EP2044599B1 - Dispositif de résistance - Google Patents

Dispositif de résistance Download PDF

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Publication number
EP2044599B1
EP2044599B1 EP07785663A EP07785663A EP2044599B1 EP 2044599 B1 EP2044599 B1 EP 2044599B1 EP 07785663 A EP07785663 A EP 07785663A EP 07785663 A EP07785663 A EP 07785663A EP 2044599 B1 EP2044599 B1 EP 2044599B1
Authority
EP
European Patent Office
Prior art keywords
resistor
elements
flexible
electrical connection
assembly according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP07785663A
Other languages
German (de)
English (en)
Other versions
EP2044599A2 (fr
Inventor
Jan Ihle
Werner Kahr
Helmut Pölzl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Electronics AG
Original Assignee
Epcos AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Epcos AG filed Critical Epcos AG
Publication of EP2044599A2 publication Critical patent/EP2044599A2/fr
Application granted granted Critical
Publication of EP2044599B1 publication Critical patent/EP2044599B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/16—Resistor networks not otherwise provided for
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/005—Heaters using a particular layout for the resistive material or resistive elements using multiple resistive elements or resistive zones isolated from each other
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/009—Heaters using conductive material in contact with opposing surfaces of the resistive element or resistive layer
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49085—Thermally variable

Definitions

  • a heating device with granules of PTC material, which are distributed in a binder, is from the document DE 3107290 A1 known.
  • Out DE 8309023 U1 is known a flexible heater in tape form.
  • Out US 4,072,848 a resistor arrangement is known, consisting of resistance elements, each having a first and a second electrode, wherein the first electrodes are conductively connected to each other by means of a flexible first electrical connection element.
  • An object to be solved is to provide a resistor assembly suitable for efficiently dissipating heat to a curved surface or detecting a physical quantity of a curved surface object.
  • the second electrodes of the resistance elements are preferably conductively connected to each other according to claim 3.
  • the connecting elements are also referred to below as supply lines.
  • the measured between two adjacent resistance elements length of the respective electrical connection element exceeds the minimum distance between these resistance elements.
  • the resistance elements are preferably fixedly connected to a first flexible carrier film. You can also be firmly connected to a second flexible carrier film.
  • the resistive elements are preferably arranged between the flexible carrier foils.
  • the flexible carrier foil may be a metal foil.
  • the flexible carrier film may also comprise an elastic material in which the respective electrical connection element is embedded in the form of a curved conductor track.
  • a flexible insulating layer may be arranged, which at least partially fills the intermediate spaces formed between the resistance elements in the lateral direction.
  • the resistance elements and the flexible electrical connection elements are embedded in an advantageous variant in a flexible substrate, wherein they are preferably cast in the substrate.
  • the preferably rubbery substrate may contain silicone rubber.
  • Other rubbery, preferably electrically insulating materials come as a material for the substrate into consideration. In particular are for materials suitable, which have a high thermal conductivity.
  • a filler having a higher thermal conductivity than the rubbery base material can be added to a flexible, rubbery material.
  • a filler having a higher thermal conductivity than the rubbery base material can be added to a flexible, rubbery material.
  • electrically non-conductive or poorly conductive substances such. As SiC, MgO, ceramic or metal oxide used.
  • the resistive elements may be disposed between two flexible substrates, the substrates preferably being equated with the above-mentioned carrier foils.
  • the resistance elements, the flexible electrical connections and the carrier foils are embedded in a flexible substrate, preferably encapsulated.
  • the respective electrical connection element can be integrated in the substrate.
  • the connecting element is preferably realized as a recessed in the flexible substrate, curved conductor track.
  • the connecting element may comprise, for example, a metal strand.
  • the respective electrical connection element may alternatively be realized as a laminated metal layer which is arranged on the surface of the respective flexible carrier film.
  • the respective carrier film can, for. Example, a copper-clad polyimide film or another flexible film which is electrically conductive or comprises an electrically conductive layer.
  • the minimum distance between the flexible electrical connectors in between the resistor elements lying areas may be smaller than the height of the resistance elements.
  • the distance between the flexible electrical connections in such areas may also be greater than the height of the resistance elements.
  • the second electrodes of the resistance elements can be electrically connected by an electrically conductive surface which touches the resistance arrangement, but is not part of this arrangement.
  • the resistor arrangement preferably comprises similar resistor elements. At least one major surface of the respective resistive element may comprise an array of slot-like depressions.
  • the resistor arrangement represents a planar structure whose length, measured in at least one lateral direction, is preferably substantially zero. B. by at least a factor of 3 - is greater than its thickness.
  • the flexible connecting element is preferably a flat substrate carrying the resistance elements.
  • the resistance elements are preferably plate-shaped or flat.
  • the resistance elements are preferably ceramic elements, each comprising a solid, preferably solid, rigid ceramic body.
  • the material of the ceramic body preferably has PTC properties and preferably contains BaTiO 3 .
  • PTC stands for Positive Temperature Coefficient.
  • the ceramic body is preferably formed as a resistive layer disposed between a first and a second electrode.
  • the electrodes are preferably arranged on the main surfaces of the resistance element.
  • the second electrode is electrically isolated from the first electrode.
  • the electrodes are preferably barrier-degrading.
  • each resistance element is rigid in itself, the resistance arrangement with the deformable electrical connections is flexible. This has the advantage that it can be positively applied to an arbitrarily shaped, even curved surface.
  • the resistance elements are provided as heating elements.
  • the resistor assembly is preferably a heater.
  • the resistance elements are provided as sensor elements. Sensor elements are for detecting a physical quantity such. B. temperature suitable.
  • the resistor arrangement in this case is a sensor device.
  • the resistor assembly can be made, for example, in the following method.
  • Electrode provided resistive elements are provided. These are connected to each other by attachment to at least one electrically conductive foil or at least one metal mesh.
  • An electrically conductive film is understood as meaning a metal foil or a foil which has an electrically conductive layer which is arranged on a non-conductive carrier.
  • first major surfaces of the resistive elements with a first film and their second major surfaces with a second film z. B. connected by soldering or gluing.
  • the spaces between the resistance elements are at least partially encapsulated with an electrically insulating material, which remains elastically deformable (flexible) after curing.
  • a layer of flexible material may be applied to at least one of the conductive foils or metal braids to form a flexible substrate.
  • the assembly comprising the conductive foils and the resistive elements attached thereto is encapsulated in the flexible material.
  • the flexible material is preferably electrically insulating.
  • the electrically conductive film is preferably preformed before embedding in the flexible material such that the between the resistance elements arranged electrical connections to the minimum distance between these resistance elements are extended.
  • the electrical connections can be structured in cross-section with respect to their altitude and in particular be curved.
  • the electrical connections may also have steps or form at least part of a loop.
  • Curved electrical connection elements can be achieved by forming recesses in the electrically conductive film.
  • the depressions can each serve to receive a resistance element.
  • the electrically conductive foil or the metal braid is - preferably soldered or glued to externally accessible electrical connections - preferably before embedding in the flexible material.
  • the arrangement of interconnected resistor elements with the terminals is then inserted into a mold and connected to the electrically insulating material such. B. silicone rubber shed. To avoid trapped air, it can then be evacuated.
  • the finished after curing of the flexible material resistor assembly can now be removed from the mold. It is flexible and can be used in particular for heating objects, wherein the resistance arrangement can be applied positively to a curved surface.
  • a possibly not yet cured carrier substrate eg silicone film
  • a wire mesh or another structured conductor track is embedded, which has curvatures.
  • This substrate is connected to a resistive substrate which does not comprise isolated resistive elements. The connection of the substrates takes place in such a way that the curved conductor track touches the main surface of the resistance substrate in the regions provided as resistance elements.
  • the resistor substrate After curing of the material of the carrier substrate, the resistor substrate can be separated into a plurality of resistive elements by cutting or sawing. The separation is carried out so that only the resistor substrate is cut through, wherein the carrier substrate is only cut without damage to the embedded therein conductor track. This can be done using a hard pad.
  • an air gap may be provided which prevents a short circuit between the carrier substrates.
  • the gaps which are present between the carrier substrates and the resistance elements, but can also with an electrically insulating, flexible, highly thermally conductive material such. B. silicone rubber be filled.
  • the intermediate spaces formed between the resistance elements are preferably poured out before connecting the composite to the second carrier substrate with this material.
  • the resistance elements may have arranged on their major surfaces, preferably slot-like depressions. These recesses are preferably arranged on at least one main surface of the resistance elements.
  • the electrode layers also cover the surface of these recesses.
  • an exemplary resistive element 21 with a rigid body 20 is shown, on the major surfaces of which electrodes 201, 202 are arranged.
  • the resistance elements 21, 22, 23 shown in the following figures are preferably identical.
  • the resistive elements 21, 22, 23 are mounted on a substrate 1, the carrier sheet 11 z. B. comprises polyimide.
  • the substrate 1 has a metal lamination arranged on the carrier foil-the metal layer 12-which is too the resistance elements is turned ( Fig. 1B ).
  • the attachment can be done by soldering or gluing.
  • the metal-laminated carrier film 11 is preferably as in Figure 1C shown preformed so that it has recesses for receiving resistor elements 21, 22, 23. Through these recesses curved sections 41 of the metal layer 12 come about, which are arranged between two successive resistance elements. By means of the metal layer 12, which has curved portions, the flexible curved electrical connecting element is realized.
  • the length of the curved portions 41 is greater than the minimum distance between these resistance elements.
  • the preforming of the metal-clad carrier foil 11 can take place before or after the mounting of the resistance elements 21, 22, 23.
  • the in the FIGS. 1B, 1C can also be replaced by a composite of a substrate and an electrically conductive layer, shown metal-clad carrier sheet 11.
  • the metal layers 12, 14 can each be replaced by a metal braid. It is always important that when bending the resistor assembly of a bending stress resulting under the mechanical stress can be prevented. This is possible because a structured and therefore longer electrical line compared to a straight line when bending can be relieved to a greater extent mechanically.
  • FIG. 1D is the one in the Figure 1C shown arrangement which is partially embedded between an electrically insulating base layer 1 a and an insulating layer 10.
  • the layers 1a, 10 comprise the same Material. They can be laminated, glued or produced by a casting process.
  • the base layer 1a can also be dispensed with, see Figure 1E , When in the Figure 1C As shown, the spaces between the resistive elements are partially filled with an insulating material.
  • the elastically deformable substrate 1, in which the resistance elements 21, 22, 23 are partially embedded, is in this case formed by the layers 10, 11.
  • the substrate 1, in which the resistance elements are partially embedded and the electrical connection element (the metal layer 12) is integrated, is formed by the base layer 1a, the carrier foil 11 and the insulating layer 10 in the variant according to FIG.
  • the substrate 1 may further as in the variants according to the Fig. 1F and 2 a second carrier film 13 include.
  • the carrier film 13 preferably has the same properties as the carrier film 11.
  • the substrate 1 is formed by the carrier films 11, 13 and the insulating layer 10.
  • the metal-laminated carrier films 11, 13 can be considered as two elastically deformable substrates, between which the resistance elements are arranged.
  • films of a conductive elastic material can be used in all embodiments.
  • the substrate 1 may further as in the variant according to Fig. 2 a cover layer 1b.
  • a second electrical connection element which connects all the second electrodes of the resistance elements to one another in a conductive manner, is realized by means of the second metal layer 14.
  • the second metal layer 14 is preferably formed as a metal lamination of the second carrier film 13.
  • the metal lamination of the carrier film, ie the metal layer 14, is turned inwards, that is to say to the resistance elements.
  • the metal layer 14 connects the second electrodes of the resistive elements.
  • the first metal layer 12 is connected to a first electrical connection 31 and the second metal layer 14 is connected to a second electrical connection 32 of the resistor arrangement.
  • the terminals 31, 32 are accessible from the outside and can, for. B. connected to a plug connection.
  • the comments made in connection with the carrier film 11 and the metal layer 12 also apply to the in the FIGS. 2, 3 shown second carrier film 13 and the associated metal layer 14th
  • FIG Fig. 2 An arrangement formed by the resistance elements 21, 22, 23 and their electrical connections is shown in FIG Fig. 2 completely embedded in the substrate 1. So that the metal layers 12 and 14, which are subjected to different potentials, do not touch one another, an insulating layer 10 is arranged between them.
  • FIG. 3 is the heating arrangement according to the FIG. 2 shown attached to a curved, in the FIG. 3 Not shown surface is adapted.
  • the resistance elements 21, 22, 23 by means of a conductive electrical connection element such.
  • B a preformed metal foil or metal wire conductively connected together.
  • the arrangement, which is formed by the resistance elements 21, 22, 23 and their electrical connections, is cast in the substrate 1.
  • At least one main surface of the substrate 1 is planar.
  • both main surfaces of the substrate 1 are planar.
  • the in the FIGS. 1A to 4 The resistor arrangement shown may be in the form of a flexible band having a one-dimensional array of resistive elements 21, 22, 23.
  • FIG. 5 is a planar resistor array, ie a resistor array with a two-dimensional array of resistive elements, shown. Such an arrangement arises after cutting through a resistive substrate, which initially comprises non-isolated resistive elements 21, 22, 23, along the predetermined dividing lines, wherein the carrier substrate 1 is not cut through.
  • FIG. 6 a resistor array is shown with resistive elements having recesses 221, 222 disposed on their major surfaces.
  • the first recesses 221 are on a first major surface (top) of a resistive element and the second recesses 222 on its second main surface (bottom) arranged.
  • the electrode layers 201, 202 also cover the surface of these recesses.
  • the depressions 221, 222 are preferably filled with a filling material 8, which has a better thermal conductivity than the ceramic body of the resistance element.
  • the gap 7 between two resistance elements is preferably also filled with an elastically deformable filler.
  • the second recesses 222 are laterally offset from the first recesses 221.
  • the depth of the recesses may be about half or more than half the thickness of the ceramic body.
  • the resistance elements are mechanically connected to one another by means of elastically deformable substrates 81, 82.
  • Each substrate 81, 82 has an insulating layer 811, 821.
  • Each substrate 81, 82 also has a conductive layer 812, 822 formed on the insulating layer 811, 821, e.g. B. applied as a Metallkaschtechnik and turned to the resistive elements.
  • the first electrode layers 201 of the resistive elements are conductively connected to each other by means of the conductive layer 812 and the second electrode layers 202 of the resistive elements by means of the conductive layer 822.
  • the layers 812, 822 are electrical connection elements which, like the metal layers 12, 14, are flexible and curved. The curvature of the fasteners is in FIG. 6 Not shown.
  • the layers 812, 822 may be metal meshes or metal foils, which are preferably preformed.
  • FIG. 7A shows an arrangement of resistive elements whose first electrode layers 201 are electrically connected to one another by means of an electrical connection element 91 and their second electrode layers 202 are connected to one another by means of an electrical connection element 92.
  • the connecting elements 91, 92 may be metal braids or metal foils, which are preformed such that the length of the connecting element is greater than the distance between the resistance elements to be connected to one another.
  • the first electrode layers 201 are conductively connected to an electrical terminal 31, which is accessible from the outside.
  • the second electrode layers 202 are conductively connected to an electrical terminal 32, which is also accessible from the outside.
  • the embedded in a substrate 81 heating arrangement according to FIG. 7A is in FIG. 7B presented.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Details Of Resistors (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Surface Heating Bodies (AREA)
  • Thermistors And Varistors (AREA)
  • Non-Adjustable Resistors (AREA)

Abstract

Dans un premier mode préféré de réalisation, l'invention concerne un dispositif de résistance comportant des éléments de résistance (21,22,23) dont des premières électrodes (201) sont mutuellement reliées de manière conductrice au moyen d'un élément de liaison (12,14) conducteur flexible, présentant des courbes. Cet élément de liaison présente une courbe modifiée dans les zones situées entre deux éléments de résistance voisins. Dans un deuxième mode préféré de réalisation, l'invention concerne un dispositif de résistance comportant des éléments de résistance (21,22,23) mutuellement reliés par un élément de liaison flexible. Ces éléments de résistance (21,22,23) comprennent chacun un ensemble d'évidements (221,222) en forme de fentes.

Claims (14)

  1. Dispositif de résistance
    - comprenant des éléments de résistance (21, 22, 23) présentant chacun une première électrode (201) et une deuxième électrode (202),
    - dans lesquels les premières électrodes (201) sont reliées les unes aux autres de manière conductrice au moyen d'un premier élément de connexion électrique (12, 91) déformable,
    - caractérisé en ce que le premier élément de connexion électrique (12, 91) présente une section incurvée (41) dans un agencement rectiligne des éléments de résistance (21, 22, 23) entre deux éléments de résistance (21, 22, 23) voisins et en ce que la longueur de la section incurvée (41) est supérieure à la distance entre les deux éléments de résistance (21, 22, 23) voisins.
  2. Dispositif de résistance selon la revendication 1,
    - dans lequel les éléments de résistance (21, 22, 23) sont connectés de façon rigide à une première feuille de support flexible (11).
  3. Dispositif de résistance selon la revendication 1 ou 2,
    - dans lequel les deuxièmes électrodes (202) sont connectées les unes aux autres de manière conductrice au moyen d'un deuxième élément de connexion électrique (14, 92) déformable,
    - dans lequel le deuxième élément de connexion électrique (14, 92) présente une section incurvée (42) dans un agencement rectiligne des éléments de résistance (21, 22, 23) entre deux éléments de résistance (21, 22, 23) voisins et en ce que la longueur de la section incurvée (42) est supérieure à la distance entre les deux éléments de résistance (21, 22, 23) voisins.
  4. Dispositif de résistance selon la revendication 3,
    - dans lequel une couche isolante déformable (10) est agencée entre les éléments de connexion électrique déformables (12, 14, 812, 822, 91, 92).
  5. Dispositif de résistance selon la revendication 3 ou 4,
    - dans lequel les éléments de résistance (21, 22, 23) sont connectés de manière rigide à une deuxième feuille de support flexible (13).
  6. Dispositif de résistance selon l'une des revendications 3 à 5,
    - dans lequel les éléments de connexion électrique déformables (12, 14, 812, 822, 91, 92) sont noyés dans un substrat flexible (1, 81),
    - les éléments de résistance (21, 22, 23) étant noyés au moins partiellement dans le substrat flexible (1, 81).
  7. Dispositif de résistance selon la revendication 5,
    - dans lequel les éléments de résistance (21, 22, 23), les éléments de connexion électrique déformables (12, 14, 812, 822, 91, 92) et les feuilles de support (11, 13) sont noyés dans un substrat flexible (1, 81).
  8. Dispositif de résistance selon l'une des revendications 3 à 7,
    - dans lequel la distance entre les éléments de connexion électrique déformables (12, 14, 812, 822, 91, 92), dans la région située entre les éléments de résistance (21, 22, 23), est inférieure à la hauteur des éléments de résistance (21, 22, 23).
  9. Dispositif de résistance selon l'une des revendications 3 à 7,
    - dans lequel la distance entre les éléments de connexion électrique déformables (12, 14, 812, 822, 91, 92), dans la région située entre les éléments de résistance (21, 22, 23), est supérieure à la hauteur des éléments de résistance (21, 22, 23).
  10. Dispositif de résistance selon l'une des revendications 2 à 9,
    - dans lequel une couche métallique revêtue est disposée sur la première feuille de support flexible (11), couche à travers laquelle est formé le premier élément de connexion électrique déformable (12, 812, 91).
  11. Dispositif de résistance selon l'une des revendications 2 à 10,
    - dans lequel des évidements destinés à recevoir des éléments de résistance (21, 22, 23) sont formés dans la première feuille de support flexible (11).
  12. Dispositif de résistance selon l'une des revendications 5 à 11,
    - dans lequel une couche métallique revêtue est disposée sur la deuxième feuille flexible (13), couche à travers laquelle est formé le deuxième élément de connexion électrique déformable (14, 822, 92).
  13. Dispositif de résistance selon l'une des revendications 6 à 9,
    - dans lequel les éléments de connexion électrique déformables (12, 14, 812, 822, 91, 92) sont chacun réalisés sous la forme d'un ruban incurvé noyé dans un substrat flexible (1).
  14. Dispositif de résistance selon l'une des revendications 1 à 13,
    - dans lequel au moins une surface principale de chacun des éléments de résistance (21, 22, 23) présente un agencement d'évidements (221, 222) en forme de fentes.
EP07785663A 2006-07-20 2007-07-19 Dispositif de résistance Not-in-force EP2044599B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006033710A DE102006033710B4 (de) 2006-07-20 2006-07-20 Verfahren zur Herstellung einer Widerstandsanordnung
PCT/DE2007/001295 WO2008009282A2 (fr) 2006-07-20 2007-07-19 Dispositif de résistance

Publications (2)

Publication Number Publication Date
EP2044599A2 EP2044599A2 (fr) 2009-04-08
EP2044599B1 true EP2044599B1 (fr) 2011-09-14

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Application Number Title Priority Date Filing Date
EP07785663A Not-in-force EP2044599B1 (fr) 2006-07-20 2007-07-19 Dispositif de résistance

Country Status (5)

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US (1) US7876194B2 (fr)
EP (1) EP2044599B1 (fr)
JP (1) JP5076201B2 (fr)
DE (1) DE102006033710B4 (fr)
WO (1) WO2008009282A2 (fr)

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JP5999315B2 (ja) * 2012-03-30 2016-09-28 三菱マテリアル株式会社 フィルム型サーミスタセンサ及びその製造方法
JP5998329B2 (ja) * 2012-04-04 2016-09-28 音羽電機工業株式会社 非線形抵抗素子
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DE102006033710A1 (de) 2008-01-31
DE102006033710B4 (de) 2013-04-11
US7876194B2 (en) 2011-01-25
EP2044599A2 (fr) 2009-04-08
US20090179731A1 (en) 2009-07-16
WO2008009282A3 (fr) 2008-03-20
JP5076201B2 (ja) 2012-11-21
JP2009544123A (ja) 2009-12-10
WO2008009282A2 (fr) 2008-01-24

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