CN100358075C - A secondary glue applying method in shadow mask production process and dedicated equipment - Google Patents
A secondary glue applying method in shadow mask production process and dedicated equipment Download PDFInfo
- Publication number
- CN100358075C CN100358075C CNB031123449A CN03112344A CN100358075C CN 100358075 C CN100358075 C CN 100358075C CN B031123449 A CNB031123449 A CN B031123449A CN 03112344 A CN03112344 A CN 03112344A CN 100358075 C CN100358075 C CN 100358075C
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- steel band
- glue
- steel strip
- shadow mask
- glue spreader
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Abstract
The present invention discloses a secondary glue coating method in a process for manufacturing the shadow mask and a special device, which belongs to the production technology of a shadow mask with high precision. The method is characterized in that a steel strip is cleaned to remove corrosion liquor on the surface of the steel strip after one-time corrosion and the surface of the steel strip is not dried; excess water on the surface of the steel strip is removed by a pair of rollers; then, the lower surface of the steel strip is orderly coated with gum by at least two smooth gum coating rollers; the turning of the front gum coating roller is the same as the running direction of the steel strip and the turning of the rear gum coating roller is opposite to the running direction of the steel strip. By the adoption of the technology for secondary gum coating, a layer of gum film without air bubbles completely covers the surfaces of small holes and forms on the steel strip so as to avoid defects due to bad secondary gum coating and to obtain a shadow mask with high quality. The gum coating method has the advantages of novelty, practicality, simple device, low manufacture cost, easy operation, easy cleaning, convenient maintenance, obvious technological progress and wide popularization.
Description
Technical field
The present invention relates to second glue spreading method and special equipment in a kind of shadow mask production process, belong to high meticulous shadow mask production technology.
Background technology
The manufacture process of high meticulous shadow mask generally comprises following steps:
(1), clean, remove the greasy dirt and the impurity of steel strip surface;
(2), a gluing, at the coated on both sides photoresists of steel band, form glued membrane;
(3), exposure, with two working versions that have a pattern from the two sides close steel band, expose to glued membrane with uviol lamp;
(4), develop, remove unexposed glued membrane;
(5), solidify high temperature or UV-irradiation curing, formation etchant resist;
(6), once corrode, at the porose zone formation pitting of the two sides of steel band glued membrane;
(7), second glue spreading, apply photoresists at the aperture face, form glued membrane;
(8), solidify high temperature or UV-irradiation curing, formation etchant resist;
(9), anticaustic, continue corrosion from the macropore face, the pitting of macropore face enlarges, deepens and the pitting of aperture face connects;
(10), stripping, to steel band spray alkali lye, remove all erosion resistants, obtain shadow mask.
Once after the corrosion, in the porose zone of glued membrane, the steel band pitting that is corroded out, because the effect of side etch, generally greater than the aperture of glued membrane, it is unsettled to have glued membrane above pitting for the bore of pitting.During second glue spreading, easy residue gas bubble forms the dead angle in the pitting, and glue can not be full of pitting, influences the integrality of etchant resist, in anticaustic process subsequently, causes corrosion default, influences the quality of shadow mask.So second glue spreading is unusual critical step in the high meticulous shadow mask manufacture process.
Early stage second glue spreading method is, once after the corrosion, steel band cleaned, and removes corrosive liquid, drying is removed moisture then, at aperture face spraying non-water-soluble resin, through cured, form resist layer, this kind mode is residual bubble in pitting easily, causes corrosion default.The following dual mode of the general employing of existing second glue spreading method: one, once after the corrosion, corrosive liquid is removed in cleaning, do not carry out drying, to aperture face shower water dissolubility erosion resistant, dry, solidify under moisture state, form first resist layer, then, apply water-soluble or non-water-soluble erosion resistant on this resist layer surface again, form second resist layer.Its two, select a kind of wetting agent, require to have the surface tension that is lower than steel band and glued membrane, apply wetting agent earlier, and then apply the water soluble corrosion resisting material, to reduce the defective that second glue spreading causes.In the said method,, still spray wetting agent earlier no matter be under moisture state, to spray gluing, apply the water soluble corrosion resisting material again, all can make substantially and not stay bubble between erosion resistant and the corrosion of metals face, still, the spray process gluing is very easy to cause the spittle to pollute, and equipment is numerous and jumbled, the cost height.
Also has a kind of gravure roll glue spreading method at present, it is that two glue spreaders are set below steel band, the glue spreader below is provided with glue feeding roller, glue is immersed in the glue feeding roller bottom, glue spreader is a gravure roll, by rotating gravure roll is the steel band gluing, shortcoming is, the making complexity of gravure roll, expense height, gravure roller surface have depression or groove, original glued membrane on the steel band that weares and teares easily, and be not easy to clean, what have also is provided with blade coating machine on gravure roll, whole automatic double surface gluer is complicated more, has increased the difficulty of operation and maintenance.
Summary of the invention
Purpose of the present invention is intended to overcome the weak point of above-mentioned prior art, a kind of simple novelty is provided, makes glue fill up pitting easily, avoids bubble residual, reduces the second glue spreading method and the special equipment of corrosion default.
The objective of the invention is to be achieved through the following technical solutions:
Second glue spreading method in a kind of shadow mask production process comprises the following steps: in regular turn
(1), once after corroding, with the steel band washing, remove corrosive liquid, steel strip surface is not dried, and removes the steel strip surface redundant moisture with a pair of roller, keeps the complete moisture film of one deck;
(2), be followed successively by the lower surface gluing of steel band, along the traffic direction of steel band, it is identical with the steel band traffic direction that glue spreader formerly turns to at least two smooth glue spreaders, after glue spreader turn on the contrary with the steel band traffic direction, on steel band, be provided with pressure roller.
Used special equipment is in the above-mentioned second glue spreading method, is provided with a pair of moisture compression roller in the both sides up and down of steel band, is provided with smooth glue spreader behind the moisture compression roller below the steel band, is provided with pressure roller above the steel band, is provided with the glue groove below glue spreader.Described glue spreader is provided with two at least, and turns to difference, and last glue spreader turns to opposite with the steel band traffic direction at least.
In order to reduce the viscosity of glue, be easy to gluing, the gluing operation is generally carried out under 30-70 ℃ higher temperature.
Adopt technical scheme of the present invention to carry out second glue spreading, steel band is by behind the moisture compression roller, be water membrane in lower surface and the pitting, can not retain bubble, pass through glue spreader gluing successively then, first forward gluing during gluing, another mistake guarantees that to gluing glue can be full of each corner of pitting, forms to cover the glued membrane aperture face, that do not have bubble fully, avoid the bad defective that causes of second glue spreading, thereby obtain high-quality shadow mask.Compared with prior art, glue spreading method novelty, practicality, equipment is simple, adopts common smooth glue spreader to get final product, and cost of manufacture is cheap, and is easy to operate, cleans, easy to maintenance, has significant technological progress and promotional value widely.
Below in conjunction with the drawings and specific embodiments, the present invention is explained further.
Description of drawings
Fig. 1 is a kind of structural representation of special equipment of the present invention;
Fig. 2 is the another kind of structural representation of special equipment of the present invention.
Embodiment
Embodiment 1
With reference to shown in Figure 1, after once corroding, clean steel band 1, remove the corrosive liquid on surface, do not dry, leave the thick moisture film of one deck on the surface of steel band 1, because steel band and glued membrane are all hydrophilic, water can be full of the pitting under the glued membrane at an easy rate, then with steel band 1 by a pair of moisture compression roller 2 with water-wetted surface, moisture compression roller 2 is respectively from the both sides up and down of steel band 1 extruding steel band, remove the steel strip surface redundant moisture, retain the complete moisture film of one deck in steel strip surface, guarantee to be full of water in the pitting, can residual bubble;
Then, behind moisture compression roller 2, set gradually three smooth glue spreaders 3, the top of glue spreader 3 contacts with the lower surface of steel band 1, be provided with glue groove 5 below the glue spreader 3, by rotating glue spreader 3 glue groove 5 interior glues are coated on the lower surface (aperture face) of steel band 1, above steel band 1, the position corresponding with each glue spreader 3 is provided with pressure roller 4, steel band 1 is closely contacted, to guarantee the gluing effect with glue spreader 3; Three glue spreaders 3 turn to difference, along the traffic direction of steel band 1, turning to of two glue spreaders 3 formerly is identical with the steel band traffic direction, turning to of last glue spreader 3 is opposite with the steel band traffic direction; All be water-soluble milk casein glue in the glue groove 5, temperature is 60 ℃, and the gelatin viscosity in three glue grooves 5 is identical, can be controlled in the scope of 15-35cP; The border line speed-controllable of three glue spreaders is built in 1-9m/s;
Behind the steel band process glue spreader gluing, use infrared dehydration, obtain glued membrane,, make glued membrane can resist the erosion of corrosive liquid, enter the anticaustic operation then again with high temperature or ultraviolet curing.
When operation, adjust the viscosity of glue and the rotating speed of last glue spreader, just can control the thickness of glued membrane well.
Embodiment 2
With reference to shown in Figure 2, the operation of coating process and embodiment 1 is basic identical, and difference is that pressure roller 4 is crisscross arranged with glue spreader 3, and steel band 1 is contacted with glue spreader 3 closely, guarantees the gluing effect; In addition, gelatin viscosity difference in three glue grooves 5, along the steel band traffic direction, viscosity raises gradually, three glue groove 5 interior gelatin viscosities can be controlled at 5-25cP, 10-30cP, 15-35cP successively, its advantage is that with this kind method gluing, the moisture film on steel band 1 lower surface becomes the lower glued membrane of one deck viscosity earlier, become the normal glued membrane of one deck viscosity again, viscosity can be avoided residual bubble in the pitting from low to high better, forms the complete glued membrane that covers the aperture face fully.
Second glue spreading method of the present invention generally should be carried out under 30-70 ℃ higher temperature, so that reduce the viscosity of glue, is easy to gluing.The quantity of glue spreader is looked different situations can be increased, also can reduce, but can not be less than two at least, and glue spreader formerly turn to identical with the steel band traffic direction, after glue spreader turn to opposite with the steel band traffic direction.
Glue spreading method of the present invention both can be aperture face gluing, also can be macropore face gluing, and equipment does not need to change.
Claims (5)
1, the second glue spreading method in a kind of shadow mask production process comprises the following steps: in regular turn
(1) once after the corrosion, with steel band washing, remove corrosive liquid, steel strip surface is not dried, and removes the steel strip surface redundant moisture with a pair of roller, the complete moisture film of reservation one deck;
(2) be followed successively by the lower surface gluing of steel band with at least two smooth glue spreaders, along the traffic direction of steel band, it is identical with the steel band traffic direction that glue spreader formerly turns to, after glue spreader turn on the contrary with the steel band traffic direction, on steel band, be provided with pressure roller.
2, according to the second glue spreading method in the described a kind of shadow mask production process of claim 1, it is characterized in that the gelatin viscosity on the described glue spreader formerly is low, after glue spreader on the gelatin viscosity height.
3, according to the second glue spreading method in claim 1 or the 2 described a kind of shadow mask production processes, it is characterized in that described gluing operates under 30-70 ℃ and carries out.
4, the special equipment that is used for the second glue spreading method of the described a kind of shadow mask production process of claim 1, it is characterized in that, be provided with a pair of moisture compression roller (2) in the both sides up and down of steel band (1), below moisture compression roller (2) back steel band (1), be provided with smooth glue spreader (3), be provided with pressure roller (4) above the steel band (1), below glue spreader (3), be provided with glue groove (5).
According to the described special equipment of claim 4, it is characterized in that 5, described smooth glue spreader (3) is provided with two at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031123449A CN100358075C (en) | 2003-04-25 | 2003-04-25 | A secondary glue applying method in shadow mask production process and dedicated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031123449A CN100358075C (en) | 2003-04-25 | 2003-04-25 | A secondary glue applying method in shadow mask production process and dedicated equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1595587A CN1595587A (en) | 2005-03-16 |
| CN100358075C true CN100358075C (en) | 2007-12-26 |
Family
ID=34658704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031123449A Expired - Fee Related CN100358075C (en) | 2003-04-25 | 2003-04-25 | A secondary glue applying method in shadow mask production process and dedicated equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100358075C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636698B (en) * | 2018-06-04 | 2024-04-30 | 中山市优绿智得数码科技有限公司 | Coating mechanism for reverse coating |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09213220A (en) * | 1996-02-05 | 1997-08-15 | Toppan Printing Co Ltd | Manufacture of shadow mask |
| CN1175074A (en) * | 1996-07-02 | 1998-03-04 | 东芝株式会社 | Shadow making method, shadow making device and cleaning device |
| JP2002298733A (en) * | 2001-03-30 | 2002-10-11 | Toshiba Corp | Method and device for manufacture of shadow mask |
-
2003
- 2003-04-25 CN CNB031123449A patent/CN100358075C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09213220A (en) * | 1996-02-05 | 1997-08-15 | Toppan Printing Co Ltd | Manufacture of shadow mask |
| CN1175074A (en) * | 1996-07-02 | 1998-03-04 | 东芝株式会社 | Shadow making method, shadow making device and cleaning device |
| JP2002298733A (en) * | 2001-03-30 | 2002-10-11 | Toshiba Corp | Method and device for manufacture of shadow mask |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1595587A (en) | 2005-03-16 |
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Granted publication date: 20071226 Termination date: 20120425 |