for laser vertical irradiation to cell piece upper surface, and institute
Hot spot is stated to move on the cell piece surface edge perpendicular to grid line direction；
Track computing module 200, for the speed mobile according to the light spot image and the cell piece, described in acquisition
Motion track of the hot spot relative to the cell piece；
Profile computing module 300 obtains the cell piece perpendicular to grid according to the motion track and the predetermined angle
The cross section contour of line；
Operation result of measurement module 400 obtains the height and width of the grid line according to the cross section contour.
Optionally, in another specific embodiment of the present invention, the track computing module 200 is specifically included:
Image analyzing unit is shot for the height of hot spot in the light spot image according to every frame and the CCD camera
The duration of image spacing obtains the coordinate points that standoff height of the hot spot in each frame light spot image changes over timeWherein h is height of the hot spot in the light spot image, p1For CCD camera pixel, p2For magnifying glass
Amplification factor, t is that the CCD camera shoots time of the light spot image；
Coordinates arithmetic unit obtains the hot spot and exists for the movement speed v according to the coordinate points and the cell piece
Motion track point on the cell piece
Optionally, in another specific embodiment of the present invention, the profile computing module 300 is specifically used for according to the shifting
Dynamic tracing point and the predetermined angle θ obtain the cross section profile coordinate points of the cell piece upper surfaceThe cross section profile of the cell piece upper surface is obtained according to cross section profile coordinate points fitting
Line.
Optionally, in another embodiment of the present invention, it can further include:
Depth-width ratio computing module, for the height and width according to multiple grid lines in the interface profile line, described in acquisition
The average value of the grid line depth-width ratio of cell piece, and the average value is shown in display interface.
The grid line height of solar battery sheet and the device of width are measured provided in the present invention, it can be fast and accurately
The height and width of multiple grid lines on cell piece are obtained, measurement efficiency easy to operate is high.
The system of a kind of the grid line height for measuring solar battery sheet and width is additionally provided in the present invention, can specifically be joined
Examine Fig. 2, comprising:
Laser 1, CCD camera 2, magnifying glass 3, processor and memory；
Wherein, the laser 1 forms hot spot in 4 upper surface of cell piece for vertical irradiation, and relative to the battery
Piece 4 is moved along the direction perpendicular to grating 41；
The CCD camera 2 is used to through the magnifying glass 3 and with the cell piece 4 be in predetermined angle, shoots the battery
Light spot image on piece 4；
The memory is for storing computer program；
The processor is connected with the CCD camera and the memory, for being executed according to the light spot image
The computer program, realizing grid line height and the width of the measurement solar battery sheet as described in above-mentioned any embodiment
The step of method.
Specifically, memory and processor can be built in the same host 5, by protecting the host and CCD camera 2
Communication connection is held, the light spot image that CCD camera 2 is shot is obtained, and carries out the processing operation of light spot image on host 5, finally
Obtain the height and width of grid line 41.
The grid line height of measurement solar battery sheet provided in this embodiment and the system of width can be surveyed rapidly and accurately
The height and width of the multiple grid lines in cell piece surface are measured, easy to operate, measurement efficiency is high.
The present invention also provides a kind of computer readable storage medium, meter is stored on the computer readable storage medium
Calculation machine program, the computer program realize measurement solar battery sheet described in above-mentioned any embodiment when being executed by processor
Grid line height and width method the step of.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
Claims (10)
1. a kind of method for the grid line height and width for measuring solar battery sheet characterized by comprising
The light spot image on the cell piece surface of CCD camera shooting is obtained in real time；Wherein, the light spot image is the CCD camera
Through magnifying glass, and optical axis direction and cell piece shoot the image of cell piece surface hot spot in predetermined angle；The hot spot is sharp
The hot spot that light vertical irradiation is formed to cell piece upper surface, and the hot spot on the cell piece surface along perpendicular to grid line direction
It is mobile；
According to the mobile speed of the light spot image and the cell piece, shifting of the hot spot relative to the cell piece is obtained
Dynamic rail mark；
The cell piece is obtained perpendicular to the cross section contour of grid line according to the motion track and the predetermined angle；
The height and width of the grid line are obtained according to the cross section contour.
2. the method as described in claim 1, which is characterized in that described mobile according to the light spot image and the cell piece
Speed, the motion track for obtaining the hot spot relative to the cell piece includes:
According to the height of hot spot in light spot image described in every frame and the duration of CCD camera shooting image spacing, light is obtained
The coordinate points that standoff height of the spot in each frame light spot image changes over timeWherein h is hot spot in institute
State the height in light spot image, p1For CCD camera pixel, p2For the amplification factor of magnifying glass, t is described in CCD camera shooting
The time of light spot image；
According to the movement speed v of the coordinate points and the cell piece, moving rail of the hot spot on the cell piece is obtained
Mark point
3. method according to claim 2, which is characterized in that described to be obtained according to the motion track and the predetermined angle
The cell piece includes: perpendicular to the cross section contour of grid line
The cross section profile coordinate points of the cell piece upper surface are obtained according to the motion track point and the predetermined angle θ
The cross section contour of the cell piece upper surface is obtained according to cross section profile coordinate points fitting.
4. method as described in any one of claims 1 to 3, which is characterized in that according to cross section contour acquisition
After the height and width of grid line, further includes:
According to the height and width of multiple grid lines in the interface profile line, being averaged for the grid line depth-width ratio of the cell piece is obtained
Value, and the average value is shown in display interface.
5. method as claimed in claim 4, which is characterized in that the diameter of the hot spot is not more than 0.5 μm；The predetermined angle
It is 30 °~45 °.
6. a kind of device of the grid line height for measuring solar battery sheet and width characterized by comprising
Image collection module, the light spot image on the cell piece surface for obtaining CCD camera shooting in real time；Wherein, the hot spot
Image is that the CCD camera penetrates magnifying glass, and optical axis direction and cell piece are in predetermined angle shooting cell piece surface hot spot
Image；The hot spot is the hot spot that laser vertical irradiation is formed to cell piece upper surface, and the hot spot is in the cell piece table
It is moved perpendicular to grid line direction on face edge；
Track computing module obtains the hot spot phase for the speed mobile according to the light spot image and the cell piece
For the motion track of the cell piece；
Profile computing module obtains the cell piece perpendicular to the section of grid line according to the motion track and the predetermined angle
Contour line；
Operation result of measurement module obtains the height and width of the grid line according to the cross section contour.
7. device as claimed in claim 6, which is characterized in that the track computing module specifically includes:
Image analyzing unit shoots image for the height of hot spot in the light spot image according to every frame and the CCD camera
The duration at interval obtains the coordinate points that standoff height of the hot spot in each frame light spot image changes over timeWherein h is height of the hot spot in the light spot image, p1For CCD camera pixel, p2For magnifying glass
Amplification factor, t is that the CCD camera shoots time of the light spot image；
Coordinates arithmetic unit obtains the hot spot described for the movement speed v according to the coordinate points and the cell piece
Motion track point on cell piece
8. device as claimed in claim 7, which is characterized in that the profile computing module is specifically used for according to the moving rail
Mark point and the predetermined angle θ obtain the cross section profile coordinate points of the cell piece upper surface
The cross section contour of the cell piece upper surface is obtained according to cross section profile coordinate points fitting.
9. a kind of system of the grid line height for measuring solar battery sheet and width, which is characterized in that including laser, CCD phase
Machine, magnifying glass, processor and memory；
Wherein, the laser forms hot spot in cell piece upper surface for vertical irradiation, and relative to the cell piece along vertical
It is directly mobile in the direction of grating；
The CCD camera is used to through the magnifying glass and with the cell piece be in predetermined angle, shoots on the cell piece
Light spot image；
The memory is for storing computer program；
The processor is connected with the CCD camera and the memory, for according to light spot image execution
Computer program, to realize such as the grid line height of measurement solar battery sheet described in any one of claim 1 to 5 and width
The step of method.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes such as measurement solar battery described in any one of claim 1 to 5 when the computer program is executed by processor
The step of grid line height of piece and the method for width.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050741A (en) * | 2020-09-11 | 2020-12-08 | 广东广纳芯科技有限公司 | Method for measuring period length of periodic grid array |
| CN116525480A (en) * | 2023-05-10 | 2023-08-01 | 广东空天科技研究院(南沙) | Microscopic image-based automatic detection method for forming quality of laser grid line |
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