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Electronic Components
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A technology of electronic components and capacitors, applied in electrical components, waveguide devices, circuits, etc., to achieve the effect of suppressing the generation of parasitic signals
Active Publication Date: 2017-07-21
MURATA MFG CO LTD
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[0003] However, in the multilayer bandpass filter described in Patent Document 1, self-resonance of capacitor electrodes occurs
Method used
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Deformed example 1
[0097] Hereinafter, an electronic component according to a modified example will be described with reference to the drawings. Figure 4 It is an exploded perspective view of the laminated body 12 of the electronic component 10a which concerns on Modification 1. FIG.
[0098] The difference between the electronic component 10a and the electronic component 10 is that the insulator layer 18i, the coupling conductor layer 36, and the via conductors v14, v34, v63, and v73 are not provided. Since the coupling conductor layer 36 is not provided, in the electronic component 10 a, the degree of coupling between the LC parallel resonator LC1 and the LC parallel resonator LC2 is lower than that of the electronic component 10 .
[0099] Even the electronic component 10a having the above configuration can suppress generation of spurious signals similarly to the electronic component 10 .
[0101] The inventors of the present application performed computer simulations...
Deformed example 2
[0107] Hereinafter, an electronic component according to Modification 2 will be described with reference to the drawings. Figure 9 It is an exploded perspective view of an electronic component 10b according to Modification 2. FIG.
[0108] The difference between the electronic component 10b and the electronic component 10 is that there are no connection electrodes 16a, 16b, return electrodes 17a, 17b, insulator layer 18e, lead-out conductor layers 26a, 26b, via-hole conductors v4, v9, v24, v29 , v44, v48, and with through-hole conductors v80 ~ v85.
[0109] In more detail, in the electronic component 10b, an external electrode is comprised only by external electrodes 14a, 14b, and 15. As shown in FIG. Therefore, there is no need to lead out the conductor layers 26a, 26b. Furthermore, the external electrodes 14a and 14b may not be drawn out on the short side on the negative side in the x-axis direction and the short side on the positive side in the x-axis direction of the in...
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Abstract
The invention provides an electronic component capable of suppressing the generation of spurious signals. The laminate (12) is formed by laminating a plurality of insulator layers (18). The LC parallel resonator ( LC1 ) is provided in the laminate ( 12 ) and is composed of a coil ( L1 ) and a capacitor ( C1 ). The LC parallel resonator ( LC1 ) has a ring shape when viewed from the x-axis direction. The capacitor (C1) comprises: a capacitor conductor layer (30a), which is connected to one end of the coil (L1); and a resonant ground conductor layer (34), which is connected to the coil ( The other end of L1) is connected and arranged on the positive direction side closer to the z-axis direction than the capacitor conductor layer (30a), and the resonant ground conductor layer (34) is separated from the capacitor conductor layer ( 30a) Relative. The external electrode (15) is provided on the negative side in the z-axis direction relative to the LC parallel resonator (LC1), and faces the capacitor conductor layer (30a) via the insulator layer (18).
Description
technical field [0001] The invention relates to electronic components, in particular to electronic components with built-in LC parallel resonators. Background technique [0002] As a conventional electronic component, for example, a laminated bandpass filter described in Patent Document 1 is known. The laminated bandpass filter includes a laminated body and a plurality of LC parallel resonators. The laminated body is constituted by laminating a plurality of dielectriclayers. Each LC parallel resonator is composed of capacitor electrodes and inductor electrodes. The inductor electrodes are formed in a ring shape. Also, the toroidal surfaces of the respective LC parallel resonators overlap each other. In the above-mentioned multilayer bandpass filter, since the toroids overlap each other, the degree of coupling between the inductor electrodes of the adjacent LC parallel resonators can be increased, and a wide band can be realized. [0003] However, in the multilayer band...
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