CN1669677A - Cleaning piece and cleaning method using the same - Google Patents
Cleaning piece and cleaning method using the same Download PDFInfo
- Publication number
- CN1669677A CN1669677A CNA200510054531XA CN200510054531A CN1669677A CN 1669677 A CN1669677 A CN 1669677A CN A200510054531X A CNA200510054531X A CN A200510054531XA CN 200510054531 A CN200510054531 A CN 200510054531A CN 1669677 A CN1669677 A CN 1669677A
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- China
- Prior art keywords
- cleaning sheet
- cleaning
- sheet
- screen printing
- printing plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/002—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing cleaning devices for sheets or webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
Abstract
A cleaning sheet composed of a monolayer sheet with property (i) and (ii) stated below, and a cleaning method using the same are provided in the present invention. (i) a drag shearing bonding strength (according to JIS K 6850) in the range of 0.01 to 1.0 N/mm<2> measured with one side of the sheet pressed on the stainless board; (ii) a storage elasticity in the range of 5.00x10<6> to 3.00x10<8> Pa measured at 23 DEG C, 11 Hz. According to the cleaning sheet of this invention, an object can be surly cleaned without being damaged and polluted. Furthermore, because the sheet is of monolayer structure and can be independently wound in a roll form, so the handling there of is easier, and because the in manufacturing process there of can be simplified, it is advantageous in the aspect of production efficiency, cost and environment.
Description
Technical field
The present invention relates to cleaning sheet, particularly be applicable to serigraphy screen printing plate cleaning cleaning sheet and with the cleaning method of the screen printing plate of this cleaning sheet.
Background technology
Occurred LCD (LCD) and plasma display panel (PDP) as display in recent years, its demand is continuing to enlarge.
PDP is with the region of discharge between the 2 relative cube electrode glass substrates of the state inclosure of single or mist with rare gas, nitrogen etc., service voltage, allow in length and breadth the intersection point generation gas discharge of filament electrolysis of configuration, by the ultraviolet ray that therefore produces, the fluorescent material that red (R), green (G) that is coated on each element, blue (B) look are used excites, launches the self-luminous display of visible light.
Above-mentioned fluorescent material layer is stuck with paste and is formed with silk screen print method printing fluorescent ink normally between the next door and next door of the substrate that is provided with next door (rib).
Yet, when sticking with paste with such silk screen print method printing fluorescent ink, this printing ink is stuck with paste can be at the inside of screen printing plate (contact is printed the face of thing) vertical spread, sticking with paste slag as printing ink adheres to, when subsequent printings, this printing ink is stuck with paste slag can be changeed to be attached to and be printed on the thing, can not guarantee printing precision, perhaps print obscurity boundary, existing problems.
And, use plane earth configured separate uvea on the insulating properties substrate and the color filter that forms in the situation of color LCD.The known uvea that has several different methods can form this color filter, one of them is the print process of printing R, G, the trichromatic printing ink of B on substrate.Its a kind of print process is to use silk screen print method, at this moment also is easy to generate the problem same with above-mentioned PDP.
At the problems referred to above, as removing the method that the printing ink that is attached to screen printing plate the inside is stuck with paste slag, former knownly have scraping of machinery to follow the example of, use solvent with hard waste or paper wipe method, paste method that bonding sheet peels off then etc.
Wherein use two kinds of methods of method and front of bonding sheet to compare, not think and to produce excessive mechanical damage to screen printing plate, can not take place from the rubbish of hard waste or paper and dust and the printing that produces is bad, the bonding sheet that is used for this method, existing multiple bonding sheet propose (refer to Patent Document 1, patent documentation 2).
Yet, adopt the method for such bonding sheet to carry out the occasion of the cleaning operation of screen printing plate the inside repeatedly, the part of adhesive can be peeled off from base material and be attached to screen printing plate, perhaps because the cohesive of adhesive phase can make screen printing plate elongation, distortion, become the bad reason of printing, the generation problem.
And, the laminar structure that above-mentioned bonding sheet has base material and forms at the adhesive phase that at least simultaneously forms of base material, need at least 2 manufacturing processes of the manufacturing of base material and the manufacturing of adhesive phase (the bonding manufacturing procedure of base material) during manufacturing, therefore cost increases, the tendency of using relatively large organic solvent is arranged, from production efficiency, reduce cost and the viewpoint of environmental problem also undesirable, existing problems.
When above-mentioned in addition bonding sheet is rolled into tubular; be the protection adhesive phase; release liner must be set on adhesive phase; this part worker ordinal number and fee of material have been increased; the production efficiency variation is changed and is taken cost, can divide a word with a hyphen at the end of a line to adhesive phase from the remover of release liner in addition; make the binder performance deterioration, improper.
No. 3280367 communique of [patent documentation 1] Japan special permission
No. 3281323 communique of [patent documentation 2] Japan special permission
Summary of the invention
The present inventor considers that the result of above-mentioned situation and further investigation is: find to adopt the cleaning sheet of the single layer structure with specific physics value to address the above problem, thereby finished the present invention.
Promptly the purpose of this invention is to provide all favourable cleaning sheet of cleaning and production efficiency, cost aspect and environment aspect that cleaning performance is good, be specially adapted to screen printing plate with single layer structure, and the cleaning method that uses the plates for screen printing of this cleaning sheet.
Cleaning sheet of the present invention is the cleaning sheet that is made of single-layer sheet, it is characterized in that, has following rerum natura (i) and (ii):
(i) the tensile shear bonding strength of measuring after simultaneously pressure is attached on the corrosion resistant plate (according to JIS K6850) is at 0.01～1.0N/mm
2Scope.
(ii) 23 ℃, the energy storage elastic modelling quantity measured during 11Hz are 5.00 * 10
6～3.00 * 10
8The scope of Pa.
A type Du's sieve rebound hardness (according to JIS K 6253) of above-mentioned cleaning sheet is 70～96 scope more fortunately.
In addition, above-mentioned cleaning sheet impregnated in the solvent uptake 5g/m more fortunately after 1 second kind of diethylene glycol monobutyl ether acetate
2More than.
Above-mentioned cleaning sheet better contains the polyurethanes resin and forms, and above-mentioned polyurethanes resin better is a TPUE.
In addition, the thickness of above-mentioned cleaning sheet is more suitable to be scope at 30～1000 μ m, and better is to roll separately to be tubular.
Above-mentioned cleaning sheet is applicable to the cleaning of screen printing plate.
Above-mentioned cleaning sheet also can be to the one side at least of the single-layer sheet that obtains by resin combination with respect to the amount of the polyurethanes resin 100 weight portion content of wax 0.01～5 weight portion carrying out asperitiesization and cleaning sheet, the center line average roughness Ra of the face of asperitiesization (according to JIS B 0601) is in the scope of 0.1～1.0 μ m.
Above-mentioned cleaning sheet also can be the one side at least of the single-layer sheet that forms containing the polyurethanes resin shine 1～50Mrad electron ray and cleaning sheet.
In addition, above-mentioned polyurethanes resin better is a TPUE.
Above-mentioned cleaning sheet, its peeling force of 90 ° (according to JIS Z 0237) better is below 2.0N/25mm.
The cleaning method of screen printing plate of the present invention, it is characterized in that, the above-mentioned cleaning sheet that will constitute by single-layer sheet and the inside crimping of screen printing plate, printing ink paste slag commentaries on classics attached to this inside is attached on this cleaning sheet, then this cleaning sheet is stuck with paste slag with printing ink and peel off from the inside of screen printing plate.
Use cleaning sheet of the present invention, can not make the object damage of cleaning, also do not make its pollution, and conscientiously object is cleaned.For example, be the occasion of screen printing plate at the object that cleans, can prevent the bad generation of printing that causes adhering to of screen printing plate damage, rubbish, dust and sheet material, and can remove the printing ink that spreads over the screen printing plate the inside conscientiously and stick with paste slag.It is cleaning sheet of the present invention, owing to be single layer structure, different with the so-called bonding sheet that adhesive phase is set on the base material, even carry out the washing and cleaning operation of screen printing plate the inside repeatedly, do not take place that the screen printing plate the inside is peeled off, is attached to adhesive and the printing that causes is bad yet, and owing to be single layer structure, may roll separately and become tubular, thereby handle easily, manufacturing process can simplify, and all is being favourable aspect production efficiency, cost and the environment.
By adjusting the composition of the single-layer sheet that constitutes above-mentioned cleaning sheet, perhaps the one side at least of this cleaning sheet is carried out asperities processing and/or electron ray treatment with irradiation, bonding in the time of can preventing effectively that this cleaning sheet is rolled into tubular separately between each layer, more successfully extract cleaning sheet out, further improve easy degree and operability that tubular is handled from roller.
Utilize the cleaning method of plates for screen printing of the present invention, can prevent the bad generation of printing such as damage, rubbish or dust and sheet material etc. of screen printing plate, can remove conscientiously at screen printing plate and then the printing ink that spreads and stick with paste slag causing adhering to of screen printing plate.
Description of drawings
Fig. 1 is a schematic diagram of measuring 90 ° of peeling forces.
Label declaration
1. substrate
3. fixation side test film
5. movable side test film
7. with surface and the overlapping test film group in the inside
The specific embodiment
Below the present invention is specified.
＜cleaning sheet 〉
Cleaning sheet of the present invention, it is the cleaning sheet that is made of single-layer sheet, it is characterized in that, has following rerum natura (i) and (ii).
The tensile shear bonding strength (according to JIS K 6850) of mensuration was at 0.01～1.0N/mm after promptly (i) of this cleaning sheet was attached to one side on the corrosion resistant plate
2Scope, and (ii) 23 ℃, the energy storage springform measured during 11Hz are 5.00 * 10
6～3.00 * 10
8The scope of Pa.
In a word, cleaning sheet of the present invention is the sheet with single layer structure of specific physics value, its structure with have the laminar structure that constitutes by base material and the adhesive phase that forms of one side at least at this base material before the known bonding sheet that is used for the screen printing plate cleaning obviously different.
More specifically say, cleaning sheet of the present invention, the tensile shear bonding strength of measuring after being attached to the one side of this cleaning sheet on the corrosion resistant plate (according to JIS K 6850) is at 0.01～1.0N/mm
2, 0.03～0.5N/mm more fortunately
2, better at 0.06～0.3N/mm
2Scope.The tensile shear bonding strength is meant the value of measuring by JIS K 6850 in this specification, at the determination object thing is that the occasion of single layer structure is meant, eliminate the influence of determination object thing self elongation, and be attached on the opposite face of the face of corrosion resistant plate at the determination object thing, paste bonding film (one side at PETG (PET) film of thickness 25 μ m is provided with adhesive phase), as measuring sample, press the value that JIS K 6850 measures.
The tensile shear bonding strength of cleaning sheet can be brought into play good cleaning characteristics if in above-mentioned scope to the object that cleans, therefore better.For example, be the occasion of screen printing plate at the object that cleans, can bring into play fully subsides property and remove, and screen printing plate can elongation strain attached to the paste of the printing ink inside screen printing plate slag.The subsides property here is different with the so-called quick-binding of adhesive (viscosity), is meant the object that has cleaning, as the confining force of the power of the tracing property of screen printing plate the inside and shear direction.
The value of above-mentioned tensile shear bonding strength, it better is the one side at least of cleaning sheet of the present invention, the one side or the two sides that are cleaning sheet reach, as long as but be actually used in the face of cleaning, for example in the occasion of cleaning web galley, be crimped on the face that is used to clean inside the screen printing plate and reach just passable, as only this simultaneously reaches this physics value, and the tensile shear bonding strength of another side does not reach this physics value, do not have improper in the use yet, from being rolled into the angle of tubular separately, bond etc. mutually from each layer that prevents to roll, would rather adopt back one form.
In addition, above-mentioned cleaning sheet is except having above-mentioned tensile shear bonding strength, and its 23 ℃, the energy storage elastic modelling quantity measured during 11Hz are usually 5.00 * 10
6～3.00 * 10
8Pa, more fortunately 8.00 * 10
6～1.00 * 10
8Pa is better 1.00 * 10
7～8.00 * 10
7The scope of Pa.
23 ℃, the energy storage elastic modelling quantity measured during 11Hz are as in above-mentioned scope, the cohesive force that can appropriateness improves cleaning sheet, after can preventing the inside crimping of the object of this cleaning sheet and cleaning such as screen printing plate, the tensile fracture of cleaning sheet when peeling off, have full intensity, do not have sheet material attachments such as (a part of cleaning sheets) residual on the screen printing plate after peeling off.And in above-mentioned scope, the flexibility of cleaning sheet and shape hold facility can reach good balance as the value of energy storage elastic modelling quantity, and be good to the tracing property of the object that cleans such as screen printing plate, and may be singly with this cleaning sheet processing.
Like this, cleaning sheet of the present invention, the physics value of tensile shear bonding strength and energy storage elastic modelling quantity reaches well balanced, can only handle with single-layer sheet, and have be suitable for cleaning, the thing heterogeneity of the subsides property of the particularly cleaning of screen printing plate.
In addition, A type Du sieve rebound hardness (according to JIS K 6253) of wishing cleaning sheet of the present invention is usually 70～96, more fortunately 75～93, better in 80～90 scope.
A type Du sieve rebound hardness is as in above-mentioned scope, and at the object that cleans, it is residual for example not result from adhering to of the low a part of cleaning sheet (sheet material) of cleaning sheet cohesive force on the screen printing plate, and also good to the tracing property of screen printing plate.
Cleaning sheet of the present invention, containing this point of solvent material from what remove at the printing ink of screen printing plate vertical spread that the printing ink of sticking with paste slag, particularly sticking with paste the pasty state of the volatilization of partial solvent at least of slag or semi-solid from the printing ink of screen printing plate vertical spread sticks with paste slag etc., better is the solvent absorbability with appropriateness.
Usually the solvent of sticking with paste as the printing ink that is used for the serigraphy that PDP or LCD make, known have a multiple solvent.As enumerate an example that is used for the solvent that the PDP fluorescent ink sticks with paste, for example can enumerate two alkylene glycol monoalkyl ethers acetates such as diethylene glycol monomethyl ether acetate, diethylene glycol ether acetate alone, diethylene glycol monobutyl ether acetate, dipropylene glycol monomethyl ether acetate, DPG list ethyl ether acetate ester, DPG monobutyl ether acetate ester; Two alkylene glycol monoalkyl ethers of diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, dipropylene glycol monomethyl ether, DPG list ether, DPG list propyl ether etc. etc.
Therefore cleaning sheet of the present invention better is the solvent absorbability that these solvents is had appropriateness, but for convenient, and this specification uses the relation with wherein diethylene glycol monobutyl ether acetate to define the solvent uptake.
Be that solvent uptake in the present disclosure refers to the solvent uptake in 23 ℃ of cleaning sheets flooded for 1 second in the diethylene glycol monobutyl ether acetate after under air atmosphere, this solvent uptake is 5g/m more fortunately
2More than, be more preferably at 6g/m
2More than.Its higher limit is not particularly limited, usually at 50g/m
2Below.
More than above-mentioned lower limit, stick with paste contained solvent in the solvent-laden material such as slag as the solvent uptake, so printing ink is stuck with paste solvent-laden material such as slag and is changeed easily and be depressed into cleaning sheet because this cleaning sheet can fully absorb printing ink.
Cleaning sheet of the present invention as being that the sheet that can satisfy the single layer structure of above-mentioned physics value gets final product, is not particularly limited its material, for example is preferably the polyurethanes resin, or contains the material that the resinoid resin combination of polyurethane constitutes.
As this polyurethanes resin, can enumerate polyurethane elastomer, wherein better be TPUE.
TPUE (hereinafter to be referred as TPU) is generally got by long-chain polyhydric alcohol, chain extender, di-isocyanate reaction, by the soft segment of the construction unit of deriving by long-chain polyhydric alcohol, by chain extender and di-isocyanate reaction and the hard segment of polyurethane structural form.
TPU can be divided into polyesters polyurethane elastomer, polyethers polyurethane elastomer, polycarbonate-based polyurethane elastomer etc. as the kind classification by the long-chain polyhydric alcohol that is used as its soft segment composition.Among the present invention, better use polyethers polyurethane elastomer wherein.
As long-chain polyhydric alcohol, specifically can enumerate PEPAs such as lactone polyester polyalcohol, adipate ester kind polyester polyalcohol; PEPAs such as polytrimethylene (ethylidene) polyalcohol, polytetramethylene ether diol; Polycarbonate polyol etc.The present invention better uses PPG wherein, and its number-average molecular weight is generally 600～5000.
Vulcabond can enumerate 2,4-toluene di-isocyanate(TDI), 2, and 6-toluene di-isocyanate(TDI), 4,4 '-methyl diphenylene diisocyanate (ピ ユ ア MDI), hexamethylene diisocyanate etc.Wherein better be with ピ ユ ア MDI.
Chain extender can enumerate 1,4-butanediol, 1, low molecular polylols such as 6-hexylene glycol, aromatic diamine etc.
By regulating the use level of such long-chain polyhydric alcohol, vulcabond, chain extender, adjust its soft segment amount and hard segment amount, can make TPU with desirable physics value.At this moment, as general tendency, increase as the hard segment amount that constitutes TPU, energy storage elastic modelling quantity and hardness increase, and the tensile shear bonding strength descends, and increase as the soft segment amount, then see the tendency opposite with it.
As long as physics values such as the tensile shear bonding strength of the cleaning sheet that finally obtains, energy storage elastic modelling quantity satisfy above-mentioned certain limit, also can directly use commercially available TPU, and also can make TPU and following other polymer copolymerization and use.
Other polymer can be enumerated the ionomer of (methyl) acrylic resin, ethylene/vinyl acetate EVA, ethene/(methyl) acrylic compounds EVA; Polyamide, polystyrene resin, vistanex, polycarbonate resin, phenoxy resin, Corvic, polyvinyl acetate resins, polyacetal resin, polybutylene terephthalate (PBT) resin, acrylonitrile/butadiene EVA, acrylonitrile/styrene copolymer, styrene/butadiene/styrene block interpolymers, styrene/isoprene/styrene block interpolymers, ABS resin etc.They can be singly with a kind, or makes up more than 2 kinds and use.Above-mentioned other polymer usually can 1～200 weight portion with respect to the TPU100 weight portion the amount copolymerization.
By the resin combination that contains polyurethanes resin and other compositions, also may be met the cleaning sheet of above-mentioned certain physics value.At this moment,, can enumerate the EVA of above-mentioned TPU or TPU and other polymer, but better be TPU as the polyurethanes resin.
Above-mentioned other compositions can be enumerated other polymer, wax, various additives etc.
As other polymer, can enumerate the ionomer of (methyl) acrylic resin, ethylene/vinyl acetate copolymer, ethene/(methyl) acrylic compounds EVA; Polyamide, polystyrene resin, vistanex, polycarbonate resin, phenoxy resin, Corvic, polyvinyl acetate resins, polyacetal resin, polybutylene terephthalate (PBT) resin, acrylonitrile/butadiene EVA, acrylonitrile/styrene copolymer, styrene/butadiene/styrene block interpolymers, styrene/isoprene/styrene block interpolymers, ABS resin etc.They can be singly with a kind, or makes up more than 2 kinds and use.Above-mentioned other polymer are usually with respect to polyurethanes resin 100 weight portions, and amount that can 1～200 weight portion is mixed.
Can enumerate brown acid esters wax, polyethylene vinegar, amide waxe, paraffin, tetrafluoro Tissuemat E etc. as wax.They can be singly with a kind, or makes up more than 2 kinds and use.Wherein be preferably brown acid esters wax.
Above-mentioned wax phase uses 0.01～5 weight portion usually for polyurethanes resin 100 weight portions, is preferably 0.1～4.5 weight portion, more preferably the amount of 0.5～4 weight portion.
Additive can be enumerated fillers such as organic powder or inorganic particle; Plasticizer such as aromatic ester, chloroparaffin; Ultra-violet absorber; Antioxidant; Colouring agent; Antistatic agent etc.They can be singly with a kind, or is used in combination more than 2 kinds.
The resin or the resin combination that obtain are like this passed through manufacturing process such as extrusion molding, compression molding, blowing, calendaring molding, casting method, be configured as the individual layer sheet, can get cleaning sheet of the present invention.This resin or resin combination are dissolved in the solvent of appropriate solvent gained, and on base material, dry back forms film, also can obtain cleaning sheet of the present invention by peeling off base material thereafter by dip-coating or spin application.
In addition, after being configured as sheet or when being shaped, also can carry out the asperities processing to the one or both sides of this sheet.The asperities processing can be enumerated by compressing the asperities roller and carry out embossing processing etc. and add known asperities means such as either large or small concaveconvex shape, blasting treatment, chemical etching at the one or both sides of this sheet.
Special viewpoint from preventing to bond, obtain the occasion of single-layer sheet by the resin combination that contains above-mentioned polyurethanes resin and wax, at least the one side of this single-layer sheet is carried out the asperities processing, usually wish face center line average roughness Ra (according to JIS B 0601) with asperitiesization adjust to 0.1～1.0 μ m, better be 0.2～0.7 μ m, be more preferably the scope of 0.3～0.6 μ m, make final cleaning sheet.
If cleaning sheet contains the polyurethanes resin of above-mentioned specified quantitative and wax and forms, and the Ra that contains above-mentioned scope, tensile shear bonding strength, energy storage elastic modelling quantity, A type Du sieve rebound hardness, solvent uptake etc. also satisfy the afore mentioned rules value, can prevent bonding effectively, when being rolled into tubular separately, can improve the extraction of this sheet, further improve easy degree and the operability of handling with tubular.This asperities processing can be carried out on the two sides of single-layer sheet, but the viewpoint from preventing to bond is carried out one side usually, and is especially for the reverse side of the face that cleans, enough.
As another kind embodiment preferably, the one side at least that can be set forth in the single-layer sheet that contains the polyurethanes resin and form is shone electron ray 1～50Mrad and is obtained cleaning sheet.
The treatment with irradiation of this occasion electron ray can flow down at nitrogen usually at the one or both sides of above-mentioned single-layer sheet, thermionic accelerating potential 130～300kV, under the condition of electron beam current 10～30mA, and the electron ray of irradiation 1～50Mrad and carrying out.
Better be to flow down at nitrogen, at thermionic accelerating potential 150～250kV, under the condition of electron beam current 1 5～25mA, the electron ray of irradiation 3～40Mrad.
In the occasion of shining single-layer sheet with the electron ray that surpasses 20Mrad, can shine the electron ray that surpasses 20Mrad for 1 time, also can divide the electron ray below each for several times irradiation 20Mrad, make total irradiation problem reach ormal weight.
As with condition single-layer sheet is carried out the treatment with irradiation of electron ray, make the surface cross linking of shadow surface, and tensile shear bonding strength, the energy storage elastic modelling quantity, A type Du sieve rebound hardness, the solvent uptake also satisfies the afore mentioned rules value, can prevent bonding effectively, the extraction of this sheet improves when being rolled into tubular separately, can obtain the cleaning sheet that easy degree when handling with tubular and operability further improve, this electron ray treatment with irradiation, can carry out the two sides of single-layer sheet, but viewpoint from anti-stick, usually only to one side, carry out enough especially for the reverse side of the face that cleans.
As required, can be before above-mentioned electron ray treatment with irradiation or afterwards, the one or both sides of this sheet are carried out asperities handle, and also can be to the above-mentioned polyurethanes resin and the wax that contain specified quantitative, and have the cleaning sheet of the Ra of particular range to carry out above-mentioned electron ray treatment with irradiation again.
Use the cleaning sheet that obtains like this, be fit to carry out the cleaning of screen printing plate.Being generally used for the cleaning sheet of the cleaning of screen printing plate, is to reclaim to be used for the cleaning sheet that galley is cleaned, is used for new cleaning for using untapped cleaning sheet, is rolled into the state of tubular with this cleaning sheet, can effectively cleaning sheet be extracted out and use.
Yet as such cleaning sheet, the occasion of known bonding sheet before using when being rolled into tubular, for the bonding of adhesive phase and the base material that overlaps do not take place the protection adhesive phase, must be provided with release liner on adhesive phase.
In contrast, cleaning sheet of the present invention since its shape hold facility height as mentioned above can not establish release liner, and be rolled into tubular separately.
When separately cleaning sheet being rolled into tubular, can successfully extract cleaning sheet out when wishing to use from reel.The easy degree that cleaning sheet is extracted out when being rolled into tubular separately can be estimated by 90 ° of peeling forces (according to JISZ 0237) of measuring cleaning sheet.
90 ° of peeling forces of cleaning sheet can be peeled off method by 90 degree of JIS Z 0237 and measure this cleaning sheet the inside 90 ° of peeling forces on this cleaning sheet surface are tried to achieve.Specifically be as shown in Figure 1, after the surface of 2 cleaning sheets and the inside placed 24 hours with overlap condition, 1 cleaning sheet (fixation side test film 3) is fixed on the substrate 1, other 1 cleaning sheet (movable side test film 5) that is not fixed in substrate 1 is peeled off, promote simultaneously, measure and peel off necessary power (N/25mm) when two angulations are 90 °.
90 ° of peeling forces (according to JIS Z 0237) of cleaning sheet of the present invention are preferably 2.0N/25mm, better scope at 0.01～1.5N/25mm.Below above-mentioned value, for successfully extracting out from the cleaning sheet that is rolled into tubular, easy degree and the operability handled with tubular improve as 90 ° of peeling forces (according to JIS Z 0237) of cleaning sheet.
The thickness of this cleaning sheet from can being rolled into tubular, and has suitable fracture strength ability to be crimped on the object of cleaning such as screen printing plate and the action this respect peeled off is seen, wishes usually in 30～1000 μ m, the scope of 50～600 μ m more fortunately.The width of this cleaning sheet can be suitably selected according to the size of object that cleans such as screen printing plate.
The cleaning method of＜screen printing plate of the present invention 〉
The cleaning method of screen printing plate of the present invention, it is characterized in that, with the inside crimping of above-mentioned cleaning sheet and screen printing plate, the printing ink paste slag commentaries on classics attached to this inside is attached on this cleaning sheet, then this cleaning sheet is stuck with paste slag with printing ink and peel off from the inside of screen printing plate.
Say more more specifically, the cleaning sheet that for example will be rolled into tubular is separately extracted out, simultaneously with the inside crimping of screen printing plate, make and stick with paste slag attached to the printing ink of this inside and change and be attached in the cleaning sheet, by peeling off each sheet cleaning sheet, from this inside except that removal ink paste slag.
According to the manufacturing process and the above-mentioned processing (asperities processing, electron ray treatment with irradiation) of cleaning sheet, the surface of the cleaning sheet of gained and the inside sometimes may tensile shear bonding strength differences.In this case, make above-mentioned tensile shear bonding strength (according to JIS K 6850) at 0.01～1.0N/mm
2The face of scope and the inside crimping of screen printing plate and using.
At this moment, (i) fixing screen printing plate, the reel that will be used for the crimping cleaning sheet is crimped on the galley the inside by cleaning sheet on one side and moves together, extract cleaning sheet out, perhaps conversely, (ii) can fix this reel, by cleaning sheet screen printing plate is moved, make the cleaning sheet crimping on screen printing plate the inside and this reel on one side, extract cleaning sheet on one side out, the reel and the screen printing plate that perhaps (iii) can be used in the crimping cleaning sheet on one side clip the cleaning sheet crimping, move on one side, extract cleaning sheet out.
Cleaning sheet of the present invention and cleaning method, be applicable to and from the object that cleans, remove the attachment that contains solvent (pasty state or semi-solid printing ink stick with paste slag etc. contain the solvent material), especially can the fine cleaning that is applicable to the screen printing plate that manufacturing processes such as precise electronic parts, optics are used.As these precise electronic parts, optics, so long as have in the manufacturing process silkscreen process all can, be not particularly limited, for example applicable to PDP and LCD etc., particularly can finely be applicable to the screen printing plate of PDP.
Followingly the present invention is made more specific description, but the present invention is not limited by these embodiment according to embodiment.
In embodiment and the comparative example, (1) mensuration of tensile shear bonding strength, (2) energy storage Determination of Modulus, (3) mensuration of A type Du sieve rebound hardness, (4) mensuration of solvent uptake, (5) washing test, the mensuration of (6) 90 ° of peeling forces, (7) mensuration of the center line average roughness Ra of the face of asperitiesization is carried out as follows.
(1) mensuration of tensile shear bonding strength
According to JIS K 6850, the determination object thing is cut into 25mm * 100mm get test film, rubber roll with 2kg is crimped on the end face of SUS430BA with it, making the crimping area is 25mm * 12.5mm, draw speed with 50mm/min stretches along shear direction, measure the peak load before finally peeling off, calculate the tensile shear bonding strength by this peak load.
But at the determination object thing is the occasion of single layer structure sheet, the influence of determination object thing elongation when measuring for eliminating, be crimped on the reverse side of the face of SUS430BA at the determination object thing, will be provided with the bonding film (trade name " PET 25 (A) PL シ Application 8LK " of thick adhesive phase of 20 μ m and stripping film in the one side of the PET film of thick 25 μ m; リ Application テ Star Network (limited) corporate system) peels off stripping film and fit, cut into 25mm * 100nm, as test film.
(2) energy storage Determination of Modulus
The energy storage elastic modelling quantity is at 23 ℃, under the condition of 11Hz, with determination of viscoelasticity device (trade name " レ オ バ イ Block ロ Application DDV-II-EA "; オ リ エ Application テ Star Network (limited) corporate system) measures.
(3) mensuration of A type Du sieve rebound hardness
A type Du sieve rebound hardness is pressed JIS K 6253.5.4 and is measured.
(4) mensuration of solvent uptake
The solvent uptake is after measuring the weight of cleaning sheet, is used as the diethylene glycol monobutyl ether acetate of solvent, under the atmosphere aerosol, in 23 ℃ this cleaning sheet flooded for 1 second in this solvent after, with filter paper (trade name " キ system ワ イ プ ワ イ パ-S200 "; Network レ シ ア (limited) corporate system) clamps, remove this solvent that is attached to the surface, measure the weight after flooding, obtain the weight difference of dipping front and back and calculate.
(5) washing test
Stick with paste screen printing plate (the Tokyo プ ロ セ ス サ-PVC ス (limited) corporate system that spreads inwards at printing ink, the stainless steel version), the cleaning sheet of the inside with 2kg rubber roll crimping embodiment and comparative example gained after, peel off, it is residual to have or not printing ink to stick with paste on the Visual Confirmation galley, have or not the cleaning sheet material residual on the printed sheet, use the back cleaning sheet to have or not breakage and folding line.To simultaneously having carried out the cleaning sheet of asperities processing or electron ray treatment with irradiation, the face opposite with these treated faces is used for cleaning.
The mensuration of (6) 90 ° of peeling forces
90 degree by JIS Z0237 are peeled off method, the determination object thing is cut into 2 test films of 25mm * 250mm gained, as shown in Figure 1, the surface and the inside of test film are overlapped, after 24 hours, a slice test film (fixation side test film 3) is fixed in substrate 1 with this state placement, peels off the test film (movable side test film 5) that another sheet is not fixed in substrate 1, promote simultaneously, mensuration is peeled off and is made two test film angulations become 90 ° of required power (N/25mm).
(7) mensuration of the center line average roughness Ra of the face of asperitiesization
Measure according to JIS B0601.
[embodiment 1]
With polyethers polyurethane elastomer (trade name " レ ザ ミ Application P-2283 "; Industry (limited) corporate system of refining big day) as TPU, be heated 200 ℃ of fusions, flow in the pre-heated sheet template of carrying out teflon (R) processing, after the punch process, cool to room temperature gets the cleaning sheet of thickness 200 μ m.
Use the gained cleaning sheet, carry out tensile shear bonding strength, energy storage elastic modelling quantity, A type Du sieve rebound hardness, the mensuration of solvent uptake, washing test, and the mensuration of 90 ° of peeling forces.And carry out this cleaning sheet and mensuration for the center line average roughness Ra of the opposite face of the face of washing test by JIS B 0601.
The results are shown in table 1.
[comparative example 1]
(monomeric charge amount (weight ratio) is a butyl acrylate: methyl methacrylate: the 100 weight portions acrylic copolymer of hydroxy-ethyl acrylate=70: 10: 20) with acrylic adhesives, aromatic isocyanate class curing agent (trade name " オ リ バ イ Application BHS 8515 ", Toyo Ink is made (limited) corporate system) 10 weight portions, the modulating adhesive composition, PET film (trade name " Le ミ ラ-T-60 " with thick 50 μ m, east レ (limited) corporate system) makes base material, on this base material, be coated with, making dry film thickness is 30 μ m, gets the cleaning sheet that base material is provided with the adhesive tape formation of adhesive phase after the drying.
With the cleaning sheet of gained, carry out physics value similarly to Example 1 and measure and washing test.But, do not measure energy storage elastic modelling quantity, A type Du sieve rebound hardness because be the adhesive tape of laminar structure.Nor carry out the mensuration of 90 ° of peeling forces.
The results are shown in table 1.
[embodiment 2]
In polyethers polyurethane elastomer (trade name " レ ザ ミ Application P-2283 "; Industry (limited) corporate system of refining big day) in 100 weight portions, adds montanic acid ester type waxes (trade name " リ コ ワ ッ Network ス E "; Network ラ リ ァ Application ト ジ ヤ パ Application corporate system) 0.5 weight portion is heated 200 ℃ of fusions, uses T shape mould in engineering film (trade name " PET50 AL-5 "; リ Application テ ッ Network (limited) corporate system) melt extrude into the sheet of thickness 80 μ m on, the one side of gained cleaning sheet (reverse side of engineering film) is rolled into tubular with the engineering film contact cooling with the drum cooler of surperficial asperitiesization after.Again cleaning sheet is rolled while peeling off the engineering film then, made the cleaning sheet of tubular.
Use the gained cleaning sheet, carry out tensile shear bonding strength, energy storage elastic modelling quantity, A type Du sieve rebound hardness, the mensuration of solvent uptake, washing test, and the mensuration of the center line average roughness Ra of the face of 90 ° of peeling forces and asperitiesization.
The results are shown in table 1.
[embodiment 3]
Change the addition of brown acid esters wax into 4.0 weight portions, other make the cleaning sheet of tubular all similarly to Example 2.
With the cleaning sheet of gained, carry out tensile shear bonding strength, energy storage elastic modelling quantity, A type Du sieve rebound hardness, the mensuration of solvent uptake, washing test, the mensuration of the center line average roughness Ra of the face of 90 ° of peeling forces and asperitiesization.
The results are shown in table 1.
[embodiment 4]
Except not using brown acid esters wax, other make the cleaning sheet of tubular all similarly to Example 2.
With the cleaning sheet of gained, carry out tensile shear bonding strength, energy storage elastic modelling quantity, A type Du sieve rebound hardness, the mensuration of solvent uptake, washing test, the mensuration of the center line average roughness Ra of the face of 90 ° of peeling forces and asperitiesization.
The results are shown in table 1.
[embodiment 5]
Except using the drum cooler of surface, make the cleaning sheet of drum similarly to Example 2 without asperitiesization.
With the cleaning sheet of gained, carry out tensile shear bonding strength, energy storage elastic modelling quantity, A type Du sieve rebound hardness, the mensuration of solvent uptake, washing test, and the mensuration of 90 ° of peeling forces.And carry out the mensuration of center line average roughness Ra of the face (with the opposite face of face) of this cleaning sheet contact drum cooler according to JISB 0601 for washing test.
The results are shown in table 1.
[comparative example 2]
Except the addition with the montanic acid ester type waxes changes 6.0 weight portions into, make the drum cleaning sheet similarly to Example 2.
With the cleaning sheet of gained, carry out the mensuration of center line average roughness Ra of the face of mensuration, the washing test of tensile shear bonding strength, energy storage elastic modelling quantity, A type Du sieve rebound hardness, solvent uptake, 90 ° of peeling forces and asperitiesization.
The results are shown in table 1.
[embodiment 6]
With polyethers polyurethane elastomer (trade name " レ ザ ミ Application P-2283 "; Industry (limited) corporate system of refining big day) be heated to 200 ℃ of fusions, with T shape mould in engineering film (trade name " PET50 AL-5 "; リ Application テ ッ Network (limited) corporate system) melt extrudes into the sheet of thickness 80 μ m on, after the drum cooler cooling of the one side of the sheet of gained (one side opposite) contact surface without asperitiesization, be rolled into drum with the engineering film with the engineering film.Then, on one side this sheet is extracted out from reel, one side is peeled off the engineering film, one side (face of contact drum cooler) at it is carried out the irradiation (total exposure 5Mrad) of electron ray with electron beam irradiation device, condition be flow down at nitrogen, accelerating potential 200kV, electron beam current 20mA, exposure dose 5Mrad, to irradiated body apart from 20mm, be rolled into tubular again, get the cleaning sheet of tubular.
Cleaning sheet with gained, carry out tensile shear bonding strength, energy storage elastic modelling quantity, A type Du sieve rebound hardness, the mensuration of solvent uptake, washing test, the mensuration of 90 ° of peeling forces, and carry out the mensuration of the center line average roughness Ra of this cleaning sheet electron ray shadow surface according to JIS B 0601.
The results are shown in table 1.
[embodiment 7]
Except electron ray dosage being changed into outside the 40Mrad (irradiation 20Mrad totally 2 times, total radiation dose 40Mrad), make the tubular cleaning sheet similarly to Example 6.
Cleaning sheet with gained, carry out tensile shear bonding strength, energy storage elastic modelling quantity, A type Du sieve rebound hardness, the mensuration of solvent uptake, washing test, the mensuration of 90 ° of peeling forces, and carry out the mensuration of the center line average roughness Ra of this cleaning sheet electron ray shadow surface according to JIS B 0601.
The results are shown in table 1.
[comparative example 3]
Except electron ray dosage changes into outside the 60Mrad (irradiation 30Mrad 2 times, total radiation dose 60Mrad) totally, make the tubular cleaning sheet similarly to Example 6.
Cleaning sheet with gained, carry out tensile shear bonding strength, energy storage elastic modelling quantity, A type Du sieve rebound hardness, the mensuration of solvent uptake, washing test, the mensuration of 90 ° of peeling forces, and carry out the mensuration of the center line average roughness Ra of this cleaning sheet electron ray shadow surface.
The results are shown in table 1.
Table 1
| Tensile shear bonding strength (N/mm 2) | The energy storage elastic modulus E ' (Pa) | A type Du sieve rebound hardness | Solvent uptake (g/m 2) | The cleaning test | 90 ° of peeling forces (N/25mm) | Surface roughness Ra (μ m) | |||
| Galley printing ink is stuck with paste residual | The attachment of galley | The damaged wrinkle of cleaning sheet | |||||||
| Embodiment 1 | 0.130 | ?1.39×10 7 | ????83 | ??8.77 | Do not have | Do not have | Do not have | ????11.0 | ????0.01 |
| Embodiment 2 | 0.060 | ?1.44×10 7 | ????83 | ??8.22 | Do not have | Do not have | Do not have | ????1.0 | ????0.5 |
| Embodiment 3 | 0.030 | ?1.51×10 7 | ????83 | ??7.29 | Do not have | Do not have | Do not have | ????0.4 | ????0.5 |
| Embodiment 4 | 0.130 | ?1.39×10 7 | ????83 | ??8.77 | Do not have | Do not have | Do not have | ????9.8 | ????0.5 |
| Embodiment 5 | 0.060 | ?1.45×10 7 | ????83 | ??8.22 | Do not have | Do not have | Do not have | ????9.5 | ????0.01 |
| Embodiment 6 | 0.070 | ?2.37×10 7 | ????84 | ??6.89 | Do not have | Do not have | Do not have | ????0.9 | ????0.01 |
| Embodiment 7 | 0.030 | ?7.29×10 7 | ????85 | ??6.13 | Do not have | Do not have | Do not have | ????0.2 | ????0.01 |
| Comparative example 1 | 0.310 | ?- | ????- | ??8.33 | Do not have | Have *1 | Do not have | ????- | ????- |
| Comparative example 2 | Can not measure *2 | ?2.29×10 7 | ????84 | ??6.98 | Have | Have *3 | Do not have | ????0.3 | ????0.5 |
| Comparative example 3 | Can not measure *2 | ?3.10×10 8 | ????98 | ??4.33 | Have | Do not have | Have | Can not measure | ????- |
*1: adhesive attachment is in screen printing plate
*2: do not pasting in SUS403BA, can not measure
*3: the crystallization of the wax composition that separate out on the cleaning sheet surface is attached to screen printing plate
*4: cleaning sheet becomes fragile, breaks, and can not measure
By table 1 as seen, have the cleaning sheet of the embodiment 1～7 of specific physics value, its cleaning performance is good.In contrast, the former laminated-type bonding sheet of comparative example 1, some adhesive phase is peeled off in cleaning process, is attached to screen printing plate etc., and cleaning performance is poor.And tensile shear bonding strength and solvent uptake the comparative example 2-3 cleaning performance in particular range is not poor yet.
In addition, the embodiment 2～5 that adds the wax of specified quantitative as can be known and/or carry out the asperities processing, and the embodiment 6～7 that has carried out specified quantitative electron ray treatment with irradiation are with embodiment 1 comparison without such processing, can prevent the bonding that cleaning sheet is mutual, improve the extraction of cleaning sheet from reel.Wherein add the wax of specified quantitative and the embodiment 2～3 of asperities processing simultaneously, and the embodiment 6～7 that carries out the electron ray treatment with irradiation of specified quantitative, the extraction of its cleaning sheet is further improved.
Claims (17)
1. cleaning sheet, it is the cleaning sheet that is made of single-layer sheet, it is characterized in that, has following rerum natura (i) and (ii); (i) one side is attached to the tensile shear bonding strength (according to JIS K 6850) of back mensuration on the stainless steel at 0.01～1.0N/mm
2Scope; (ii) 23 ℃, the energy storage elastic modelling quantity measured during 11Hz are 5.00 * 10
6～3.00 * 10
8The scope of Pa.
2. cleaning sheet according to claim 1 is characterized in that, the scope of A type Du's sieve rebound hardness (according to JIS K 6253) 70～96.
3. cleaning sheet according to claim 1 is characterized in that, impregnated in the solvent uptake of diethylene glycol monobutyl ether acetate after 1 second at 5g/m
2More than.
4. according to each described cleaning sheet in the claim 1～3, it is characterized in that, contain the polyurethanes resin and form.
5. cleaning sheet according to claim 4 is characterized in that, above-mentioned polyurethanes resin is a TPUE.
6. cleaning sheet according to claim 1 is characterized in that thickness is in the scope of 30～1000 μ m.
7. cleaning sheet according to claim 1 is characterized in that, rolls separately to be tubular.
8. cleaning sheet according to claim 1 is characterized in that, is used for the cleaning of plates for screen printing.
9. according to each described cleaning sheet in the claim 1～3, it is characterized in that, above-mentioned cleaning sheet be to the one side at least of the single-layer sheet that makes by resin combination with respect to the amount of the polyurethanes resin 100 weight portion content of wax 0.01～5 weight portion carrying out asperitiesization and cleaning sheet, the center line average roughness Ra of the face of asperitiesization (according to JIS B0601) is in the scope of 0.1～1.0 μ m.
10. cleaning sheet according to claim 9 is characterized in that, above-mentioned polyurethanes resin is a TPUE.
11. cleaning sheet according to claim 9 is characterized in that, 90 ° of peeling forces (according to JIS Z 0237) are below 2.0N/25mm.
12. according to each described cleaning sheet in the claim 1～3, it is characterized in that, above-mentioned cleaning sheet be the one side at least of the single-layer sheet that forms containing the polyurethanes resin shine 1～50Mrad electron ray and cleaning sheet.
13. cleaning sheet according to claim 12 is characterized in that, above-mentioned polyurethanes resin is a TPUE.
14. cleaning sheet according to claim 12 is characterized in that, 90 ° of peeling forces (according to JIS Z0237) are below 2.0N/25mm.
15. the cleaning method of screen printing plate, it is characterized in that, the inside crimping with each described cleaning sheet and screen printing plate in the claim 1～3, printing ink paste slag commentaries on classics attached to this inside is attached on this cleaning sheet, then this cleaning sheet is stuck with paste slag with printing ink and peel off from the inside of screen printing plate.
16. the cleaning method of screen printing plate, it is characterized in that, with the inside crimping of described cleaning sheet of claim 9 and screen printing plate, the printing ink paste slag commentaries on classics attached to this inside is attached on this cleaning sheet, then this cleaning sheet is stuck with paste slag with printing ink and peel off from the inside of screen printing plate.
17. the cleaning method of screen printing plate, it is characterized in that, with the inside crimping of described cleaning sheet of claim 12 and screen printing plate, the printing ink paste slag commentaries on classics attached to this inside is attached on this cleaning sheet, then this cleaning sheet is stuck with paste slag with printing ink and peel off from the inside of screen printing plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004065826 | 2004-03-09 | ||
| JP2004065826A JP2005254498A (en) | 2004-03-09 | 2004-03-09 | Cleaning sheet and cleaning method using this sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1669677A true CN1669677A (en) | 2005-09-21 |
Family
ID=35041237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200510054531XA Pending CN1669677A (en) | 2004-03-09 | 2005-03-09 | Cleaning piece and cleaning method using the same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2005254498A (en) |
| KR (1) | KR100631053B1 (en) |
| CN (1) | CN1669677A (en) |
| TW (1) | TWI273900B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460678A (en) * | 2009-04-14 | 2012-05-16 | 国际检测解决方案公司 | Wafer manufacturing cleaning apparatus, process and method of use |
| CN103170463A (en) * | 2011-12-21 | 2013-06-26 | 浚鑫科技股份有限公司 | Cleaning and handling method of screen printing plate |
| CN108456891A (en) * | 2018-05-11 | 2018-08-28 | 佛山市高明利钢精密铸造有限公司 | A kind of stainless steel mother alloy ingot method for cleaning surface |
| CN108495721A (en) * | 2016-02-01 | 2018-09-04 | 株式会社巴川制纸所 | Cleaner |
| CN108660468A (en) * | 2018-05-11 | 2018-10-16 | 佛山市高明利钢精密铸造有限公司 | A kind of high-carbon steel ingot casting surface clean method |
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| US11211242B2 (en) | 2019-11-14 | 2021-12-28 | International Test Solutions, Llc | System and method for cleaning contact elements and support hardware using functionalized surface microfeatures |
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| US11756811B2 (en) | 2019-07-02 | 2023-09-12 | International Test Solutions, Llc | Pick and place machine cleaning system and method |
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| KR102036258B1 (en) * | 2018-07-30 | 2019-10-24 | (주)프로템 | complex substrate fabricating apparatus havina a imprinting roll and impact head |
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-
2004
- 2004-03-09 JP JP2004065826A patent/JP2005254498A/en not_active Withdrawn
-
2005
- 2005-03-08 KR KR1020050019245A patent/KR100631053B1/en not_active IP Right Cessation
- 2005-03-09 TW TW094107079A patent/TWI273900B/en not_active IP Right Cessation
- 2005-03-09 CN CNA200510054531XA patent/CN1669677A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460678A (en) * | 2009-04-14 | 2012-05-16 | 国际检测解决方案公司 | Wafer manufacturing cleaning apparatus, process and method of use |
| CN102460678B (en) * | 2009-04-14 | 2015-04-29 | 国际检测解决方案公司 | Wafer manufacturing cleaning apparatus, process and method of use |
| CN103170463A (en) * | 2011-12-21 | 2013-06-26 | 浚鑫科技股份有限公司 | Cleaning and handling method of screen printing plate |
| CN103170463B (en) * | 2011-12-21 | 2015-09-30 | 中建材浚鑫科技股份有限公司 | A kind of cleaning method of half tone |
| CN108495721B (en) * | 2016-02-01 | 2021-07-23 | 株式会社巴川制纸所 | Cleaning device |
| CN108495721A (en) * | 2016-02-01 | 2018-09-04 | 株式会社巴川制纸所 | Cleaner |
| US11155428B2 (en) | 2018-02-23 | 2021-10-26 | International Test Solutions, Llc | Material and hardware to automatically clean flexible electronic web rolls |
| US11434095B2 (en) | 2018-02-23 | 2022-09-06 | International Test Solutions, Llc | Material and hardware to automatically clean flexible electronic web rolls |
| CN108660468A (en) * | 2018-05-11 | 2018-10-16 | 佛山市高明利钢精密铸造有限公司 | A kind of high-carbon steel ingot casting surface clean method |
| CN108660468B (en) * | 2018-05-11 | 2019-09-10 | 佛山市高明利钢精密铸造有限公司 | A kind of high-carbon steel ingot casting surface clean method |
| CN108456891B (en) * | 2018-05-11 | 2019-10-25 | 佛山市高明利钢精密铸造有限公司 | A kind of stainless steel mother alloy ingot method for cleaning surface |
| CN108456891A (en) * | 2018-05-11 | 2018-08-28 | 佛山市高明利钢精密铸造有限公司 | A kind of stainless steel mother alloy ingot method for cleaning surface |
| US11756811B2 (en) | 2019-07-02 | 2023-09-12 | International Test Solutions, Llc | Pick and place machine cleaning system and method |
| US11211242B2 (en) | 2019-11-14 | 2021-12-28 | International Test Solutions, Llc | System and method for cleaning contact elements and support hardware using functionalized surface microfeatures |
| US11318550B2 (en) | 2019-11-14 | 2022-05-03 | International Test Solutions, Llc | System and method for cleaning wire bonding machines using functionalized surface microfeatures |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005254498A (en) | 2005-09-22 |
| KR100631053B1 (en) | 2006-10-02 |
| TW200533313A (en) | 2005-10-16 |
| KR20060043531A (en) | 2006-05-15 |
| TWI273900B (en) | 2007-02-21 |
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