CN102736406B - A kind of accurate half tone printing down process - Google Patents
A kind of accurate half tone printing down process Download PDFInfo
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- CN102736406B CN102736406B CN201110092055.6A CN201110092055A CN102736406B CN 102736406 B CN102736406 B CN 102736406B CN 201110092055 A CN201110092055 A CN 201110092055A CN 102736406 B CN102736406 B CN 102736406B
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- printing down
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- exposure
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Abstract
The present invention provides a kind of accurate half tone printing down process, film figure is completed by way of re-expose and is transferred on half tone, and specific method step is：A) the making of film, first film are compensated, secondly addition typesetting positioning, to ensure half tone layout position deviation≤100 μm when secondary printing down；B) printing down, typesetting, printing down are carried out according to the layout position that printing needs；First printing down energy setting value is exposure latitude minimum value；Printing down energy value is set as the peak value of optimum exposure again.The method of the invention uses directional light printer printing down so that picture and text become apparent from, and edge sawtooth and side void exposure situation are effectively controlled；Simultaneously because half tone experienced 2 exposures, exposure energy is sufficient, half tone version film press resistance rate lifting.
Description
Technical field
The present invention relates to printing technology, more particularly to a kind of accurate half tone printing down process.
Background technology
Under normal circumstances, silk-screen printing plate-making method has three kinds：(1) paint film engraving method, is one kind of manual plate making method, compared with
Simply；(2) carbon tissue printing down method, is also a kind of better simply manual plate making method；(3) sensitizer stencil making method, used by silk-screen label
Print board required precision is higher, typically all using it is advanced directly, indirectly, it is straight between three kinds of sensitizer stencil making methods.Half tone exposure process exists
It is essential most crucial plate-making process in these methods.
Printing down is exposure, printing down be will be loaded with picture and text film and other have picture and text on the carrier of higher clarity,
By exposing the work in picture and text photocopy to the half tone for scribbling photosensitive thing.Dried after half tone surface applies last layer light-sensitive surface,
The film that will have image is covered in above, and by strong illumination film, the image on film is exposed sense of the photocopy to plate
On light film, the process of this exposure photocopy is commonly called as printing down.The equipment for completing printing down work is referred to as printer.
Printer is divided into by photosensitive material：Half tone printer, PS editions printer, resin plate printer etc..Printer is pressed
Light source power is divided into：1KW printers, 3KW printers, 5KW printers etc..
Printer is divided into by light source category：I.e. bright type (instant igniting type) printer, thermal-insulating type (normal bright type) printer
Deng.Printer is divided into by structure：Upper light source printer, lower light source printer, two-sided printer, double-drawer type printer etc..
In order to improve the quality of photocopy, the shade that light projection is produced is reduced, printer is typically equipped with pumped vacuum systems, makes to stack
Having picture and text film and being exposed plate together is in subnormal ambient together, is close to as far as possible to seamless, makes image exposure shadow
Print is accurate.
The type of printer is a lot, and the light source of use is also different.Choosing of the making of accurate half tone for printing down board
Select most important, in conventional graphic arts mode, the requirement for light source is not very strict, and common box Iodine gallium light light source can meet
It is general to require.
The profile of common box printer is cubical, and upper lid is blanket seal frame and seam perimeter has adhesive tape close
Envelope, and there is the handle can to start.It is connected using tracheae and vavuum pump.Between following casing, front has the lock, rear to have conjunction
Page, both sides have strut to be connected.It is excellent transparency, the plate glass of homogeneous, thickness about 10mm below closure.Box body wall
Face is equipped with ventilating fan.Middle part is lamp box, and it is halogen light source to have Iodine gallium light light source the latter in case.It is reflective light shield around lamp source.
In half tone manufacturing process, traditional printing down process shortcoming is as follows：
1st, printer light source is non-parallel light, and side exposure is easily produced in half tone exposure process, and (i.e. ultraviolet light is inclined and worn
Film medicine film is crossed, causes black medicine film edge inner side exposure to occur and solidifies).
2nd, exposure is only carried out once, single exposure need to take into account the picture and text resolution of accurate half tone and Nai Yin be can not
Get both, because exposure energy setting not may be selected optimum exposure energy peak substantially, photoresists do not occur sufficient light
Cross-linking reaction, the resistance to print property of version film is bad.It is high especially for rigorous, the trickleer original copy of lines, exposure energy selection
Unsuitable excessive, it is difficult to reach optimum exposure peak value, the resistance to print property of version film is extremely bad.
Half tone pin hole is the jinx of accurate plate-making, and it is the most critical link for producing pin hole to expose.Once complete exposure difficult
To reduce the quantity of pin hole generation.
The content of the invention
For existing technological deficiency, the purpose of the present invention aims to solve the problem that half tone plate-making pin hole and the lifting resistance to print of half tone
A kind of rate, there is provided new half tone printing down mode, ensures that half tone has on the premise of printing precision and quality requirement is met
Good resistance to print and pin hole probability of happening.
To achieve the above object, the present invention provides following technical scheme：
A kind of accurate half tone printing down process, film figure is completed by way of re-expose and is transferred on half tone,
Characterized in that, specific method step is as follows：
A) the making of film
Film is compensated：By original copy centre of figure spacing it is constant on the premise of, by 200 μm of figure externally expanding single edge, hereinafter referred to as
Black-film；Original copy is referred to as white tiles；
Black-and-white film is in manufacturing process, and addition typesetting positioning is inclined to ensure half tone layout position when secondary printing down
≤ 100 μm of difference；
2, film is made simultaneously：Each 1 of black-and-white film；
B) printing down
Typesetting, printing down are carried out according to the layout position that printing needs using black-film；First printing down energy setting value is exposure
Tolerance minimum value；
Using white tiles printing down, layout position refers to black-film, and figure printing down is positioned by typesetting；Printing down energy value is set as most preferably
The peak value of light exposure.
As preferred scheme of the invention, in the step B, half tone only remaining black when first time exposure black-film
The photoresists of occlusion area do not solidify, and only need to do the photoresists of unexposed area and confirm when white tiles is shone, you can
Start printing down.
As preferred scheme of the invention, directional light printer printing down is used.
Used as preferred scheme of the invention, the half tone is stainless steel half tone.
The beneficial effect brought of the present invention is：
(1) this technique applicability is extensive, it is adaptable to the making of all size half tone.
(2) in the manufacturing process of fine lines, the exposure of lower limit in tolerance can only be selected in traditional handicraft graphic arts process
Light energy, is otherwise difficult to reach the excellent half tone picture and text of tangent line.
(3) directional light screen exposure machine is used, pattern precision is higher, edge void depth of exposure is small.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that apparent clearly being defined so as to be made to protection scope of the present invention.
A kind of accurate half tone printing down process, film figure is completed by way of re-expose and is transferred on half tone,
Specific method step is as follows：
A) the making of film
Film is compensated：By original copy centre of figure spacing it is constant on the premise of, by 200 μm of figure externally expanding single edge, hereinafter referred to as
Black-film；Original copy is referred to as white tiles；
Black-and-white film is in manufacturing process, and addition typesetting positioning is inclined to ensure half tone layout position when secondary printing down
≤ 100 μm of difference；
2, film is made simultaneously：Each 1 of black-and-white film；
B) printing down
Typesetting, printing down are carried out according to the layout position that printing needs using black-film；First printing down energy setting value is exposure
Tolerance minimum value；
Using white tiles printing down, layout position refers to black-film, and figure printing down is positioned by typesetting；Printing down energy value is set as most preferably
The peak value of light exposure.
In the step B, half tone photoresists of only remaining black occlusion area when first time exposure black-film do not have
Solidification, only needs to do the photoresists of unexposed area and confirms when white tiles is shone, you can start printing down.
Methods described uses directional light printer printing down.Using accurate half tone printing down process printing down of the present invention,
The pin hole of half tone can be controlled effectively.
Half tone manufacture difficulty for fine lines picture and text can be reduced, using traditional handicraft, the exposure of fine picture and text half tone
Amount is generally adopted by the light exposure of lower limit, and half tone blade face falls film substantially, printing will certainly be influenceed for the loss of thickness
The thickness of picture and text.
Directional light screen exposure machine is used in combination, half tone pattern line edge tangent line is neat, and printing precision is high.
The half tone is stainless steel half tone.Stainless steel half tone is formed due to using stainless steel braided steel wire, stainless steel
Steel wire has inhibition for the penetrability of ultraviolet light, in the case of half tone picture and text precision is ensured, even if using optimal exposure
The peak value of light energy, still faces the phenomenon that half tone blade face falls film, such as unilateral increasing light exposure, and half tone lines then occur saw
Tooth.By the way of accurate half tone printing down process accumulated exposure of the present invention half tone blade face can be avoided to fall film completely
Undesirable condition.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those of ordinary skill in the art disclosed herein technical scope in, the change that can expect without creative work or
Replace, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Fixed protection domain is defined.
Claims (3)
1. a kind of accurate half tone printing down process, film figure is completed by way of re-expose and is transferred on half tone, its
It is characterised by, specific method step is as follows：
A) the making of film
Film is compensated：By original copy centre of figure spacing it is constant on the premise of, by 200 μm of figure externally expanding single edge, hereinafter referred to as black-film；
Original copy is referred to as white tiles；
Black-and-white film in manufacturing process, addition typesetting positioning, with ensure half tone when secondary printing down layout position deviation≤
100μm；
2, film is made simultaneously：Each 1 of black-and-white film；
B) printing down
Typesetting, printing down are carried out according to the layout position that printing needs using black-film；First printing down energy setting value is tolerant for exposure
Degree minimum value；
Using white tiles printing down, layout position refers to black-film, and figure printing down is positioned by typesetting；Printing down energy value is set as optimum exposure
The peak value of amount.
2. a kind of accurate half tone printing down process according to claim 1, it is characterised in that use directional light printer
Printing down.
3. a kind of accurate half tone printing down process according to claim 1, it is characterised in that the half tone is stainless steel
Half tone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110092055.6A CN102736406B (en) | 2011-04-13 | 2011-04-13 | A kind of accurate half tone printing down process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110092055.6A CN102736406B (en) | 2011-04-13 | 2011-04-13 | A kind of accurate half tone printing down process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102736406A CN102736406A (en) | 2012-10-17 |
| CN102736406B true CN102736406B (en) | 2017-06-09 |
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| CN201110092055.6A Active CN102736406B (en) | 2011-04-13 | 2011-04-13 | A kind of accurate half tone printing down process |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998911B (en) * | 2012-12-05 | 2015-07-22 | 山东鲁信天一印务有限公司 | Novel manufacturing method of photosensitive CTP (Computer-To-Plate) printing plate |
| CN104240597A (en) * | 2013-06-21 | 2014-12-24 | 镇江江城金属制品有限公司 | Manufacturing method of flat-burning aluminum plate |
| CN103777268B (en) * | 2014-01-22 | 2016-05-04 | 福州大学 | A kind of method that improves LGP half tone press resistance rate and permeability |
| CN104883825B (en) * | 2015-05-15 | 2018-04-06 | 江门崇达电路技术有限公司 | A kind of method for making solder mask in the circuit board |
| CN105328977B (en) * | 2015-12-01 | 2018-05-29 | 深圳市和誉达科技有限公司 | A kind of printing down method of halftone |
| CN109094177A (en) * | 2018-08-14 | 2018-12-28 | 江西鸿格科技有限公司 | A kind of mask-making technology without net knot printing screen plate |
| CN112817211A (en) * | 2021-01-08 | 2021-05-18 | 湖南松井新材料股份有限公司 | Plate making method of screen printing plate and prepared screen printing plate |
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|---|---|---|---|---|
| US4209582A (en) * | 1977-02-22 | 1980-06-24 | Arthur D. Little, Inc. | Method of preparing screen printing stencils using novel compounds and compositions |
| CN1101990A (en) * | 1993-10-20 | 1995-04-26 | 安荣斋 | Method for making relief plate |
| CN1743951A (en) * | 2005-06-03 | 2006-03-08 | 广西真龙彩印包装有限公司 | Screen print lattice-point printing process |
| CN101698368A (en) * | 2009-11-03 | 2010-04-28 | 陕西华经微电子股份有限公司 | Method capable of improving adhesive force of mask film of micropore-connected silk-screen printing plate |
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2011
- 2011-04-13 CN CN201110092055.6A patent/CN102736406B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209582A (en) * | 1977-02-22 | 1980-06-24 | Arthur D. Little, Inc. | Method of preparing screen printing stencils using novel compounds and compositions |
| CN1101990A (en) * | 1993-10-20 | 1995-04-26 | 安荣斋 | Method for making relief plate |
| CN1743951A (en) * | 2005-06-03 | 2006-03-08 | 广西真龙彩印包装有限公司 | Screen print lattice-point printing process |
| CN101698368A (en) * | 2009-11-03 | 2010-04-28 | 陕西华经微电子股份有限公司 | Method capable of improving adhesive force of mask film of micropore-connected silk-screen printing plate |
Non-Patent Citations (1)
| Title |
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| SL40系列双组分平网制版感光胶;潘雄伟等;《《印染》》;20061231(第15期);第38-40页 * |
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| CN102736406A (en) | 2012-10-17 |
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