CN103217421B - The bearing calibration of soft board sense partitions contraposition - Google Patents
The bearing calibration of soft board sense partitions contraposition Download PDFInfo
- Publication number
- CN103217421B CN103217421B CN201210015749.4A CN201210015749A CN103217421B CN 103217421 B CN103217421 B CN 103217421B CN 201210015749 A CN201210015749 A CN 201210015749A CN 103217421 B CN103217421 B CN 103217421B
- Authority
- CN
- China
- Prior art keywords
- subregion
- soft board
- identification
- scope
- points
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Image Analysis (AREA)
- Image Input (AREA)
- Image Processing (AREA)
Abstract
The present invention relates to a kind of bearing calibration of soft board subregion contraposition, the problem of mainly solving correctly recognize because of deformation off normal in soft board detection process in the prior art, the present invention aligns bearing calibration by using subregion, comprises the following steps：Obtain soft board image；Image split shed and line are converted into figure；On two diagonal vertex positions of soft board, P1 and P2 pictorial symbolizations are set, aligned at the beginning of carrying out at 2 points by P1 and P2 pictorial symbolizations；Block plan figurate number amount higher limit N, and subregion Y-direction height Y1 and X-direction step value X ' distances are set；Determine the scope Z1 of first subregion；Diagonal two point P1 and P3 are chosen in Z1 regions and carry out two-point locating, the comparison of figure and identification figure is then designed；Sector scanning is carried out continuously, untill view picture Surface scan is completed；The technical scheme of soft board subregion contraposition detection is completed, the problem is preferably solved, the integral system for cutting and detecting available for SMT templates is particularly applied in the device systems that SMT laser templates are cut and are detected.
Description
Technical field
The present invention relates to a kind of detection adaptive partition contraposition bearing calibration of soft board.
Background technology
In soft board detection process is carried out using plate scanning apparatus, soft board is placed on detector plate glass, led to
Cross line scan camera combination stepper motor and obtain soft board image.By the feature recognition to image, obtain soft board upper shed and
The position of line, generates data file and differentiates whether opening and line are accurate with the contrast of original design file.But it is due to soft
Itself out-of-flatness in plate placement process, can not be adjacent to plate glass face completely in scanning process, as shown in figure 1, so easily
Cause local figure torsional deformation.In large area contraposition identification process, using diagonal 2 points contrapositions, deformed region is with distance
Increase deviation accumulation is also being continuously increased, as shown in Fig. 2 eventually cause figure off normal, can be because in partial graphical deformed region
For position deviation is excessive and correctly can not recognize and match opening or line, cause to recognize mistake.
Chinese patent CN101249590 discloses a kind of ultraviolet laser cutting machine tool for R＆F plates, including：Laser Focusing
Scanning system, software control system and the vacuum pumping platform system for positioning R＆F plates, wherein, R＆F plates include hardboard part and soft board
Part, the software control system will control the hardboard part of R＆F plates and the program setting of soft board part to be controlled for hardboard respectively
Module program and soft board control module program, the Laser Focusing scanning system are controlled according to the hardboard of software control system respectively
Module program and soft board control module program carry out cutting processing to the hardboard part in vacuum pumping platform system and soft board part.
Chinese patent CN101742822A discloses a kind of method that hardboard is peeled off in flexible board area in rigid-flex, mainly with
Pressing step makes a soft board be pressed with an at least internal layer hardboard together, and makes soft board locally exposed and form a flexible board area, utilizes
The technology can remove hardboard part to be removed in rigid-flex by easy rote, and solving traditional technology must be through too drastic
Problem of taking a lot of work is taken derived from the technological processes such as light cutting, exposure imaging, etching, striping.
Above-mentioned patent does not all disclose the detection bearing calibration of soft board.This patent proposes a kind of detection method, by adaptive
Answer subregion contraposition identification to eliminate cumulative errors, reduce error recognition rate.
The content of the invention
The technical problems to be solved by the invention be present in prior art in soft board detection process because deformation off normal without
The problem of method is correctly recognized.Present invention offer is a kind of new to be used for after being cut by laser, and the subregion of soft board detection aligns bearing calibration.
This method, which has, accurately identifies elimination cumulative errors, reduces the advantage of error recognition rate.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：A kind of soft board sense partitions contraposition detection
Method, including following following steps：
a）Progressive scan is combined with stepper motor using linear ccd equipment, soft board image is obtained；
b）By recognizer, image split shed and line are converted into figure；
c）On two diagonal vertex positions of soft board, P1 and the dot patterns of P2 two mark are set, pass through P1 and P2 pictorial symbolizations
Aligned at the beginning of 2 points；
d）Block plan figurate number amount higher limit N, and subregion Y-direction height Y1 and X-direction step value X ' distances are set；
e）Since the graph position of first, the upper left corner, Y-direction is fixed as Y1, and X-direction expands to the right subregion scope, often
Secondary expansion X ' distances, when X is expanded to X1, figure quantity reaches or during just above N in subregion, determines the model of first subregion
Enclose Z1；
f）Diagonal two point P1 and P3 are chosen in Z1 regions and carry out two-point locating, figure and identification is then designed
The comparison of figure；
g）From upper step f）X-direction end position start, continue to the right expand subregion scope, expand X ' distances every time,
Y-direction is fixed as Y1, and X-direction is when X is expanded to X2, and figure quantity reaches or during just above N in subregion, determines the second point
The scope Z2 in area, chooses a figure farthest apart from Z1 in a figure P3 and Z2 region nearest apart from Z2 regions in Z1 regions
Shape P4 is relocated as datum mark, is then designed the comparison of figure and identification figure；
h）Repeat step g）, until one's own profession, completion is compared in last region；
i）Next line X original positions are since lastrow end position, reverse expanded scope search opening, region height
Y1 is kept, figure quantity reaches or during just above N in subregion, determines the scope Z2 of first subregion, is chosen in Z1 regions
Diagonal two point P2 and P3 carry out two point reorientations, are then designed the comparison of figure and identification figure；
j）Repeat step g）To step i）, S types are carried out continuously sector scanning, untill view picture Surface scan is completed；Complete
The contraposition detection of soft board subregion；
Wherein, often in first subregion of row, using multiple correction detection method, including following following steps：
Ⅰ）Progressive scan is combined with stepper motor using linear ccd equipment, soft board image is obtained；
Ⅱ）By recognizer, image split shed and line are converted into figure；
Ⅲ）On two diagonal vertex positions of soft board, P1 and the dot patterns of P2 two mark are set, pass through P1 and P2 pictorial symbolizations
Aligned at the beginning of 2 points；
Ⅳ）Set parameter D scope, represent design configuration center and the centre of figure position deviation that accordingly recognizes away from
From minimum value Dmin and maximum Dmax, wherein Dmin and Dmax are both greater than 0；
Ⅴ）Since P1 points, according to certain recognition sequence, the opening and scribe pattern of soft board are recognized one by one；It is current to know
When other centre of figure and the position deviation at design configuration center are less than Dmin, continue next figure identification；Current identification figure
When the position deviation at center and design configuration center is between Dmin and Dmax, judge that off normal can receive, identification is correct, according to
Deviation translates positioning whole figure again overlaps design configuration center and identification centre of figure；Current identification centre of figure with
When the position deviation at design configuration center is more than Dmax, identification off normal mistake is differentiated, continue next figure identification；
Ⅵ）According to step V）Differentiation and re-positioning method, pointwise identification, positioning, until recognizing to angular vertex P2
Point.
In above-mentioned technical proposal, in each area, recognition sequence is：From P1 points, by zigzag order, P2 points are recognized,
Deviation caused by normal soft board out-of-flatness is one progressive, the process progressively accumulated.If partial deviations are undergone mutation, sentence
Determine soft board fold or displacement is unacceptable, reposition.
In the present invention, the partition method carries out local positioning in certain area, can be with successive elimination because soft board does not have
There is the large area region figure deformation mistake that complete docile is produced on scanning plate glass.While the more intensive region of figure
Often required precision is higher, and the localization region determined by figure quantity is also smaller, the precision positioned in smaller scope
It is higher, the high requirement of high density graph local precision has been adapted to, soft board Scanning Detction efficiency and accuracy is greatly improved.
The present invention, which is opened, can use other method positioning correcting in subregion.In general, normal soft board out-of-flatness causes
Off normal be one progressive, the process that deviation is progressively accumulated.It is considered that soft board fold if partial deviations are undergone mutation
It is unacceptable.On the two diagonal vertex positions in each area of soft board, P1 and the dot patterns of P2 two mark are set, schemed by P1 and P2
Shape mark aligned at the beginning of 2 points；Parameter D scope is set, design configuration center and the centre of figure accordingly recognized is represented
The minimum value Dmin and maximum Dmax of position deviation distance, wherein Dmin and Dmax are both greater than 0；D is set according to this feature
Value has following effect：Dmin values determine the limit of centralized positioning adjustment, and Dmin values are smaller under equal conditions, adjust for
It is more sensitive more frequent.Making an appointment Dmin values when soft board flatness can set smaller, and the poorer Dmin values of soft board flatness can be appropriate
Amplification.Dmax values determine differentiate off normal mistake thresholding, Dmax is closer to Dmin values, it is allowed to two neighboring graph position it is inclined
Difference is smaller, it is desirable to which local accuracy is higher.Dmax is bigger（Dmax and Dmin values are interval bigger）, it is allowed to local accuracy it is lower.
Using the method for the present invention, the problem of can not correctly being recognized because of deformation off normal in soft board detection process is solved.Together
Shi Tigao detection efficiencies and accuracy, eliminate cumulative errors, reduce error recognition rate, improve production efficiency, save production cost,
Achieve preferable technique effect.
Brief description of the drawings
Fig. 1 is soft board out-of-flatness design sketch.
Fig. 2 positions schematic diagram at the beginning of soft board.
Fig. 3 is first subregion Z1 contraposition detects schematic diagram.
Fig. 4 is second subregion Z2 contraposition detects schematic diagram.
Fig. 5 is that the first row subregion aligns detects schematic diagram.
Fig. 6 is that the second row aligns detects schematic diagram.
Fig. 7 is often the firstth area of row detection ordering schematic diagram.
Below by specific embodiment, the invention will be further elaborated, but is not limited only to the present embodiment.
Specific embodiment
【Embodiment 1】
A kind of soft board sense partitions alignment detecting method, as shown in Fig. 2,3,4,5,6, including following following steps：
a）Progressive scan is combined with stepper motor using linear ccd equipment, soft board image is obtained；
b）By recognizer, image split shed and line are converted into figure；
c）On two diagonal vertex positions of soft board, P1 and the dot patterns of P2 two mark are set, pass through P1 and P2 pictorial symbolizations
Aligned at the beginning of 2 points；
d）Block plan figurate number amount higher limit N, and subregion Y-direction height Y1 and X-direction step value X ' distances are set；
e）Since the graph position of first, the upper left corner, Y-direction is fixed as Y1, and X-direction expands to the right subregion scope, every time
Expand X ' distances, when X is expanded to X1, figure quantity reaches or during just above N in subregion, determines the scope of first subregion
Z1；
f）Diagonal two point P1 and P3 are chosen in Z1 regions and carry out two-point locating, figure and identification figure is then designed
The comparison of shape；
g）From upper step f）X-direction end position start, continue to the right expand subregion scope, expand X ' distances every time,
Y-direction is fixed as Y1, and X-direction is when X is expanded to X2, and figure quantity reaches or during just above N in subregion, determines the second point
The scope Z2 in area, chooses a figure farthest apart from Z1 in a figure P3 and Z2 region nearest apart from Z2 regions in Z1 regions
Shape P4 is relocated as datum mark, is then designed the comparison of figure and identification figure；
h）Repeat step g）, until one's own profession, completion is compared in last region；
i）Next line X original positions are since lastrow end position, reverse expanded scope search opening, region height
Y1 is kept, figure quantity reaches or during just above N in subregion, determines the scope Z2 of first subregion, is chosen in Z1 regions
Diagonal two point P2 and P3 carry out two point reorientations, are then designed the comparison of figure and identification figure；
j）Repeat step g）To step i）, S types are carried out continuously sector scanning, untill view picture Surface scan is completed；Complete
The contraposition detection of soft board subregion.
Wherein, often in first subregion of row, using multiple correction detection method, as shown in fig. 7, comprises following following several
Individual step：
Ⅰ）Progressive scan is combined with stepper motor using linear ccd equipment, soft board image is obtained；
Ⅱ）By recognizer, image split shed and line are converted into figure；
Ⅲ）On two diagonal vertex positions of soft board, P1 and the dot patterns of P2 two mark are set, pass through P1 and P2 pictorial symbolizations
Aligned at the beginning of 2 points；
Ⅳ）Set parameter D scope, represent design configuration center and the centre of figure position deviation that accordingly recognizes away from
From minimum value Dmin and maximum Dmax, wherein Dmin and Dmax are both greater than 0；
Ⅴ）Since P1 points, according to certain recognition sequence, the opening and scribe pattern of soft board are recognized one by one；It is current to know
When other centre of figure and the position deviation at design configuration center are less than Dmin, continue next figure identification；Current identification figure
When the position deviation at center and design configuration center is between Dmin and Dmax, judge that off normal can receive, identification is correct, according to
Deviation translates positioning whole figure again overlaps design configuration center and identification centre of figure；Current identification centre of figure with
When the position deviation at design configuration center is more than Dmax, identification off normal mistake is differentiated, continue next figure identification；
Ⅵ）According to step V）Differentiation and re-positioning method, pointwise identification, positioning, until recognizing to angular vertex P2
Point.
【Embodiment 2】
A kind of soft board sense partitions alignment detecting method, including following following steps：
a）Progressive scan is combined with stepper motor using linear ccd equipment, soft board image is obtained；
b）By recognizer, image split shed and line are converted into figure；
c）On two diagonal vertex positions of soft board, P1 and the dot patterns of P2 two mark are set, pass through P1 and P2 pictorial symbolizations
Aligned at the beginning of 2 points；
d）Block plan figurate number amount higher limit N, and subregion Y-direction height Y1 and X-direction step value X ' distances are set；
e）Since the graph position of first, the upper left corner, Y-direction is fixed as Y1, and X-direction expands to the right subregion scope, often
Secondary expansion X ' distances, when X is expanded to X1, figure quantity reaches or during just above N in subregion, determines the model of first subregion
Enclose Z1；
f）Diagonal two point P1 and P3 are chosen in Z1 regions and carry out two-point locating, figure and identification is then designed
The comparison of figure；
g）From upper step f）X-direction end position start, continue to the right expand subregion scope, expand X ' distances every time,
Y-direction is fixed as Y1, and X-direction is when X is expanded to X2, and figure quantity reaches or during just above N in subregion, determines the second point
The scope Z2 in area, chooses a figure farthest apart from Z1 in a figure P3 and Z2 region nearest apart from Z2 regions in Z1 regions
Shape P4 is relocated as datum mark, is then designed the comparison of figure and identification figure；
h）Repeat step g）, until one's own profession, completion is compared in last region；
i）Next line X original positions are since lastrow end position, and reverse expanded scope search opening, region height is protected
Hold figure quantity in Y1, subregion to reach or during just above N, determine the scope Z2 of first subregion, chosen in Z1 regions pair
Two, angle point P2 and P3 carries out two point reorientations, is then designed the comparison of figure and identification figure；
j）Repeat step g）To step i）, S types are carried out continuously sector scanning, untill view picture Surface scan is completed；Complete
The contraposition detection of soft board subregion.
Bearing calibration in first region is：On the diagonal vertex position in area two, P1 and the dot pattern marks of P2 two are set
Note, is aligned at the beginning of carrying out at 2 points by P1 and P2 pictorial symbolizations；Parameter D scope is set, design configuration center and phase is represented
The minimum value Dmin and maximum Dmax for the centre of figure position deviation distance that should be recognized, wherein Dmin and Dmax are both greater than 0；From
P1 points start, and according to certain recognition sequence, the opening and scribe pattern of soft board are recognized one by one；Current identification centre of figure is with setting
When the position deviation for counting centre of figure is less than Dmin, continue next figure identification；Current identification centre of figure and design configuration
When the position deviation at center is between Dmin and Dmax, judge that off normal can receive, identification is correct, is translated again according to deviation
Positioning whole figure overlaps design configuration center and identification centre of figure；Current identification centre of figure and design configuration center
When position deviation is more than Dmax, identification off normal mistake is differentiated, continue next figure identification；According to above-mentioned differentiation and repositioning
Method, pointwise identification, positioning, until recognizing to angular vertex P2 points.
【Embodiment 3】
A kind of soft board sense partitions alignment detecting method, as shown in Fig. 2,3,4,5,6, including following following steps：
a）Progressive scan is combined with stepper motor using linear ccd equipment, soft board image is obtained；
b）By recognizer, image split shed and line are converted into figure；
c）On two diagonal vertex positions of soft board, P1 and the dot patterns of P2 two mark are set, pass through P1 and P2 pictorial symbolizations
Aligned at the beginning of 2 points；
d）Block plan figurate number amount higher limit N, and subregion Y-direction height Y1 and X-direction step value X ' distances are set；
e）Since the graph position of first, the upper left corner, Y-direction is fixed as Y1, and X-direction expands to the right subregion scope, often
Secondary expansion X ' distances, when X is expanded to X1, figure quantity reaches or during just above N in subregion, determines the model of first subregion
Enclose Z1；
f）Diagonal two point P1 and P3 are chosen in Z1 regions and carry out two-point locating, figure and identification is then designed
The comparison of figure；
g）From upper step f）X-direction end position start, continue to the right expand subregion scope, expand X ' distances every time,
Y-direction is fixed as Y1, and X-direction is when X is expanded to X2, and figure quantity reaches or during just above N in subregion, determines the second point
The scope Z2 in area, chooses a figure farthest apart from Z1 in a figure P3 and Z2 region nearest apart from Z2 regions in Z1 regions
Shape P4 is relocated as datum mark, is then designed the comparison of figure and identification figure；
h）Repeat step g）, until one's own profession, completion is compared in last region；
i）Next line X original positions are since lastrow end position, reverse expanded scope search opening, region height
Y1 is kept, figure quantity reaches or during just above N in subregion, determines the scope Z2 of first subregion, is chosen in Z1 regions
Diagonal two point P2 and P3 carry out two point reorientations, are then designed the comparison of figure and identification figure；
Repeat step g）To step i）, S types are carried out continuously sector scanning, untill view picture Surface scan is completed；Complete soft
The contraposition detection of plate subregion.Region Z1 recognition sequences can be：From P1 points, by zigzag order, P2 points are recognized, it is normal soft
Deviation D caused by plate out-of-flatness is one progressive, the process progressively accumulated.The two neighboring graph position deviation allowed is got over
It is small, it is desirable to which that local accuracy is higher.
Claims (3)
1. a kind of soft board subregion alignment detecting method, including following following steps：
A) progressive scan is combined with stepper motor using linear ccd equipment, obtains soft board image；
B) by recognizer, image split shed and line are converted into figure；
C) on two diagonal vertex positions of soft board, P1 and the dot patterns of P2 two mark is set, carried out by P1 and P2 pictorial symbolizations
Aligned at the beginning of 2 points；
D) block plan figurate number amount higher limit N, and subregion Y-direction height Y1 and X-direction step value X ' distances are set；
E) since the graph position of first, the upper left corner, Y-direction is fixed as Y1, and X-direction expands to the right subregion scope, expands every time
X ' distances, when X is expanded to X1, figure quantity reaches or during just above N in subregion, determines the scope Z1 of first subregion；
F) diagonal two point P1 and P3 are chosen in Z1 regions and carry out two-point locating, figure and identification figure is then designed
Compare；
G) from upper step f）X-direction end position start, continue to the right expand subregion scope, expand X ' distances, Y-direction every time
Y1 is fixed as, X-direction is when X is expanded to X2, and figure quantity reaches or during just above N in subregion, determines second subregion
Scope Z2, chooses a figure P4 farthest apart from Z1 in a figure P3 and Z2 region nearest apart from Z2 regions in Z1 regions
Relocated as datum mark, be then designed the comparison of figure and identification figure；
H) repeat step g）, until one's own profession, completion is compared in last region；
I) next line X original positions are since lastrow end position, and reverse expanded scope search opening, region height is kept
Figure quantity reaches or during just above N in Y1, subregion, determines the scope Z2 of first subregion, chooses diagonal in Z1 regions
Two point P2 and P3 carry out two point reorientations, are then designed the comparison of figure and identification figure；
J) repeat step g）To step i）, S types are carried out continuously sector scanning, untill view picture Surface scan is completed；Complete soft board
Subregion contraposition detection；
Wherein, often in first subregion of row, using multiple correction detection method, including following following steps：
Ⅰ）Progressive scan is combined with stepper motor using linear ccd equipment, soft board image is obtained；
Ⅱ）By recognizer, image split shed and line are converted into figure；
Ⅲ）On two diagonal vertex positions of soft board, P1 and the dot patterns of P2 two mark are set, carried out by P1 and P2 pictorial symbolizations
Aligned at the beginning of 2 points；
Ⅳ）Set parameter D scope, represent design configuration center and the centre of figure position deviation distance that accordingly recognizes
Minimum value Dmin and maximum Dmax, wherein Dmin and Dmax are both greater than 0；
Ⅴ）Since P1 points, according to certain recognition sequence, the opening and scribe pattern of soft board are recognized one by one；Current identification figure
When the position deviation at shape center and design configuration center is less than Dmin, continue next figure identification；Current identification centre of figure
During with the position deviation at design configuration center between Dmin and Dmax, judge that off normal can receive, identification is correct, according to deviation
Value translates positioning whole figure again overlaps design configuration center and identification centre of figure；Current identification centre of figure and design
When the position deviation of centre of figure is more than Dmax, identification off normal mistake is differentiated, continue next figure identification；
Ⅵ）According to step V）Differentiation and re-positioning method, pointwise identification, positioning, until recognizing to angular vertex P2 points.
2. soft board subregion alignment detecting method according to claim 1, it is characterised in that recognition sequence is：The two of soft board
On diagonal vertex position, P1 and the dot patterns of P2 two mark are set, from P1 points, by zigzag order, P2 points are recognized.
3. soft board subregion alignment detecting method according to claim 1, it is characterised in that local positioning is carried out in region, by
Step is eliminated because the large area region figure deformation mistake that soft board does not have complete docile to be produced on scanning plate glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015749.4A CN103217421B (en) | 2012-01-19 | 2012-01-19 | The bearing calibration of soft board sense partitions contraposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015749.4A CN103217421B (en) | 2012-01-19 | 2012-01-19 | The bearing calibration of soft board sense partitions contraposition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103217421A CN103217421A (en) | 2013-07-24 |
| CN103217421B true CN103217421B (en) | 2017-09-08 |
Family
ID=48815403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210015749.4A Active CN103217421B (en) | 2012-01-19 | 2012-01-19 | The bearing calibration of soft board sense partitions contraposition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103217421B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9523735B2 (en) * | 2014-10-08 | 2016-12-20 | Eastman Kodak Company | Electrical test system with vision-guided alignment |
| TWI667530B (en) * | 2017-09-28 | 2019-08-01 | 日商紐富來科技股份有限公司 | Inspection method and inspection device |
| CN110243924A (en) * | 2019-07-03 | 2019-09-17 | 西红柿科技（武汉）有限公司 | A kind of storage tank bottom plate intelligent detecting method |
| CN113670949A (en) * | 2021-08-27 | 2021-11-19 | 惠州市特创电子科技股份有限公司 | Subarea inspection method of large circuit board stepping inspection machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009041016A1 (en) * | 2007-09-28 | 2009-04-02 | Panasonic Corporation | Inspection apparatus and inspection method |
| CN101996398A (en) * | 2009-08-12 | 2011-03-30 | 睿励科学仪器（上海）有限公司 | Image matching method and equipment for wafer alignment |
| CN102156136A (en) * | 2011-03-14 | 2011-08-17 | 浙江展邦电子科技有限公司 | Method for detecting PCB negative film |
-
2012
- 2012-01-19 CN CN201210015749.4A patent/CN103217421B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009041016A1 (en) * | 2007-09-28 | 2009-04-02 | Panasonic Corporation | Inspection apparatus and inspection method |
| CN101996398A (en) * | 2009-08-12 | 2011-03-30 | 睿励科学仪器（上海）有限公司 | Image matching method and equipment for wafer alignment |
| CN102156136A (en) * | 2011-03-14 | 2011-08-17 | 浙江展邦电子科技有限公司 | Method for detecting PCB negative film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103217421A (en) | 2013-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103217421B (en) | The bearing calibration of soft board sense partitions contraposition | |
| JP4462717B2 (en) | Rotating blade position detection device | |
| JP5554228B2 (en) | Substrate processing method | |
| KR20110138879A (en) | Machining error corrector method using optical pick up | |
| US20120015458A1 (en) | Mounting apparatus and mounting method | |
| JP2008100258A (en) | Laser beam machining apparatus | |
| US6647138B1 (en) | Electronic component mounting method and mounting apparatus | |
| CN103217429B (en) | Soft board detection partition position-alignment correction method | |
| JPH0580842A (en) | Control method for moving robot | |
| JP3533066B2 (en) | Work device position correction apparatus and method | |
| JP4855347B2 (en) | Parts transfer device | |
| CN112950722B (en) | Offset calibration method between camera and dispensing head of dispensing machine | |
| JPH08236995A (en) | Method of mounting chip | |
| CN103217148B (en) | Soft board detection self adaptation repeatedly aligns bearing calibration | |
| CN110465752B (en) | Photographic paper pattern cutting method and laser cutting equipment thereof | |
| JPH0569301B2 (en) | ||
| JP5040643B2 (en) | Alignment method | |
| CN103217427B (en) | Detection method after FPC Laser Processing | |
| JP3341621B2 (en) | Work positioning method | |
| JP3763229B2 (en) | Position detection method by image recognition | |
| JP2000211106A (en) | Screen mask aligning method in screen printing | |
| JP3555488B2 (en) | Electronic component mounting apparatus and mounting method | |
| CN115330877B (en) | Mutual copying method for operation programs of same machine | |
| CN114393931B (en) | High-precision laser printing method | |
| JP2006229119A (en) | Alignment method in exposure device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |