CN103722921B - A kind of two screening anti-counterfeiting printing method - Google Patents
A kind of two screening anti-counterfeiting printing method Download PDFInfo
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- CN103722921B CN103722921B CN201310702886.XA CN201310702886A CN103722921B CN 103722921 B CN103722921 B CN 103722921B CN 201310702886 A CN201310702886 A CN 201310702886A CN 103722921 B CN103722921 B CN 103722921B
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Abstract
The invention provides a kind of method of two screening antiforge.The present invention specifically comprises the steps: the foundation of step 1. two screening antiforge pattern-information database; The printing test of step 2. two screening antiforge pattern; Step 3. obtains the print production data with two screening security pattern information; Step 4. sets up the Process Control System that digitized CTP forme exports, realize version room temperature, humidity, solution level, liquid compensation rate, rinse temperature, washing time, liquid electrical conductivity and pH value Digital Control, guarantee the accurate output of false proof data on forme and the repeatability repeatedly exported.The present invention obtains not reproducible special security pattern by the data fusion computing of screened data, adopts the pattern that software and hardware combines and accurate flow process controls, achieves extremely low false proof cost and splendid antiforge effect.
Description
Technical field
The present invention relates to a kind of anti-counterfeiting printing method, be specially a kind of two screening anti-counterfeiting printing method.
Background technology
At modern packaging process of producing product, particularly in expensive goods printing process, anti-counterfeiting technology application is the important technical ensureing that product is not encroached right and palmed off, also be the core competitiveness key element that each printing enterprise captures printing market, study the focus that exclusive antifalse technology is becoming the research and development of high-end print enterprise product and capturing technological highland.
At present, the anti-counterfeiting technology conventional in printing industry field has laser hologram, anti-forgery ink, anti-forge paper, watermark, magnetic card, two-dimensional bar code etc., and these anti-counterfeiting technologies are common also exists the high or not ideal enough problem be easily replicated of antifalse effect of false proof cost.Therefore, research and develop a kind of false proof cost low and anti-forge method of being not easily replicated the development of printing enterprise's enterprise market core competitiveness and whole printing packaging industry is had great importance.
Summary of the invention
The object of the invention is, for the deficiencies in the prior art, to propose a kind of two screening anti-counterfeiting printing method.
The pattern that the present invention adopts software and hardware to combine, adopt the 1-bitTIFF under multiple screening condition to carry out fusion computing and obtain a kind of novel site effect, then again merge with normal print production data and obtain complete print production data, guarantee the accurate reproduction of site by setting up the CTP lithography process hierarchy of control, print product can achieve splendid antifalse effect.
The technical solution adopted for the present invention to solve the technical problems comprises the steps:
The foundation of step 1. two screening antiforge pattern-information database
1-1. determines to print according to printing enterprise's printing sheets characteristic, ink characteristics, printing machine working condition and product performance and adds network parameters when front CTP makes a plate, and adds network parameters and comprises site type, screen frequency, angle of halftone screen line;
1-2. designs two screening antiforge special test mark version
Design has the special color lump of various CMYK dot percentage, forms two screening antiforge special test mark version;
Described CMYK dot percentage comprises from 5%, 10%, 15% ... 20 grades of sites of 100%;
1-3. utilizes the front general screening software RIP of print to adopt the different network parameters that adds to carry out screening to two screening antiforge special test mark version, obtains the 1-bitTIFF file of the CMYK under different screening condition;
The 1-bitTIFF file that screening obtains by 1-4. imports to general image process software AdobePhotoshopCS3 and carries out fusion calculation process, obtains the security pattern with special texture under nonidentity operation condition;
1-5. selects the security pattern of good results, with its RIP condition and Photoshop method for amalgamation processing for feature sets up antiforge pattern-information database;
The security pattern of described good results refer to security pattern visually with all satisfactory security pattern on antifalse effect.
The printing test of step 2. two screening antiforge pattern
According to the requirement of batch production print product antiforge, from antiforge pattern-information database, the security pattern matched with it is selected to carry out printing test, using the security pattern of security pattern best for test effect as batch production print product.
Step 3. obtains the print production data with two screening security pattern information
Print production pdf document except security pattern is carried out the output of RIP screening in the normal fashion, obtain 1-bitTIFF file, then the security pattern data file that it and step 2 obtain is merged, obtain the complete 1-bitTIFF print production data file for CTP plate-making.
Step 4. sets up the Process Control System that digitized CTP forme exports, realize the Digital Control of version room temperature, humidity, solution level, liquid compensation rate, flushing temperature, washing time, liquid electrical conductivity and pH value, guarantee the accurate output of false proof data on forme and the repeatability repeatedly exported.
1-bitTIFF file described in step 1-3, be before print in general RIP software by the multiple 1-bitTIFF files arranging different screen angles, screen frequency, dot shape obtain.
The security pattern of the special texture described in step 1-4 is merged by two or more 1-bitTIFF file with specific screen frequency, screen angle and dot shape to obtain.
The print production data for CTP plate-making described in step 3, obtain after false proof for two screening data and normal screened data being merged.
Beneficial effect of the present invention is as follows:
Present invention employs distinguished antiforge technology, before only need changing print, screening technological parameter just can form special and not reproducible pattern, thus reach splendid antifalse effect, false proof cost is lower, and investment risk is almost nil, and in practical application production process, can combine with typography Row control, form the antiforge technology with non-reproduction and low cost, can be widely applied to above various printed matter, particularly the external packing box of product.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
As shown in Figure 1, two screening anti-counterfeiting printing method, specifically comprises the following steps:
The foundation of step 1. two screening antiforge pattern-information database
1-1. determines to print according to printing enterprise's printing sheets characteristic, ink characteristics, printing machine working condition and product performance and adds network parameters when front CTP makes a plate, and adds network parameters and comprises site type, screen frequency, angle of halftone screen line;
1-2. designs two screening antiforge special test mark version
Design has the special color lump of various CMYK dot percentage, forms two screening antiforge special test mark version; Wherein CMYK dot percentage comprises from 5%, 10%, 15% ... 20 grades of sites of 100%;
1-3. utilizes the front general screening software RIP of print to adopt the different network parameters that adds to carry out screening to two screening antiforge special test mark version, obtains the 1-bitTIFF file of the CMYK under different screening condition;
The 1-bitTIFF file that screening obtains by 1-4. imports to general image process software AdobePhotoshopCS3 and carries out fusion calculation process, obtains the security pattern with special texture under nonidentity operation condition;
1-5. selects the security pattern of good results, with its RIP condition and Photoshop method for amalgamation processing for feature sets up antiforge pattern-information database.Wherein the security pattern of good results refer to security pattern visually with all satisfactory security pattern on antifalse effect.
The printing test of step 2. two screening antiforge pattern
According to the requirement of batch production print product antiforge, from antiforge pattern-information database, the security pattern matched with it is selected to carry out printing test, using the security pattern of security pattern best for test effect as batch production print product.
Step 3. obtains the print production data with two screening security pattern information
Print production pdf document except security pattern is carried out the output of RIP screening in the normal fashion, obtain 1-bitTIFF file, then the security pattern data file that it and step 2 obtain is merged, obtain the complete 1-bitTIFF print production data file for CTP plate-making.
Step 4. sets up the Process Control System that digitized CTP forme exports, realize the Digital Control of version room temperature, humidity, solution level, liquid compensation rate, flushing temperature, washing time, liquid electrical conductivity and pH value etc., guarantee the accurate output of false proof data on forme and the repeatability repeatedly exported.
Described two screening method for anti-counterfeit, is characterized in that the 1-bitTIFF file described in step 1-3, be before print in general RIP software by the multiple 1-bitTIFF files arranging different screen angles, screen frequency, dot shape obtain.
Described two screening method for anti-counterfeit, is characterized in that the security pattern of the special texture described in step 1-4 is merged by two or more 1-bitTIFF file with specific screen frequency, screen angle and dot shape to obtain.
Described two screening method for anti-counterfeit, is characterized in that the print production data for CTP plate-making described in step 3, obtains after false proof for two screening data and normal screened data being merged.
There is to domestic and international antiforge technology a kind of brand-new two screening anti-counterfeiting printing method that antifalse effect difference, the basis that is easily replicated propose in the present invention, implementation have employed the practical Digital product flow of current global printing industry and thermosensitive CTP technology.
The pattern that the present invention adopts software and hardware to combine, the key technology formed and control method are that the data processing of product design in early stage and the spectrum assignment of later stage forme output combine respectively, on the basis to modern digital print system and technical research, start with from the screening method of typography process, by technological means, fusion computing is carried out to Antiforge and generate security pattern.This security pattern both according to user's request Formation rule security pattern, also can form irregular security pattern according to particular demands.This security pattern, owing to have employed special technical matters process, is to be obtained by conventional method or to be copied, can obtains good antifalse effect.Adopt special technical matters control and screening method and parameters combination can also create out multiple different security pattern.
The present invention is in the design of false proof test mark version, selected software is image processing software AdobePhotoshopCS and AdobeIllustatorCS that printing industry is general, designs the sample file meeting various different product feature requirement in advance and select for user or establish timing reference in these softwares.Meanwhile, also prevent same false proof data from being misapplied by different product, improve specificity and the value of two screening security pattern.
Present invention employs before print, in image processing software AdobePhotoshopCS, carry out site computing and fusion, the parameters combination control of calculating process and the visual of operation result, just can predict antifalse effect when achieving design, and then realize the combination of antifalse effect and product appearance.Meanwhile, there has been very large change the multifarious dot shape utilizing calculation function to obtain and the site of conventional graphic arts, can be distinguished easily under suitable observation condition by naked eyes.
The present invention is to the preconditioning technique that carries out of the front site of print, and apply the site anti-counterfeiting performance that this technology obtains fabulous, its security pattern can not be copied by by scanning, the again mode of screening, tests and shows that this invention can realize the antiforge function of 99.95%.
The present invention adopts software control to realize, multiple innovation is carried out in data fusion, output characteristics and the uniqueness of different hardware have been played simultaneously, achieve from the version design of test mark, screening parameter designing, CTP make a plate, CTP rushes version and antifalse effect testing process integrated, reach the effect that false proof cost is low, method is simple, antifalse effect is good, actual effect is strong and print production application popularization is good.
Claims (1)
1. a two screening anti-counterfeiting printing method, is characterized in that comprising the steps:
The foundation of step 1. two screening antiforge pattern-information database
1-1. determines to print according to printing enterprise's printing sheets characteristic, ink characteristics, printing machine working condition and product performance and adds network parameters when front CTP makes a plate, and adds network parameters and comprises site type, screen frequency, angle of halftone screen line;
1-2. designs two screening antiforge special test mark version
Design has the special color lump of various CMYK dot percentage combination, is combined to form two screening antiforge special test mark version;
Described CMYK dot percentage comprises from 5%, 10%, 15% ... 20 grades of sites of 100%;
1-3. utilizes the front general screening software RIP of print to adopt the different network parameters that adds to carry out screening to two screening antiforge special test mark version, obtains the 1-bitTIFF file of the CMYK under different screening condition;
The 1-bitTIFF file that screening obtains by 1-4. imports to general image process software AdobePhotoshopCS3 and carries out fusion calculation process, obtains the security pattern with special texture under nonidentity operation condition;
1-5. selects the security pattern of good results, with its RIP condition and Photoshop method for amalgamation processing for feature sets up antiforge pattern-information database;
The security pattern of described good results refer to security pattern visually with all satisfactory security pattern on antifalse effect;
The printing test of step 2. two screening antiforge pattern
According to the requirement of batch production print product antiforge, from antiforge pattern-information database, the security pattern matched with it is selected to carry out printing test, using the security pattern of security pattern best for test effect as batch production print product;
Step 3. obtains the print production data with two screening security pattern information
Print production pdf document except security pattern is carried out the output of RIP screening in the normal fashion, obtain 1-bitTIFF file, then the security pattern data file that it and step 2 obtain is merged, obtain the complete 1-bitTIFF print production data file for CTP plate-making;
Step 4. sets up the Process Control System that digitized CTP forme exports, realize version room temperature, humidity, solution level, liquid compensation rate, rinse temperature, washing time, liquid electrical conductivity and pH value Digital Control, guarantee the accurate output of false proof data on forme and the repeatability repeatedly exported;
1-bitTIFF file described in step 1-3, be before print in general RIP software by the multiple 1-bitTIFF files arranging different screen angles, screen frequency, dot shape obtain;
The security pattern of the special texture described in step 1-4 is merged by two or more 1-bitTIFF file with specific screen frequency, screen angle and dot shape to obtain;
The print production data for CTP plate-making described in step 3, obtain after false proof for two screening data and normal screened data being merged.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105034545B (en) * | 2015-09-11 | 2017-10-20 | 上海紫恩数码科技有限公司 | A kind of method for platemaking for the multiple screening for improving printing quality |
| CN107128094B (en) * | 2017-06-28 | 2022-11-08 | 浙江华丽达包装有限公司 | Multi-screen line anti-counterfeiting printing machine |
| CN109572063A (en) * | 2018-10-11 | 2019-04-05 | 广东讯龙高新技术有限公司 | A kind of manufacturing method of anti-fake retrospect label |
| CN109270089B (en) * | 2018-10-31 | 2020-11-13 | 杭州智数创联科技有限公司 | Method for rapidly acquiring printing dot enlargement of coated paper |
| CN112793322A (en) * | 2021-01-15 | 2021-05-14 | 浙江茉织华印刷股份有限公司 | Preparation method of laser-proof film |
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| CN101274556A (en) * | 2007-03-29 | 2008-10-01 | 淄博泰宝防伪制品有限公司 | Environment-friendly laser anti-counterfeiting printing process |
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| JP2004094814A (en) * | 2002-09-03 | 2004-03-25 | Ricoh Co Ltd | Image processing apparatus |
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| JP3570213B2 (en) * | 1998-03-27 | 2004-09-29 | 株式会社日立製作所 | Digital watermark image processing method |
| CN101274556A (en) * | 2007-03-29 | 2008-10-01 | 淄博泰宝防伪制品有限公司 | Environment-friendly laser anti-counterfeiting printing process |
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Effective date of registration: 20190819 Address after: 310041 No. 218 Stadium Road, Xiacheng District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Sheng Yuan YinWu Co., Ltd of daily paper journalism group Address before: Hangzhou City, Zhejiang province 310018 Xiasha Higher Education Park No. 2 street Patentee before: Hangzhou Electronic Science and Technology Univ |