CN108891123A - The production method and silk-screen halftone of silk-screen halftone - Google Patents
The production method and silk-screen halftone of silk-screen halftone Download PDFInfo
- Publication number
- CN108891123A CN108891123A CN201810789602.8A CN201810789602A CN108891123A CN 108891123 A CN108891123 A CN 108891123A CN 201810789602 A CN201810789602 A CN 201810789602A CN 108891123 A CN108891123 A CN 108891123A
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- Prior art keywords
- halftone
- silk
- screen
- production method
- capillary
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The production method and the silk-screen halftone as made from the production method of the silk-screen halftone that the present invention discloses a kind of silk-screen halftone, wherein the silk-screen manufacturing method of screen includes the following steps:It makes screen frame and draws taut silk screen, obtain halftone, wherein the silk screen is the stainless steel grenadine after roll compacting;Two-sided in the halftone is coated with photoresists, and is dried;Development is exposed to the halftone after drying.Technical solution of the present invention can reduce the RZ value of silk-screen halftone, to effectively eliminate the wire mark protrusion on the glue surface after printing, and then guarantee PI layers of ordered arrangement.
Description
Technical field
The present invention relates to LCD Technology field, in particular to the production method of a kind of silk-screen halftone and by the silk-screen
Silk-screen halftone made from the production method of halftone.
Background technique
Currently, the manufacture craft of most of liquid crystal displays (LCD) includes printing technology, that is, pass through silk-screen screen painting glue
Water so that glue is adhered to PI layers of surface, the production method of existing silk-screen halftone generally include the selection of grenadine, coating,
Dry and development operating procedure, wherein most of grenadine of selection is polyester grenadine, but the string diameter of polyester grenadine is larger,
The interface point of its warp and weft can be higher than the height of single warp and weft, and it is (i.e. same that higher RZ value is had after coated
The drop of plane highs and lows), such that wire mark protrusion occurs in the glue surface after printing, and then influence PI layers
Ordered arrangement, cause the large quantities of products bad and scrap.
Summary of the invention
The production method that the main object of the present invention is to provide a kind of silk-screen halftone, it is intended to the RZ value of silk-screen halftone is reduced,
To effectively eliminate the wire mark protrusion on the glue surface after printing, and then guarantee PI layers of ordered arrangement.
To achieve the above object, the production method of silk-screen halftone proposed by the present invention, includes the following steps:Make screen frame simultaneously
Taut silk screen is drawn, halftone is obtained, wherein the silk screen is the stainless steel grenadine after roll compacting;Two-sided in the halftone is coated with sense
Optical cement, and be dried;Development is exposed to the halftone after drying.
Optionally, the stainless steel grenadine is the stainless steel grenadine of 23 line footpath of 325 mesh, 28 line footpath or 325 mesh.
Optionally, described " two-sided in the halftone is coated with photoresists, the and is dried " step repeats at least twice.
Optionally, after described " two-sided in the halftone is coated with photoresists, the and is dried " step, and it is described
It is further comprising the steps of before " being exposed development to the halftone after drying " step:In the printing of the halftone of coating photoresists
Face paste covers capillary sensitive film, and is dried;After the capillary sensitive film is dry, the capillary sensitive film table is removed
The basement membrane in face;The photoresists are coated in the ink surface of the halftone, and are dried.
Optionally, the capillary sensitive film is obtained by following steps:Polyester base film is provided;In the surface of polyester base film
Coat the glue film of one layer of emulsion containing diazonium.
Optionally, the capillary sensitive film with a thickness of 15 μm -80 μm.
Optionally, described " coat the photoresists in the ink surface of the halftone, the and be dried " step repeats at least
Twice.
Optionally, be set forth in coating photoresists halftone printing surface paste capillary sensitive film after, capillary sense will be pasted
The halftone of light film is put into baking oven, the dry half an hour at a temperature of 40 DEG C -45 DEG C.
The invention also provides a kind of silk-screen halftone, the silk-screen halftone by silk-screen halftone as described above production method
It obtains.
The production method of technical solution of the present invention, silk-screen halftone includes the following steps:It makes screen frame and draws taut silk screen, obtain
To halftone, wherein silk screen is the stainless steel grenadine after roll compacting;Two-sided in halftone is coated with photoresists, and is dried;To dry
Halftone after dry is exposed development.Since the silk screen used in step is the stainless steel grenadine after roll compacting, stainless steel grenadine
String diameter is less than the partial size of existing polyester grenadine, and after roll compacting is handled, the warp and weft intersection of silk screen
Height of projection is effectively reduced, so that the difference in height (i.e. RZ value) of silk-screen halftone surface bulge and recess is reduced,
And then the wire mark protrusion on the glue surface after printing is effectively eliminated, it ensure that PI layers of ordered arrangement.
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
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the process flow diagram of one embodiment of production method of silk-screen halftone of the present invention;
Fig. 2 is the process flow diagram of another embodiment of production method of silk-screen halftone of the present invention;
Fig. 3 is the effect picture (left side) after the development of polyester grenadine and the effect picture (right side) after the development of stainless steel grenadine.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
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 embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not the present invention claims protection scope within.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The production method that the present invention proposes a kind of silk-screen halftone.
Fig. 1 is please referred to, Fig. 1 is the process flow diagram of one embodiment of production method of silk-screen halftone of the present invention.
In one embodiment of production method of silk-screen halftone of the present invention, the production method of the silk-screen halftone includes following step
Suddenly:
S10 makes screen frame and draws taut silk screen, obtains halftone, wherein silk screen is the stainless steel grenadine after roll compacting.
Specifically, the screen frame cleared up is chosen first, and screen frame is generally aluminium alloy or stainless steel material, on the surface of screen frame
It is upper to apply one layer of dehydration, it is to be drained off when not touching with one's hand, screen frame is placed on net puller.Then the grenadine, the present embodiment are chosen
Stainless steel grenadine after roll compacting, is then covered on screen frame, slightly with tight grenadine, so that net by stainless steel grenadine after selection roll compacting
The latitude and longitude of yarn pull into right angle straight line, and surrounding is clamped with collet respectively;In the quadrangle of table top, the collet on every angle both sides is first unclamped,
And with the light pressure network yarn of palm, so that grenadine sinks 3 centimetres or so, then clamping collet;Finally, two chains of both hands rotation collet
Wheel, carries out corresponding seine, which will keep four side tension uniforms, finally can then make to obtain halftone.
It should be noted that the silk screen that this step is selected is stainless steel grenadine after roll compacting, the string diameter of stainless steel grenadine is less than
The string diameter of existing polyester grenadine, moreover, the height of projection of warp and weft intersection is had after roll compacting is handled
Effect ground reduces, to be effectively reduced the difference in height (i.e. RZ value) of halftone surface bulge and recess.
S20, two-sided in the halftone are coated with photoresists, and are dried.
Specifically, which is halftone coating process, which needs to carry out in dust-free workshop, that is, firstly, will wash
Only the halftone dried is placed against the wall at 60-80 angle, photosensitive paste is poured into the smooth sizing device of the edge of a knife, and make photosensitive paste equal
It is even to be layered in sizing device, allow the edge of a knife of sizing device to be close to grenadine, and the plane and grenadine that keep sizing device be at 30-45 angle, from
Under photoresists up are coated with to positive and negative two surface of halftone respectively.Then the halftone after coating is placed in baking oven, 40
Dry half an hour at a temperature of DEG C -45 DEG C obtains the halftone of dry attachment photoresists.
S60 is exposed development to the halftone after drying.
Specifically, the halftone after drying is placed in dust-free workshop, and stood to room temperature, then in the printing surface of halftone
(convex surface) pastes egative film film, is then placed into vacuum exposure machine and is exposed, the thickness of time for exposure feeling photoresists,
Depending on the requirement of the energy of Exposing Lamp and made halftone.After exposing operation, halftone is removed from exposure machine, and remove egative film, first
Two surface of silk screen is moistened with gentle no pressure cold water, then uses giant cleaning down, lower observation is compareed under light, up to having
Clear image is showed, and moisture extra around is then blotted with absorbent cloth, then silk screen is put into 30 DEG C -40 DEG C of baking oven and dried
It is dry.
Accordingly, it is to be understood that, the production method of technical solution of the present invention, silk-screen halftone includes the following steps:Production
Screen frame simultaneously draws taut silk screen, obtains halftone, wherein silk screen is the stainless steel grenadine after roll compacting;In halftone it is two-sided be coated with it is photosensitive
Glue, and be dried;Development is exposed to the halftone after drying.Since the silk screen used in step is the stainless steel after roll compacting
Grenadine, the string diameter of stainless steel grenadine are less than the partial size of existing polyester grenadine, and after roll compacting is handled, the warp of silk screen
It is effectively reduced with the height of projection of weft intersection, to reduce silk-screen halftone surface bulge and recess
Difference in height (i.e. RZ value), and then the wire mark protrusion on the glue surface after printing is effectively eliminated, it ensure that PI layers of ordered arrangement.
Optionally, stainless steel grenadine is the stainless steel grenadine of 325 mesh, 28 line footpath.More existing 300 mesh 34 of stainless steel grenadine
The polyester grenadine string diameter of line footpath is 11 microns small, and the crosspoint of warp and weft is operated by two-sided roll compacting again, in this way, can
It is effectively reduced the difference in height (i.e. RZ value) of silk-screen halftone surface bulge and recess.Of course, in some other embodiment,
The grenadine of other models, such as 23 line footpath of stainless steel grenadine or 400 mesh of 500 mesh, 16 line footpath also can be selected in stainless steel grenadine
23 line footpath of stainless steel grenadine or 325 mesh stainless steel grenadine etc..
Further, the operating procedure of step S20 repeats at least twice.It will be dried, do after coating every time
Halftone after dry is coated again, is repeated operation twice, so that positive and negative two surface of halftone is all uniformly coated with slightly
Smooth photoresists.
Referring to Fig. 2, Fig. 2 is the process flow chart of another embodiment of production method of silk-screen halftone of the present invention.
In the present embodiment, after step " S20, two-sided in the halftone are coated with photoresists, and are dried ", and
It is further comprising the steps of before step " S60 is exposed development to the halftone after drying ":
S30 pastes capillary sensitive film in the printing surface of the halftone of coating photoresists, and it is dried;
S40 removes the basement membrane on capillary sensitive film surface after capillary sensitive film is dry;
S50 coats photoresists in the ink surface of halftone, and is dried.
Specifically, capillary sensitive film is the diaphragm structure of the emulsion of basement membrane and coating membrane surface, by capillary sense
Light film is coated with the surface of emulsion towards the printing surface of halftone, and the capillary sensitive film is covered on printing surface, connects
The halftone for pasting capillary sensitive film is dried.After halftone is dry, the base on capillary sensitive film surface is removed
Film;Photoresists are coated in the ink surface of halftone again, the concrete operations of the coating please refer to the behaviour of step S20 in above-described embodiment
Make, this is no longer going to repeat them.
In the present embodiment, in ink surface coating photoresists purpose be to fill and lead up the pit of ink surface, to be effectively reduced
The difference in height of silk-screen halftone surface bulge and recess (i.e. RZ value).
In the present embodiment, the concrete operations that the halftone for pasting capillary sensitive film is dried are:Capillary sense will be pasted
The halftone of light film is put into baking oven, the dry half an hour at a temperature of 40 DEG C -45 DEG C.
In the present embodiment, capillary sensitive film is obtained by following steps:Polyester base film is provided;In the surface of polyester base film
Coat the glue film of one layer of emulsion containing diazonium.Basement membrane generally selects polyester (PET) basement membrane, and emulsion containing diazonium is by polyethylene
Alcohol (PVOH), polyvinyl acetate (PVA) and diazonium sensitizer composition.Emulsion containing diazonium is coated in the table of PET basement membrane
Face forms one layer of glue film.
Optionally, capillary sensitive film with a thickness of 15 μm -80 μm.The emulsion of membrane surface is coated by control
Thickness controls the thickness of prepared capillary sensitive film, for example, using 15 μm or the capillary sensitive film of 80 μ m-thicks.
Further, step S50 coats the photoresists in the ink surface of halftone, and repetition is dried at least twice.
Repeatedly coated in ink surface, can further full-filling bottom concave point, to more effectively reduce silk-screen halftone surface bulge
With the difference in height (i.e. RZ value) of recess, and then efficiently against because epoxy glue levelability is bad cause printing after glue table
There is the problem of wire mark influences PI layers in face, that is, better ensures that PI layers of ordered arrangement.
The present invention also proposes a kind of silk-screen halftone, which is to make to obtain by foregoing production method.
In addition, referring to figure 3., Fig. 3 is using the effect picture (left side) after the development of the polyester grenadine of sem test and not
Effect picture (right side) after rust steel mesh yarn development.
As seen from Figure 3, the protrusion on polyester grenadine surface and the difference in height (i.e. RZ value) of recess are larger, and by this hair
The silk-screen halftone that bright production method obtains, surface are presented smoothly substantially, and raised and recess the difference in height on halftone surface is (i.e.
RZ value) it is smaller, therefore, the wire mark that the production method of silk-screen halftone of the present invention can effectively eliminate the glue surface after printing is convex
It rises, and then guarantees PI layers of ordered arrangement.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (9)
1. a kind of production method of silk-screen halftone, which is characterized in that include the following steps:
It makes screen frame and draws taut silk screen, obtain halftone, wherein the silk screen is the stainless steel grenadine after roll compacting;
Two-sided in the halftone is coated with photoresists, and is dried;
Development is exposed to the halftone after drying.
2. the production method of silk-screen halftone as described in claim 1, which is characterized in that the stainless steel grenadine is 325 mesh 28
The stainless steel grenadine of 23 line footpath of line footpath or 325 mesh.
3. the production method of silk-screen halftone as described in claim 1, which is characterized in that described " in the two-sided equal of the halftone
Photoresists are coated, and are dried " step repetition is at least twice.
4. the production method of silk-screen halftone as claimed any one in claims 1 to 3, which is characterized in that described " in the net
The two-sided of version is coated with photoresists, and is dried " after step, and " development is exposed to the halftone after the drying " step
It is further comprising the steps of before rapid:
Capillary sensitive film is pasted in the printing surface of the halftone of coating photoresists, and is dried;
After the capillary sensitive film is dry, the basement membrane on capillary sensitive film surface is removed;
The photoresists are coated in the ink surface of the halftone, and are dried.
5. the production method of silk-screen halftone as claimed in claim 4, which is characterized in that the capillary sensitive film passes through following
Step obtains:
Polyester base film is provided;
The glue film of one layer of emulsion containing diazonium is coated in the surface of polyester base film.
6. the production method of silk-screen halftone as claimed in claim 5, which is characterized in that the capillary sensitive film with a thickness of
15μm-80μm。
7. the production method of silk-screen halftone as claimed in claim 4, which is characterized in that described " in the ink surface of the halftone
The photoresists are coated, and are dried " step repetition is at least twice.
8. the production method of silk-screen halftone as claimed in claim 4, which is characterized in that be set forth in the halftone of coating photoresists
After printing surface pastes capillary sensitive film, the halftone for pasting capillary sensitive film is put into baking oven, in 40 DEG C -45 DEG C of temperature
Lower dry half an hour.
9. a kind of silk-screen halftone, which is characterized in that the silk-screen halftone is by the described in any item silk-screen halftones of claim 1 to 8
Production method obtain.
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CN201810789602.8A CN108891123A (en) | 2018-07-16 | 2018-07-16 | The production method and silk-screen halftone of silk-screen halftone |
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Cited By (3)
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CN110032047A (en) * | 2019-04-29 | 2019-07-19 | 安徽地势坤光电科技有限公司 | A kind of two-sided method for platemaking and halftone process equipment |
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CN112428659A (en) * | 2020-11-12 | 2021-03-02 | 上海新倬壮印刷科技有限公司 | Process for screen printing plate coating by using photosensitive adhesive and PI film |
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CN112428659A (en) * | 2020-11-12 | 2021-03-02 | 上海新倬壮印刷科技有限公司 | Process for screen printing plate coating by using photosensitive adhesive and PI film |
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