WO2010142273A1 - Pochoir de sérigraphie - Google Patents

Pochoir de sérigraphie Download PDF

Info

Publication number
WO2010142273A1
WO2010142273A1 PCT/DE2010/000642 DE2010000642W WO2010142273A1 WO 2010142273 A1 WO2010142273 A1 WO 2010142273A1 DE 2010000642 W DE2010000642 W DE 2010000642W WO 2010142273 A1 WO2010142273 A1 WO 2010142273A1
Authority
WO
WIPO (PCT)
Prior art keywords
screen printing
stencil
screen
recess
printing stencil
Prior art date
Application number
PCT/DE2010/000642
Other languages
German (de)
English (en)
Inventor
Mike Becker
Dietmar LÜTKE-NOTARP
Original Assignee
Nb Technologies Gmbh
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 Nb Technologies Gmbh filed Critical Nb Technologies Gmbh
Priority to CN2010800253077A priority Critical patent/CN102458870A/zh
Publication of WO2010142273A1 publication Critical patent/WO2010142273A1/fr

Links

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
    • B41N1/247—Meshes, gauzes, woven or similar screen materials; Preparation thereof, e.g. by plasma treatment

Definitions

  • the invention relates to a screen printing stencil having a first screen stencil layer with a first recess and a second screen stencil layer having a second recess, so that a printing medium from the top of the first
  • Screen stencil sheet can be conveyed through the first recess and the second recess in the direction of a substrate which can be placed underneath.
  • a printing medium is applied to a screen printing stencil, the printing medium then being conveyed into recesses of the screen printing stencil by means of a doctor blade guided along the top side or very close to the top side of the screen printing stencil.
  • a doctor blade guided along the top side or very close to the top side of the screen printing stencil.
  • the screen printing stencil is removed from the substrate, it can happen, particularly with small recesses, that the printing medium hangs on the screen printing stencil and does not adhere to the substrate. The print medium is then missing on the substrate.
  • the printing medium remains attached to the substrate, as is also provided, a portion of the printing medium may remain in the recesses. The consequence of this are printed areas on the substrate, which have different thicknesses. A different layer thickness also occurs due to the shading of the screen printing stencil carrier, for example, made of tissue on. At the sites of tissue openings, more pressure medium passes through the template than at the crossing points. In the case of a high-viscosity printing medium, in which no lateral bleeding of the medium occurs, the print job maintains a height profile with relatively significant height differences. ,
  • the screen printing stencil according to the invention has a first screen stencil layer, which has a first top side and a first bottom side, the stencil having a first recess which extends from the top side to the bottom side, wherein the first recess on the first top side has a pressure medium inlet opening and on the first underside has a pressure medium outlet opening, wherein the surface of the inlet opening at a projection perpendicular to this surface is at most partially superposed with the surface of the outlet opening, wherein the screen printing stencil has a second Siebdruckschablonenlage with a second top and a second bottom, wherein the second Top side of the second screen stencil layer is connected to the first underside of the first screen stencil layer, wherein the second screen stencil layer has a second recess, so that a printing medium from the top of the first Siebdruckschablon Enlage through the first recess and second recess can be conveyed to a substrate that can be placed underneath.
  • the printing medium no longer has to be introduced into a recess exclusively normal or perpendicular to the upper side of the screen printing stencil, but can also be conveyed in one direction, which deviates from the normal. This facilitates the transport of the printing medium in the direction of the substrate, so that the pressure medium can be transported through a recess with less effort by a doctor blade. This allows a longer service life of the screen stencil can be achieved.
  • the wall of the first recess is oriented in the region of the outlet opening with respect to the first underside of the screen printing stencil in an angular range of greater than 0 ° and less than 90 °.
  • a "tear-off edge" is formed, which makes it possible to shear the printing medium in a predetermined manner and prevents complete adhesion of the printing medium in the first recess.
  • the wall of the first recess between its inlet opening and outlet opening is oriented with respect to the underside of the first screen stencil layer in an angular range of greater than 0 ° and less than 90 °.
  • there is an obliquely inclined to the bottom first recess so that when a movement of the doctor a preferred direction exists, in which the printing medium can be easily transported into the first recess.
  • the tear-off edge is also present in this embodiment.
  • the shearing of the pressure medium can continue to be promoted.
  • At least one of the recesses is provided with a coating.
  • the coating reduces the passage area for the print medium and allows a print job with even smaller dimensions, wherein the coating has at least a thickness of 5% of the smallest cross-sectional width of the recess and the coating has a contact angle with water in a range of 0 ° to 90 °.
  • a contact angle is the angle formed by a drop of liquid on the surface of a solid to this surface.
  • the liquid or pasty pressure medium thus forms a relatively good interaction with the surface of the coating, so that a large part of the Pressure medium adhered in the thus coated recesses when the screen printing form is removed from the substrate to be printed. This is made even easier by the action of the tear-off edge, so that a homogeneous layer thickness can be printed without too much material being printed on the substrate from the recesses of the upper side.
  • the recess is provided with a coating so that the coating reduces the passage area for the printing medium and allows a print job with even smaller dimensions, the coating at least a thickness of 5% of the smallest
  • Has cross-sectional width of the recess and the coating has a contact angle with respect to water in a range of greater than 90 ° to 150 °. In this case, only a small interaction of the pressure medium to the surface of the coating forms. The pressure medium can be conveyed into the recess with less resistance. In addition, after pressing the pressure medium and removing the
  • the first screen stencil sheet and the second screen stencil sheet may be integrally formed.
  • the second screen stencil sheet may be formed from a screen stencil sheet that is separate from the first screen stencil sheet.
  • This separate Siebdruckschablonenlage can be worked out of a photosensitive layer or formed from an emulsion based on Polyvenyalkohol, a capillary film or a solid resist.
  • the separate Siebdruckschablonenlage may also have a metal layer which is applied by electroplating.
  • FIG. 1 shows a cross section of a first screen printing stencil layer of the invention
  • Screen printing stencil 2 shows a cross section of the first screen printing stencil layer of the invention
  • Screen printing stencil with a printing medium 3 shows a cross section of the first screen printing stencil layer of the invention
  • Screen printing stencil with a printing medium and a side view of a printed substrate shows a cross section of a first embodiment with the first
  • Fig. 5 shows a cross section of a second embodiment of the invention
  • FIG. 1 shows a cross section of a first screen printing stencil layer 50 of a screen printing stencil according to the invention.
  • the screen printing stencil layer 50 has a first recess 1, wherein it is provided on the first upper side 2 with a pressure medium inlet opening 3 and on the first lower side 4 with a pressure medium outlet opening 5.
  • the first screen-printing stencil layer 50 is designed in such a way that, when projected along the projection direction 6 perpendicular to this surface 7, the surface 7 of the inlet opening 3 overlaps at most partially with the surface 8 of the outlet opening 5. This means that either no overlap of the two surfaces 7 or 8 or only a partial overlap of the two surfaces 7 or 8 is present.
  • the area in which the areas 7 and 8 partially overlap is referred to below as coverage area 9.
  • This overlapping area 9 is always smaller than the area 7 or 8.
  • the overlapping area 9 has a size which is not more than 30% of the area 7 or area 8.
  • the first recess 1 is thus inclined along its entire length from the first top 2 to the first bottom 4 of the screen printing stencil 100.
  • a printing medium 30 can be introduced more easily into this inclined first recess 1 than in the case of a recess which is perpendicular to the top side of the first
  • FIG. 2 shows a printing medium 30 which has been conveyed by means of a doctor blade 10 into the first recess. The doctor was pulled in the direction of movement 11 near the first top 2 of the screen printing stencil layer 50 along.
  • the printing medium 30, which has been completely introduced into the first recess 1, has reached and touches the surface of a substrate 20 mounted under the first screen-printing stencil layer 50.
  • the edge 12 on the bottom surface 4 acts as a tear-off edge so that the print medium at that edge begins to shave, see Figure 3.
  • the proportions of the printing medium 30 on the substrate and in the first screen printing stencil layer 50 are predetermined and well reproducible due to the tear-off edge, so that a uniform application of the printing medium to the substrate 20 is achieved.
  • FIG. 4 shows a screen printing stencil 100 according to a first embodiment.
  • the screen-printing stencil 100 has a first screen-printing stencil layer 50 and a second screen-printing stencil layer 51, which are fixedly connected to one another.
  • the screen-printing stencil 100 has a first screen-printing stencil layer 50 and a second screen-printing stencil layer 51, which are fixedly connected to one another.
  • Screen printing stencil 100 has two first recesses 1 in the first screen stencil layer 50, these first recesses 1 ending at a first underside 4.
  • a second screen printing stencil layer 51 having a second recess 52 is formed such that there is a gradation, so that the screen printing stencil 100 has a second upper side 53 and second lower side 54.
  • the second recess 52 has a wall which is oriented perpendicular to the second top 53 and second bottom 54.
  • the second upper side 53 is connected to the first lower side 4 of the first screen-printing stencil layer 50.
  • In this area between the first bottom 4 and the second bottom 54 may be from the first top 2 through the recesses 1 and the second recess 52 pressed through pressure medium accumulate 30 and form a relatively wide print job 31 on the substrate 20.
  • the first screen printing stencil layer 50 may be integrally formed with the second screen stencil layer 51, see FIG. 5.
  • the second screen stencil layer 51 may then be produced by working out a gradation from a single stencil material.
  • a separate screen stencil sheet 51 is combined with the first screen stencil sheet 50 to form a screen printing stencil 100, as shown in FIG.
  • Such a separate screen printing stencil layer 51 can be, for example, a polyvinyl alcohol-based photosensitive emulsion layer, a capillary film or solid state resist, into which the gradation is introduced by means of lithographic processes.
  • the separate screen printing stencil layer 51 can also be realized by structured electroplating by forming on the first underside 4 a temporarily existing shape into which the separate screen printing stencil layer is galvanized. The electroplating mold is removed again after the coating.
  • elevations 33 are formed on the print job 31 at the locations at which the outlet openings 5 of the first recesses 1 were present.
  • the elevations 33 are relatively low due to the pressure medium 30 sheared in the first recesses 1, so that a relatively uniform height of the pressure application 31 along its width can be achieved.
  • Fig. 4 the triangular portions 32 of the printing medium 30 are shown with a dashed line, which remain immediately after removal of the screen printing stencil 100 from the substrate 20 initially. If the pressure medium has a sufficient viscosity, which allows a flow even without further force, but it comes at the top of the print job 31 to a lateral flow of the triangular portions 32 of the print medium 30, so that there is a nearly balanced height profile of the print job 31 and remain relatively low elevations 33. Of course, this effect of a print job with a virtually uniform height also occurs in the same way in the case of a screen-printing stencil which, contrary to the embodiment according to FIG. 4, has only a single first recess 1.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Textile Engineering (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Printing Methods (AREA)
  • Screen Printers (AREA)

Abstract

L'invention concerne un pochoir de sérigraphie comprenant une première couche de pochoir (50) qui présente une première face supérieure et une première face inférieure (u). Le pochoir comprend un premier évidement (1) qui s'étend de la première face supérieure à la première face inférieure, ce premier évidement comportant un orifice d'entrée de fluide d'impression sur la première face supérieure et un orifice de sortie de fluide d'impression (5) sur la première face inférieure, la surface de l'orifice d'entrée et la surface de l'orifice de sortie étant au maximum partiellement superposées dans un plan de projection perpendiculaire à la surface de l'orifice d'entrée. Le pochoir comprend une seconde couche de pochoir (51) qui présente une seconde face supérieure et une seconde face inférieure (54), la seconde face supérieure de la seconde couche du pochoir étant reliée à la première face inférieure de la première couche du pochoir. La seconde couche du pochoir comprend un second évidement (52), de sorte qu'un fluide d'impression appliqué sur la première face supérieure de la première couche du pochoir peut s'écouler à travers les premier et second évidements de manière à atteindre un substrat pouvant être placé en dessous.
PCT/DE2010/000642 2009-06-09 2010-06-09 Pochoir de sérigraphie WO2010142273A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010800253077A CN102458870A (zh) 2009-06-09 2010-06-09 丝网印刷模板

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910024875 DE102009024875A1 (de) 2009-06-09 2009-06-09 Siebdruckschablone
DE102009024875.7 2009-06-09

Publications (1)

Publication Number Publication Date
WO2010142273A1 true WO2010142273A1 (fr) 2010-12-16

Family

ID=42664560

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2010/000642 WO2010142273A1 (fr) 2009-06-09 2010-06-09 Pochoir de sérigraphie

Country Status (4)

Country Link
CN (2) CN201824626U (fr)
DE (2) DE102009024875A1 (fr)
TW (1) TW201107151A (fr)
WO (1) WO2010142273A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9402548B2 (en) 2011-03-04 2016-08-02 Stefan Thalhammer Radiation detector and measurement device for detecting X-ray radiation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009024875A1 (de) * 2009-06-09 2010-12-16 Nb Technologies Gmbh Siebdruckschablone
DE102014006563B4 (de) * 2014-05-07 2017-05-11 Nb Technologies Gmbh Imprintstempel sowie Verfahren zur Herstellung und Anwendung eines Imprintstempels

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997048117A1 (fr) * 1996-06-11 1997-12-18 Philips Electronics N.V. Creation d'elements colores sur des substrats au moyen d'un procede de serigraphie ou d'impression au pochoir
EP1302314A1 (fr) * 2001-10-12 2003-04-16 Daniel Mahler Forme pour l'impression sérigraphique et procédé pour sa fabrication
JP2005096400A (ja) * 2003-09-05 2005-04-14 Ricoh Microelectronics Co Ltd 印刷マスク製造方法

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
GB1337578A (en) * 1969-12-17 1973-11-14 Du Pont Method of decreasing the wettability of surfaces
US5361695A (en) * 1991-07-08 1994-11-08 Danippon Screen Mfg. Co., Ltd. Screen printing plate for limiting the spread of ink on an object
FR2722138B1 (fr) * 1994-07-07 1996-09-20 Bourrieres Francis Pochoir de serigraphie et procede pour le realiser
JPH09277487A (ja) * 1996-02-16 1997-10-28 Riso Kagaku Corp 感熱孔版原紙の製版方法並びにそれに用いる感熱孔版原紙及び組成物
JP2000168256A (ja) * 1998-12-02 2000-06-20 Ricoh Microelectronics Co Ltd 印刷マスク及び印刷マスクの製造方法
DE10200181A1 (de) * 2001-10-12 2003-04-30 Daniel Mahler Siebdruckform sowie Verfahren zu deren Herstellung
DE10231698A1 (de) * 2002-03-26 2003-10-23 Fraunhofer Ges Forschung Verfahren zur Verbesserung des Transfers von Zusatzmaterial mittels einer Schablone auf einen Träger sowie zugehörige Schablone
TWI458648B (zh) * 2006-04-07 2014-11-01 Mitsubishi Paper Mills Ltd A method for manufacturing a photographic mask for printing a resin, and a screen printing mask for resin
JP2008078571A (ja) * 2006-09-25 2008-04-03 Fujifilm Corp クリーム半田の供給方法、印刷用マスク、及びその製造方法
DE102009024875A1 (de) * 2009-06-09 2010-12-16 Nb Technologies Gmbh Siebdruckschablone

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997048117A1 (fr) * 1996-06-11 1997-12-18 Philips Electronics N.V. Creation d'elements colores sur des substrats au moyen d'un procede de serigraphie ou d'impression au pochoir
EP1302314A1 (fr) * 2001-10-12 2003-04-16 Daniel Mahler Forme pour l'impression sérigraphique et procédé pour sa fabrication
JP2005096400A (ja) * 2003-09-05 2005-04-14 Ricoh Microelectronics Co Ltd 印刷マスク製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9402548B2 (en) 2011-03-04 2016-08-02 Stefan Thalhammer Radiation detector and measurement device for detecting X-ray radiation

Also Published As

Publication number Publication date
TW201107151A (en) 2011-03-01
CN201824626U (zh) 2011-05-11
CN102458870A (zh) 2012-05-16
DE202010007762U1 (de) 2010-08-26
DE102009024875A1 (de) 2010-12-16

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