EP1391898A1 - Elektrisches Vielschichtbauelement - Google Patents
Elektrisches Vielschichtbauelement Download PDFInfo
- Publication number
- EP1391898A1 EP1391898A1 EP03017396A EP03017396A EP1391898A1 EP 1391898 A1 EP1391898 A1 EP 1391898A1 EP 03017396 A EP03017396 A EP 03017396A EP 03017396 A EP03017396 A EP 03017396A EP 1391898 A1 EP1391898 A1 EP 1391898A1
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- EP
- European Patent Office
- Prior art keywords
- electrodes
- multilayer
- component according
- electrode
- internal electrodes
- 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.)
- Granted
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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
- H01C7/18—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 comprising a plurality of layers stacked between terminals
-
- 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
- H01C7/10—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 voltage responsive, i.e. varistors
- H01C7/105—Varistor cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the invention relates to an electrical multilayer component with a base body containing a stack of superimposed Dielectric layers with intermediate layers Electrode layers.
- the known device has the disadvantage that in a single Basic body only a single electrical function, namely the function of a single varistor is realized.
- a single electrical function namely the function of a single varistor is realized.
- a board with the help of the known device a It is to realize variety of electrical functions therefore required a variety of components, the one claim correspondingly large space on the board, too use. In addition, this increases the assembly costs disadvantageously.
- the invention provides an integrated multilayer electrical component in which a plurality of individual components with minimized parasitic capacity and at the same time minimized Inductance is realized by placing between internal electrodes Be provided column. By grounded Shielding internal electrodes also becomes the crosstalk behavior improved at high frequency signals.
- an electrical multilayer component the has a main body.
- the main body contains one Stack of superimposed dielectric layers, between which electrode layers are arranged, wherein the Stack comprises at least one electrode layer.
- the main body has two running along the stacking direction, opposite side surfaces on.
- internal electrodes are provided, each with one of the outer electrodes are connected.
- the internal electrodes are each in the same electrode layer with a Distance g formed in pairs opposite.
- Multilayer electrode are formed from the internal electrodes, which are in formed different electrode layers and with the same outer electrode are connected. All internal electrodes a multilayer electrode overlap each other.
- multi-layer electrodes too if in the limiting case they only comprise one inner electrode.
- Multilayer electrodes with different External electrodes are connected, are lateral or in the longitudinal direction (transverse to the stacking direction and transverse to the axis, the connecting two mutually associated multilayer electrodes) formed offset from each other, spaced by a gap and do not overlap.
- each outer electrode there are at least two outer electrodes on each side surface arranged, each with a multilayer electrode are connected.
- the multilayer component are so at least two each comprising two multilayer electrodes single Components designed.
- the multilayer component has the advantage that opposing one another Multilayer electrodes do not overlap each other. This succeeds, from two opposite ones Multilayer electrodes to form a capacitor, the one has very low capacity. Surprisingly, too shown that the multilayer component one compared to a Single component has reduced inductance. this will on the reduced length of each other not overlapping Internal electrodes returned.
- the multilayer component forms such an array of individual independently operated Single components from, between which only small Crosstalk takes place. Capacitive and other couplings between the individual components of the invention Multi-layer component are minimized.
- the multilayer component may also be associated with another type of component and For example, it can be designed as a multilayer varistor.
- the multilayer component further has the advantage that at least four multilayer electrodes arranged in the base body are. This makes it possible in the multilayer component to integrate one of a variety of electrical functions. Depending on which material for the dielectric layers is selected, for example, the arrangement of at least two multilayer varistors or at least two Multilayer capacitors with a single multilayer component will be realized.
- a multilayer component in which electrical conductive components of juxtaposed Multi-layer electrodes spaced from each other by a gap are.
- This gap has the width f.
- electrically conductive components of opposite multilayer electrodes by a Gap of width g are spaced from each other.
- f ⁇ 1.3 g better f ⁇ 1.3 g.
- a gap under a gap is a section in Basic body understood to be free of electrode material, So is of electrically conductive material.
- the gap is not necessarily filled with air, but also can be filled by material of the dielectric layers.
- a feedthrough component in which, for example four multi-layer electrodes arranged on the side surfaces have a common ground electrode connected to a the end faces or at both end faces of the body is led out of the body. Leave it advantageously particularly compact circuit variants realize on boards.
- this embodiment provides the advantage that with the help of end face side of the body led out multilayer electrodes an internal interconnection several multilayer electrodes are realized can. This reduces the later with the multilayer component to be assembled and interconnected board Wiring effort, which in addition space on the board saves.
- a multilayer component is provided, whose multilayer electrodes different Number of electrode layers or internal electrodes exhibit. This makes it possible, capacitors or varistors to integrate into the multilayer component whose capacity different from each other, what with the multilayer component achievable range of variation increased.
- multilayer electrodes provided, the internal electrodes in the multilayer component have different areas. This also succeeds Integration of a large variety of components in the multilayer component.
- the diversity of the device can be increased by electrode layers are provided whose length from each other is different.
- Dielectric layers are present in the main body whose Dielectric constant is different from each other. Also thereby, the component diversity can be increased.
- the dielectric layers contain a ceramic material Varistor.
- ceramic materials may be considered containing ZnO-Bi or ZnO-Pr.
- Such dielectric layers have the advantage of being next to the capacitor even as another component a varistor in the Integrate multilayer component.
- the dielectric layers may have a capacitor ceramic contain the base of barium titanate.
- a dielectric layer For example, a so-called “C0G” ceramic comes in Consideration. But it is also a “X7R” ceramic into consideration, for example, doped barium titanate.
- electrode layers provided, on the insides concave or convex are formed.
- multilayer component internal electrodes which have tips, wherein the tips of mutually associated multilayer electrodes to each other point.
- the multilayer component are in a gap stack of superimposed electrode layers arranged. This can effectively reduce the number the gap between two multilayer electrodes Insertion of additional internal electrodes can be increased. By a such serial arrangement of multiple column, the capacity a multilayer capacitor can be further reduced.
- the electrode layers may be arranged in a gap Stack offset to the inner electrodes of a multilayer electrode be arranged. This succeeds another Reduction of capacity.
- the base body of the multilayer component may be a base body whose base area is less than 5.2 mm 2 . Then, the multilayer component contains at least four multilayer electrodes.
- the base of the body in such a way that it is smaller than 8 mm 2 .
- at least four multilayer electrodes can be contained in the main body.
- the electrode layers may be made of silver, Palladium, platinum or even an alloy of silver and platinum or of silver and palladium or such Contain metals or alloys.
- the electrode layers but can also consist of copper or nickel or copper or nickel.
- FIG. 1 shows a main body 1 of length 1 and the width b.
- the main body 1 has the shape of a cuboid. He points two opposite side surfaces 41, 42 on. On each Side surface 41, 42 are each two outer electrodes 71, 72, 73, 74 arranged. On the side surface 41 are the outer electrodes 71, 73 arranged. On the side surface 42 are the External electrodes 72, 74 arranged. The outer electrodes will be applied by screen printing a metal-containing paste. Of the Base 1 extends with its largest dimension preferably in the longitudinal direction, indicated by the arrow is.
- FIG. 2 shows the component from FIG. 1 in a side view. In the direction of the arrow, the length d of the outer electrodes 71, 73 measured. The height of the component is s.
- FIG. 3 shows a longitudinal section through the component according to FIG. 2 parallel to the layer plane of an electrode layer. It comprises stacks of internal electrodes 31, 32, 33, 34, respectively lie one above the other. Each stack of internal electrodes 31, 32, 33, 34 is each with a common outer electrode 71, 72, 73, 74 electrically contacted. Any arrangement of internal electrodes 31, 32, 33, 34 together with the corresponding outer electrode 71, 72, 73, 74 forms a multilayer electrode 51, 52, 53, 54.
- Each side surface 41, 42 are the Outer electrodes of two multilayer electrodes 51, 53; 52, 54 arranged. Two multilayer electrodes 51, 52; 53, 54 are opposite each other in the device.
- lateral adjacent multilayer electrodes 51, 53 are in terms of all their electrically conductive components, for which the outer electrodes 51, 53 as well as all electrode layers 31, 33 count, spaced by a gap 83 from each other.
- the width of the gap 83 is denoted by f.
- FIG. 4 shows a section along the line C-C of FIG 3.
- the dielectric layers 2 are shown.
- the dielectric layers are stacked on top of each other.
- Between the dielectric layers 2 are internal electrodes 31, 32nd arranged.
- the device shown in Figure 4 can advantageously by laminating several dielectric layers, For example, ceramic green sheets, with internal electrodes 31 applied therebetween by screen printing, 32, followed by pressing and sintering of the film stack produced become. Subsequently, the outer electrodes 71, 72 applied to the base body 1.
- the internal electrodes 31, which belong to multilayer electrode 51 shown. They are in the form of a stack 61 on top of each other.
- the internal electrodes 32 which belong to the multilayer electrode 52, in Shape of a stack 62 one above the other.
- the internal electrodes 31, 32 are spaced apart by a gap 81 of width g.
- FIG. 5 shows a representation corresponding to Figure 3 with the Difference that another multilayer electrode 59 is provided is that a stack of superimposed internal electrodes 39 includes.
- the internal electrodes 39 extend from one End face 92 to the opposite end face 91 of the Body. They are each with common external electrodes 791, 792 electrically connected.
- the in Figure 5 illustrated geometry can be realized as a feedthrough component become.
- the internal electrodes 39 may be, for example be connected to a common ground terminal 791, 792, the all four multilayer electrodes 51, 52, 53, 54 in common is. It should be noted that the definition of width g is the same as in FIG. 3.
- FIG. 19 shows a variation of FIG Inner electrode 39 not only in the space between each other Internal electrodes 51, 52; 53, 54 arranged is, but is formed cross-shaped and also in the Interspace between each other in the longitudinal direction adjacent Internal electrodes 51 and 53 and 52 and 54, respectively.
- the others Inner electrode 39 may be connected to ground and acts as a shield for decoupling and reduces the Crosstalk.
- the further inner electrode 39 can each in the same electrode layer as the other internal electrodes 51, 52; 53, 54; 51, 53, 52 and 54 realized, or even in intermediate levels.
- FIG. 6 shows a further variation of the illustration from FIG 3.
- the internal electrodes 32, 34 have different lengths L1, L2.
- the capacity of multilayer capacitors can be varied become.
- FIG. 7 shows a further variation of FIG. 3, wherein eight Multi-layer electrodes are integrated in a basic body.
- FIG. 7 shows the multilayer electrodes 51, 52, 53, 54, 55, 56, 57, 58. They are formed of external electrodes 71, 72, 73, 74, 75, 76, 77, 78.
- the outer electrodes 72, 74, 76, 78 are located on the opposite side surface.
- Each two outer electrodes 71, 72; 73, 74; 75, 76; 77, 78 are each other arranged opposite.
- Two opposite each Outer electrodes and the two associated with them Multilayer electrodes form, for example, a multilayer capacitor.
- FIG. 8 shows a further variation of the illustration from FIG Figure 3, wherein the internal electrodes 31, 32, 33, 34 L-shaped are formed.
- the long legs of the L run respectively parallel to the axis connecting the two outer electrodes.
- g is the history of the column 81 in the longitudinal direction of the component prevail.
- FIG. 8 applies to the inequality described above the size ratios of the gap widths g and f.
- This version is the internal electrodes shown unshaded 31 and 33 connected to ground, so put Ground electrodes dar.
- the ground electrodes are between the hatched potential-carrying internal electrodes 32 and 34 arranged and shield these against each other. This improves the decoupling continues.
- FIG. 9 shows a variation of the embodiment of FIG 8, not four but eight multilayer electrodes and corresponding internal electrodes 31, 32, 33, 34, 35, 36, 37, 38, all of which are L-shaped, integrated in a basic body are.
- FIG. 10 shows a variation with respect to FIG arranged on a side surface of the body multilayer electrodes Internal electrodes 32, 34, 36, 38 in the form of a U and are connected to ground.
- the one on the opposite Side surface arranged internal electrodes 31, 33, 35, 37 are T-shaped.
- the arrangement of Internal electrodes 31, 32, 33, 34, 35, 36, 37, 38 to each other designed so that the middle leg of the T between the Leg of the U is arranged.
- the potential-carrying internal electrodes 31, 33, 35, 37th through the ground-connected U-shaped internal electrodes shielded against each other.
- the definition of the gap width g is again to be taken from Figure 10, wherein the gap width 81st between internal electrodes 31, 32 corresponding to FIG. 8 in FIG Is dimensioned longitudinal direction of the body.
- the T-shaped Internal electrodes 32, 34, 36, 38 can be depicted as in the figure have the same or different lengths.
- FIG. 11 shows a variation of the representation from FIG. 10, wherein the T-shaped internal electrodes 31, 32, 35, 37 with respect to the central portion of the T in different lengths L1, L2 are executed.
- the length of the legs of the U-shaped internal electrodes 32, 34, 36, 38 remain unchanged, are with Mass connected and thus ensure an unchanged good Shielding and decoupling of adjacent internal electrodes.
- FIG. 18 shows a variation of the illustrations from FIG. 8 and 10, wherein the potential-carrying internal electrodes to a common internal electrode 33 are united, the space between opposing internal electrodes almost completely fills.
- the potential-carrying T-shaped Internal electrodes 32, 34, 36 U-shaped and thus provides a good shielding and decoupling of the internal electrodes 32, 34, 36 for sure.
- FIG. 12 shows a variation of the representation from FIG. 4, wherein the internal electrodes 61, 62 are different from each other Have lengths L1, L2. According to FIG. 12, the width of the Gaps 81 between the multilayer electrodes 51, 52 by those internal electrodes 31, 32 that determine the lowest Distance from each other.
- FIG. 13 shows a variation of the illustration of FIG. 12; wherein the internal electrodes 31, 32 are greatly shortened, thus a very wide gap 81 between opposed multilayer electrodes arises.
- the gap 81 are more stacks 63, 64, 65 of superimposed internal electrodes 3 are arranged. This creates a series connection of several subcolumns, which allow the capacitance of the capacitors to further degrade.
- FIG. 14 shows a variation of the representation from FIG. 13, wherein the internal electrodes 3 of the stacks 63, 64, 65 to the internal electrodes the stack 61, 62 offset in height, ie in different layers of the stack are arranged. Thereby The capacity of the capacitor can be advantageous even further be reduced.
- FIG. 15 shows a variation of the detail B from FIG. 3, wherein the internal electrodes 31, 32 are concave. she each form at its ends two tips 102, 101; 103, 104.
- FIG. 16 shows a further variation to the detail B in FIG 3.
- the internal electrodes 31, 32 are convex.
- FIG. 17 shows a further variation of the detail B FIG. 3.
- the internal electrodes 31, 32 are in a middle region each provided with a tip 101 and 102, respectively.
- the invention is not limited to capacitors and varistors, but includes multilayer components of all kinds.
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
- Figur 1
- zeigt beispielhaft ein Vielschichtbauelement in einer Draufsicht.
- Figur 2
- zeigt das Vielschichtbauelement aus Figur 1 in einer Seitenansicht.
- Figur 3
- zeigt das Vielschichtbauelement aus Figur 1 in einem Längsschnitt.
- Figur 4
- zeigt den Schnitt entlang der Linie C-C aus Figur 3.
- Figur 5
- zeigt eine Darstellung eines Bauelements gemäß Figur 3 mit dem Unterschied, daß eine weitere Vielschichtelektrode in der Mitte vorgesehen ist.
- Figur 6
- zeigt eine Darstellung eines Bauelements entsprechend Figur 3 mit dem Unterschied, daß Elektrodenschichten unterschiedliche Längen aufweisen.
- Figur 7
- zeigt eine Darstellung eines Bauelements entsprechend Figur 3 mit dem Unterschied, daß acht Vielschichtelektroden integriert sind.
- Figur 8
- zeigt eine Darstellung entsprechend Figur 3 mit dem Unterschied, daß Elektrodenschichten L-förmig ausgebildet sind.
- Figur 9
- zeigt eine Darstellung entsprechend Figur 8 mit dem Unterschied, daß acht anstelle von vier Vielschichtelektroden integriert sind.
- Figur 10
- zeigt eine Darstellung entsprechend Figur 9 mit dem
Unterschied, daß Elektrodenschichten U-förmig bzw.
T-förmig ausgebildet sind. - Figur 11
- zeigt eine Darstellung entsprechend Figur 10 mit dem Unterschied, daß Elektrodenschichten unterschiedliche Längen aufweisen.
- Figur 12
- zeigt einen Querschnitt entsprechend Figur 4 mit dem Unterschied, daß die Innenelektroden unterschiedliche Längen aufweisen.
- Figur 13
- zeigt einen Querschnitt entsprechend Figur 4 mit dem Unterschied, daß im Spalt weitere Innenelektroden angeordnet sind.
- Figur 14
- zeigt eine Darstellung entsprechend Figur 13 mit dem Unterschied, daß die im Spalt angeordneten Innenelektroden zu den Innenelektroden der Vielschichtelektroden in der Höhe versetzt sind.
- Die Figuren 15, 16 und 17
- zeigen für den Ausschnitt B aus Figur 3 weitere Ausführungsformen.
- Figur 18
- zeigt ein Vielschichtbauelement mit einer gemeinsamen Masseelektrode in einem Längsschnitt.
- Figur 19
- zeigt ein weiteres Vielschichtbauelement mit einer gemeinsamen Masseelektrode in einem Längsschnitt.
- 1
- Grundkörper
- 2
- Dielektrikumschicht
- 3, 31, 32, 33, 34, 35, 36, 37, 38, 39
- Elektrodenschicht
- 41, 42
- Seitenfläche
- 51, 52, 53, 54, 55, 56, 57, 58, 59
- Vielschichtelektrode
- 61, 62, 63, 64, 65 71, 72, 73, 74, 75,
- Stapel
- 76, 77, 78, 791, 792
- Außenelektrode
- 81, 82, 83, 84
- Spalt
- 91, 92
- Stirnfläche
- 101, 102, 103, 104
- Spitze
- A
- Grundfläche
- L1, L2, L3, L4
- Länge
- B
- Ausschnitt
- 1
- Länge
- b
- Breite
- d
- Länge
- s
- Höhe
- g, f
- Breite
Claims (19)
- Elektrisches Vielschichtbauelement,mit einem monlithischen Grundkörper (1), mit einem Stapel in dem alternierend übereinander Dielektrikumschichten (2) und eine oder mehrere gleich aufgebaute Elektrodenschichten (3, 31, 32, 33, 34, 35, 36, 37, 38, 39) angeordnet sind,bei dem der Grundkörper (1) zwei entlang der Stapelrichtung verlaufende, einander gegenüberliegende Seitenflächen (41, 42) aufweist,bei dem an jeder der Seitenflächen (41, 42) mindestens vier Außenelektroden (51, 53; 52, 54) vorgesehen sind,mit einer Vielzahl von Innenelektroden (51, 52, 53, 54, 55, 56, 57, 58), die in der Elektrodenschicht so ausgebildet sind, daß sie paarweise in einem Abstand g einander gegenüberliegend angeordnet sind, und je mit einer der Außenelektroden verbunden sind,bei dem alle in verschiedenen Elektrodenschichten angeordneten und mit der gleichen Außenelektrode verbundenen Innenelektroden (3, 31, 32, 33, 34, 35, 36, 37, 38) einander überlappen und so eine Vielschichtelektrode (51) ausbildenbei dem die Innenelektroden einer Vielschichtelektrode (51) von den Innenelektroden (32, 33) anderer Vielschichtelektroden (52, 53) durch lateral zu den Schichten (31, 32, 33, 34) verlaufende Spalte (81, 82) der Breite f beabstandet sind
- Bauelement nach Anspruch 1, bei dem eine weitere Vielschichtelektrode (59) vorgesehen ist, deren Innenelektroden (39) im Spalt (81) zwischen gegenüberliegenden Innenelektroden (31, 32) verlaufen und deren Außenelektrode (791, 792) an einer Stirnfläche (91, 92) des Grundkörpers (1) angeordnet ist.
- Bauelement nach einem der Ansprüche 1 oder 2, bei dem Vielschichtelektroden (51, 52, 53, 54, 55, 56, 57, 58) mit unterschiedlicher Anzahl von Elektrodenschichten (31, 32, 33, 34, 35, 36, 37, 38) vorgesehen sind.
- Bauelement nach einem der Ansprüche 1 bis 3, bei dem Vielschichtelektroden (51, 52, 53, 54, 55, 56, 57, 58) vorgesehen sind, deren Innenelektroden (31, 32, 33, 34, 35, 36, 37, 38) verschiedene Flächen aufweisen.
- Bauelement nach einem der Ansprüche 1 bis 4, bei dem Vielschichtelektroden (51, 52, 53, 54, 55, 56, 57, 58) vorgesehen sind, deren Innenelektroden (31, 32, 33, 34, 35, 36, 37, 38) verschiedene Längen (L1, L2) aufweisen.
- Bauelement nach einem der Ansprüche 1 bis 5, bei dem Dielektrikumschichten (2) mit unterschiedlichen Dielektrizitätskonstanten vorhanden sind.
- Bauelement nach einem der Ansprüche 1 bis 6, bei dem die Dielektrikumschichten (2) ein Keramikmaterial mit Varistoreffekt umfassen.
- Bauelement nach Anspruch 7, bei dem die Dielektrikumschichten (2) ZnO-Bi oder ZnO-Pr enthalten.
- Bauelement nach einem der Ansprüche 1 bis 8, bei dem die Dielektrikumschichten (2) eine Kondensatorkeramik auf der Basis von Bariumtitanat enthalten.
- Bauelement nach einem der Ansprüche 1 bis 9, bei dem Innenelektroden (31, 32) an den Innenseiten konkav oder konvex ausgeformt sind.
- Bauelement nach einem der Ansprüche 1 bis 10, bei dem Innenelektroden (31, 32) an den Innenseiten Spitzen (101, 102, 103, 104) aufweisen.
- Bauelement nach einem der Ansprüche 1 bis 11, bei dem in einem Spalt (81) Stapel (63, 64, 65) von übereinanderliegenden Innenelektroden (3) angeordnet sind.
- Bauelement nach Anspruch 12, bei dem die Elektrodenschichten (3) eines in einem Spalt (81) angeordneten Stapels (63, 64, 65) versetzt zu den Elektrodenschichten (31, 32) einer Vielschichtelektrode (51, 52) angeordnet sind.
- Bauelement nach einem der Ansprüche 1 bis 13, bei dem der Grundkörper (1) eine Grundfläche (A) aufweist, die kleiner als 5,2 mm2 ist und das mindestens vier Vielschichtelektroden (51, 52, 53, 54) enthält.
- Bauelement nach einem der Ansprüche 1 bis 14, bei dem der Grundkörper (1) eine Grundfläche (A) aufweist, die kleiner als 8 mm2 ist und das mindestens vier Vielschichtelektroden (51 bis 54) enthält.
- Bauelement nach einem der Ansprüche 1 bis 15, bei dem die Elektrodenschichten (3, 31, 32, 33, 34, 35, 36, 37, 38) Ag, Pd, Pt, Cu, Ni oder eine Legierung aus Ag und Pd oder aus Ag und Pt enthalten.
- Bauelement nach einem der Ansprüche 1 bis 16, bei dem Innenelektroden (31, 32, 33, 34, 35, 36, 37, 38) L-förmig gestaltet sind.
- Bauelement nach einem der Ansprüche 1 bis 17, bei dem Innenelektroden (31, 32, 33, 34, 35, 36, 37, 38) T-förmig gestaltet sind.
- Bauelement nach einem der Ansprüche 1 bis 18, bei dem Innenelektroden (31, 32, 33, 34, 35, 36, 37, 38) U-förmig gestaltet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE2002135011 DE10235011A1 (de) | 2002-07-31 | 2002-07-31 | Elektrisches Vielschichtbauelement |
DE10235011 | 2002-07-31 |
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EP1391898A1 true EP1391898A1 (de) | 2004-02-25 |
EP1391898B1 EP1391898B1 (de) | 2006-09-13 |
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EP20030017396 Expired - Lifetime EP1391898B1 (de) | 2002-07-31 | 2003-07-31 | Elektrisches Vielschichtbauelement |
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DE (2) | DE10235011A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006035984A2 (en) * | 2004-09-27 | 2006-04-06 | Matsushita Electric Industrial Co., Ltd. | Multi-layer capacitor and molded capacitor |
EP1659597A2 (de) * | 2004-11-18 | 2006-05-24 | TDK Corporation | Vielschichtkondensator |
WO2006058533A1 (de) * | 2004-12-03 | 2006-06-08 | Epcos Ag | Vielschichtbauelement mit mehreren varistoren unterschiedlicher kapazität als esd-schutzelement |
WO2006119753A2 (de) * | 2005-05-12 | 2006-11-16 | Epcos Ag | Elektrisches durchführungsbauelement mit vielschichtstruktur und verfahren zu dessen herstellung |
WO2012126774A1 (de) * | 2011-03-24 | 2012-09-27 | Epcos Ag | Elektrisches vielschichtbauelement |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006013227A1 (de) * | 2005-11-11 | 2007-05-16 | Epcos Ag | Elektrisches Vielschichtbauelement |
DE102007007113A1 (de) * | 2007-02-13 | 2008-08-28 | Epcos Ag | Vielschicht-Bauelement |
DE102013102686A1 (de) * | 2013-03-15 | 2014-09-18 | Epcos Ag | Elektronisches Bauelement |
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US5590016A (en) * | 1993-12-16 | 1996-12-31 | Tdk Corporation | Multilayer through type capacitor array |
US5880925A (en) * | 1997-06-27 | 1999-03-09 | Avx Corporation | Surface mount multilayer capacitor |
EP0929084A2 (de) * | 1998-01-09 | 1999-07-14 | TDK Corporation | Laminat-Varistor |
WO2001003148A2 (de) * | 1999-07-06 | 2001-01-11 | Epcos Ag | Vielschichtvaristor niedriger kapazität |
DE10064447A1 (de) * | 2000-12-22 | 2002-07-11 | Epcos Ag | Elektrisches Vielschichtbauelement und Entstörschaltung mit dem Bauelement |
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- 2002-07-31 DE DE2002135011 patent/DE10235011A1/de not_active Ceased
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2003
- 2003-07-31 DE DE50305015T patent/DE50305015D1/de not_active Expired - Lifetime
- 2003-07-31 EP EP20030017396 patent/EP1391898B1/de not_active Expired - Lifetime
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US5590016A (en) * | 1993-12-16 | 1996-12-31 | Tdk Corporation | Multilayer through type capacitor array |
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EP0929084A2 (de) * | 1998-01-09 | 1999-07-14 | TDK Corporation | Laminat-Varistor |
WO2001003148A2 (de) * | 1999-07-06 | 2001-01-11 | Epcos Ag | Vielschichtvaristor niedriger kapazität |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006035984A2 (en) * | 2004-09-27 | 2006-04-06 | Matsushita Electric Industrial Co., Ltd. | Multi-layer capacitor and molded capacitor |
WO2006035984A3 (en) * | 2004-09-27 | 2006-08-10 | Matsushita Electric Ind Co Ltd | Multi-layer capacitor and molded capacitor |
EP1659597A2 (de) * | 2004-11-18 | 2006-05-24 | TDK Corporation | Vielschichtkondensator |
EP1659597A3 (de) * | 2004-11-18 | 2007-01-03 | TDK Corporation | Vielschichtkondensator |
WO2006058533A1 (de) * | 2004-12-03 | 2006-06-08 | Epcos Ag | Vielschichtbauelement mit mehreren varistoren unterschiedlicher kapazität als esd-schutzelement |
US7986213B2 (en) | 2004-12-03 | 2011-07-26 | Epcos Ag | Multi-layered component with several varistors having different capacities as an ESD protection element |
WO2006119753A2 (de) * | 2005-05-12 | 2006-11-16 | Epcos Ag | Elektrisches durchführungsbauelement mit vielschichtstruktur und verfahren zu dessen herstellung |
WO2006119753A3 (de) * | 2005-05-12 | 2007-03-29 | Epcos Ag | Elektrisches durchführungsbauelement mit vielschichtstruktur und verfahren zu dessen herstellung |
WO2012126774A1 (de) * | 2011-03-24 | 2012-09-27 | Epcos Ag | Elektrisches vielschichtbauelement |
CN103443876A (zh) * | 2011-03-24 | 2013-12-11 | 埃普科斯股份有限公司 | 电多层器件 |
CN103443876B (zh) * | 2011-03-24 | 2016-10-12 | 埃普科斯股份有限公司 | 电多层器件 |
Also Published As
Publication number | Publication date |
---|---|
DE50305015D1 (de) | 2006-10-26 |
DE10235011A1 (de) | 2004-02-26 |
EP1391898B1 (de) | 2006-09-13 |
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