WO2009116336A1 - Plaque de sérigraphie et son procédé de production - Google Patents

Plaque de sérigraphie et son procédé de production Download PDF

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Publication number
WO2009116336A1
WO2009116336A1 PCT/JP2009/052497 JP2009052497W WO2009116336A1 WO 2009116336 A1 WO2009116336 A1 WO 2009116336A1 JP 2009052497 W JP2009052497 W JP 2009052497W WO 2009116336 A1 WO2009116336 A1 WO 2009116336A1
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WO
WIPO (PCT)
Prior art keywords
resist layer
printing plate
screen printing
sheet body
layer
Prior art date
Application number
PCT/JP2009/052497
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English (en)
Japanese (ja)
Inventor
雅之 辻
友成 池田
正仁 善如寺
正道 木原
次郎 青木
誠 古市
龍二 木村
崇敏 黒崎
Original Assignee
シャープ株式会社
メッシュ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by シャープ株式会社, メッシュ株式会社 filed Critical シャープ株式会社
Priority to JP2010503798A priority Critical patent/JPWO2009116336A1/ja
Publication of WO2009116336A1 publication Critical patent/WO2009116336A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
    • H05K3/1216—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by screen printing or stencil printing
    • H05K3/1225—Screens or stencils; 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/24—Stencils; Stencil materials; Carriers therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/12—Stencil printing; Silk-screen printing

Definitions

  • the present invention relates to a printing plate used for stencil printing and a manufacturing method thereof, and more particularly to a screen printing plate used for screen printing and a manufacturing method thereof.
  • Screen printing is a printing method that uses a mesh screen called cocoon, and does not choose the type of ink to be used.
  • the thickness of the ink is selected so that the printing plate has flexibility and is highly adaptable to the object to be printed.
  • advantages such as not having a simple plate principle. Therefore, it is widely used not only for commercial printed materials but also for industrial products such as printed wiring and liquid crystal substrates.
  • FIG. 7 (a) is a plan view of the screen printing plate 54
  • FIG. 7 (b) is a cross-sectional view taken along the line AA of FIG. 7 (a)
  • FIG. 7 (c) is printed using the screen printing plate 54.
  • a mesh screen called a kite is prepared in which a plurality of warp yarns 50 and weft yarns 51 are crossed into a predetermined frame.
  • an acid-resistant photosensitive film (resist) 52 is applied to the entire surface of the screen so as to fill the gaps in the mesh, and exposure and development are performed using an original plate (positive film or the like).
  • FIGS. 7A and 7B a part of the resist 52 is removed according to the pattern of the original, and an opening 53 is formed.
  • the screen printing plate 54 is formed.
  • the screen printing is performed by pressing the screen printing plate 54 against the object to be printed 55 and applying the ink 56 (see FIG. 7C). . Specifically, the ink 56 is placed on the screen printing plate 54 and spread on one surface using a rubber spatula or the like (referred to as “squeegee” or the like). Then, the ink 56 is transferred to the object to be printed 55 through the opening 53. Then, when the screen printing plate 54 is removed, as shown in FIG. 7C, the ink 56 is printed on the printing target 55 in a shape corresponding to the planar shape of the opening 53.
  • the printing surface of the printing object 55 may be damaged. That is, as shown in FIG. 7B, since the resist 52 and the printing target 55 are in direct contact with each other, when the screen printing plate 54 is pressed against the printing target 55 during the squeegee, the pressure is applied. In some cases, the printed surface was scratched (called “mesh marks” or the like). In particular, there is a surface step at the intersection K between the warp 50 and the weft 51 (see FIGS. 7A and 7B: one-dot chain line circle). There was a problem that strong pressure was applied to the object 55 and the printed surface was easily damaged.
  • Patent Document 1 a configuration in which a metal layer is electrodeposited on a printing surface side (a surface facing an object to be printed) of a printing plate is known. If comprised in this way, the stress produced by the imbalance of squeegee pressure will be blocked by the metal layer, and will not be transmitted to a to-be-printed object. Thereby, the mesh mark to the printing surface by the imbalance of squeegee pressure can be reduced.
  • Patent Document 2 a configuration in which a protrusion (printing protrusion) is provided on the printing surface side of the printing plate is also known. If comprised in this way, since places other than the projection part of a printing plate can be made into a non-contact state with respect to a to-be-printed object, the mesh trace to the to-be-printed surface by a squeegee pressure can be reduced.
  • the conventional printing plate has the following problems.
  • the time and cost required for manufacturing are large. That is, since the printing plate shown in Patent Document 1 uses an electrochemical reaction called electrodeposition, it has been difficult to reduce the time required for the reaction physically and costly. Naturally, if the metal layer to be formed is made thinner, the time required for the reaction can be shortened. However, the hardness of the metal layer cannot be sufficiently maintained, and the ability to block the squeegee pressure is reduced. Therefore, in order to sufficiently reduce the mesh marks, the time required for electrodeposition cannot be shortened sufficiently, and the time and cost required for manufacturing the printing plate cannot be reduced.
  • a method of reducing the deflection of the printing plate by increasing the height and width of the rib can be considered.
  • the rib width is too large, there is a problem that the size and pitch cannot be reduced when a plurality of objects to be printed are present in one mother substrate.
  • the object to be printed is a liquid crystal substrate
  • the area of the mother substrate that can be used is determined, and how many panels (objects to be printed) can be imposed is an important issue It becomes.
  • the width of the rib is increased, the printable area is reduced correspondingly, and the number of panels that can be imposed is limited, and the productivity of the panel is significantly impaired.
  • the present invention can effectively reduce mesh marks due to squeegee pressure imbalance, reduce the time and cost required for manufacturing, and improve the productivity of the screen printing plate and the method of manufacturing the screen printing plate.
  • the screen printing plate according to the present invention includes a "mesh layer in which a plurality of warps and wefts intersect and are knitted in a plane, A first resist layer formed on one surface side of the mesh layer, having a first smooth surface smoothed by a flat sheet body, and in contact with an object to be printed; And a second resist layer having a second smooth surface that is formed on the other surface side of the mesh layer and smoothed by a flat sheet body ”.
  • examples of the “warp and weft” include materials such as synthetic fibers such as polyester, metal fibers such as silk and stainless steel, and the like.
  • examples of the “object to be printed” include various materials such as paper, glass, synthetic resin, metal, cloth, wood, ceramics, and the like. Furthermore, not only a planar shape but also an object having a curved shape is included. Further, as a medium to be printed on the “object to be printed”, not only a normal ink using a pigment or a dye but also an ultraviolet curable ink or an adhesive can be cited as an example.
  • the “other surface side” is the back side of the “one side” that is “used opposite to the object to be printed” among the both sides of the mesh layer woven in a flat shape, A surface on the side squeezed using a rubber spatula or the like during printing is shown.
  • examples of the “flat sheet body” include thin film films such as polyethylene terephthalate (PET), polyester, polypropylene, polystyrene, polyvinyl chloride, polyamide, and polyethylene, but those having a flat surface shape may be used.
  • PET polyethylene terephthalate
  • polyester polypropylene
  • polystyrene polystyrene
  • polyvinyl chloride polyamide
  • polyethylene but those having a flat surface shape may be used.
  • the material is not limited to those described above.
  • first resist layer and the “second resist layer” may be directly applied to the mesh layer, or may be transferred from the photosensitive film to the mesh layer. In short, it may be formed by any of direct method, indirect method, and direct method.
  • the screen printing plate of the present invention not only the first resist layer used facing the object to be printed, but also the second resist layer formed on the other surface side is smoothed. That is, of the both sides of the mesh layer, the flat side on which the squeegee is squeezed with a rubber spatula is smoothed, so that the surface step at the intersection of the warp and the weft is smoothed, and no squeegee pressure imbalance occurs. Thereby, since the stress resulting from the said imbalance does not generate
  • the other side of the mesh layer is smoothed by the second resist layer. Accordingly, it is possible to provide a screen printing plate that can significantly reduce the time and cost required for plate making compared to a conventional printing plate in which a metal layer is deposited on one side. Furthermore, according to the screen printing plate of the present invention, there is no need to provide ribs to protect the object to be printed, and therefore there is no need to reduce the size and pitch of the object to be printed (panel) in the mother substrate. Therefore, a screen printing plate having excellent panel productivity can be provided.
  • the surface roughness of the second smooth surface is characterized in that Rz is 0.01 ⁇ m or more and 5 ⁇ m or less”.
  • Rz indicates the average height of ten points, and in the portion where only the reference length is extracted from the extracted cross-section curve, the average value of the altitude of the peak from the highest to the fifth, and from the deepest to the fifth The value of the difference from the average value of the altitude at the bottom of the valley is expressed in micrometers ( ⁇ m).
  • the surface roughness of the second smooth surface is 0.01 ⁇ m or more and 5 ⁇ m or less in Rz.
  • a configuration in which the thickness of the second resist layer is increased can be considered. This is because if the film thickness is increased, the surface tends to be flattened, and the pressure generated during the squeegee is not easily transmitted to the printing surface.
  • this configuration there is a problem that the time required for forming the second resist layer is increased and the production tact of the screen printing plate is increased.
  • the thickness of the second resist layer is too thick, the amount of ink required for printing increases, which is not preferable.
  • the screen printing plate of the present invention has the second smooth surface smoothened by a flat sheet on the other side of the mesh layer.
  • a smooth squeegee surface having an Rz of 0.01 ⁇ m or more and 5 ⁇ m or less can be obtained without increasing the thickness of the second resist layer, and the manufacturing tact can be shortened and the amount of ink required for printing can be reduced.
  • the surface roughness of the first smooth surface and the second smooth surface is characterized in that Rz is 0.01 ⁇ m or more and 5 ⁇ m or less”.
  • the first smooth surface in addition to the second smooth surface, also has an Rz of 0.01 ⁇ m or more and 5 ⁇ m or less. Accordingly, it is possible to provide a screen printing plate that can reduce mesh marks and reduce problems such as ink bleeding and realize higher-performance screen printing.
  • the surface roughness of the first smooth surface is Rz of 0.01 ⁇ m or more and 5 ⁇ m or less
  • the surface roughness of the second smooth surface is Rz of 0.01 ⁇ m or more. It is good also as what is characterized by being 3 micrometers or less.
  • the first smooth surface has a surface roughness Rz of 0.01 ⁇ m to 5 ⁇ m
  • the second smooth surface has a surface roughness Rz of 0.01 ⁇ m to 3 ⁇ m. It is. Therefore, it is possible to provide a screen printing plate that realizes screen printing with higher performance.
  • the surface roughness of the first smooth surface is Rz of 0.01 ⁇ m or more and 3 ⁇ m or less
  • the surface roughness of the second smooth surface is Rz of 0.01 ⁇ m or more. It is good also as what is characterized by being 5 micrometers or less.
  • the first smooth surface has a surface roughness Rz of 0.01 ⁇ m or more and 3 ⁇ m or less
  • the second smooth surface has a surface roughness Rz of 0.01 ⁇ m or more and 5 ⁇ m or less. It is. Therefore, it is possible to provide a screen printing plate that realizes high-performance screen printing.
  • the surface roughness of the first smooth surface and the second smooth surface is characterized in that Rz is 0.01 ⁇ m or more and 3 ⁇ m or less”.
  • the first smooth surface in addition to the second smooth surface, also has an Rz of 0.01 ⁇ m or more and 3 ⁇ m or less. Therefore, it is possible to provide a screen printing plate that can further reduce mesh marks and reduce problems such as ink bleeding and realize high-performance screen printing.
  • a first resist layer is formed by applying a first resist agent from one side of a mesh layer woven in a plane shape by intersecting a plurality of warps and wefts.
  • a first resist layer forming step A first planarization step of attaching a flat first sheet body to the surface of the first resist layer, and smoothing the surface of the first resist layer following the attachment surface of the first sheet body; A first peeling step of peeling the first sheet body from the surface of the first resist layer; From the other side of the mesh layer, a second resist layer forming step of forming a second resist layer by applying a second resist agent; A second flattening step of attaching a flat second sheet body to the surface of the second resist layer, and smoothing the surface of the second resist layer following the attachment surface of the second sheet body; And a second peeling step of peeling the second sheet body from the surface of the second resist layer ”.
  • one side and “other side” indicate one side of the planar mesh layer. That is, either one is the one surface side used to face the object to be printed during printing, and the other is the other surface side to be squeezed.
  • the number of times of “application of the first resist agent” may be only once or may be multiple times. The same applies to the number of times “application of the second resist agent”. Further, the number of times “application of the first resist agent” and the number of times “application of the second resist agent” may be the same, or different numbers may be selected. It can be appropriately selected as necessary.
  • the following method can be exemplified. That is, a method of “pasting the first sheet body on the entire surface of the first resist layer and then pressing and squeezing the entire first resist layer from the first sheet body side to the mesh layer side”, and “first resist The first sheet body is pressed against the surface of the layer, and at the same time, the first sheet body is adhered to the entire surface while squeezing.
  • the timing for exposing the first resist layer and the second resist layer is not particularly limited in the present invention.
  • the “first peeling step” and the “second peeling step”, or before the “first peeling step” and the “second peeling step”, or the “first flattening step” and It may be before the “second planarization step”.
  • it may be “provided with a first exposure step of exposing the first resist layer and a second exposure step of exposing the second resist layer”.
  • the number of times of the “first flattening step” and the “second flattening step” is not limited to one each. Of course, it may be performed twice or more before and after exposing the first resist layer and the second resist layer. Furthermore, the “first flattening step” and the “second flattening step” may be performed after either one is completed, or may be performed simultaneously. Similarly, the “first peeling step” and the “second peeling step” may be performed at the same time after either one is completed, or may be performed simultaneously.
  • the one surface side of the mesh layer is smoothened.
  • a first resist layer can be obtained.
  • the 2nd resist layer formation process, the 2nd planarization process, and the 2nd peeling process are comprised, the 2nd resist layer by which the smooth process was carried out also on the other surface side of a mesh layer can be obtained.
  • the resist layers on both sides of the mesh layer are smoothed, an imbalance of squeegee pressure does not occur during squeegeeing, and mesh marks on the printing surface can be effectively reduced.
  • a smooth surface is obtained by processing a resist layer as compared with a conventional printing plate in which a metal layer or the like is separately formed, a manufacturing method that can significantly reduce the time and cost required for plate making can be provided.
  • a single-sided drying step of drying the first resist layer in a state where the first sheet body is adhered After the one-side drying step, the second resist layer forming step, the second flattening step, and the second peeling step are performed ”.
  • a single-side drying step of drying the first resist layer in a state where the first sheet body is adhered there is provided a single-side drying step of drying the first resist layer in a state where the first sheet body is adhered.
  • the time which drying requires can be shortened as much as possible.
  • or a 2nd peeling process are performed after a single-sided drying process, drying of a 2nd resist layer is not prevented by the 1st sheet
  • the time required for drying can be further improved, and a method for producing a screen printing plate that can greatly reduce the time required for production can be provided.
  • the first sheet body and the second sheet body may be attached to the first resist layer and the second resist layer, respectively, Further comprising a double-sided drying step of drying the resist layer and the second resist layer, After the double-sided drying step, the first peeling step and the second peeling step are performed ".
  • the method for producing a screen printing plate of the present invention since a double-sided drying step is provided, it can be expected to obtain a first resist layer or a second resist layer with higher smoothness. This is because, after the drying process of one resist layer is completed, if the drying process or the peeling process of the other resist layer is performed, dust or dirt is deposited on the surface of one resist layer while the drying of the other resist layer proceeds. The case where a solvent etc. adhere may be considered.
  • the drying process of the first resist layer and the second resist layer proceeds almost simultaneously, so that dust, solvent, etc. are attached to the surface of one resist layer. Concerns to be dispelled. Thereby, since it can be expected to obtain a first resist layer or a second resist layer having higher smoothness, a method for producing a screen printing plate having a high degree of printing completion can be provided.
  • the smoothing process is performed on both the one side used to face the object to be printed and the other side to be squeezed.
  • a resist layer can be obtained.
  • FIG. 1 is a diagram schematically showing a cross section of a screen printing plate
  • FIG. 2 is a (a) table and a (b) graph showing measurement results of mesh marks during printing using the screen printing plate
  • 3 is a flowchart showing the flow of a method for producing a screen printing plate
  • FIG. 4 is an explanatory diagram for explaining the method for producing a screen printing plate.
  • FIG. 1 schematically shows a cross section of the screen printing plate 1 of this example.
  • the scale of each component is arbitrarily changed to simplify the description.
  • a part of the mesh layer 5, the printing side resist layer 7, and the squeegee side resist layer 9 is omitted.
  • the screen printing plate 1 of the present invention includes a mesh layer 5 in which a plurality of warp yarns 3 and weft yarns 4 are crossed, a printing-side resist layer 7 having a first smooth surface 6, And a squeegee side resist layer 9 having a second smooth surface 8.
  • the mesh layer 5 is composed of warps 3 and wefts 4.
  • the warp yarns 3 and the weft yarns 4 are woven by crossing the yarns of polyarylate vertically and horizontally, and are pasted on one surface of the frame body 2 of 950 mm ⁇ 1100 mm.
  • a plain weaving method and a twill weaving method are generally known as a weaving method of the warp 3 and the weft 4, but in this embodiment, a knitting is performed by a plain weaving method (weaving structure in which the warp 3 and the weft 4 are alternately interlaced). It is included.
  • the printing side resist layer 7 is formed on one side of the mesh layer 5.
  • “one surface side” indicates a surface used in contact with an object to be printed (in this example, a liquid crystal substrate). More specifically, the printing side resist layer 7 is formed by coating a known photosensitive emulsion with a thickness of 25 ⁇ m on one side of the mesh layer 5.
  • the printing-side resist layer 7 has a first smooth surface 6 on the surface in contact with the object to be printed.
  • the first smooth surface 6 is smoothed by a flat first sheet body 10 (described later), and the surface roughness thereof is 2.30 ⁇ m in Rz.
  • the “printing side resist layer 7” corresponds to the “first resist layer” of the present invention.
  • the squeegee side resist layer 9 is formed on the other side of the mesh layer 5.
  • the “other surface side” is a back surface side of “one surface side”, and indicates a side to be squeezed using a rubber spatula or the like during screen printing.
  • the squeegee side resist layer 9 is formed by coating a known photosensitive emulsion with a thickness of 5 ⁇ m on the other side of the mesh layer 5.
  • the squeegee side resist layer 9 has a second smooth surface 8 on the squeegee side surface.
  • the second smooth surface 8 is smoothed by a flat second sheet body 13 (described later), and the surface roughness thereof is 1.60 ⁇ m in Rz.
  • the “squeegee side resist layer 9” corresponds to the “second resist layer” of the present invention.
  • “one side” is “printing side resist layer 7” and “other side” is “squeegee side resist layer 9”, but the reverse (“one side”) May be “squeegee side resist layer 9” and “other side” is “print side resist layer 7”).
  • FIG. 2 shows the measurement results of the mesh marks when screen printing was performed using the screen printing plate 1 of this example.
  • the measurement result of the mesh mark when using a printing plate other than the screen printing plate 1 of this example is also shown.
  • FIG. 2A is a graph showing a result of measuring the area of the mesh mark appearing on the printing target when printing is performed using the screen printing plate 1 of the present example.
  • each measurement item of Fig.2 (a) respond corresponds as follows. That is, Presence / absence of processing No double-sided F: screen printing plate without first smooth surface 6 and second smooth surface 8 (both sides are not smoothed) Single side F: Screen printing plate having only the first smooth surface 6 (only the printing-side resist layer 7 is smoothed) Both surfaces F: Screen printing plate 1 having a first smooth surface 6 and a second smooth surface 8 (both surfaces are smoothed) Size of mesh mark: Measurement area 65 ⁇ 195 [ ⁇ m 2 ] is measured at 10 locations on the mother substrate in the printed surface, and the average of the obtained values is shown as the area of the mesh mark.
  • Ave. Shows the average value of mesh marks in the measurement area of the printing surface.
  • Max. Indicates the maximum area of mesh marks in the measurement area of the printing surface.
  • Min. Shows the minimum area value of the mesh mark in the measurement area of the printing surface.
  • FIG. 2B is a graph of the measurement result of FIG.
  • the bar portion indicates the variation range (maximum value to minimum value) of the mesh marks measured in FIG. 2A, and the black circle portion indicates the average value of the mesh marks.
  • the screen printing plate (single side F and double side F) subjected to the smoothing process has a mesh mark size as compared with the screen printing plate (both sides F not provided) which is not subjected to the smoothing process on both sides. It has been found that both the maximum value and the minimum value of are small. Further, the variation range (maximum value ⁇ minimum value) of the mesh marks is also reduced, and the area average value is also reduced.
  • the screen printing plate 1 (both sides F) of the present example having the first smooth surface 6 and the second smooth surface 8 has an area average value of mesh marks as compared with the one having only the first smooth surface 6 (single side F).
  • the maximum area value, the minimum area value, and the variation range are all small, and it has been found that there is a high effect in reducing mesh marks.
  • step S ⁇ b> 1 the mesh layer 5 (see FIG. 4, the same applies hereinafter) attached to the frame 2 (see FIG. 4, the same applies below) is washed with purified water or a neutral detergent. To do. Then, it is left for a predetermined time and dried by natural drying (“S1: cleaning step”).
  • a printing-side resist layer 7 is formed on one side of the mesh layer 5.
  • the printing-side resist layer 7 is formed by directly applying a photosensitive emulsion to the mesh layer 5. More specifically, as shown in FIG. 4A, first, the frame body 2 is stood at a predetermined inclination angle, and a photosensitive emulsion is coated on one side of the mesh layer 5. And it dries at about 40 degreeC using a dryer. Thereafter, the photosensitive emulsion is applied again and dried again at about 40 ° C. Thus, the coating and drying of the emulsion are repeated until the thickness of the printing-side resist layer 7 becomes 25 ⁇ m (“S2: printing-side resist layer forming step”). When the thickness of the printing-side resist layer 7 reaches 25 ⁇ m, the process proceeds to step S3 when the emulsion is applied (that is, before drying).
  • the first sheet body 10 is adhered to the surface of the printing-side resist layer 7 (the surface on the side in contact with the object to be printed).
  • the first sheet body 10 employs a polyethylene terephthalate film having a flat and smooth surface and a thickness approximately equal to the inner dimension of the frame body 2 and having a thickness of about 100.01 ⁇ m. More specifically, as shown in FIG. 4B, the first sheet body 10 is arranged on one side of the printing-side resist layer 7, and the surface is pressed by the bucket 11 and slid (squeegee) on the other side. Stick to the side.
  • the pressing is performed by pressing the first sheet body 10 from the surface side of the printing side resist layer 7 toward the mesh layer 5 side. Thereby, the surface of the printing-side resist layer 7 is smoothed following the first sheet body 10.
  • the process proceeds to step S4.
  • the printing-side resist layer 7 is dried with the first sheet body 10 adhered. Although it does not specifically limit as drying conditions, In this example, it is made to dry at about 40 degreeC using a dryer.
  • the printing-side resist layer 7 smoothed in step S3 is cured while maintaining a smooth state as it is dried. In this example, since the first sheet body 10 is adhered, the phenomenon that the emulsion shrinks with drying is also reduced. Moreover, according to this example, since the resist layer is not formed on the other surface side of the mesh layer 5 and the sheet body is not disposed, the drying is completed relatively quickly. When the predetermined time has elapsed and the drying of the printing-side resist layer 7 is completed, the process proceeds to step S5.
  • Step S5 the first sheet body 10 adhered in Step S4 is peeled off from the surface of the printing side resist layer 7. Then, the first smooth surface 6 is formed on the printing-side resist layer 7 as shown in FIG. Then, the process proceeds to step S6.
  • step S6 first, the printing side resist layer 7 having the first smooth surface 6 is exposed. More specifically, a positive film corresponding to a predetermined printing shape is brought into close contact with the printing side resist layer 7, and the printing side resist layer 7 is exposed by irradiating with an ultrahigh pressure mercury lamp for a predetermined time. Then, the printing-side resist layer 7 is locally exposed and cured according to the shape of the positive film. Then, the printing side resist layer 7 is swung in the water together with the frame 2 and the mesh layer 5.
  • step S7 the unexposed portion of the printing-side resist layer 7 is removed from the mesh layer 5 to obtain the printing-side resist layer 7 in which a desired opening 12 is formed (see, for example, FIG. 4D).
  • the squeegee side resist layer 9 is formed on the other surface side of the mesh layer 5.
  • the photosensitive emulsion is directly coated on the mesh layer 5. More specifically, as shown in FIG. 4D, a photosensitive emulsion is coated on the other side of the mesh layer 5.
  • the thickness of the squeegee side resist layer 9 is 5 ⁇ m. Therefore, unlike the printing side resist layer 7, the squeegee side resist layer 9 is obtained by one emulsion coating.
  • step S8 the second sheet 13 is attached to the surface (squeegee surface) of the squeegee side resist layer 9.
  • the second sheet body 13 employs a polyethylene terephthalate film in the same manner as the first sheet body 10.
  • the size is the same as that of the first sheet body 10. More specifically, as shown in FIG. 4 (e), the second sheet 13 is disposed on one side of the squeegee side resist layer 9, the surface is pressed by the bucket 11, and the squeegee is directed toward the other side. Stick it on.
  • the pressing is performed by pressing the second sheet 13 from the surface side of the squeegee side resist layer 9 toward the mesh layer 5 side. Thereby, the surface of the squeegee side resist layer 9 is smoothed following the second sheet body 13 (“S8: squeegee side resist layer flattening step”).
  • S8 squeegee side resist layer flattening step
  • step S9 the squeegee side resist layer 9 is dried in a state where the second sheet body 13 is adhered. Since the drying process is almost the same as “S4: single-sided drying process”, detailed description is omitted.
  • S4 single-sided drying process
  • step S10 the second sheet body 13 adhered in step S9 is peeled from the surface of the squeegee side resist layer 9. Then, as shown in FIG. 4F, the second smooth surface 8 is formed on the squeegee side resist layer 9. Then, the process proceeds to step S11.
  • step S11 “squeegee side resist layer exposure / development step”
  • the squeegee side resist layer 9 having the second smooth surface 8 is exposed. Since the exposure process is substantially the same as “S6: Print-side resist layer exposure / development process”, detailed description thereof is omitted.
  • S6 Print-side resist layer exposure / development process
  • a screen printing plate 1 having an opening 12 as shown in FIG. 4G can be obtained.
  • step S6 is performed after step S5 is illustrated, but the present invention is not limited to this example.
  • step S5 ends, the process may proceed to step S7, and after step S10 ends, the process may proceed to step S6 and step S11. That is, the squeegee side resist layer 9 is formed after the first sheet body 10 is peeled off from the surface of the printing side resist layer 7, and then the second sheet body is peeled off from the surface of the squeegee side resist layer 9 before A case where the resist layer 7 and the squeegee side resist layer 9 are exposed and developed is also exemplified.
  • step S7 and subsequent steps are performed after step S6 is completed, the squeegee side resist layer 9 can be formed after the printing side resist layer 7 is cured by exposure.
  • step S6 and step S11 are performed after the completion of step S10, there is an advantage that the exposure and development operations for each resist layer can be performed in a lump and work efficiency is good.
  • the second side of the mesh layer 5 has the second side.
  • a squeegee side resist layer 9 having two smooth surfaces 8 can be obtained.
  • the imbalance of the squeegee pressure at the time of the squeegee does not occur, and the mesh marks on the printing target can be effectively reduced.
  • a smooth surface is obtained by processing a resist layer as compared with a conventional printing plate in which a metal layer or the like is separately formed, a manufacturing method that can significantly reduce the time and cost required for plate making can be provided.
  • the single-sided drying step S4 since the resist layer and the sheet body are not arranged on the other side of the mesh layer 5, the drying step is completed relatively quickly. Therefore, the productivity of the screen printing plate 1 can be increased.
  • the surface roughness of the first smooth surface 6 and the second smooth surface 8 was measured for the screen printing plate 1 obtained by the production method T1.
  • a commercially available stylus type surface roughness measuring machine was used, the Rz value was measured 6 times with a cut-off value of 0.80 mm, and the average value was taken as the measurement result.
  • the surface roughness of the first smooth surface 6 was 2.30 ⁇ m
  • the surface roughness of the second smooth surface 8 was recorded as 1.60 ⁇ m.
  • Table 1 shows the results of measurement performed under the same conditions for the screen printing plate 1 produced using the manufacturing method T1 other than the mesh layer 5 of this example.
  • “type of mesh layer” in Table 1 is as follows.
  • Mesh layer 5 Mesh layer 5 of this example (mesh layer composed of fiber yarns of polyarylate)
  • Comparative Example 1 Mesh layer composed of polyester fiber yarn
  • Comparative Example 2 Mesh layer composed of stainless steel wire
  • Comparative Example 3 Mesh layer of stainless steel wire subjected to calendering
  • Rz of the first smooth surface 6 is 0.01 ⁇ m or more and 5 ⁇ m or less
  • Rz of the second smooth surface 8 is 0.01 ⁇ m or more and 3 ⁇ m. It was confirmed that a screen printing plate 1 having a high smoothness as described below could be obtained.
  • the screen printing plate 1 having high smoothness is obtained in which the Rz of the first smooth surface 6 and the second smooth surface 8 are both 0.01 ⁇ m or more and 3 ⁇ m or less. It has been.
  • FIG. 5 is a flowchart showing the flow of another method for producing a screen printing plate
  • FIG. 6 is an explanatory diagram for explaining another method for producing a screen printing plate.
  • step U1 the mesh layer 5 (see FIG. 6) disposed in the frame 2 (see FIG. 6, the same applies hereinafter). The same shall apply hereinafter) using purified water or neutral detergent. Then, it is left for a predetermined time and dried by natural drying.
  • step U2 a printing-side resist layer 7 is formed on one surface side of the mesh layer 5 as shown in FIG. 6A (“U2: printing-side resist layer forming step”).
  • the method for forming the printing-side resist layer 7 is the same as the “printing-side resist layer forming step” in step S2, and thus detailed description thereof is omitted.
  • the process proceeds to Step U3 when the emulsion is applied (that is, before drying).
  • step U3 the surface of the printing-side resist layer 7 is smoothed by the first sheet body 10 (see FIG. 6B).
  • the flattening process of the printing-side resist layer 7 is the same as “S3: Printing-side resist layer flattening process”, and thus detailed description thereof is omitted.
  • Step U4 the squeegee side resist layer 9 is formed in a state where the first sheet body 10 is adhered to the printing side resist layer 7 (“U4: squeegee side resist layer forming step”). More specifically, as shown in FIG. 6C, a photosensitive emulsion is applied to the other side of the mesh layer 5 with a thickness of 5 ⁇ m. At this time, the first sheet body 10 is still attached to the surface of the printing-side resist layer 7. When the squeegee side resist layer 9 is formed, the process proceeds to Step U5.
  • step U5 the surface of the squeegee side resist layer 9 is smoothed by the second sheet body 13 (see FIG. 6D).
  • the smoothing process is the same as “S8: Squeegee side resist layer flattening step”, and thus detailed description thereof is omitted.
  • Step U6 the printing side resist layer 7 and the squeegee side resist layer 9 are dried with the first sheet body 10 and the second sheet body 13 adhered.
  • the flattening step of the squeegee side resist layer 9 is performed without waiting for the drying of the printing side resist layer 7 to end. Therefore, drying of the printing side resist layer 7 and the squeegee side resist layer 9 proceeds almost simultaneously (see FIG. 6E).
  • the process proceeds to Step U7.
  • Step U7 the first sheet body 10 adhered in Step U3 is peeled from the surface of the printing side resist layer 7. And it transfers to the "2nd peeling process” of step U8, and peels the 2nd sheet
  • FIG. 6 (f) the printing-side resist layer 7 having the first smooth surface 6 is obtained, and at the same time, the squeegee-side resist layer 9 having the second smooth surface 8 is obtained. Then, the process proceeds to step U9.
  • step U9 the printing-side resist layer 7 is exposed for a predetermined time with an ultrahigh pressure mercury lamp. Thereafter, the squeegee side resist layer 9 is exposed and developed. Then, as shown in FIG. 6G, openings 12 are formed in the printing-side resist layer 7 and the squeegee-side resist layer 9, and the screen printing plate 1 having a desired shape is completed.
  • the screen printing plate manufacturing method T2 of this example since the double-sided drying step of Step U6 is provided, the drying of the printing side resist layer 7 and the squeegee side resist layer 9 proceeds almost simultaneously. . Therefore, since the drying process proceeds without impairing the smoothness of each resist layer, the screen printing plate 1 having high smoothness can be realized. Thereby, the screen printing plate 1 that can further improve the degree of printing completion can be provided.
  • the squeegee side resist layer 9 having the second smooth surface 8 can be obtained.
  • the screen printing plate 1 which can shorten significantly the time and cost which platemaking requires can be provided.
  • the 2nd smooth surface 8 is obtained, without thickening the squeegee side resist layer 9 (5 micrometers). Thereby, it is possible to perform screen printing without increasing the amount of ink, and it is possible to obtain the screen printing plate 1 that realizes highly productive screen printing.
  • the single-sided drying step of Step S4 is provided.
  • the double-sided drying step of Step U6 is provided.
  • the drying of the printing side resist layer 7 and the squeegee side resist layer 9 proceeds almost simultaneously, so that the screen printing plate 1 having high smoothness can be realized.
  • the present invention is not limited to this configuration.
  • an indirect method in which a film-like photosensitive emulsion that has already been patterned into a predetermined shape is transferred to the surface of the mesh layer 5, or a film-like photosensitive emulsion that has been transferred to the surface of the mesh layer 5 and transferred.
  • a direct method of exposing and developing the film may be used.
  • these methods may be appropriately combined, and the form is not particularly limited.
  • step S6 printing-side resist layer exposure / development process
  • the timing of exposure is not limited to this example. For example, it may be before “S3: printing-side resist layer flattening step” or before “S11: squeegee-side resist layer exposure / development step”.
  • S8 printing side resist layer flattening step
  • S11 squeegee side resist layer exposure / development step
  • the surface of the squeegee side resist layer 9 is cured by exposure. Since the smoothing process can be performed before, the second smooth surface 8 having higher smoothness can be obtained.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

La présente invention concerne une plaque de sérigraphie susceptible de réduire les traces laissées par les mailles, à la suite d'une pression non équilibrée, et dont le temps de production et le coût peuvent être diminués tout en conservant une excellente productivité. Cette plaque de sérigraphie comprend : une couche de mailles (5) dans laquelle une pluralité de chaînes (3) et de trames (4) sont cousues afin d'avoir une forme plane tout en se croisant les unes les autres ; une couche latérale de résist d'impression (7) formée sur un côté de la couche de mailles (5) et présentant une première surface lisse (6) soumise à un traitement de lissage par un corps de feuille plat ; et une couche de résist (9) formée sur l'autre côté de la couche de mailles (5) et présentant une seconde surface lisse (8) de compression soumise au traitement de lissage par un corps de feuille plat.
PCT/JP2009/052497 2008-03-21 2009-02-16 Plaque de sérigraphie et son procédé de production WO2009116336A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2018105657A1 (ja) * 2016-12-06 2019-10-24 株式会社Ｎｂｃメッシュテック スクリーン版およびその製造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5572303B2 (ja) * 2008-11-04 2014-08-13 株式会社ボンマーク スクリーン印刷用メタルマスク及びその製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5412908A (en) * 1977-06-27 1979-01-31 Nippon Electric Co Screen for printing thick film
JPS5834462A (ja) * 1981-08-25 1983-02-28 Alps Electric Co Ltd スクリ−ン印刷等に使用するスクリ−ンの製法
JP2002079775A (ja) * 2000-09-07 2002-03-19 Noritake Co Ltd スクリーン印刷用製版の製造方法
JP2002362056A (ja) * 2001-06-11 2002-12-18 Sumitomo Metal Electronics Devices Inc スクリーン印刷用スクリーンの製造方法
JP2004345205A (ja) * 2003-05-22 2004-12-09 Murata Mfg Co Ltd スクリーン印刷用版の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5412908A (en) * 1977-06-27 1979-01-31 Nippon Electric Co Screen for printing thick film
JPS5834462A (ja) * 1981-08-25 1983-02-28 Alps Electric Co Ltd スクリ−ン印刷等に使用するスクリ−ンの製法
JP2002079775A (ja) * 2000-09-07 2002-03-19 Noritake Co Ltd スクリーン印刷用製版の製造方法
JP2002362056A (ja) * 2001-06-11 2002-12-18 Sumitomo Metal Electronics Devices Inc スクリーン印刷用スクリーンの製造方法
JP2004345205A (ja) * 2003-05-22 2004-12-09 Murata Mfg Co Ltd スクリーン印刷用版の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2018105657A1 (ja) * 2016-12-06 2019-10-24 株式会社Ｎｂｃメッシュテック スクリーン版およびその製造方法

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