CN1256211A - Application equipment and technology for laser carved picture and writing - Google Patents
Application equipment and technology for laser carved picture and writing Download PDFInfo
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- CN1256211A CN1256211A CN 98125459 CN98125459A CN1256211A CN 1256211 A CN1256211 A CN 1256211A CN 98125459 CN98125459 CN 98125459 CN 98125459 A CN98125459 A CN 98125459A CN 1256211 A CN1256211 A CN 1256211A
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Abstract
The present invention relates to the application of anti-fake technology in making passport, ID card, financial card and other specific certificates. The present invention adopts integral modular design; the control unit of the laser, the computer and the working bench are designed into one integral; and the laser carving machine has special image software and control module as well as scanner or digital video camera and performs laser carving to polycarbonate film. The specific certificates, including credit card, ID card, passport, etc. made through said carving can not be copied and thus has high anti-fake effect.
Description
The application apparatus of laser engraving page of data photo of the present invention and literal and technology are the application that belongs to anti-counterfeiting technology in the making of special certificates such as passport, personal identity card and fiscard.
At present, in the anti-counterfeiting technology of credit card, identity card and passport and other extraordinary certificate, all adopt hologram false proof, but along with developing rapidly of science and technology, obtain hologram image on the certificate so that be easy to adopt CCD camera technique or scanning technique, its anti-false sign is decrypted, and very easily makes false certificate.In recent years, pseudo-problem according to currency and credit card often occurs; Because technology rapid development such as computer, CAD/CAM technology, CCD technology, image processing techniques, printer, duplicator and scanner, make duplicating of photo, label, sign, bank note and chart become simpler, making the anti-counterfeiting technology of aspects such as various images and texture recognition, fingerprint discriminating at existing Study on Problems in the existing anti-counterfeiting technology, is very necessary to overcome existing problem.
In view of existing problem in the above-mentioned prior art, the objective of the invention is to adopt laser technology, combination film optical technology to carry out false proof, to guarantee that special certificates such as credit card, identity card and passport are not replicated, be about to face's photograph and individual interrelated data information and for good and all, irretrievably be manufactured on the Film Optics coating, forms high false proof and image and various literal that can not be counterfeit.Utilize the laser engraving principle that individual photograph and relevant data are transformed on the film, if want to remove these data, have only the destruction base material, but destroyed base material, each and every one data and literal are originally also destroyed; And the photograph of laser engraving and personal data As time goes on, can keep literal and photograph mass conservation for a long time, not only improved anti-counterfeit capability, also prolonged service time.Can also add many passwords and symbol for laser technology engraving character and photograph, further improve its Application in Anti-counterfeiting scope.
The application apparatus of laser engraving page of data image of the present invention and literal; Its structure is made up of laser engraving machine, control computer, laser instrument, cooling system, acousto-optic Q-switching, vibration mirror scanning device, and each parts adopts the integrated module design, and each control module such as laser instrument is become an integral body with computer with table design; Laser engraving machine is except that employing special image software and control module combines, and outfit scanner or digital camera; The literal and the image of engraving divide line segment and dot matrix, and font adopts software character library font, also can import by scanner hand-written back; The image input can adopt scanner, video camera or image editing software to finish, and red He-Ne laser instrument can be used as collimated light source during it was provided with; By the laser engraving of above-mentioned technology realization to polycarbonate PC film.The production technology of laser engraving page of data image of the present invention and literal; Finish by following step:
A. select File: the operation computer, select suitable file software;
B. examination engraving: (1). on workbench, put one with by the testpieces of carved piece same thickness;
(2). by any key, engraving machine is started working;
(3). the upper and lower of adjusting workbench is to (being the z axle), by observing laser action at workpiece
The hot spot and the sound on surface are determined optimal focus position;
(4). adjust the XY orientation of workbench, make an accurate selection of the image desired location;
(5). adjust technological parameters such as laser power, speed, test out engraving figure by optimization method
The picture optimum efficiency, and write down each technological parameter;
C. formally carve: (1). under the technological parameter condition of sample, writing task pedestal cursor position, laser merit
Technical data such as rate, process velocity and focal position are replaced former examination with formal part
Part begins processing, has polycarbonate PC film on the material of formal part;
(2). operation computer, and the process of watching first formal part attentively, after finishing,
On request after the assay was approved, can repeat.The application apparatus and the technology of laser engraving page of data image of the present invention and literal; In the process of laser engraving PC film, the main laser processing technology that adopts, its technological parameter: be controlled to be automatically 5 meters-25 meters/minute, laser spot of being controlled to be automatically of laser energy ± 0.5 joule ± 1.5 joule, laser scanning speed are controlled to be 15KHZ-50KHZ automatically apart from being controlled to be automatically of the degree of depth ± 100 microns, laser switch frequency.The software systems that laser engraving machine of the present invention adopted realize that by computer control image is imported and editor → reading images information module → Image Information Processing → order is exported each locations of pixels and gray value, also can input of realization state and control module.
The invention provides a kind of laser engraving page of data image and the application apparatus of literal and the relevant field of mainly suitable confidentiality of technology and antifalsification: as various industries such as passport, personal identity card, fiscard, driver's licenses.Employing the present invention makes its photo resolution ratio of passport information page or leaf＞30 point/millimeters, gray scale is 8bit, contrast＞5, the light transmittance of PC thin-walled is 91.3%, mist degree is 83.4%, size changing rate is 0, and other engineering characteristic all meets the specification requirement of passport information page or leaf and visa page of data.So far various countries' passport does not all adopt laser carving method, adopt the present invention thickness be PC below 150 microns thin on human face photo definition height, the resolution height of engraving, influence, the Chinese People's Anti-Japanese Military and Political College's gas that photo and text quality height, wear-resistant, high-low temperature resistant change is aging, after the hot pressing behind strong, the image of viscous force and the text engraving saturating in this paper of passport about 50 microns, even film is torn because of boning, still have the vestige of image and literal on the paper.Adopt the present invention to have standard compliant authenticity and practicality and font variation.With the passport is example, and its data can be stored on the disk for a long time, and by HVN, the data of respectively issuing permit a little in the whole nation can be networked.High security of the present invention and high antifalsification, thus reformed the conventional method of present making passport information page or leaf and visa page of data, be the up-to-date passport anti-counterfeiting technology of current International Civil Aviation, ICPO--Interpol's suggestion, be convenient to machine-readable application.The present invention applies widely not only has social influence both at home and abroad greatly, and remarkable economic efficiency is arranged.
The present invention has 5 accompanying drawings wherein: accompanying drawing 1 is that laser engraving machine unit construction principle figure accompanying drawing 2 is that laser engraving software system structure block diagram accompanying drawing 3 is that image input and software for editing block diagram accompanying drawing 4 are that the position and the gray value module software block diagram accompanying drawing 5 of output pixel is the system control module software block diagram
Specific embodiments of the invention as shown in drawings; Accompanying drawing 1 is laser carving machine equipment structure principle chart, its structure is made up of Laser Power Devices, water cooling system, laser system, beam expanding lens, XY deflection system, isochronous controller, Q-switch driver, D/A interface board, vibrating mirror driver X/Y computer, video camera, scanner, keyboard, and the interconnected relationship of each parts is shown in arrow among the figure.The present invention adopts integrated module design, and each control module of laser instrument and computer and table design is as a whole, has fully guaranteed the stability of the reliability, machinery and the light path that are electrically connected, is applicable to the needs of long time continuous working.Engraving machine can also be accepted other software such as Kingsoft WPS, picture and text SPT software etc. except that having adopted special-purpose image software and characteristics that control module combines.The present invention is equipped with scanner or digital camera with pickup image, thereby can be engraved as the image of fine definition.For the heat with all heater members is transported to outside the equipment; the present invention has adopted the two water-cooling systems of practical and reliable; and by host computer control; and have overheated, under-voltage and the fault alarm automatic protection functions; this has not only reduced the environmental condition requirement, and has guaranteed the system-wide service behaviour of laser equipment.Computer receives the image information from the input of input equipments such as scanner, video camera among the present invention, then each pixel information is input to isochronous controller.Isochronous controller synchronously is input to Q-switch driver and vibrating mirror driver X and Y with the level of each pixel and the gray level of vertical position information and corresponding pixel, finishes the track while scan of laser beam on X-Y plane and the synchronous working of laser output.Vibrating mirror driver X and vibrating mirror driver Y drive X, y deflection system respectively, make laser beam produce motion on directions X and Y direction.The light pulse that the Q-switch driver is exported certain intensity according to the gray value driving laser system of picture element.Beam expanding lens can make that the luminous point of getting behind the collection is littler, energy is concentrated more, help improving the engraving precision under the constant situation of condenser lens focal length.Water-cooling system is responsible for cooling of system, includes A/D interface and D/A interface on the interface board, and computer can read state before the light of water cooling system and power-supply system by the A/D interface, then take appropriate measures automatically if note abnormalities.Among the present invention software systems be the laser engraving software systems as shown in Figure 2, accompanying drawing 3 is image input and software for editing, the general scanner that adopts inputs to computer with photo, because the file format that BMP file WINDOWS is supported, for editing conveniently, thereby will be stored as the BMP file through the image that scanner obtains earlier.It is a kind of flexible, extendible, the information that can support various specialized property and application note that the laser engraving special-purpose software is discerned incompressible TIF types of image file formats, can be used for the good types of image file formats of other machine at environment.Accompanying drawing 4 is position and gray value module software block diagrams of output pixel, and wherein X, Y, grey distinguish X, Y coordinate and the gray value of corresponding each pixel of image, X0, and Y0, grey0 are initial values.Accompanying drawing 5 is system control module software block diagrams.In order to make reliable, the stable work of system, sensors such as temperature, voltage have been installed among the present invention have been monitored the whole system operation state, when software predicts system works when undesired, will take appropriate measures automatically.When setting value, will open the speedup pump, improve water circulating speed, water temperature is descended rapidly as exceeding when the temperature that records cooling water.Under the situation that the speedup pump has been opened,, then cut off the power supply of whole power supply if temperature is still uncontrollable in setting value.When the voltage monitoring parts record operating voltage when unusual, the voltage of also cutting off the electricity supply immediately is to try to avert accidents.
Claims (4)
1, the application apparatus of a kind of laser engraving page of data image and literal; Its feature is being that its structure is made up of laser engraving machine, control computer, laser instrument, cooling system, acousto-optic Q-switching, vibration mirror scanning device, each parts adopts the integrated module design, and each control module such as laser instrument is become an integral body with computer with table design; Laser engraving machine is except that employing special image software and control module combines, and outfit scanner or digital camera; The literal and the image of engraving divide line segment and dot matrix, and font adopts software character library font, also can import by scanner hand-written back; The image input can adopt scanner, video camera or image editing software to finish, and red He-Ne laser instrument can be used as collimated light source during it was provided with; By the laser engraving of above-mentioned technology realization to polycarbonate PC film.
2, the production technology of laser engraving page of data image according to claim 1 and literal; It is characterized in that finishing by following step:
A. select File: the operation computer, select suitable file software;
B. examination engraving: (1). on workbench, put one with by the testpieces of carved piece same thickness;
(2). by any key, engraving machine is started working;
(3). the upper and lower of adjusting workbench is to (being the z axle), by observing laser action at workpiece
The hot spot and the sound on surface are determined optimal focus position;
(4). adjust the XY orientation of workbench, make an accurate selection of the image desired location;
(5). adjust technological parameters such as laser power, speed, test out engraving figure by optimization method
The picture optimum efficiency, and write down each technological parameter;
C. formally carve: (1). under the technological parameter condition of sample, writing task pedestal cursor position, laser merit
Technical data such as rate, process velocity and focal position are replaced former examination with formal part
Part begins processing, has polycarbonate PC film on the material of formal part;
(2). operation computer, and the process of watching first formal part attentively, after finishing,
On request after the assay was approved, can repeat.
3, the application apparatus and the technology of laser engraving page of data image according to claim 1 and 2 and literal; It is characterized in that in the process of laser engraving PC film, the main laser processing technology that adopts, its technological parameter: be controlled to be automatically 5 meters-25 meters/minute, laser spot of being controlled to be automatically of laser energy ± 0.5 joule-± 1.5 joules, laser scanning speed are controlled to be 15KHZ-50KHZ automatically apart from being controlled to be automatically of the degree of depth ± 100 microns, laser switch frequency.
4, according to the application apparatus and the technology of claim 1 or 3 described laser engraving page of data images and literal; It is characterized in that the software systems that laser engraving machine adopts realize that by computer control image is imported and editor → reading images information module → Image Information Processing → order is exported each locations of pixels and gray value, also can input of realization state and control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98125459 CN1256211A (en) | 1998-12-07 | 1998-12-07 | Application equipment and technology for laser carved picture and writing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98125459 CN1256211A (en) | 1998-12-07 | 1998-12-07 | Application equipment and technology for laser carved picture and writing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1256211A true CN1256211A (en) | 2000-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98125459 Pending CN1256211A (en) | 1998-12-07 | 1998-12-07 | Application equipment and technology for laser carved picture and writing |
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| CN (1) | CN1256211A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332820C (en) * | 2003-03-13 | 2007-08-22 | 北京邮票厂 | Paper surface carring technique |
| CN100352673C (en) * | 2004-07-04 | 2007-12-05 | 华中科技大学 | Laser internal engraving apparatus for transparent material |
| CN100366444C (en) * | 2004-07-04 | 2008-02-06 | 华中科技大学 | Laser internal engraving equipment for transparent material |
| CN100453283C (en) * | 2003-07-15 | 2009-01-21 | 御牧高科技股份有限公司 | Register mark reader for cutting plotter and register mark reading method |
| CN1861421B (en) * | 2006-06-12 | 2010-05-12 | 吴旭浩 | Method of laminated carving pattern using laser |
| CN101221616B (en) * | 2007-12-28 | 2010-11-10 | 上海市激光技术研究所 | Dynamic gray level picture card laser engraving production system and method |
| CN103394808A (en) * | 2013-07-18 | 2013-11-20 | 无锡锐玛克科技有限公司 | Multi-station laser engraving machine |
| CN103568672A (en) * | 2013-11-08 | 2014-02-12 | 桂林福冈新材料有限公司 | Automatic carving system |
| CN104002602A (en) * | 2013-02-25 | 2014-08-27 | 比亚迪股份有限公司 | Laser activation device with machining precision correcting function and laser activation method |
| CN106064541A (en) * | 2016-05-27 | 2016-11-02 | 宁波市铭时三维科技发展有限公司 | A kind of crystal body laser inner carving containing Quick Response Code, the method for crystal color printing memorial tablet board |
| CN106407495A (en) * | 2016-05-10 | 2017-02-15 | 浙江鑫达电梯有限公司 | Copper plate pattern generation system of elevator car |
| CN110524109A (en) * | 2019-06-24 | 2019-12-03 | 东莞理工学院 | A kind of scanning galvanometer formula laser welding system |
| CN110899990A (en) * | 2019-12-03 | 2020-03-24 | 深圳供电局有限公司 | Laser engraving method and device, computer equipment and storage medium |
| CN111401673A (en) * | 2019-09-16 | 2020-07-10 | 国营武汉新宇机器厂 | Dot matrix engraving effect evaluation method of laser engraving machine |
-
1998
- 1998-12-07 CN CN 98125459 patent/CN1256211A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332820C (en) * | 2003-03-13 | 2007-08-22 | 北京邮票厂 | Paper surface carring technique |
| CN100453283C (en) * | 2003-07-15 | 2009-01-21 | 御牧高科技股份有限公司 | Register mark reader for cutting plotter and register mark reading method |
| CN100352673C (en) * | 2004-07-04 | 2007-12-05 | 华中科技大学 | Laser internal engraving apparatus for transparent material |
| CN100366444C (en) * | 2004-07-04 | 2008-02-06 | 华中科技大学 | Laser internal engraving equipment for transparent material |
| CN1861421B (en) * | 2006-06-12 | 2010-05-12 | 吴旭浩 | Method of laminated carving pattern using laser |
| CN101221616B (en) * | 2007-12-28 | 2010-11-10 | 上海市激光技术研究所 | Dynamic gray level picture card laser engraving production system and method |
| CN104002602A (en) * | 2013-02-25 | 2014-08-27 | 比亚迪股份有限公司 | Laser activation device with machining precision correcting function and laser activation method |
| CN103394808A (en) * | 2013-07-18 | 2013-11-20 | 无锡锐玛克科技有限公司 | Multi-station laser engraving machine |
| CN103394808B (en) * | 2013-07-18 | 2015-08-19 | 无锡锐玛克科技有限公司 | Multistation laser engraving machine |
| CN103568672A (en) * | 2013-11-08 | 2014-02-12 | 桂林福冈新材料有限公司 | Automatic carving system |
| CN103568672B (en) * | 2013-11-08 | 2016-08-17 | 桂林福冈新材料有限公司 | A kind of automatization engraving system |
| CN106407495A (en) * | 2016-05-10 | 2017-02-15 | 浙江鑫达电梯有限公司 | Copper plate pattern generation system of elevator car |
| CN106064541A (en) * | 2016-05-27 | 2016-11-02 | 宁波市铭时三维科技发展有限公司 | A kind of crystal body laser inner carving containing Quick Response Code, the method for crystal color printing memorial tablet board |
| CN110524109A (en) * | 2019-06-24 | 2019-12-03 | 东莞理工学院 | A kind of scanning galvanometer formula laser welding system |
| CN111401673A (en) * | 2019-09-16 | 2020-07-10 | 国营武汉新宇机器厂 | Dot matrix engraving effect evaluation method of laser engraving machine |
| CN110899990A (en) * | 2019-12-03 | 2020-03-24 | 深圳供电局有限公司 | Laser engraving method and device, computer equipment and storage medium |
| CN110899990B (en) * | 2019-12-03 | 2022-03-01 | 深圳供电局有限公司 | Laser engraving method and device, computer equipment and storage medium |
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