CN109228707A - A kind of bar code production method on PCB - Google Patents
A kind of bar code production method on PCB Download PDFInfo
- Publication number
- CN109228707A CN109228707A CN201810981772.6A CN201810981772A CN109228707A CN 109228707 A CN109228707 A CN 109228707A CN 201810981772 A CN201810981772 A CN 201810981772A CN 109228707 A CN109228707 A CN 109228707A
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- CN
- China
- Prior art keywords
- bar code
- pcb
- white paint
- etched
- production method
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
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- Pinball Game Machines (AREA)
Abstract
This application discloses the bar code production methods on a kind of PCB, including covering white paint on the solder mask of PCB；The white paint is etched using laser automatic etching barcode machine, obtain default bar code, specifically first the PCB can be put into the laser automatic etching barcode machine, then positioning and direction discernment are carried out to the white paint on the PCB, the mark point on the PCB is grabbed again, locking bar code system makees region, extracts the default bar code of user's input and is etched on the white paint, finally takes out the PCB.This just eliminates the trouble of artificial joint strip code, and the bar code itself that this method is produced occupies certain thickness unlike the bar code manually pasted, and it can not replace, therefore it is able to ascend operating efficiency, use manpower and material resources sparingly cost, it avoids influencing paste solder printing effect and accessory appearance detection effect, and avoids practising fraud.
Description
Technical field
The invention belongs to printed-board technology fields, more particularly to the bar code production method on a kind of PCB.
Background technique
Bar code (barcode) is the multiple secret notes and blank for not waiting width, is arranged according to certain coding rule, is used
To express the graphical identifier of a group information, common bar code is the secret note (abbreviation item) to be differed greatly by reflectivity and informal voucher
The pattern of parallel lines that (referred to as empty) is lined up.Bar code can mark the producing country, manufacturing firm, product name, production date of article
Many information such as phase, book classification number, mail start-stop place, classification, date.
In present electronics industry, when carrying out the production of PCBA, for efficient and simplified cost, enterprise product is improved
Information collecting capacity requires to paste bar code in plate face, for tracing the manufacturing information of board.And at this stage, factory
It is all then to carry out hand paste in the initial station scheduling job personnel of SMT producing line by artificial online lower first printed bar code,
It is had the disadvantage that in this way first is that full manual work, time-consuming, effort, consumption cost, second is that bar code can be clipped between steel mesh and PCB,
It when leading to paste solder printing, is had the gap between steel mesh and PCB, to influence paste solder printing effect；Third is that bar code and silk-screen are uneven
Together, if the closer part of bar code, also will affect accessory appearance detection effect；Fourth is that bar code can manually be torn, replace
Bar code leads to tracing information forfeiture or production information cheating.
Summary of the invention
To solve the above problems, it is able to ascend operating efficiency the present invention provides the bar code production method on a kind of PCB,
Use manpower and material resources sparingly cost, avoids influencing paste solder printing effect and accessory appearance detection effect, and avoid practising fraud.
Bar code production method on a kind of PCB provided by the invention, comprising:
White paint is covered on the solder mask of PCB；
The white paint is etched using laser automatic etching barcode machine, obtains default bar code.
Preferably, described to utilize laser automatic etching barcode machine to described white in the bar code production method on above-mentioned PCB
Paint, which is etched, includes:
The PCB is put into the laser automatic etching barcode machine；
Positioning and direction discernment are carried out to the white paint on the PCB；
The mark point on the PCB is grabbed, locking bar code system makees region；
It extracts the default bar code of user's input and is etched on the white paint；
The PCB is taken out.
Preferably, in the bar code production method on above-mentioned PCB, after the direction discernment, if the side identified
To there is mistake, the alarm that the direction of the PCB is changed in prompt is issued.
Preferably, in the bar code production method on above-mentioned PCB, the mark point on the PCB, locking bar code system are being grabbed
After making region, further includes:
The position of the PCB is finely adjusted to carry out coordinate compensation, the PCB is adjusted to suitable position.
Preferably, in the bar code production method on above-mentioned PCB, it is described extract user input default bar code and in institute
It states after being etched on white paint, comprising:
The grade of the default bar code etched is determined.
Preferably, in the bar code production method on above-mentioned PCB, described pair of default bar code etched etc. it is grading
After row determines, further includes:
It reads the default bar code and is inputted production information system.
As can be seen from the above description, the bar code production method on above-mentioned PCB provided by the invention, due to including PCB's
White paint is covered on solder mask；The white paint is etched using laser automatic etching barcode machine, obtains default bar code, this is just saved
The trouble of artificial joint strip code is gone, and the bar code itself that this method is produced occupies certain thickness unlike the bar code manually pasted
Degree, and can not replace, therefore be able to ascend operating efficiency, use manpower and material resources sparingly cost, avoids influencing paste solder printing effect and zero
Part appearance detection effect, and avoid practising fraud.
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 is the schematic diagram of the embodiment of the bar code production method on the first PCB provided by the present application.
Specific embodiment
Core of the invention thought is to provide the bar code production method on a kind of PCB, is able to ascend operating efficiency, saves
Manpower and material resources cost avoids influencing paste solder printing effect and accessory appearance detection effect, and avoids practising fraud.
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.
As shown in FIG. 1, FIG. 1 is the application to mention for the embodiment of bar code production method on the first PCB provided by the present application
The schematic diagram of the embodiment of the bar code production method on the first PCB supplied, this method comprises the following steps:
S1: white paint is covered on the solder mask of PCB；
It should be noted that the solder mask, that is, Solder mask, refers to the part that green oil is gone up on printed circuit board, it is real
This solder mask uses negative film to export on border, so after on the shape map to plank of solder mask, be not gone up it is green
Oily welding resistance, is to expose copper sheet instead, and one layer can be covered after the position of bar code by determining to need to make on solder mask
White paint, the white paint can be the white paint that PCB is covered on surface during normal production, can specifically be made by the way of silk-screen,
Then can be solidified with oven, this white paint can be positioned for subsequent etching process, for the etching of automation
Bar code technique provides convenience.
S2: being etched the white paint using laser automatic etching barcode machine, obtains default bar code.
It can be seen that this step avoids the trouble of existing artificial stickup bar code, it can be automatically in PCB using laser-induced thermal etching principle
Silk-screen frame in solder mask carry out bar code etching, the pattern i.e. pre-set bar code that this etch process is formed, such as
This one, bar code has been etched to above the solder mask of PCB, and bar code and PCB physically realize thorough binding, it is subsequent both without
Method is replaced, and can not be modified or be erased, to thoroughly play foolproof function, guarantees that operator will not practise fraud, and
And this method also improves operating efficiency by automation equipment, saves cost of human and material resources.
As can be seen from the above description, the embodiment of the bar code production method on the first PCB provided by the present application, due to packet
It includes and covers white paint on the solder mask of PCB；The white paint is etched using laser automatic etching barcode machine, obtains default item
Code, this just eliminates the trouble of artificial joint strip code, and the bar code itself that this method is produced is unlike the bar code manually pasted
Certain thickness is occupied, and can not be replaced, therefore be able to ascend operating efficiency, use manpower and material resources sparingly cost, avoids influencing tin cream print
Brushing effects and accessory appearance detection effect, and avoid practising fraud.
On the basis of the embodiment of the bar code production method on the first above-mentioned PCB, a preferred implementation is additionally provided
Example, wherein the utilization laser automatic etching barcode machine, which is etched the white paint, includes:
The PCB is put into the laser automatic etching barcode machine, specifically, being exactly that PCB is first put into the equipment
It after sending on trigger, send trigger that PCB is sent into laser automatic etching barcode machine automatically, operates fairly simple；
Positioning and direction discernment are carried out to the white paint on the PCB, specifically, carrying out clamping plate, the folder after having good positioning
Plate is exactly the mode of the fixation PCB of laser-induced thermal etching equipment, and on a smt line, PCB is transferred to laser automatic etching from sending trigger
Inside barcode machine, by internal mechanical structure, the both sides of PCB are clamped, PCB are fixed on inside laser-induced thermal etching equipment, direction
Identification refers to the direction of direction and PCB on SMT wire body streamline of the PCB inside equipment；
The mark point on the PCB is grabbed, locking bar code system makees region, specifically, the mark point is determined using CCD,
On every piece of PCB, can all there be the mark point in the four directions of some leakage copper, these mark points can carry out figure crawl by equipment,
As the reference coordinate point above PCB, the automatic operation of equipment thus may be implemented；
It extracts the default bar code of user's input and is etched on the white paint, specifically, the default bar code is exactly
Set etching program and content inside laser automatic etching barcode machine, are stored in inside the computer of barcode machine connection,
User needs the content etched by computer software interface, input, and then the barcode machine will obtain the default bar code, and foundation is used
The content of family input carries out the automated etching of bar code；
The PCB is taken out, specifically, being exactly that PCB is put into unloader automatically, then reaches the outside of barcode machine,
This completes entire bar code making steps.
It should be noted that above-mentioned each step is all preferred embodiment, other modes can also actually be respectively adopted
It realizes above-mentioned each step, is not intended to limit herein.
The application still further provides another preferred embodiment on the basis of above preferred embodiment, wherein in institute
After stating direction discernment, if mistake occurs in the direction identified, the alarm that the direction of the PCB is changed in prompt is issued.
It, at this time can will specifically, namely direction not clock synchronization, reminds operator to have abnormal conditions using alarm
PCB is exited, and then will be reentered into equipment after its adjustment in direction by operator, and such process is carried out automatically by machine,
Therefore guarantee to be not in the mistake in etching process, the mode of alarm can be by the way of software as in operator institute face
Pair electric energy on there is prompting frame, can also by the way of hardware for example alarm light flash perhaps alarm song etc. or
The combination of two or more alert methods, is not intended to limit herein, as long as it can ensure that notifying operator in time.
It is also further, following preferred embodiment can also be used, the mark point on the PCB, locking bar code system are being grabbed
After making region, further includes:
The position of the PCB is finely adjusted to carry out coordinate compensation, the PCB is adjusted to suitable position.
Specifically, coordinate compensation refers to that the position that PCB stops inside barcode machine is fixed, but have small position
Difference, i.e. mark point on PCB might have certain deviation on barcode machine interior location, at this moment utilize the side of coordinate compensation
Formula realizes the function of adjust automatically, and PCB can be made to be parked in identical position every time, so that the etching for being more conducive to bar code is quasi-
True property, further Improving The Quality of Products.
It also further can be using following preferred embodiment, the default bar code for extracting user's input and described white
It paints after being etched, comprising:
The grade of the default bar code etched is determined.
Specifically, the judgement of bar code grade is a function of equipment self-inspection, the product of the bar code for judging etching completion
Matter and identity, if bar code production quality can preferably be guaranteed by being provided with the step, but if being not provided with
Have no effect on the specific implementation of above-mentioned multiple embodiments.
Further, after the grade of the described pair of default bar code etched determines, further includes:
It reads the default bar code and is inputted production information system.
Specifically, the step is to read out the bar code of etching, the then production information system of typing factory, in this way
Certain foundation can be provided for the subsequent analysis to manufacture craft, this is a preferred embodiment certainly, if do not read
This default bar code simultaneously inputs the realization that production information system also has no effect on above-mentioned each embodiment.
Bar code, cut sections for microscopic examination path surface ink more preferable by practice test effect are made using above-mentioned each embodiment
Most thin is 7.43 microns, does not occur revealing copper phenomenon, wherein etch depth is too deep, when dew copper refers to laser-induced thermal etching so as to cause copper
The green oil of layer surface is completely etched the phenomenon that penetrating, this is that a kind of possible quality is bad, needs strictly to manage etching ginseng
Number, cannot cause the green oil on layers of copper surface to be etched and penetrate.
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. the bar code production method on a kind of PCB characterized by comprising
White paint is covered on the solder mask of PCB；
The white paint is etched using laser automatic etching barcode machine, obtains default bar code.
2. the bar code production method on PCB according to claim 1, which is characterized in that described to utilize laser automatic etching
Barcode machine is etched the white paint
The PCB is put into the laser automatic etching barcode machine；
Positioning and direction discernment are carried out to the white paint on the PCB；
The mark point on the PCB is grabbed, locking bar code system makees region；
It extracts the default bar code of user's input and is etched on the white paint；
The PCB is taken out.
3. the bar code production method on PCB according to claim 2, which is characterized in that after the direction discernment, such as
There is mistake in the direction that fruit is identified, issues the alarm that the direction of the PCB is changed in prompt.
4. the bar code production method on PCB according to claim 3, which is characterized in that grabbing the label on the PCB
Point, locking bar code system are made after region, further includes:
The position of the PCB is finely adjusted to carry out coordinate compensation, the PCB is adjusted to suitable position.
5. the bar code production method on PCB according to claim 4, which is characterized in that described to extract what user inputted
After presetting bar code and being etched on the white paint, comprising:
The grade of the default bar code etched is determined.
6. the bar code production method on PCB according to claim 5, which is characterized in that described pair etch it is described pre-
After if the grade of bar code is determined, further includes:
It reads the default bar code and is inputted production information system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981772.6A CN109228707A (en) | 2018-08-27 | 2018-08-27 | A kind of bar code production method on PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981772.6A CN109228707A (en) | 2018-08-27 | 2018-08-27 | A kind of bar code production method on PCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109228707A true CN109228707A (en) | 2019-01-18 |
Family
ID=65068440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810981772.6A Pending CN109228707A (en) | 2018-08-27 | 2018-08-27 | A kind of bar code production method on PCB |
Country Status (1)
| Country | Link |
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| CN (1) | CN109228707A (en) |
Citations (10)
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|---|---|---|---|---|
| CN1070536A (en) * | 1991-09-12 | 1993-03-31 | 松下电器产业株式会社 | The method that contains the printed circuit board (PCB) of sign indicating number and on printed substrate, make sign indicating number |
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| CN101619478A (en) * | 2009-07-29 | 2010-01-06 | 艾默生网络能源有限公司 | Method for oxygenizing aluminium base plate into characters, aluminium base plate manufacturing method and aluminium base plate |
| CN202857137U (en) * | 2012-11-07 | 2013-04-03 | 广东欧珀移动通信有限公司 | Printed circuit board with character identifiers |
| US8534787B2 (en) * | 2007-10-11 | 2013-09-17 | Camtek Ltd. | Method and system for printing on a printed circuit board |
| CN104647906A (en) * | 2015-02-04 | 2015-05-27 | 武汉华工激光工程有限责任公司 | Direct coding method for PCB |
| CN107466163A (en) * | 2017-08-18 | 2017-12-12 | 深圳光韵达激光应用技术有限公司 | A kind of high-reliability new pattern laser etch process |
| CN207425226U (en) * | 2017-09-27 | 2018-05-29 | 国网山东省电力公司电力科学研究院 | A kind of mutual inductor electronic nameplate |
| CN207720517U (en) * | 2018-01-23 | 2018-08-10 | 深圳市艾诺信射频电路有限公司 | A kind of RF tag plate of compound solder mask structure |
-
2018
- 2018-08-27 CN CN201810981772.6A patent/CN109228707A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070536A (en) * | 1991-09-12 | 1993-03-31 | 松下电器产业株式会社 | The method that contains the printed circuit board (PCB) of sign indicating number and on printed substrate, make sign indicating number |
| CN2563644Y (en) * | 2002-08-14 | 2003-07-30 | 和椿科技股份有限公司 | Image supplement and correct system of autoamtic laser bar code imprinter |
| US8534787B2 (en) * | 2007-10-11 | 2013-09-17 | Camtek Ltd. | Method and system for printing on a printed circuit board |
| CN101587554A (en) * | 2008-05-20 | 2009-11-25 | 上海先达企业发展有限公司 | Method for manufacturing and identifying etched bar codes |
| CN101619478A (en) * | 2009-07-29 | 2010-01-06 | 艾默生网络能源有限公司 | Method for oxygenizing aluminium base plate into characters, aluminium base plate manufacturing method and aluminium base plate |
| CN202857137U (en) * | 2012-11-07 | 2013-04-03 | 广东欧珀移动通信有限公司 | Printed circuit board with character identifiers |
| CN104647906A (en) * | 2015-02-04 | 2015-05-27 | 武汉华工激光工程有限责任公司 | Direct coding method for PCB |
| CN107466163A (en) * | 2017-08-18 | 2017-12-12 | 深圳光韵达激光应用技术有限公司 | A kind of high-reliability new pattern laser etch process |
| CN207425226U (en) * | 2017-09-27 | 2018-05-29 | 国网山东省电力公司电力科学研究院 | A kind of mutual inductor electronic nameplate |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |