Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
  • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
• • 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
• • 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
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
  • D06M23/16—Processes for the non-uniform application of treating agents, e.g. one-sided treatment; Differential treatment
• • 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
  • H05K1/00—Printed circuits
  • H05K1/02—Details
  • H05K1/03—Use of materials for the substrate
  • H05K1/038—Textiles
• • 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
  • H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
  • H05K3/027—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed by irradiation, e.g. by photons, alpha or beta particles
• • 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
  • H05K9/00—Screening of apparatus or components against electric or magnetic fields
  • H05K9/0073—Shielding materials
  • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
  • H05K9/009—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive fibres, e.g. metal fibres, carbon fibres, metallised textile fibres, electro-conductive mesh, woven, non-woven mat, fleece, cross-linked
• • D—TEXTILES; PAPER
  • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
  • D10B2401/00—Physical properties
  • D10B2401/16—Physical properties antistatic; conductive
• • 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
  • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
  • H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
  • H05K2201/0275—Fibers and reinforcement materials
  • H05K2201/029—Woven fibrous reinforcement or textile
• • 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
  • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
  • H05K2203/10—Using electric, magnetic and electromagnetic fields; Using laser light
  • H05K2203/107—Using laser light
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
  • Y10T442/2008—Fabric composed of a fiber or strand which is of specific structural definition
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
  • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
  • Y10T442/2418—Coating or impregnation increases electrical conductivity or anti-static quality

Definitions

• the invention relates to a thread formed at least on its outside of plastic, woven fabric. Furthermore, the invention relates to a device with at least one such tissue, the use of such a tissue for different applications and a method for producing a tissue.
• screen printing fabrics made of plastic threads are woven today for large-scale technical applications.
• the known screen printing fabrics are charged during handling, in particular during manufacture or during fastening, in particular sticking, to screen printing frames and during the actual screen printing process, statically.
• the static charge is particularly strong when unrolling the fabric from a roll, in an adhesive and coating process of the screen printing fabric and the doctoring during printing process by the frictional contact of the doctor blade with the screen printing fabric. In practice, the static charge leads to serious problems.
• DE-U-67 513 32 and DE-OS 23 263 06 it is known to completely coat plastic fabrics in order to increase the strength and rigidity.
• DE-C-32 270 20 discloses the sticking of insulated threads to a wire, DE-A-24 435 48 the incorporation of electrical control threads in fabric panels and from DE-A-43 240 66 it is known that such threads can lead to hardening and thus increased susceptibility to breakage of the tissue.
• DE 103 38 029 A1 describes a fabric for garments and a garment of such a fabric.
• the tissue is distinguished by two electrically conductive threads which are each surrounded by insulating material and which are connected to a central unit, which monitors an electrical property of the tissue so as to be able to detect damage to the tissue can.
• the present invention seeks to propose an alternative tissue.
• the fabric should be suitable for a variety of different applications. Very particular preference is given to an electrical conductivity, without the need to use already metallized threads or full metal threads for weaving the fabric. Furthermore, the object is to provide a device with such a tissue and a manufacturing method for such a tissue.
• the object is achieved in that at least one surface side of the fabric is partially coated metallically. Preferably, there is no further coating designed as an electrical conductor outside the metallic coating.
• the object is achieved by the use of at least one fabric designed according to the concept of the invention.
• the invention is based on the idea that, after weaving with an exclusively partial, i.e. fabric, made of plastic material, in particular PET or PA yarns, fabric is preferably made of a material. not to provide full-surface electrically conductive coating.
• tissue at least one electrical conductor (flat conductor) realized. It is therefore created a, in particular flexible, printed circuit board based on fabric, which is suitable for a variety of purposes.
• at least one electrical conductor preferably in the form of a resistance impact or in the form of a conductor network, realized by a metallic coating and not by the threads themselves.
• the fabric consists exclusively of threads which are formed on the outside of plastic and even more preferably made of plastic material.
• the conductor produced by coating can be used to dissipate static charge, ie to ground the screen printing fabric, in order to prevent the screen printing fabric from "sticking" to objects It is very particularly preferred if the screen printing fabric is grounded from at least partially metallic frames, in particular aluminum, whereby a direct contacting of the screen printing fabric with a grounding cable is also conceivable.
• the fabric formed according to the concept of the invention is not limited to the screen printing applications described above.
• the fabric as a sieve fabric in a screening machine and to use the at least one, preferably only one, particular special designed as a resistive coil by coating, conductors with a monitoring device, in particular a continuity tester, electrically conductively connect to monitor the mesh to damage.
• the fabric in particular as a component of a sensor, or as an electrode, or as an electrical line, or as a reflective layer, or as an optically semi-permeable layer, or as an electrically conductive adhesive layer, or as a heating element, or as part of a lighting device, or as, in particular flexible, printed circuit board, or as an antenna, in particular for RFID applications, or as a component of a solar cell, or as part of a fuel cell, or as part of a plasma display, or as part of a liquid crystal display, or as part of an OLED, or as part of a flexible display, or as part of an organic thin film transistor are alternatively conceivable. Further fields of application are possible.
• the coating there are different possibilities. So it is basically sufficient for the function of the coating for charge dissipation to provide the coating only on one surface side of the screen printing fabric. It is also conceivable to apply the coating on both sides in order to avoid the risk of incorrect assembly. Very particular preference is the only one-sided application of conductor tracks in order to avoid short circuits between different interconnects on different lent pages of the fabric.
• the partial metallic coating can consist of a single metal layer.
• a multilayer structure hybrid coating
• at least one of the layers is / are formed as a metal layer, preferably all layers as a metal layer.
• the outermost layer of a multilayer coating is formed of a chemically resistant material, in particular chromium, in particular if the fabric is suitable for screen printing. used.
• the outermost layer should be designed such that it is resistant to aggressive solvents, stripping, color removers, paints and / or cleaning agents.
• a cost-effective metal layer in particular made of aluminum of an aluminum alloy, copper or a copper alloy is provided. If necessary, at least one layer or transition between two layers may be formed as a gradient layer.
• the partial metallic coating is designed as a conductor track structure, wherein one or more interconnects that are separate from one another or are interconnected or connectable to one another are realized. It is particularly preferred if a branched conductor track is provided for complex applications. It is also conceivable to realize a loop-shaped formation of the conductor track, which winds over, at least approximately, the entire surface extension in order to be able to monitor the tissue for damage.
• the at least one, preferably only one, conductor track is preferably contacted with a monitoring device.
• the at least one conductor track is contacted with an electrical and / or electronic component, preferably arranged on the fabric, for example, connected by reflow soldering.
• the coating comprises at least one of the metals of the group: silver, copper, aluminum, nickel, molybdenum, gold, titanium or chromium is formed from such a metal. It is also conceivable that the coating comprises an alloy of at least one such metal or is formed from an alloy comprising at least one of these metals. Basically, the use of other metals is feasible.
• the fabric may comprise threads formed of solid metal and / or threads with a metallic core or with a metallic sheath. Most preferably, however, the fabric is woven exclusively from filaments consisting of polymer material, in particular PET or PA.
• the coating thickness is just as thick as is absolutely necessary for the corresponding application.
• the coating serves for charge dissipation, if the thickness of the single- or multilayer coating is selected from a value range between approximately 10 nm or approximately 1000 nm. Most preferably, the coating thickness is in a range between about 20 nm and about 500 nm. It is further preferred if the diameter of the plastic filaments before coating from a value range between about 10 .mu.m and about 1000 .mu.m, preferably between about 24 .mu.m and about 200 ⁇ m, is selected.
• the fabric is woven as Taffetgewebe or as twill fabric.
• the fabric is a monofilament fabric, which is preferably woven exclusively from monofilament.
• the fabric according to the invention is not only suitable for use as a screen printing fabric, but can also be used, for example, as a filter fabric or as a screen fabric, wherein it is even more preferable to use such a tissue with a monitoring device for monitoring the tissue for damage, in particular Fracture or crack formation, to connect.
• a monitoring device for monitoring the tissue for damage, in particular Fracture or crack formation, to connect.
• This preferably uses the electrical conductivity of, preferably linear, in particular applied in loops, electrical coating.
• a particularly preferred possibility for forming the monitoring device is to use these as known per se, electrical continuity tester, preferably based on a resistance measuring device, which outputs a warning signal upon detection of damage, or a control signal (in particular stop signal) for a device, in particular a printing device, a tensioning device, or a screening machine, etc.
• the monitoring device In the case of forming the monitoring device as a continuity tester, it is preferable to connect the monitoring device with two spaced apart ends of the pattern-shaped, preferably in the manner of a linear conductor, applied coating.
• the invention also leads to a device comprising at least one fabric designed according to the concept of the invention.
• the device can be, for example, a screen printing device or a screening device (screening machine).
• the device may be configured as a sensor or comprise a sensor, or comprise a cable or a cable, or as a heater, or as a lighting device, or as, in particular flexible, printed circuit board, or as a solar cell, or as a fuel cell, or as a particularly flexible display , or as an OLED, or as a transistor, or as an electronic component, etc.
• the invention also leads to a method for producing a fabric as described above.
• the method is characterized in its general form by the steps of: Providing a tissue which, at least on its outside, is made of
• Plastic trained threads is woven and • generating a partial metallic coating of at least one
• the partial metallic coating that is to say the production of at least one conductor track, to whose sides preferably no, at least no electrically conductive, coating is provided, can take place in a very wide variety of ways. So it is conceivable, specifically only a coating in certain areas apply, alternatively, first a full-surface coating, which in order to remove this metallic coating then in a subsequent step in the areas where no metallic coating is to be provided again.
• a first possibility for producing the partial mechanical coating is that the tissue is first provided with a mask (mask coating).
• a protective layer in particular a protective lacquer, for example a polymer, is partially provided at first, or the tissue is partially coated with such a protective layer, which prevents the adhesion of the electrically conductive coating to the tissue.
• the protective layer can be removed after the metalization process together with the metal applied thereon, preferably washed out.
• the mask i. of the, preferably at least initially fluid, mask material
• the mask can be applied, for example, by screen printing or ink jet printing, and preferably only in those areas in which the metallic coating should not adhere.
• the tissue is thus partially provided with a mask.
• the mask material is water soluble to remove the mask together with the metal thereon by means of steam and / or water, preferably by steam blasting and / or water pressure blasting.
• the fabric is dried in a subsequent step, in particular by applying air, in particular warm air.
• An alternative possibility for producing the partial coating is when the fabric, preferably over the entire surface, is coated metallically, for example by sputtering, galvanically, chemically (ie without power) or vapors and that the coating is then partially removed in the areas where no metallic coating is to be provided.
• Etching agents such as, for example, an acid, in particular in pastes or in solution form or as an ink, are used, and the etchant can be applied, for example by screen printing or inkjet printing.
• the etchant is removed together with the areas of the, preferably chemically modified, in particular oxidized, coating, for example by means of water and / or steam, in particular by means of water irradiation and / or steam irradiation, wherein it is further preferred to dry the tissue then provided with an electrical lead.
• Another alternative for producing the partial metallic coating is when, after a, preferably full-surface, coating of the fabric with at least one metal, the coating is partially removed again with energy-rich radiation, in particular by laser irradiation.
• FIG. 1 shows a first method step for producing a partial mechanical coating, wherein a mask in areas which are not to be coated in the finished fabric, with a
• Masking material is coated by printing, 2 shows the fabric coated with the mask after a drying process, whereupon the fabric provided with the mask is metallized over the entire surface,
• FIG. 4 shows a partially metallized fabric and a metallized fabric in the form of a screen printing fabric which, together with a screen printing frame, forms a screen printing device or screen printing arrangement which is grounded via the frame, alternatively directly via the conductor track of the fabric.
• FIG. 5 shows a method step of an alternative method for producing the partial metal coating, wherein a full-surface metallized tissue is partially coated with an etchant
• FIG. 8 shows a method step of an alternative production method, in which a fabric coated over the entire area is partially processed by means of laser irradiation in order to partially remove the metal coating and to obtain the partial metal coating.
• FIG. 1 shows a method step of a possible production method for producing a partially metallically coated fabric 1 shown in FIG. 4 above.
• an uncoated fabric 1 ' is provided as a fabric web.
• This uncoated fabric 1 ' comprises, preferably consists of, threads 2 (weft threads and warp threads) which are formed at least on their outer surface from polymer material (plastic).
• Fig. 1 is shown schematically that in a direction transverse to the longitudinal extent of the fabric web printing direction 3, here by means of a screen printing process (alternatively, for example, ink jet printing method) a mask 4, i. a masking material is applied (in this case curled) in areas which are not coated, at least non-metallically, in the finished, partially coated fabric 1 (see Fig. 4).
• a mask 4 i. a masking material is applied (in this case curled) in areas which are not coated, at least non-metallically, in the finished, partially coated fabric 1 (see Fig. 4).
• the mask 4 is dried, for example by aeration and / or in a drying oven, followed by the method step shown in FIG. 2, in which a metallization, ie. a metallic coating 5 is applied, which is symbolized by the arrows 6.
• a metallization ie. a metallic coating 5 is applied, which is symbolized by the arrows 6.
• the application of the metallic layer - here only on a surface side 7 - can be done for example by vapor deposition or sputtering. Obtained is a full-surface coated fabric 1 ".
• the cleaning step shown in FIG. 3 follows, in which the mask 4 with metallic coating located thereon is removed from the plastic fabric by water and / or steam irradiation 8.
• a screen printing assembly 10 comprising a metallic screen frame 11, formed in particular of aluminum, and a partially coated, i. shown provided with a conductor 12 tissue.
• the conductor track 12 or the conductor track structure 12 is electrically contacted with the screen printing frame 11, wherein this is grounded (see reference numeral 13). Additionally or alternatively, the conductor track structure 12 can be grounded directly.
• a manufacturing step of an alternative manufacturing method is shown.
• the process step shown in FIG. 5 was preceded by a metallization step in which a first uncoated fabric was completely metallically coated.
• an etching agent 14 is applied to the full-area coated fabric 1 "in a printing direction 3 extending transversely to the longitudinal extent of the fabric web by screen printing or alternatively, for example inkjet printing, which areaally chemically attacks the metallization and the etchant 14 in the following process step can be washed out together with the dissolved metal by steam and / or water irradiation, so that the partially coated fabric 1 shown in FIG.
• Fabric 1 is characterized by a printed conductor structure 12 and also by non-coated regions 15. These regions 15 are the regions in which etchant 14 was previously applied, followed by a drying step in which the fabric 1 is washed.
• FIG. 8 shows a method step of a further alternative production method.
• the processing step shown in FIG. 8 was preceded by a coating step in which the initially uncoated fabric was provided with a metallization over its entire surface.
• a metallic coating is partially removed, so that a printed conductor structure 12 is obtained. The removal takes place by means of high-energy radiation 16, here by means of laser radiation.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Mechanical Engineering (AREA)
• Electromagnetism (AREA)
• Physics & Mathematics (AREA)
• Manufacturing & Machinery (AREA)
• Chemical Or Physical Treatment Of Fibers (AREA)
• Printing Plates And Materials Therefor (AREA)
• Woven Fabrics (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
• Manufacturing Of Printed Wiring (AREA)

Applications Claiming Priority (3)

Publications (1)

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Family Applications (1)

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Families Citing this family (23)

Family Cites Families (12)

• 2008
  • 2008-11-13 DE DE200820017480 patent/DE202008017480U1/de not_active Expired - Lifetime
  • 2008-11-13 DE DE200810057303 patent/DE102008057303A1/de not_active Withdrawn
• 2009
  • 2009-11-11 CN CN2009801497470A patent/CN102245827A/zh active Pending
  • 2009-11-11 EP EP09771696A patent/EP2356275A2/de not_active Withdrawn
  • 2009-11-11 JP JP2011535912A patent/JP2012508831A/ja active Pending
  • 2009-11-11 US US13/128,974 patent/US20110217892A1/en not_active Abandoned
  • 2009-11-11 WO PCT/EP2009/008038 patent/WO2010054805A2/de active Application Filing

Non-Patent Citations (1)

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