EP3107735B1 - Siebdruckschablone und verfahren zu deren bebilderung - Google Patents

Siebdruckschablone und verfahren zu deren bebilderung Download PDF

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Publication number
EP3107735B1
EP3107735B1 EP14821534.6A EP14821534A EP3107735B1 EP 3107735 B1 EP3107735 B1 EP 3107735B1 EP 14821534 A EP14821534 A EP 14821534A EP 3107735 B1 EP3107735 B1 EP 3107735B1
Authority
EP
European Patent Office
Prior art keywords
fabric
printing
printing screen
layer
stencil
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP14821534.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3107735A1 (de
Inventor
Heinz Brocker
Hans-Rudolf Frick
Matthias Rosenfelder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gallus Ferd Rueesch AG
Original Assignee
Gallus Ferd Rueesch AG
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.)
Filing date
Publication date
Application filed by Gallus Ferd Rueesch AG filed Critical Gallus Ferd Rueesch AG
Publication of EP3107735A1 publication Critical patent/EP3107735A1/de
Application granted granted Critical
Publication of EP3107735B1 publication Critical patent/EP3107735B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B41N1/248—Mechanical details, e.g. fixation holes, reinforcement or guiding means; Perforation lines; Ink holding means; Visually or otherwise detectable marking means; Stencil units
    • 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
    • B41C1/145—Forme preparation for stencil-printing or silk-screen printing by perforation using an energetic radiation beam, e.g. a laser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0881—Machines for printing on polyhedral articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/34—Screens, Frames; Holders therefor
    • B41F15/36—Screens, Frames; Holders therefor flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/34—Screens, Frames; Holders therefor
    • B41F15/38—Screens, Frames; Holders therefor curved
    • 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
    • B41N1/243—Stencils; Stencil materials; Carriers therefor characterised by the ink pervious sheet, e.g. yoshino paper
    • 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
    • B41N1/247—Meshes, gauzes, woven or similar screen materials; Preparation thereof, e.g. by plasma treatment

Definitions

  • a method for producing such screen materials is for example in EP 0 182 195 A2 described.
  • electroformed templates are used.
  • the use of metal fleeces, plastic fabrics, perforated sheets, metal foils, even in combination with each other is possible.
  • color channels In order to ensure that color dots and color lines are printed accurately, it must be ensured when imaging the screen materials that line or punctiform forms are formed from the squeegee side of the screen materials to the printing material side of the screen materials Pass through passages, so-called color channels.
  • the color channels must not be interrupted or blocked by the tissue strands. Therefore, the color channels according to the prior art are made with a width which corresponds to a multiple of the diameter of the tissue strands (at least 2 to 2.5 times).
  • Such a sieve material is in the DE 10 2011 016 453 A1 described.
  • the color channels may have only a small width.
  • fabrics with a very fine weave structure are used. These are often woven from strands of less than 30 microns in diameter, so that a mesh size of 300 mesh (number of stitches per 25.4 mm) and more can be realized. Such fine screen materials are expensive to manufacture and have poor stability.
  • the holes in the known hexagonal, square and round hole geometry are made particularly fine.
  • the screen printing stencil according to the invention has at least one sieve-like fabric layer, in particular with tissue strands arranged at an angle to one another as support structure, wherein the fabric strands are arranged in particular at right angles to one another, and one illustrated stencil layer.
  • Electro-formed templates for example made of nickel, and perforated plates or perforated films, such as stainless steel films are considered in this context as a sieve-like fabric layers.
  • the stencil layer and the fabric layer are connected to each other, wherein the fabric layer is at least partially embedded in the stencil layer.
  • the stencil layer is provided with passages in order to allow a color flow from a doctor side of the screen printing stencil on a printing material side of the screen printing stencil.
  • a respective passage configured in this way can also be referred to as a color channel.
  • a respective passage may have differently configured channel walls. So be oblique and / or stepped and / or convex and / or concave channel walls considered advantageous.
  • the fabric layer of the screen printing stencil is designed as a woven steel fabric, in particular made of stainless steel. Alternatively, polyester fabrics can be used. It is also advantageous if the fabric layer is provided with a stabilizing metal coating, the metal coating in particular containing nickel. The fabric layer may possibly be calendered. Also a very strong calendering up to max. The simple wire thickness can be advantageous.
  • the stencil layer is formed by a polymer, in particular by a photopolymer, ie a light-sensitive polymer, which allows a particularly simple imaging.
  • the invention also relates to a method for imaging a screen-printing stencil having at least one sieve-like fabric layer as the support structure and an imageable stencil layer, wherein the stencil layer is provided with apertures during imaging, which can be referred to as color channels to a color flow from a doctor blade side on a printing material side of the screen printing stencil to enable.
  • a respective passage is formed such that it has a smaller opening on the printing material side than on the doctor side of the screen printing stencil.
  • the width 1 of the opening on the doctor blade side is greater than the diameter (D) of a fabric strand (1> D) and the width d of the opening on the printing material side corresponds at most to the diameter (D) of a woven strand (d ⁇ D).
  • the stencil layer is imaged by means of laser.
  • the laser is driven in such a way that it has different penetration depths, that is, it acts differently far below the surface of the stencil layer.
  • laser imaging involves the two alternatives curing by polymerization and Webewed the photo layer (similar to laser cutting).
  • the template layer can be imaged in classical exposure by using multiple film masks with adjusted exposure time and intensity.
  • the stencil layer is imaged with different light spectra, ie with light in different wavelength ranges.
  • the stencil layer can consist of several Be constructed emulsion layers of different sensitivity.
  • the stencil layer can also be imaged with specially designed masks, for example a film mask with locally different light transmission.
  • FIG. 6 shows a flat screen material 10 with a fabric layer 1 according to the prior art, which is provided on one side with a photo-polymer coating 2 (direct template).
  • a photo-polymer coating 2 direct template
  • an already imaged film can be applied to the screen structure 10 (indirect template).
  • the nickel-plated planar sieve material 10 is constructed from a fabric 1. Different tissue forms are possible, which are also referred to as tissue type.
  • Such screen materials 10 as well as the screen printing stencils 10 according to the invention are used in rotary screen printing:
  • FIG. 7 is a sieve 100 with a flat screen material 10 in cylindrical sleeve shape for the rotary screen printing indicated.
  • the screen material 10 is held by unspecified tails in its cylindrical shape.
  • Inside the screen 100 is an invisible squeegee of a screen printing unit to press paint through the screen material 10.
  • the orientation of the doctor blade may be parallel to the axis of rotation of the wire 100.
  • the circumferential direction U of the screen 100, in which this is rotated during printing, is indicated by a double arrow.
  • the screen printing stencil 10 has a printing material side 4 and a squeegee side 5.
  • On the doctor side 5 is an ink supply, which is applied by means of a doctor, not shown, on the doctor side 5 of the screen printing stencil 10.
  • ink 30 reaches the printing material side 4 of the screen printing stencil 10 and comes there into contact with a printing substrate 20.
  • a good color flow F through the passages 3 of the screen printing stencil 10 required.
  • the printing material-side 4 opening 9 of the screen printing stencil 10 must have a narrow width.
  • the passages 3 of the screen printing stencil 10 have the configuration described below:
  • the opening 9 is larger on the doctor blade side 5 with a width 1 than on the printing material side 4, where the opening has a width d.
  • the width 1 of the squeegee-side opening 9 is therefore also greater than the diameter D of a coated fabric strand 6.
  • the width d of the printing material-side opening is smaller than the diameter D of a coated fabric strand. So there is 1> D> d.
  • channel walls 8 more than the only one in FIG. 3 have shown stage.
  • the channel walls 8 may also have the shape of a free forming line, ie a fairly random geometry.
  • FIG. 3f illustrated the combination of different channel wall configurations for the two channel walls 8 is conceivable.
  • those in the FIGS. 1 and 3a to 3e Geometry variants are combined with each other.
  • FIG. 4 shows a plan view of a passage 3 from the doctor side 5.
  • the passage is designed as a linear color channel 3, for printing a line.
  • FIG. 5 plan views of a screen printing stencil 10 with a punctiform passage 3 from both sides of the screen printing stencil are shown: in Fig. 5a the printing material side 4 view and in Fig. 5b the rakel workede 5 view. Thanks to punctiform passages 3 with printing-material-side diameter d, fine dots having a diameter a can be printed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Textile Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Screen Printers (AREA)
  • Coloring (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
EP14821534.6A 2014-02-20 2014-12-11 Siebdruckschablone und verfahren zu deren bebilderung Not-in-force EP3107735B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014002291 2014-02-20
PCT/EP2014/077310 WO2015124230A1 (de) 2014-02-20 2014-12-11 Siebdruckschablone und verfahren zu deren bebilderung

Publications (2)

Publication Number Publication Date
EP3107735A1 EP3107735A1 (de) 2016-12-28
EP3107735B1 true EP3107735B1 (de) 2018-05-02

Family

ID=52278569

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14821534.6A Not-in-force EP3107735B1 (de) 2014-02-20 2014-12-11 Siebdruckschablone und verfahren zu deren bebilderung

Country Status (9)

Country Link
US (1) US9707793B2 (zh)
EP (1) EP3107735B1 (zh)
JP (1) JP6188964B2 (zh)
CN (1) CN106061739B (zh)
DE (1) DE102015200770A1 (zh)
DK (1) DK3107735T3 (zh)
ES (1) ES2671714T3 (zh)
MY (1) MY178067A (zh)
WO (1) WO2015124230A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105346213B (zh) * 2015-09-15 2018-01-09 赫日光电（苏州）有限公司 具有漏斗状开口的复合网版及其制作方法
DE102015120185A1 (de) * 2015-11-20 2017-05-24 Asm Assembly Systems Gmbh & Co. Kg Verfahren und Vorrichtung zum Auswählen einer Pastenschablone für einen Pastendruck sowie zum Auftragen von Paste auf ein Substrat mittels der ausgewählten Pastenschablone
JP6603837B1 (ja) * 2018-06-14 2019-11-13 株式会社プロセス・ラボ・ミクロン スクリーン印刷版及びその製造方法
CN112519392B (zh) * 2019-09-17 2023-06-06 富来宝米可龙股份有限公司 丝网印刷版及其制造方法
CN112519394A (zh) * 2020-11-19 2021-03-19 浙江硕克科技有限公司 一种半导体电子部件精密线路印刷金属版

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JPS59154972A (ja) * 1983-02-24 1984-09-04 Kishimoto Akira 液体の加熱殺菌法
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Also Published As

Publication number Publication date
DE102015200770A1 (de) 2015-08-20
US9707793B2 (en) 2017-07-18
ES2671714T3 (es) 2018-06-08
US20160355041A1 (en) 2016-12-08
JP6188964B2 (ja) 2017-08-30
CN106061739B (zh) 2018-08-03
WO2015124230A1 (de) 2015-08-27
EP3107735A1 (de) 2016-12-28
CN106061739A (zh) 2016-10-26
JP2017506176A (ja) 2017-03-02
DK3107735T3 (en) 2018-06-14
MY178067A (en) 2020-09-30

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