EP1716581A1 - Three-dimensional flat cable - Google Patents
Three-dimensional flat cableInfo
- Publication number
- EP1716581A1 EP1716581A1 EP05701125A EP05701125A EP1716581A1 EP 1716581 A1 EP1716581 A1 EP 1716581A1 EP 05701125 A EP05701125 A EP 05701125A EP 05701125 A EP05701125 A EP 05701125A EP 1716581 A1 EP1716581 A1 EP 1716581A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flat cable
- layer
- adhesive
- cable according
- laminate
- 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.)
- Withdrawn
Links
- 239000010410 layer Substances 0.000 claims abstract description 49
- 239000004020 conductor Substances 0.000 claims abstract description 26
- 239000012790 adhesive layer Substances 0.000 claims abstract description 22
- 230000005855 radiation Effects 0.000 claims abstract description 3
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 239000004745 nonwoven fabric Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229920001169 thermoplastic Polymers 0.000 claims description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims description 7
- 239000004823 Reactive adhesive Substances 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920010524 Syndiotactic polystyrene Polymers 0.000 claims description 2
- 239000002313 adhesive film Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 239000004917 carbon fiber Substances 0.000 claims 2
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000000806 elastomer Substances 0.000 claims 1
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000011521 glass Substances 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 1
- 239000011888 foil Substances 0.000 description 12
- 229920000139 polyethylene terephthalate Polymers 0.000 description 9
- 239000005020 polyethylene terephthalate Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 239000010408 film Substances 0.000 description 7
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000013039 cover film Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 229920001634 Copolyester Polymers 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000011112 polyethylene naphthalate Substances 0.000 description 3
- 239000010949 copper Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
- H01B7/0838—Parallel wires, sandwiched between two insulating layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/003—Apparatus or processes specially adapted for manufacturing conductors or cables using irradiation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
- H01B13/01254—Flat-harness manufacturing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
- H01B3/50—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials fabric
Definitions
- the invention relates to a three-dimensional (3D) shaped flat cable.
- a method for producing a cable set for vehicles in which the cables are glued to a carrier film and provided with plugs and attached to a dimensionally stable carrier, at least some of the cables being made of non-insulated stranded conductors consist of one after the other and independently of one another on an insulating carrier film provided with an adhesive layer along a predetermined line and then either place an insulating protective film on the carrier film and glued to the carrier film by applying pressure or cover the carrier film and the applied stranded conductors with a protective lacquer layer and finally adapted to the contour of the place of use by trimming.
- a disadvantage of this method is the labor-intensive laying of the conductor tracks and their fixing to the dimensionally stable support.
- the invention has set itself the task of specifying three-dimensionally shaped flat cable and a method for manufacturing which avoids the disadvantages of the known solutions and which in the intermediate step allows the production of dimensionally stable flat cables which are only placed in their installation location in a second step.
- a flat cable consisting of a laminate which consists of a conductor layer integrated between at least the covering layer and an at least carrier layer, at least one adhesive layer being present for connecting the layers and which is applied to a positive mold and using
- the carrier layer can consist of metal or plastic foils, of a textile-like fabric formed from plastic or glass fibers, or of a porous layer. Films are to be understood as those with a layer thickness of approximately 0.010 to 2 mm.
- a thermoplastic adhesive, a thermoplastic adhesive film, an adhesive nonwoven with a melting point T m ⁇ 210 ° C. and / or a latent reactive adhesive with a crosslinking temperature ⁇ 210 ° C. is preferably used as the adhesive layer.
- Adhesive layers of this type make it possible to firmly connect the flat cable layer to the carrier layer and to form it into an intermediate molded part.
- porous layer serving for covering can also be provided.
- the porous layer advantageously consists of a nonwoven fabric or fabric made of polymeric fibers.
- cover layer made of a nonwoven layer, which consist only of polyester, polyamide, polyolefin, syndiotactic polystyrene, polysulfone and / or glass fibers and whose pores between the fibers or filaments are so strongly filled with a binder that a Dielectric strength of at least 500 V.
- the flat cable according to the invention can be back-injected at least partially with a thermoplastic. This makes it possible to manufacture parts designed at the installation location.
- the conductors of the conductor track are advantageously exposed at least in partial areas of their surface to form contact fields before lamination.
- a flat cable that is equipped with electronic components is particularly preferred.
- functionally finished electronic built-in parts can be produced in a very rational manner.
- the 3D flat cables are produced as intermediate parts in such a way that the laminate consisting of a conductor layer embedded between at least one cover, adhesive and carrier layer is applied to a positive mold, aligned and using heat, radiation and / or pressure in Formed and fixed in its shape by cooling below the glass temperature T g of the adhesive layer or curing of the adhesive layer. For example, a negative pressure is applied to the back of the laminate.
- the shape of the laminate parts fixed in shape is preferably reworked by punching, milling or cutting and installed in a separate step at their place of use or at least partially back-injected with a thermoplastic for better assembly in an injection molding process.
- a metal foil, mesh or mesh is preferably used in the lamination process and / or in the molding tool to equalize the temperature.
- the laminate parts can be pressed onto the wall of the molding tool and fixed in shape in at least one partial area by the thermoplastics hitting its surface when the injection molding process is carried out. This simplifies the shape definition.
- the nonwoven fabric used for the process mentioned is preferably polyester or polyamide which has a thickness of 0.1 to 2 mm, a tear strength of 50 to 250 N / 50 mm and an elongation of 30 to 50%.
- the adhesive fleece used as the adhesive layer should have a softening temperature between 120 and 210 ° C, its basis weight should be between 35 and 600 g / m 2 depending on the desired shape stability and it should have a low melt index. The invention is illustrated below using the examples. example 1
- a flexible, three-dimensionally shaped flat cable consisting of two polyethylene terephthalate (PET) spunbonded nonwovens, is produced by adding between the spunbonded nonwovens the electrical signal conductors with a thickness of 35 ⁇ m with a distance between the signal conductors of 2.54 mm using a copolyamide adhesive Laminated 140 ° C.
- PET polyethylene terephthalate
- This laminate is fixed on a positive mold under temperature and pressure. After cooling, the laminate is removed as a shaped flat cable.
- Table 1 The properties of the components used are summarized in Table 1.
- a flexible, three-dimensionally shaped flat cable consisting of two PET spunbonded nonwovens, is produced by placing the electrical signal conductors with a thickness of 35 ⁇ m between the spunbonded nonwovens with a distance between the signal conductors of 2.54 mm using a copolyamide adhesive at 140 ° C laminated on a positive mold. After cooling, the laminate is removed as a shaped flat cable.
- the properties of the components used are summarized in Table 1.
- a flexible, three-dimensionally shaped flat cable consisting of a PET
- Spunbonded nonwovens as a covering layer, a PET spunbonded nonwovens as a carrier layer, a 100 ⁇ m aluminum foil as a heat distribution layer is produced by using the electrical signal conductors with a thickness of 35 ⁇ m laminated.
- the adhesive layer between the cover fleece and the signal conductors, preferably made of copper, and between the signal conductors and the aluminum foil, and between the aluminum foil and the carrier fleece, is a copolyamide with a melting point of 125 ° C.
- the finished laminate is fixed on a positive mold and shaped at 160 ° C for 30 seconds. After cooling, the laminate is removed as a shaped flat cable.
- Table 1 The properties of the components used are summarized in Table 1.
- a flexible, three-dimensionally shaped flat cable consisting of a polyethylene naphthalate (PEN) cover film, a PET spunbonded nonwoven as a carrier layer, is produced by laminating the electrical signal conductors with a thickness of 35 ⁇ m between the two layers.
- the adhesive layer between the cover foil and the signal conductors made of copper foil is a 2K reactive adhesive system based on polyester-polyurethane (PES-PU).
- the adhesive layer between the copper foil and the spunbonded nonwoven is a copolyester with a melting point of 135 ° C.
- the finished laminate is fixed on a positive mold and shaped at 160 ° C for 30 seconds. After cooling, the laminate is removed as a shaped flat cable.
- Table 1 The properties of the components used are summarized in Table 1.
- a flexible, three-dimensionally shaped flat cable consisting of a PEN cover film, a PET spunbonded nonwoven as a carrier layer, is produced by laminating the electrical signal conductors with a thickness of 35 ⁇ m between the two layers.
- the adhesive layer between the cover foil and the copper foil is a 2K reactive adhesive system on PES-PU Base.
- the adhesive layer between the Cu foil and the spunbonded nonwoven is a copolyester with a melting point of 135 ° C.
- the lamination step is carried out on a positive mold at 160 ° C. After cooling, the laminate is removed as a shaped flat cable.
- Table 1 The properties of the components used are summarized in Table 1.
- a flexible, three-dimensionally shaped flat cable consisting of a PET cover film, a PET spunbonded nonwoven as a carrier layer, an aluminum net or grid as a heat distribution layer, is produced by laminating the electrical signal conductors with a thickness of 35 ⁇ m between the two electrical insulation layers.
- a 2K reactive adhesive system based on PES-PU is used as the adhesive layer between the cover film and the signal conductor and between the signal conductor and the heat distribution layer.
- the adhesive layer between the aluminum foil and the spunbonded nonwoven is a copolyamide with a melting point of 125 ° C.
- the lamination step is carried out on a positive mold at 160 ° C. After cooling, the laminate is removed as a shaped flat cable.
- Table 1 The properties of the components used are summarized in Table 1.
- a flexible, three-dimensionally shaped flat cable consisting of a PEN cover foil, a 2 mm thick aluminum foil as the carrier layer, is produced by laminating the electrical signal conductors (Cu) with a thickness of 35 ⁇ m between the two layers.
- the layer of adhesive between the Cover foil and the Cu foil is a 2K reactive adhesive system based on PES-PU.
- the adhesive layer between the Cu foil and the aluminum foil is a copolyester with a melting point of 135 ° C.
- the finished laminate is fixed on a positive mold and shaped at 160 ° C for 30 seconds. After cooling, the laminate is removed as a shaped flat cable.
- Table 1 The properties of the components used are summarized in Table 1.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to a three-dimensional flat cable, to a method for the production thereof and to the use thereof. Said flat cable is made of a laminate which comprises at least one conductor path, which is bonded between two insulation layers, and at least one support layer, said layers being connected to each other by means of an adhesive layer. The laminate is placed on a positive forming tool and brought into shape by the application of heat, radiation and/or pressure, and fixed in the three-dimensional shape thereof by cooling to below the glass temperature Tg of the adhesive layer and/or by reactive hardening of the adhesive layer.
Description
Dreidimensional geformtes Flachkabel Beschreibung Three-dimensional flat cable description
Die Erfindung betrifft ein dreidimensional (3D) geformtes Flachkabel.The invention relates to a three-dimensional (3D) shaped flat cable.
Aus dem Dokument DE-A 196 49 972 ist ein Verfahren zur Herstellung eines Leitungssatzes für Fahrzeuge bekannt, bei dem die Leitungen mit einer Trägerfolie verklebt und mit Steckern versehen werden und an einem formstabilen Träger befestigt sind, wobei wenigstens einige der Leitungen aus nicht isolierten Litzenleitern bestehen, die nacheinander und unabhängig voneinander auf eine isolierende, mit einer Klebeschicht versehene Trägerfolie entlang einer vorgegebenen Linienführung aufgelegt und anschließend entweder auf die Trägerfolie eine isolierende Schutzfolie aufgelegt und mit der Trägerfolie durch Druckanwendung verklebt oder die Trägerfolie und die aufgelegten Litzenleiter mit einer Schutzlackschicht überzogen und abschließend durch Beschneiden an die Kontur des Einsatzortes angepaßt wird. Nachteilig an diesem Verfahren ist die arbeitsaufwendige Verlegung der Leiterbahnen und deren Fixierung an dem formstabilen Träger.From document DE-A 196 49 972 a method for producing a cable set for vehicles is known, in which the cables are glued to a carrier film and provided with plugs and attached to a dimensionally stable carrier, at least some of the cables being made of non-insulated stranded conductors consist of one after the other and independently of one another on an insulating carrier film provided with an adhesive layer along a predetermined line and then either place an insulating protective film on the carrier film and glued to the carrier film by applying pressure or cover the carrier film and the applied stranded conductors with a protective lacquer layer and finally adapted to the contour of the place of use by trimming. A disadvantage of this method is the labor-intensive laying of the conductor tracks and their fixing to the dimensionally stable support.
Aus dem Dokument DE-A 196 28 850 ist ein Kabelbaum und ein Verfahren zu seiner Herstellung bekannt, der Stromkabel besitzt, die in einer ersten Harzschicht mit Vertiefungen angeordnet sind, wobei die erste Harzschicht so
geformt ist, dass sie entlang einer vorbestimmten Verlegungsstrecke der Stromkabel verläuft und eine zweite Harzschicht, die fest mit der ersten Harzschicht verbunden ist, so dass sie zumindest die Vertiefung der ersten Harzschicht bedeckt und durch Vakuumformen angebracht ist.From document DE-A 196 28 850 a cable harness and a method for its production is known which has power cables which are arranged in a first resin layer with depressions, the first resin layer thus is shaped so that it runs along a predetermined route of the power cables and a second resin layer which is fixedly connected to the first resin layer so that it covers at least the recess of the first resin layer and is applied by vacuum molding.
Die bekannten Lösungen weisen den Nachteil auf, dass sie entweder in einem sehr arbeitsaufwendigen Prozess per Hand auf die Oberfläche des formstabilen Trägers aufgebracht werden müssen oder dass separate Teile hergestellt, die Leiter eingebracht und durch das zweite Harz in ihrer Lage fixiert werden müssen.The known solutions have the disadvantage that they either have to be applied to the surface of the dimensionally stable support by hand in a very labor-intensive process, or that separate parts have to be produced, the conductors introduced and the position fixed by the second resin.
Die Erfindung hat sich die Aufgabe gestellt dreidimensional geformtes Flachkabel sowie ein Verfahren zur Herstellung anzugeben, die die Nachteile der bekannten Lösungen vermeidet und die im Zwischenschritt die Herstellung von formstabilen Flachkabeln gestattet, die erst in einem zweiten Schritt an ihrem Einbauort plaziert werden.The invention has set itself the task of specifying three-dimensionally shaped flat cable and a method for manufacturing which avoids the disadvantages of the known solutions and which in the intermediate step allows the production of dimensionally stable flat cables which are only placed in their installation location in a second step.
Erfindungsgemäß wird die Aufgabe durch ein Flachkabel gelöst, bestehend aus einem Laminat, welches aus einer zwischen mindestens Abdeckschicht und einer mindestens Trägerschicht eingebundenen Leiterschicht besteht, wobei zur Verbindung der Schichten mindestens eine Klebeschicht vorhanden ist und das auf ein positives Formwerkzeug aufgebracht und unter Anwendung vonAccording to the invention the object is achieved by a flat cable consisting of a laminate which consists of a conductor layer integrated between at least the covering layer and an at least carrier layer, at least one adhesive layer being present for connecting the layers and which is applied to a positive mold and using
Wärme und Druck in Form gebracht sowie durch Abkühlung unter die Glastemperatur Tg der Klebeschicht oder reaktive Aushärtung der Klebeschicht in seiner dreidimensionalen Formgestalt fixiert ist. Ein solches 3D-Flachkabel ist auch als Zwischenteil vor dem Einbau lagerfähig. Die Trägerschicht kann aus Metall- oder Kunststoff-Folien, aus einem aus Kunststoff- oder Glasfasern gebildeten Textil ähnlichem Flächengebilde oder einer porösen Schicht bestehen. Dabei sind unter Folien solche mit einer Schichtdicke von etwa 0,010 bis 2 mm zu verstehen.
Vorzugsweise wird als Klebeschicht ein thermoplastischer Kleber, eine thermoplastische Klebefolie, ein Klebevliesstoff mit einem Schmelzpunkt Tm <210°C und/oder ein latent Reaktivkleber mit einer Vernetzungstemperatur <210°C eingesetzt. Klebeschichten dieser Art gestatten es, die Flachkabel- mit der Trägerschicht fest zu verbinden und zu einem Zwischenformteil zu formen.Heat and pressure brought into shape and is fixed in its three-dimensional shape by cooling below the glass temperature T g of the adhesive layer or reactive curing of the adhesive layer. Such a 3D flat cable can also be stored as an intermediate part before installation. The carrier layer can consist of metal or plastic foils, of a textile-like fabric formed from plastic or glass fibers, or of a porous layer. Films are to be understood as those with a layer thickness of approximately 0.010 to 2 mm. A thermoplastic adhesive, a thermoplastic adhesive film, an adhesive nonwoven with a melting point T m <210 ° C. and / or a latent reactive adhesive with a crosslinking temperature <210 ° C. is preferably used as the adhesive layer. Adhesive layers of this type make it possible to firmly connect the flat cable layer to the carrier layer and to form it into an intermediate molded part.
Zur besseren Handhabung kann weiterhin eine der Abdeckung dienende weitere poröse Schicht vorgesehen sein. Die poröse Schicht besteht vorteilhafter Weise aus einem Vliesstoff oder Gewebe aus polymeren Fasern.For better handling, a further porous layer serving for covering can also be provided. The porous layer advantageously consists of a nonwoven fabric or fabric made of polymeric fibers.
Besonders bevorzugt ist eine Abdeckschicht aus einer Vliesstoffschicht, die lediglich aus Polyester-, Polyamid-, Polyolefin-, syndiotaktischen Polystyren-, Polysulfon- und/oder Glasfasern bestehen und deren Poren zwischen den Fasern oder Filamenten so stark mit einem Bindemittel gefüllt sind, dass eine Durchschlagsfestigkeit von mindestens 500 V.Particularly preferred is a cover layer made of a nonwoven layer, which consist only of polyester, polyamide, polyolefin, syndiotactic polystyrene, polysulfone and / or glass fibers and whose pores between the fibers or filaments are so strongly filled with a binder that a Dielectric strength of at least 500 V.
Das erfindungsgemäße Flachkabel kann zumindest teilweise mit einem Thermoplast hinterspritzt sein. Damit ist die Herstellung an den Einbauort gestalteter Teile möglich.The flat cable according to the invention can be back-injected at least partially with a thermoplastic. This makes it possible to manufacture parts designed at the installation location.
Vorteilhafter Weise sind die Leiter der Leiterbahn vor der Laminierung zumindest in Teilbereichen ihrer Oberfläche zur Bildung von Kontaktfeldern freigelegt.The conductors of the conductor track are advantageously exposed at least in partial areas of their surface to form contact fields before lamination.
Besonders bevorzugt ist ein Flachkabel, das mit elektronischen Bauelementen bestückt ist. Dadurch können in sehr rationeller Weise funktionstechnisch fertige elektronische Einbauteile hergestellt werden.
Die Herstellung der 3D-Flachkabel als Zwischenteile erfolgt in der Weise, dass das Laminat bestehend aus einer zwischen mindestens einer Abdeck-, Klebe- und Trägerschicht eingebundene Leiterschicht auf ein positives Formwerkzeug aufgebracht, ausgerichtet und unter Anwendung von Wärme, Strahlung und/oder Druck in Form gebracht sowie durch Abkühlung unter die Glastemperatur Tg der Klebeschicht oder Aushärtung der Klebeschicht in seiner Formgestalt fixiert wird. Als Druck wird beispielsweise ein Unterdruck an der Rückseite des Laminats angelegt.A flat cable that is equipped with electronic components is particularly preferred. As a result, functionally finished electronic built-in parts can be produced in a very rational manner. The 3D flat cables are produced as intermediate parts in such a way that the laminate consisting of a conductor layer embedded between at least one cover, adhesive and carrier layer is applied to a positive mold, aligned and using heat, radiation and / or pressure in Formed and fixed in its shape by cooling below the glass temperature T g of the adhesive layer or curing of the adhesive layer. For example, a negative pressure is applied to the back of the laminate.
Vorzugsweise werden die in ihrer Formgestalt fixierten Laminatteile durch Stanzen, Fräsen oder Schneiden nachbearbeitet und in einem separaten Schritt an ihrem Einsatzort eingebaut oder zur besseren Montage zumindest teilweise in einem Spritzgußverfahren mit einem Thermoplast hinterspritzt.The shape of the laminate parts fixed in shape is preferably reworked by punching, milling or cutting and installed in a separate step at their place of use or at least partially back-injected with a thermoplastic for better assembly in an injection molding process.
Zur Temperaturvergleichmäßigung wird vorzugsweise eine Metallfolie, -gitter oder -netz beim Laminierungsprozeß und/oder im Formwerkzeug eingesetzt.A metal foil, mesh or mesh is preferably used in the lamination process and / or in the molding tool to equalize the temperature.
DSe Laminatteile können in zumindest einem Teilbereich durch die bei der Durchführung des Spritzgußverfahrens auf seine Oberfläche auftreffenden Thermoplasten an die Wandung des Formwerkzeugs angepresst und formfixiert werden. Die Formfiκierung wird dadurch sehr vereinfacht.The laminate parts can be pressed onto the wall of the molding tool and fixed in shape in at least one partial area by the thermoplastics hitting its surface when the injection molding process is carried out. This simplifies the shape definition.
Als Vliesstoff für das genannte Verfahren werden vorzugsweise solche aus Polyester oder Polyamid eingesetzt, die eine Dicke von 0,1 bis 2 mm, eine Reißfestigkeit von 50 bis 250 N/50rrm und eine Dehnung von 30 bis 50% besitzen. Das als Klebeschicht eingesetzte Klebevlies sollte eine Erweichungstemperatur zwischen 120 und 210°C besitzen, sein Flächengewicht sollte je nach gewünschter Formstabilität zwischen 35 und 600 g/m2 liegen und es sollte einen niedrigen Schmelzindex aufweisen.
Die Erfindung wird nachfolgend an Hand der Beispiele dargestellt. Beispiel 1The nonwoven fabric used for the process mentioned is preferably polyester or polyamide which has a thickness of 0.1 to 2 mm, a tear strength of 50 to 250 N / 50 mm and an elongation of 30 to 50%. The adhesive fleece used as the adhesive layer should have a softening temperature between 120 and 210 ° C, its basis weight should be between 35 and 600 g / m 2 depending on the desired shape stability and it should have a low melt index. The invention is illustrated below using the examples. example 1
Ein flexibles, dreidimensional geformtes Flachkabel, bestehend aus zwei Polyethylenterephthalat (PET)-Spinnvliesstoffen, wird hergestellt, indem man zwischen die Spinnvliesstoffe die elektrischen Signalleiter mit einem Dicke von 35 μm mit einem Abstand der Signalleiter zueinander von 2.54 mm mit Hilfe eines Copolyamid-Klebstoffs bei 140°C einlaminiert. Dieses Laminat wird auf einem positiven Formwerkzeug unter Temperatur und Druck fixiert. Nach dem Abkühlen wird das Laminat als geformtes Flachkabel entnommen. Die Eigenschaften der eingesetzten Komponenten sind in der Tabelle 1 zusammengefaßt.A flexible, three-dimensionally shaped flat cable, consisting of two polyethylene terephthalate (PET) spunbonded nonwovens, is produced by adding between the spunbonded nonwovens the electrical signal conductors with a thickness of 35 μm with a distance between the signal conductors of 2.54 mm using a copolyamide adhesive Laminated 140 ° C. This laminate is fixed on a positive mold under temperature and pressure. After cooling, the laminate is removed as a shaped flat cable. The properties of the components used are summarized in Table 1.
Beispiel 2Example 2
Ein flexibles, dreidimensional geformtes Flachkabel, bestehend aus zwei PET- Spinnvliesstoffen, wird hergestellt, indem man zwischen die Spinnvliesstoffe die elektrischen Signalleiter mit einem Dicke von 35 μm mit einem Abstand der Signalleiter zueinander von 2.54 mm mit Hilfe eines Copolyamid-Klebstoffs bei 140°C auf einem positiven Formwerkzeug einlaminiert. Nach dem Abkühlen wird das Laminat als geformtes Flachkabel entnommen. Die Eigenschaften von den eingesetzten Komponenten sind in der Tabelle 1 zusammengefaßt.A flexible, three-dimensionally shaped flat cable, consisting of two PET spunbonded nonwovens, is produced by placing the electrical signal conductors with a thickness of 35 μm between the spunbonded nonwovens with a distance between the signal conductors of 2.54 mm using a copolyamide adhesive at 140 ° C laminated on a positive mold. After cooling, the laminate is removed as a shaped flat cable. The properties of the components used are summarized in Table 1.
Beispiel 3Example 3
Ein flexibles, dreidimensional geformtes Flachkabel, bestehend aus eine PET-A flexible, three-dimensionally shaped flat cable, consisting of a PET
Spinnvliesstoffen als Abdeckschicht, ein PET-Spinnvliesstoffen als Trägerschicht, eine 100 μm Aluminium-Folie als Wärmeverteilungsschicht wird hergestellt, indem man die elektrischen Signalleiter mit einem Dicke von 35 μm
einlaminiert. Die Klebstoffschicht zwischen dem Abdeckvliess und den Signalleitern, vorzugsweise aus Kupfer, sowie zwischen den Signalleitern und die Aluminium-Folie, sowie zwischen der Aluminium-Folie und dem Trägervliess ist ein Copolyamid mit einem Schmelzpunkt von 125°C. Das fertige Laminat wird auf einem positiven Formwerkzeug fixiert und bei 160°C für 30 Sekunden in Form gebracht. Nach dem Abkühlen wird das Laminat als geformtes Flachkabel entnommen. Die Eigenschaften der eingesetzten Komponenten sind in der Tabelle 1 zusammengefaßt.Spunbonded nonwovens as a covering layer, a PET spunbonded nonwovens as a carrier layer, a 100 μm aluminum foil as a heat distribution layer is produced by using the electrical signal conductors with a thickness of 35 μm laminated. The adhesive layer between the cover fleece and the signal conductors, preferably made of copper, and between the signal conductors and the aluminum foil, and between the aluminum foil and the carrier fleece, is a copolyamide with a melting point of 125 ° C. The finished laminate is fixed on a positive mold and shaped at 160 ° C for 30 seconds. After cooling, the laminate is removed as a shaped flat cable. The properties of the components used are summarized in Table 1.
Beispiel 4Example 4
Ein flexibles, dreidimensional geformtes Flachkabel, bestehend aus einer Polyethylennaphthalat (PEN) Abdeckfolie, ein PET-Spinnvliesstoffen als Trägerschicht, wird hergestellt, indem man zwischen den beiden Schichten die elektrischen Signalleiter mit einem Dicke von 35 μm einlaminiert. Die Klebstoffschicht zwischen der Abdeckfolie und den Signalleitern aus Kupferfolie ist ein 2K reaktives Klebersystem auf Polyester-Polyurethane(PES-PU)-Basis. Die Klebeschicht zwischen der Kupferfolie und dem Spinnvliesstoff ist ein Copolyester mit einem Schmelzpunkt von 135°C. Das fertige Laminat wird auf einem positiven Formwerkzeug fixiert und bei 160°C für 30 Sekunden in Form gebracht. Nach dem Abkühlen wird das Laminat als geformtes Flachkabel entnommen. Die Eigenschaften von den eingesetzten Komponenten sind in der Tabelle 1 zusammengefaßt. Beispiel 5A flexible, three-dimensionally shaped flat cable, consisting of a polyethylene naphthalate (PEN) cover film, a PET spunbonded nonwoven as a carrier layer, is produced by laminating the electrical signal conductors with a thickness of 35 μm between the two layers. The adhesive layer between the cover foil and the signal conductors made of copper foil is a 2K reactive adhesive system based on polyester-polyurethane (PES-PU). The adhesive layer between the copper foil and the spunbonded nonwoven is a copolyester with a melting point of 135 ° C. The finished laminate is fixed on a positive mold and shaped at 160 ° C for 30 seconds. After cooling, the laminate is removed as a shaped flat cable. The properties of the components used are summarized in Table 1. Example 5
Ein flexibles, dreidimensional geformtes Flachkabel, bestehend aus einer PEN- Abdeckfolie, ein PET-Spinnvliesstoffen als Trägerschicht, wird hergestellt, indem man zwischen den beiden Schichten die elektrischen Signalleiter mit einem Dicke von 35 μm einlaminiert. Die Klebstoffschicht zwischen der Abdeckfolie und der Kupferfolie ist ein 2K reaktives Klebersystem auf PES-PU-
Basis. Die Klebeschicht zwischen der Cu-Folie und dem Spinnvliesstoff ist ein Copolyester mit einem Schmelzpunkt von 135°C. Der Laminationsschritt wird auf einem positiven Formwerkzeug bei 160°C durchgeführt. Nach dem Abkühlen wird das Laminat als geformtes Flachkabel entnommen. Die Eigenschaften der eingesetzten Komponenten sind in der Tabelle 1 zusammengefaßt.A flexible, three-dimensionally shaped flat cable, consisting of a PEN cover film, a PET spunbonded nonwoven as a carrier layer, is produced by laminating the electrical signal conductors with a thickness of 35 μm between the two layers. The adhesive layer between the cover foil and the copper foil is a 2K reactive adhesive system on PES-PU Base. The adhesive layer between the Cu foil and the spunbonded nonwoven is a copolyester with a melting point of 135 ° C. The lamination step is carried out on a positive mold at 160 ° C. After cooling, the laminate is removed as a shaped flat cable. The properties of the components used are summarized in Table 1.
Beispiel 6Example 6
Ein flexibles, dreidimensional geformtes Flachkabel, bestehend aus eine PET- Abdeckungsfolie, ein PET-Spinnvliesstoffen als Trägerschicht, einem Aluminiumnetz oder -gitter als Wärmeverteilungsschicht, wird hergestellt, indem man zwischen den beiden elektrischen Isolationsschichten die elektrischen Signalleiter mit einem Dicke von 35 μm einlaminiert. Als Klebstoffschicht wird zwischen der Abdeckfolie und dem Signalleiter sowie zwischen dem Signalleiter und der Wärmeverteilungschicht ein 2K reaktives Klebersystem auf PES-PU- Basis eingesetzt. Die Klebeschicht zwischen der Aluminiumfolie und dem Spinnvliesstoff ist ein Copolyamid mit einem Schmelzpunkt von 125°C. Der Laminationsschritt wird auf einem positiven Formwerkzeug bei 160°C durchgeführt. Nach dem Abkühlen wird das Laminat als geformtes Flachkabel entnommen. Die Eigenschaften von den eingesetzten Komponenten sind in der Tabelle 1 zusammengefaßt.A flexible, three-dimensionally shaped flat cable, consisting of a PET cover film, a PET spunbonded nonwoven as a carrier layer, an aluminum net or grid as a heat distribution layer, is produced by laminating the electrical signal conductors with a thickness of 35 μm between the two electrical insulation layers. A 2K reactive adhesive system based on PES-PU is used as the adhesive layer between the cover film and the signal conductor and between the signal conductor and the heat distribution layer. The adhesive layer between the aluminum foil and the spunbonded nonwoven is a copolyamide with a melting point of 125 ° C. The lamination step is carried out on a positive mold at 160 ° C. After cooling, the laminate is removed as a shaped flat cable. The properties of the components used are summarized in Table 1.
Beispiel 7Example 7
Ein flexibles, dreidimensional geformtes Flachkabel, bestehend aus eine PEN- Abdeckfolie, ein 2 mm dicken Aluminiumfolie als Trägerschicht, wird hergestellt, indem man zwischen den beiden Schichten die elektrischen Signalleiter (Cu) mit einem Dicke von 35 μm einlaminiert. Die Klebstoffschicht zwischen der
Abdeckfolie und der Cu-Folie ist ein 2K reaktives Klebersystem auf PES-PU- Basis. Die Klebeschicht zwischen der Cu-Folie und der Aluminiumfolie ist ein Copolyester mit einem Schmelzpunkt von 135°C. Das fertige Laminat wird auf einem positiven Form Werkzeug fixiert und bei 160°C für 30 Sekunden in Form gebracht. Nach dem Abkühlen wird das Laminat als geformtes Flachkabel entnommen. Die Eigenschaften von den eingesetzten Komponenten sind in der Tabelle 1 zusammengefaßt.
A flexible, three-dimensionally shaped flat cable, consisting of a PEN cover foil, a 2 mm thick aluminum foil as the carrier layer, is produced by laminating the electrical signal conductors (Cu) with a thickness of 35 μm between the two layers. The layer of adhesive between the Cover foil and the Cu foil is a 2K reactive adhesive system based on PES-PU. The adhesive layer between the Cu foil and the aluminum foil is a copolyester with a melting point of 135 ° C. The finished laminate is fixed on a positive mold and shaped at 160 ° C for 30 seconds. After cooling, the laminate is removed as a shaped flat cable. The properties of the components used are summarized in Table 1.
Claims
1. Dreidimensional geformtes Flachkabel bestehend aus einem Laminat, welches mindestens aus einer zwischen mindestens Abdeckschicht und einer mindestens Trägerschicht eingebundenen Leiterschicht besteht, wobei zur Verbindung der Schichten mindestens eine Klebeschicht vorhanden ist, die nach oder bei einer Formung des Laminats unter Anwendung von Wärme, Strahlung und/oder Druck das Flachkabel in seiner dreidimensionalen Formgestalt fixiert.1. Three-dimensionally shaped flat cable consisting of a laminate which consists of at least one conductor layer embedded between at least the covering layer and an at least carrier layer, at least one adhesive layer being present for connecting the layers, which after or during shaping of the laminate using heat, radiation and / or pressure fixes the flat cable in its three-dimensional shape.
2. Flachkabel nach Anspruch 1 , dadurch gekennzeichnet, dass die Trägerschicht aus einer Metall- oder Kunststoff-Folie, einem Metall- oder Kunststoff-Gitter oder aus einem aus Kohlenstoff- oder Glasfasern gebildeten Textil ähnlichem Flächengebilde besteht.2. Flat cable according to claim 1, characterized in that the carrier layer consists of a metal or plastic film, a metal or plastic grid or of a textile-like fabric formed from carbon or glass fibers.
3. Flachkabel nach Anspruch 1 , dadurch gekennzeichnet, dass die Trägerschicht aus einer porösen Schicht besteht.3. Flat cable according to claim 1, characterized in that the carrier layer consists of a porous layer.
4. Flachkabel nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Klebeschicht aus einem thermoplastischen Kleber, einer Klebefolie und/oder einem Klebevliesstoff mit einem Schmelzpunkt Tm < 210°C und/oder einem latent Reaktivkleber einer Vernetzungstemperatur < 210°C besteht.4. Flat cable according to one of claims 1 to 3, characterized in that the adhesive layer made of a thermoplastic adhesive, an adhesive film and / or an adhesive nonwoven with a melting point T m <210 ° C and / or a latent reactive adhesive with a crosslinking temperature <210 ° C consists.
5. Flachkabel nach Anspruch 3, dadurch gekennzeichnet, dass mindestens eine weitere, der Abdeckung dienende, poröse Schicht vorgesehen ist. 5. Flat cable according to claim 3, characterized in that at least one further, the cover serving, porous layer is provided.
6. Flachkabel nach Anspruch 5, dadurch gekennzeichnet, dass die poröse Schicht aus einem Vliesstoff oder einem Gewebe aus polymeren Fasern besteht. 6. Flat cable according to claim 5, characterized in that the porous layer consists of a nonwoven fabric or a fabric made of polymeric fibers.
7. Flachkabel nach Anspruch 1, dadurch gekennzeichnet, dass die Abdeckschicht eine Vliesstoffschicht ist, die lediglich aus Polyester-, Polyamid-, Polyolefin-, syndiotaktischen Polystyren-, Polysulfon-, Kohlenstoff- und/oder Glasfasern bestehen und deren Poren zwischen den Fasern oder Filamenten so stark mit einem Bindemittel gefüllt sind, dass eine Durchschlagsfestigkeit von mindestens 500 V.7. Flat cable according to claim 1, characterized in that the cover layer is a nonwoven layer consisting only of polyester, polyamide, polyolefin, syndiotactic polystyrene, polysulfone, carbon and / or glass fibers and their pores between the fibers or Filaments are so strongly filled with a binder that a dielectric strength of at least 500 V.
8. Flachkabel einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Flachkabel zumindest teilweise mit einem Thermoplast oder einem Elastomer hinterspritzt ist.8. Flat cable one or more of claims 1 to 6, characterized in that the flat cable is at least partially back-injected with a thermoplastic or an elastomer.
9. Flachkabel nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Leiter der Leiterbahn vor der Laminierung zumindest in Teilbereichen ihrer Oberfläche zur Bildung von Kontaktfeldern freigelegt sind.9. Flat cable according to one or more of claims 1 to 8, characterized in that the conductors of the conductor track are exposed at least in partial areas of their surface to form contact fields before lamination.
10. Flachkabel nach einem oder mehreren der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Flachkabel mit elektronischen Bauelementen bestückt ist. 10. Flat cable according to one or more of claims 1 to 9, characterized in that the flat cable is equipped with electronic components.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004007875A DE102004007875B3 (en) | 2004-02-17 | 2004-02-17 | Three-dimensionally shaped flat cable |
PCT/EP2005/000621 WO2005081267A1 (en) | 2004-02-17 | 2005-01-22 | Three-dimensional flat cable |
Publications (1)
Publication Number | Publication Date |
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EP1716581A1 true EP1716581A1 (en) | 2006-11-02 |
Family
ID=34853508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP05701125A Withdrawn EP1716581A1 (en) | 2004-02-17 | 2005-01-22 | Three-dimensional flat cable |
Country Status (7)
Country | Link |
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US (1) | US20070137879A1 (en) |
EP (1) | EP1716581A1 (en) |
JP (1) | JP2007522641A (en) |
KR (1) | KR20060112693A (en) |
DE (1) | DE102004007875B3 (en) |
TW (1) | TWI246087B (en) |
WO (1) | WO2005081267A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102006050705B4 (en) * | 2006-10-24 | 2009-01-02 | Auto-Kabel Management Gmbh | battery lead |
DE102008003332B4 (en) * | 2008-01-07 | 2017-01-19 | Auto-Kabel Management Gmbh | Dimensionally stable cable harness for engine compartment wiring |
JP5213106B2 (en) * | 2008-01-17 | 2013-06-19 | デクセリアルズ株式会社 | Flat cable |
DE102009005404A1 (en) * | 2009-01-19 | 2010-07-22 | Carl Freudenberg Kg | Cable for use as nonreturnable cable in arrangement for recording electrocardiogram, has textile composite made of support layer, and electric circuit |
EP2209126A3 (en) | 2009-01-19 | 2012-04-04 | Dräger Medical GmbH | Flexible deformable cable with textile compound for electromedical assemblies |
JP5995142B2 (en) * | 2012-11-06 | 2016-09-21 | 大日本印刷株式会社 | Flat cable and manufacturing method thereof |
DE102014202195B4 (en) * | 2014-02-06 | 2020-09-17 | Volkswagen Aktiengesellschaft | Motor vehicle |
DE102014119720A1 (en) * | 2014-12-30 | 2016-06-30 | Lisa Dräxlmaier GmbH | Insulated flat conductor and flat conductor composite |
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Publication number | Priority date | Publication date | Assignee | Title |
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US4000558A (en) * | 1971-10-14 | 1977-01-04 | International Telephone And Telegraph Corporation | Process of fabricating wiring harness |
US4835394A (en) * | 1987-07-31 | 1989-05-30 | General Electric Company | Cable assembly for an electrical signal transmission system |
JP3565951B2 (en) * | 1995-07-20 | 2004-09-15 | 矢崎総業株式会社 | Wire harness and method of manufacturing the same |
DE19649972C2 (en) * | 1996-11-22 | 2002-11-07 | Siemens Ag | Process for the production of a wiring harness for motor vehicles |
US6730622B2 (en) * | 1999-12-21 | 2004-05-04 | The Procter & Gamble Company | Electrical cable |
JP2002190221A (en) * | 2000-12-20 | 2002-07-05 | Yazaki Corp | Manufacturing method of flat wire harness |
DE10315747A1 (en) * | 2002-12-02 | 2004-06-24 | Carl Freudenberg Kg | Three-dimensional flat cable, process for its production and its use |
-
2004
- 2004-02-17 DE DE102004007875A patent/DE102004007875B3/en not_active Expired - Fee Related
-
2005
- 2005-01-22 KR KR1020067018867A patent/KR20060112693A/en not_active Application Discontinuation
- 2005-01-22 EP EP05701125A patent/EP1716581A1/en not_active Withdrawn
- 2005-01-22 WO PCT/EP2005/000621 patent/WO2005081267A1/en active Application Filing
- 2005-01-22 JP JP2006553468A patent/JP2007522641A/en not_active Withdrawn
- 2005-01-22 US US10/598,059 patent/US20070137879A1/en not_active Abandoned
- 2005-01-31 TW TW094102831A patent/TWI246087B/en not_active IP Right Cessation
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See references of WO2005081267A1 * |
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DE102004007875B3 (en) | 2005-09-15 |
TW200529253A (en) | 2005-09-01 |
KR20060112693A (en) | 2006-11-01 |
WO2005081267A1 (en) | 2005-09-01 |
JP2007522641A (en) | 2007-08-09 |
US20070137879A1 (en) | 2007-06-21 |
TWI246087B (en) | 2005-12-21 |
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