Electronic components
The electronic component's conductor arrangement forms suspended structures to enhance magnetic flux regions, increasing inductor volume and improving the Q value in multilayer band-pass filters.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- TDK CORP
- Filing Date
- 2022-07-15
- Publication Date
- 2026-05-11
AI Technical Summary
Existing electronic components face challenges in improving the Q value, which is a measure of the quality factor indicating the sharpness of resonance, particularly in multilayer band-pass filters.
The electronic component design includes conductors and connecting conductors arranged in specific configurations to form suspended structures, creating spaces for magnetic flux generation, thereby increasing the apparent volume of the inductor and enhancing the Q value.
The improved design secures regions for magnetic field formation, resulting in increased apparent inductor volume and enhanced Q value performance.
Smart Images

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Abstract
Description
Technical Field
[0001] The present invention relates to an electronic component.
Background Art
[0002] Patent Document 1 discloses a laminate of a plurality of dielectric layers and a plurality of electrode layers. Among the plurality of electrode layers, a first capacitor electrode, a second capacitor electrode facing the first capacitor electrode, and an inductor electrode are configured, where the first end of the inductor electrode is connected to the first capacitor electrode, the second end is connected to the second capacitor electrode, and a loop with the first end as the starting point and the second end as the ending point is formed. The inductor electrode is composed of a line electrode formed along the dielectric layer and a via electrode extending in the stacking direction of the dielectric layer. A multilayer band-pass filter provided with three or more LC parallel resonators constituted by the first capacitor electrode, the second capacitor electrode, and the inductor electrode is disclosed. In the multilayer band-pass filter described in Patent Document 1, the inductor electrodes of the plurality of LC parallel resonators are arranged such that the loop plane of the inductor electrode is radial from the central axis extending in the stacking direction of the dielectric layer, and the inductor electrode of the LC parallel resonator in the input stage and the inductor electrode of the LC parallel resonator in the output stage are adjacent to each other.
Prior Art Documents
Patent Documents
[0003]
Patent Document 1
Summary of the Invention
Problems to be Solved by the Invention
[0004] One aspect of the present invention aims to provide an electronic component with improved Q value.
Means for Solving the Problems
[0005] (1) An electronic component according to one aspect of the present invention comprises: a first conductor extending in one direction; a second conductor extending in one direction; a first connecting conductor extending linearly and spanning between the end of the first conductor in the direction of extension and the end of the second conductor in the direction of extension; a connecting conductor extending in one direction and having a first end and a second end in the direction of extension, wherein the first end is connected to the first connecting conductor and is located between the first conductor and the second conductor; and a capacitor pad electrically connected to the second end of the connecting conductor.
[0006] In an electronic component according to one aspect of the present invention, the connecting conductor electrically connected to the capacitor pad is connected to a first connecting conductor that spans between the first conductor and the second conductor, and is located between the first conductor and the second conductor. That is, the connecting conductor is suspended from the first connecting conductor. As a result, a space is formed between the first conductor and the connecting conductor, and between the second conductor and the connecting conductor in the electronic component. Therefore, the electronic component can secure a region where magnetic flux is generated around the connecting conductor, and thus a magnetic field can be formed around the connecting conductor. Consequently, the apparent volume of the inductor, which is composed of the first conductor, the second conductor, the first connecting conductor, and the connecting conductor, can be increased in the electronic component. As a result, the Q value can be improved in the electronic component.
[0007] (2) The electronic component as described in (1), wherein the first end of the connecting conductor is connected to the central part of the first connecting conductor in the direction of extension. In this configuration, the distance between each of the first conductor and the second conductor and the connecting conductor can be made equal. Therefore, a space can be appropriately formed between each of the first conductor and the second conductor and the connecting conductor.
[0008] (3) The electronic component according to (1) or (2), comprising a third conductor extending in one direction, a fourth conductor extending in one direction, and a second connecting conductor that extends linearly and is installed between the end of the third conductor in the direction of extension and the end of the fourth conductor in the direction of extension, wherein the first end of the connecting conductor is connected to the second connecting conductor and is located between the third conductor and the fourth conductor. In this configuration, the connecting conductor is suspended from the second connecting conductor. As a result, spaces are formed between the third conductor and the connecting conductor, and between the fourth conductor and the connecting conductor in the electronic component. Therefore, the electronic component can secure a region where magnetic flux is generated around the connecting conductor, and thus a magnetic field can be formed around the connecting conductor. Consequently, the apparent volume of the inductor, which is composed of the first conductor, second conductor, third conductor, fourth conductor, first connecting conductor, second connecting conductor and connecting conductor, can be increased in the electronic component. As a result, the Q value can be improved in the electronic component.
[0009] (4) The electronic component as described in (3), wherein the first connecting conductor and the second connecting conductor are arranged such that, when viewed from one direction, the extending direction of the first connecting conductor and the extending direction of the second connecting conductor intersect, and the first end of the connecting conductor is connected to the intersection of the first connecting conductor and the second connecting conductor. In this configuration, the distances between each of the first conductor, second conductor, third conductor and fourth conductor and the connecting conductor can be made equal. Therefore, a space can be appropriately formed between each of the first conductor, second conductor, third conductor and fourth conductor and the connecting conductor.
[0010] (5) An electronic component according to any one of (1) to (4), having multiple capacitor pads and a third connecting conductor that connects the second end of a connecting conductor to each of the multiple capacitor pads. In this configuration, multiple resonators can be formed.
[0011] (6) An electronic component according to (3) or (4), comprising a body having a rectangular parallelepiped shape, having a pair of end faces facing each other in a first direction, a pair of mounting faces and a main face facing each other in a second direction, and a pair of side faces facing each other in a third direction, wherein the first conductor, second conductor, third conductor and fourth conductor extend along the second direction, and when viewed from the second direction, the first conductor and second conductor are located on the first diagonal within the body, and the third conductor and fourth conductor are located on the second diagonal intersecting the first diagonal within the body. In this configuration, the distance between the first conductor and the second conductor, and the distance between the third conductor and the fourth conductor can be maximized within the body. Therefore, in the electronic component, the apparent volume of the inductor, which includes the first conductor, second conductor, third conductor, fourth conductor, first connecting conductor, second connecting conductor and linking conductor, can be maximized within the limited space within the body. As a result, the Q value can be improved in the electronic component. [Effects of the Invention]
[0012] According to one aspect of the present invention, the Q value can be improved. [Brief explanation of the drawing]
[0013] [Figure 1] Figures 1(a) and 1(b) are perspective views of an electronic component according to the first embodiment. [Figure 2] Figure 2 is a transparent perspective view of the electronic component shown in Figure 1. [Figure 3] Figure 3 is a transparent perspective view of the electronic component shown in Figure 1. [Figure 4] Figure 4 is a top view of the electronic component shown in Figure 1. [Figure 5] Figure 5 is an end view of the electronic component shown in Figure 1. [Figure 6] Figure 6 is a side view of the electronic component shown in Figure 1. [Figure 7] Figure 7 is the equivalent circuit diagram of the electronic component shown in Figure 1. [Figure 8] Figure 8 is a transparent perspective view of an electronic component according to the second embodiment. [Figure 9] FIG. 9 is a perspective view of the electronic component shown in FIG. 8 as seen through. [Figure 10] FIG. 10 is a top view of the electronic component shown in FIG. 8. [Figure 11] FIG. 11 is an end view of the electronic component shown in FIG. 8. [Figure 12] FIG. 12 is a side view of the electronic component shown in FIG. 8.
BEST MODE FOR CARRYING OUT THE INVENTION
[0014] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same or corresponding elements are denoted by the same reference numerals, and duplicate descriptions are omitted.
[0015] [First Embodiment] Referring to FIGS. 1(a), 1(b), 2, and 3, the electronic component according to the first embodiment will be described. FIGS. 1(a) and 1(b) are perspective views of the electronic component according to the first embodiment. FIG. 2 is a perspective view of the electronic component shown in FIG. 1 as seen through. FIG. 3 is a perspective view of the electronic component shown in FIG. 1 as seen through. As shown in FIGS. 1(a), 1(b), 2, and 3, the electronic component 1 includes a body 2, a first terminal electrode 3, a second terminal electrode 4, a third terminal electrode 5, and a resonator 6. In FIGS. 2 and 3, for convenience of explanation, the body 2 is shown by a two-dot chain line.
[0016] The body 2 has a rectangular parallelepiped shape. The rectangular parallelepiped shape includes a shape of a rectangular parallelepiped with chamfered corners and ridge lines, and a shape of a rectangular parallelepiped with rounded corners and ridge lines. As an outer surface, the body 2 has a pair of end faces 2a, 2b, a pair of main faces 2c, 2d, and a pair of side faces 2e, 2f. The end faces 2a, 2b face each other. The main faces 2c, 2d face each other. The side faces 2e, 2f face each other. Hereinafter, the direction in which the end faces 2a, 2b face each other is defined as the first direction D1, the direction in which the main faces 2c, 2d face each other is defined as the second direction (one direction) D2, and the direction in which the side faces 2e, 2f face each other is defined as the third direction D3. The first direction D1, the second direction D2, and the third direction D3 are substantially orthogonal to each other.
[0017] The end faces 2a, 2b extend in the second direction D2 so as to connect the main faces 2c, 2d. The end faces 2a, 2b also extend in the third direction D3 so as to connect the side faces 2e, 2f. The main faces 2c, 2d extend in the first direction D1 so as to connect the end faces 2a, 2b. The main faces 2c, 2d also extend in the third direction D3 so as to connect the side faces 2e, 2f. The side faces 2e, 2f extend in the first direction D1 so as to connect the end faces 2a, 2b. The side faces 2e, 2f also extend in the second direction D2 so as to connect the main faces 2c, 2d.
[0018] The main face 2d is a mounting face, for example, when mounting the electronic component 1 to another electronic device (for example, a circuit substrate or a multilayer electronic component) not shown in the figure, it is the face facing the other electronic device. The end faces 2a, 2b are faces continuous from the mounting face (that is, the main face 2d).
[0019] The length of the element body 2 in the first direction D1 is longer than the length of the element body 2 in the second direction D2 and the length of the element body 2 in the third direction D3. The length of the element body 2 in the second direction D2 is shorter than the length of the element body 2 in the third direction D3. That is, in the present embodiment, the end faces 2a, 2b, the main faces 2c, 2d, and the side faces 2e, 2f exhibit a rectangular shape. The length of the element body 2 in the second direction D2 may be equal to the length of the element body 2 in the third direction D3, or may be longer than the length of the element body 2 in the third direction D3.
[0020] In addition, in the present embodiment, "equivalent" may include values with slight differences or manufacturing errors within a preset range in addition to being equal. For example, if a plurality of values are included within the range of ±5% of the average value of the plurality of values, the plurality of values are defined as equivalent.
[0021] The element body 2 is formed by laminating a plurality of element layers (not shown) in the second direction D2. That is, the lamination direction of the element body 2 is the second direction D2. In the actual element body 2, the plurality of element layers may be integrated to such an extent that the boundaries between the layers are not visible, or may be integrated so that the boundaries between the layers are visible.
[0022] The base layer is composed of, for example, a sintered body of a ceramic green sheet containing a dielectric material. The dielectric material includes, for example, at least one selected from BaTiO3-based materials, Ba(Ti,Zr)O3-based materials, (Ba,Ca)TiO3-based materials, glass materials, or alumina materials.
[0023] The first terminal electrode 3, the second terminal electrode 4, and the third terminal electrode 5 are each provided on the base body 2. The first terminal electrode 3, the second terminal electrode 4, and the third terminal electrode 5 are each positioned on the main surface 2d of the base body 2. The first terminal electrode 3 and the second terminal electrode 4 are provided on the base body 2 spaced apart from each other in the first direction D1. Specifically, the first terminal electrode 3 is positioned on the end face 2a side of the base body 2. The second terminal electrode 4 is positioned on the end face 2b side of the base body 2. The third terminal electrode 5 is positioned between the first terminal electrode 3 and the second terminal electrode 4.
[0024] Each of the first terminal electrode 3, second terminal electrode 4, and third terminal electrode 5 has a rectangular shape. Each of the first terminal electrode 3, second terminal electrode 4, and third terminal electrode 5 is positioned so that each side is aligned with the first direction D1 or the third direction D3. The first terminal electrode 3, second terminal electrode 4, and third terminal electrode 5 protrude beyond the main surface 2d. That is, in this embodiment, the surfaces of each of the first terminal electrode 3, second terminal electrode 4, and third terminal electrode 5 are not flush with the main surface 2d. The first terminal electrode 3, second terminal electrode 4, and third terminal electrode 5 are made of a conductive material (for example, Cu).
[0025] Each of the first terminal electrode 3, the second terminal electrode 4, and the third terminal electrode 5 may be provided with a plating layer (not shown) containing, for example, Ni, Sn, or Au, by electroplating or electroless plating. The plating layer may have, for example, a Ni plating film containing Ni that covers the first terminal electrode 3, the second terminal electrode 4, and the third terminal electrode 5, and an Au plating film containing Au that covers the Ni plating film.
[0026] Figure 4 is a top view of the electronic component shown in Figure 1. Figure 5 is an end view of the electronic component shown in Figure 1. Figure 6 is a side view of the electronic component shown in Figure 1. As shown in Figures 1 to 6, the resonator 6 comprises a ground conductor 10, a first conductor 11, a second conductor 12, a third conductor 13, a fourth conductor 14, an inductor conductor 15, a connecting conductor 16, and a capacitor pad 17.
[0027] The ground conductor 10 is positioned on the main surface 2d side of the element 2. The ground conductor 10 has a rectangular shape when viewed from the second direction D2. The ground conductor 10 is electrically connected to the first terminal electrode 3, the second terminal electrode 4, and the third terminal electrode 5. The ground conductor 10 and the first terminal electrode 3 are electrically connected by a connecting conductor 20. The ground conductor 10 and the second terminal electrode 4 are electrically connected by a connecting conductor 21. The ground conductor 10 and the third terminal electrode 5 are electrically connected by a plurality of connecting conductors 22.
[0028] The first conductor 11 extends along the second direction D2. The first conductor 11 is, for example, cylindrical in shape. The first conductor 11 may be composed of multiple via conductors. The first conductor 11 is located at the corner of the element 2. Specifically, the first conductor 11 is located at the corner formed by the end face 2a and the side face 2f when viewed from the second direction D2. The first conductor 11 has a first end 11A and a second end 11B. The first end 11A of the first conductor 11 is connected to the first inductor conductor 18 (inductor conductor 15). The second end 11B of the first conductor 11 is connected to the ground conductor 10.
[0029] The second conductor 12 extends along the second direction D2. The second conductor 12 is, for example, cylindrical in shape. The second conductor 12 may be composed of multiple via conductors. The second conductor 12 is located at the corner of the element 2. Specifically, the second conductor 12 is located at the corner formed by the end face 2b and the side face 2e when viewed from the second direction D2. Within the element 2, the second conductor 12 and the first conductor 11 are located on the first diagonal. The second conductor 12 has a first end 12A and a second end 12B. The first end 12A of the second conductor 12 is connected to the first inductor conductor 18 (inductor conductor 15). The second end 12B of the second conductor 12 is connected to the ground conductor 10.
[0030] The third conductor 13 extends along the second direction D2. The third conductor 13 is, for example, cylindrical in shape. The third conductor 13 may be composed of multiple via conductors. The third conductor 13 is located at the corner of the element 2. Specifically, the third conductor 13 is located at the corner formed by the end face 2a and the side face 2e when viewed from the second direction D2. The third conductor 13 is located at a predetermined distance from the first conductor 11 in the third direction D3. The third conductor 13 has a first end 13A and a second end 13B. The first end 13A of the third conductor 13 is connected to the second inductor conductor 19 (inductor conductor 15). The second end 13B of the third conductor 13 is connected to the ground conductor 10.
[0031] The fourth conductor 14 extends along the second direction D2. The fourth conductor 14 is, for example, cylindrical in shape. The fourth conductor 14 may be composed of multiple via conductors. The fourth conductor 14 is located at the corner of the element 2. Specifically, the fourth conductor 14 is located at the corner formed by the end face 2b and the side face 2f when viewed from the second direction D2. Within the element 2, the fourth conductor 14 and the third conductor 13 are located on a second diagonal that intersects the first diagonal. The fourth conductor 14 is located at a predetermined distance from the second conductor 12 in the third direction D3. The fourth conductor 14 has a first end 14A and a second end 14B. The first end 14A of the fourth conductor 14 is connected to the second inductor conductor 19 (inductor conductor 15). The second end 14B of the fourth conductor 14 is connected to the ground conductor 10.
[0032] The inductor conductor 15 constitutes an inductor. In this embodiment, the inductor conductor 15 is composed of two conductors arranged opposite each other in the second direction D2. As shown in Figure 4, the inductor conductor 15 has a substantially X shape when viewed from the second direction D2. The inductor conductor 15 has a first inductor conductor (first connecting conductor) 18 and a second inductor conductor (second connecting conductor) 19. In this embodiment, the first inductor conductor 18 and the second inductor conductor 19 are formed integrally.
[0033] The first inductor conductor 18 has a predetermined width and extends in a straight line. The direction of extension of the first inductor conductor 18 coincides with the first diagonal. The first inductor conductor 18 electrically connects the first conductor 11 and the second conductor 12. The first inductor conductor 18 is installed across the first end 11A of the first conductor 11 and the first end 12A of the second conductor 12.
[0034] The second inductor conductor 19 has a predetermined width and extends in a straight line. The direction of extension of the second inductor conductor 19 coincides with the second diagonal. The second inductor conductor 19 electrically connects the third conductor 13 and the fourth conductor 14. The second inductor conductor 19 is installed across the first end 13A of the third conductor 13 and the first end 14A of the fourth conductor 14.
[0035] The first inductor conductor 18 and the second inductor conductor 19 are positioned such that their respective extending directions intersect when viewed from the second direction D2. The central part of the extending direction of the first inductor conductor 18 and the central part of the extending direction of the second inductor conductor 19 are located so as to overlap each other.
[0036] The connecting conductor 16 extends along the second direction D2. The connecting conductor 16 is, for example, cylindrical in shape. The connecting conductor 16 may be composed of multiple via conductors. The connecting conductor 16 has a first end 16A and a second end 16B. The first end 16A of the connecting conductor 16 is connected to the inductor conductor 15. Specifically, the first end 16A is connected to the intersection of the first inductor conductor 18 and the second inductor conductor 19. That is, the connecting conductor 16 is connected to the central part of the respective extending directions of the first inductor conductor 18 and the second inductor conductor 19. The connecting conductor 16 can be said to be fixed in a suspended state from the inductor conductor 15. The second end 16B of the connecting conductor 16 is connected to the capacitor pad 17.
[0037] The connecting conductor 16 is located between the first conductor 11 and the second conductor 12. The connecting conductor 16 is located on the first diagonal together with the first conductor 11 and the second conductor 12. That is, when viewed along the first diagonal, the connecting conductor 16 overlaps with the first conductor 11 and the second conductor 12. The connecting conductor 16 is located between the third conductor 13 and the fourth conductor 14. The connecting conductor 16 is located on the second diagonal together with the third conductor 13 and the fourth conductor 14. That is, when viewed along the second diagonal, the connecting conductor 16 overlaps with the third conductor 13 and the fourth conductor 14.
[0038] The capacitor pad 17 constitutes a capacitor. The capacitor pad 17 has a roughly rectangular shape. The capacitor pad 17 is connected to the connecting conductor 16. The capacitor pad 17 is connected to the second end 16B of the connecting conductor 16. The capacitor pad 17 is positioned opposite the ground conductor 10.
[0039] Figure 7 is an equivalent circuit diagram of electronic component 1 shown in Figure 1. As shown in Figure 7, electronic component 1 comprises a capacitor C1, a first inductor L1, a second inductor L2, a third inductor L3, and a fourth inductor L4. Capacitor C1, first inductor L1, second inductor L2, third inductor L3, and fourth inductor L4 constitute an LC resonator.
[0040] Capacitor C1 is composed of a ground conductor 10 and a capacitor pad 17. The first inductor L1 is composed of a first conductor 11, a connecting conductor 16, and a first inductor conductor 18. The second inductor L2 is composed of a second conductor 12, a connecting conductor 16, and a first inductor conductor 18. The third inductor L3 is composed of a third conductor 13, a connecting conductor 16, and a second inductor conductor 19. The fourth inductor L4 is composed of a fourth conductor 14, a connecting conductor 16, and a second inductor conductor 19.
[0041] As described above, in the electronic component 1 according to this embodiment, the connecting conductor 16 electrically connected to the capacitor pad 17 is connected to the first inductor conductor 18 which is installed between the first conductor 11 and the second conductor 12, and is located between the first conductor 11 and the second conductor 12. That is, the connecting conductor 16 is suspended from the first inductor conductor 18. As a result, in the electronic component 1, spaces are formed between the first conductor 11 and the connecting conductor 16, and between the second conductor 12 and the connecting conductor 16. Therefore, in the electronic component 1, a region where magnetic flux is generated around the connecting conductor 16 can be secured, and a magnetic field can be formed around the connecting conductor 16. Consequently, in the electronic component 1, the apparent volume of the inductor, which is composed of the first conductor 11, the second conductor 12, the first inductor conductor 18, and the connecting conductor 16, can be increased. As a result, the Q value can be improved in the electronic component 1.
[0042] In the electronic component 1 according to this embodiment, the first end 16A of the connecting conductor 16 is connected to the central part in the extending direction of the first inductor conductor 18. In this configuration, the distance between each of the first conductor 11 and the second conductor 12 and the connecting conductor 16 can be made equal. Therefore, a space can be appropriately formed between each of the first conductor 11 and the second conductor 12 and the connecting conductor 16.
[0043] The electronic component 1 according to this embodiment includes a third conductor 13, a fourth conductor 14, and a second inductor conductor 19. In the electronic component 1, the first end 16A of the connecting conductor 16 is connected to the second inductor conductor 19 and is located between the third conductor 13 and the fourth conductor 14. In this configuration, the connecting conductor 16 is suspended from the second inductor conductor 19. As a result, in the electronic component 1, spaces are formed between the third conductor 13 and the connecting conductor 16, and between the fourth conductor 14 and the connecting conductor 16. Therefore, in the electronic component 1, a region where magnetic flux is generated around the connecting conductor 16 can be secured, and a magnetic field can be formed around the connecting conductor 16. Consequently, in the electronic component 1, the apparent volume of the inductor, which includes the first conductor 11, the second conductor 12, the third conductor 13, the fourth conductor 14, the first inductor conductor 18, the second inductor conductor 19, and the connecting conductor 16, can be increased. As a result, the Q value can be improved in the electronic component 1.
[0044] In the electronic component 1 according to this embodiment, the first inductor conductor 18 and the second inductor conductor 19 are arranged such that, when viewed from the second direction D2, the extending direction of the first inductor conductor 18 and the extending direction of the second inductor conductor 19 intersect. The first end 16A of the connecting conductor 16 is connected to the intersection of the first inductor conductor 18 and the second inductor conductor 19. In this configuration, the distances between each of the first conductor 11, second conductor 12, third conductor 13, and fourth conductor 14 and the connecting conductor 16 can be made equal. Therefore, a space can be appropriately formed between each of the first conductor 11, second conductor 12, third conductor 13, and fourth conductor 14 and the connecting conductor 16.
[0045] In the electronic component 1 according to this embodiment, when viewed from the second direction D2, the first conductor 11 and the second conductor 12 are located on the first diagonal in the element 2, and the third conductor 13 and the fourth conductor 14 are located on the second diagonal that intersects the first diagonal within the element 2. In this configuration, the distance between the first conductor 11 and the second conductor 12, and the distance between the third conductor 13 and the fourth conductor 14 can be maximized within the element 2. Therefore, in the electronic component 1, the apparent volume of the inductor, which includes the first conductor 11, the second conductor 12, the third conductor 13, the fourth conductor 14, the first inductor conductor 18, the second inductor conductor 19, and the connecting conductor 16, can be maximized within the limited space within the element 2. As a result, the Q value can be improved in the electronic component 1.
[0046] [Second Embodiment] Next, a second embodiment will be described. Figure 8 is a transparent perspective view of an electronic component according to the second embodiment. Figure 9 is a transparent perspective view of the electronic component shown in Figure 8. As shown in Figures 8 and 9, the electronic component 1A comprises a base body 2, a first terminal electrode 3, a second terminal electrode 4, a third terminal electrode 5, and a resonator 6A. In Figures 8 and 9, for the sake of explanation, the base body 2 is shown by a dashed line.
[0047] Figure 10 is a top view of the electronic component shown in Figure 8. Figure 11 is an end view of the electronic component shown in Figure 8. Figure 12 is a side view of the electronic component shown in Figure 8. As shown in Figures 8 to 12, the resonator 6A comprises a ground conductor 30, a first conductor 31, a second conductor 32, a third conductor 33, a fourth conductor 34, an inductor conductor 35, a connecting conductor 36, a connecting conductor 37, a connecting conductor (third connecting conductor) 38, a connecting conductor (third connecting conductor) 39, a capacitor pad 40, a capacitor pad 41, a capacitor pad 42, a capacitor pad 43, and a capacitor pad 44.
[0048] The ground conductor 30 is located on the main surface 2d side of the element 2. The ground conductor 30 has a roughly H-shape when viewed from the second direction D2. The ground conductor 30 is electrically connected to the first terminal electrode 3, the second terminal electrode 4, and the third terminal electrode 5. The ground conductor 30 and the first terminal electrode 3 are electrically connected by a connecting conductor 45. The ground conductor 30 and the second terminal electrode 4 are electrically connected by a connecting conductor 46. The ground conductor 30 and the third terminal electrode 5 are electrically connected by a plurality of connecting conductors 47.
[0049] The first conductor 31 extends along the second direction D2. The first conductor 31 is, for example, cylindrical in shape. The first conductor 31 may be composed of multiple via conductors. The first conductor 31 is located at the corner of the element 2. Specifically, the first conductor 31 is located at the corner formed by the end face 2a and the side face 2f when viewed from the second direction D2. The first conductor 31 has a first end 31A and a second end 31B. The first end 31A of the first conductor 31 is connected to the first inductor conductor 35A and the second inductor conductor 35B (inductor conductor 35). The second end 31B of the first conductor 31 is connected to the ground conductor 30.
[0050] The second conductor 32 extends along the second direction D2. The second conductor 32 is, for example, cylindrical in shape. The second conductor 32 may be composed of multiple via conductors. The second conductor 32 is located at the corner of the element 2. Specifically, the second conductor 32 is located at the corner formed by the end face 2b and the side face 2e when viewed from the second direction D2. Within the element 2, the second conductor 32 and the first conductor 31 are located on the first diagonal. The second conductor 32 has a first end 32A and a second end 32B. The first end 32A of the second conductor 32 is connected to the first inductor conductor 35A and the third inductor conductor 35C (inductor conductor 35). The second end 32B of the second conductor 32 is connected to the ground conductor 30.
[0051] The third conductor 33 extends along the second direction D2. The third conductor 33 is, for example, cylindrical in shape. The third conductor 33 may be composed of multiple via conductors. The third conductor 33 is located at the corner of the element 2. Specifically, the third conductor 33 is located at the corner formed by the end face 2a and the side face 2e when viewed from the second direction D2. The third conductor 33 is located at a predetermined distance from the first conductor 31 in the third direction D3. The third conductor 33 has a first end 33A and a second end 33B. The first end 33A of the third conductor 33 is connected to the second inductor conductor 35B (inductor conductor 35). The second end 33B of the third conductor 33 is connected to the capacitor pad 42.
[0052] The fourth conductor 34 extends along the second direction D2. The fourth conductor 34 is, for example, cylindrical in shape. The fourth conductor 34 may be composed of multiple via conductors. The fourth conductor 34 is located at the corner of the element 2. Specifically, the fourth conductor 34 is located at the corner formed by the end face 2b and the side face 2f when viewed from the second direction D2. Within the element 2, the fourth conductor 34 and the third conductor 33 are located on a second diagonal that intersects the first diagonal. The fourth conductor 34 is located at a predetermined distance from the second conductor 32 in the third direction D3. The fourth conductor 34 has a first end 34A and a second end 34B. The first end 34A of the fourth conductor 34 is connected to the third inductor conductor 35C (inductor conductor 35). The second end 34B of the fourth conductor 34 is connected to the capacitor pad 43.
[0053] The inductor conductor 35 constitutes an inductor. In this embodiment, the inductor conductor 35 is composed of two conductors arranged opposite each other in the second direction D2. As shown in Figure 10, the inductor conductor 35 has a roughly Z-shape when viewed from the second direction D2. The inductor conductor 35 has a first inductor conductor 35A, a second inductor conductor 35B, and a third inductor conductor 35C. In this embodiment, the first inductor conductor 35A, the second inductor conductor 35B, and the third inductor conductor 35C are integrally formed.
[0054] The first inductor conductor 35A has a predetermined width and extends in a straight line. The first inductor conductor 4A electrically connects the first conductor 31 and the second conductor 32. The first inductor conductor 35A is installed across the first end 31A of the first conductor 31 and the first end 32A of the second conductor 32.
[0055] The second inductor conductor 35B has a predetermined width and extends in a straight line. The second inductor conductor 35B electrically connects the first conductor 31 and the third conductor 33. The second inductor conductor 35B is installed across the first end 31A of the first conductor 31 and the first end 33A of the third conductor 33.
[0056] The third inductor conductor 35C has a predetermined width and extends in a straight line. The third inductor conductor 35C electrically connects the second conductor 32 and the fourth conductor 34. The third inductor conductor 35C is installed across the first end 32A of the second conductor 32 and the first end 34A of the fourth conductor 34.
[0057] One end of the first inductor conductor 35A is connected to one end of the second inductor conductor 35B. The other end of the first inductor conductor 35A is connected to one end of the third inductor conductor 35C.
[0058] The connecting conductor 36 extends along the second direction D2. The connecting conductor 36 is, for example, cylindrical in shape. The connecting conductor 36 may be composed of multiple via conductors. The connecting conductor 36 has a first end 36A and a second end 36B. The first end 36A of the connecting conductor 36 is connected to the inductor conductor 35. Specifically, the first end 36A is connected to the first inductor conductor 35A. The connecting conductor 36 is connected to the central part of the first inductor conductor 35A in the direction of extension. The second end 36B of the connecting conductor 36 is connected to the connecting conductor 37.
[0059] A connecting conductor 38 is connected to one end of the connecting conductor 37 in the direction of extension. The connecting conductor 38 extends along the second direction D2. A capacitor pad 40 is connected to the connecting conductor 38. The capacitor pad 40 is substantially rectangular in shape. The capacitor pad 40 is positioned opposite the ground conductor 30. A connecting conductor 39 is connected to the other end of the connecting conductor 37 in the direction of extension. The connecting conductor 39 extends along the second direction D2. A capacitor pad 41 is connected to the connecting conductor 39. The capacitor pad 41 is substantially rectangular in shape. The capacitor pad 41 is positioned opposite the ground conductor 30.
[0060] Each of the capacitor pads 42 and 43 has a roughly L-shape when viewed from the second direction D2. The capacitor pad 44 has a rectangular shape when viewed from the second direction D2. The capacitor pad 44 is positioned to overlap with each of the capacitor pads 42 and 43.
[0061] As described above, in the electronic component 1A according to this embodiment, the connecting conductor 36, which is electrically connected to the capacitor pads 40 and 41, is connected to the first inductor conductor 35A, which is installed between the first conductor 31 and the second conductor 32, and is located between the first conductor 31 and the second conductor 32. That is, the connecting conductor 36 is suspended from the first inductor conductor 35A. As a result, in the electronic component 1A, spaces are formed between the first conductor 31 and the connecting conductor 36, and between the second conductor 32 and the connecting conductor 36. Therefore, in the electronic component 1A, a region where magnetic flux is generated around the connecting conductor 36 can be secured, and a magnetic field can be formed around the connecting conductor 36. Consequently, in the electronic component 1A, the apparent volume of the inductor, which includes the first conductor 31, the second conductor 32, the first inductor conductor 35A, and the connecting conductor 36, can be increased. As a result, the Q value can be improved in the electronic component 1A.
[0062] The electronic component 1A according to this embodiment includes connecting conductors 38 and 39 that connect the second end 36B of the connecting conductor 36 to each of the multiple capacitor pads 40 and capacitor pads 41. This allows the electronic component 1A to configure multiple resonators.
[0063] While embodiments of the present invention have been described above, the present invention is not necessarily limited to the embodiments described above, and various modifications are possible without departing from the spirit of the invention.
[0064] In the first embodiment described above, an example was described in which the inductor conductor 15 of the electronic component 1 has a first inductor conductor 18 and a second inductor conductor 19. However, the electronic component 1 may also be configured to have only the first inductor conductor 18 (second inductor conductor 19).
[0065] In the first embodiment described above, the connecting conductor 16 was described as being connected to the central portion of the extending direction of the first inductor conductor 18 and the second inductor conductor 19, respectively. However, the connecting conductor 16 may be connected to other positions.
[0066] In the second embodiment described above, the connecting conductor 36 was described as being connected to the central part of the first inductor conductor 35A in its extending direction. However, the connecting conductor 36 may be connected to other locations on the first inductor conductor 35A. [Explanation of Symbols]
[0067] 1,1A...Electronic component, 2...Element body, 2a,2b...End surface, 2c,2d...Main surface, 2e,2f...Side surface, 11,31...First conductor, 11A,12A,13A,14A,16A,31A, 32A,33A,34A,36A...first end, 11B,12B,13B,14B,16B,31B,32B,33B,34B,36B...second end, 12,32...second conductor, 13,33...Third conductor, 14,34...Fourth conductor, 16,36...Connecting conductor, 17,40,41,42,43,44...Capacitor pad, 18,35A...First inductor conductor (first connecting conductor), 19...Second inductor conductor (second connecting conductor), 38,39...Connecting conductor (third connecting conductor), D1...First direction, D2...Second direction (one direction), D3...Third direction.
Claims
1. A base body and A first conductor, which is placed inside the aforementioned element and extends in one direction, A second conductor, which is disposed within the element and extends in one direction, A first connecting conductor is arranged within the element and is installed to extend linearly between the end of the first conductor in the extending direction and the end of the second conductor in the extending direction. A connecting conductor disposed within the element, extending in one direction and having a first end and a second end in the direction of extension, wherein the first end is connected to the first connecting conductor and the connecting conductor is located between the first conductor and the second conductor, An electronic component comprising: a capacitor pad disposed within the element and electrically connected to the second end of the connecting conductor.
2. The electronic component according to claim 1, wherein the first end of the connecting conductor is connected to the central portion in the extending direction of the first connecting conductor.
3. The third conductor extending in one direction, The fourth conductor extending in one direction, A second connecting conductor is installed, extending linearly from the end of the third conductor in the extending direction to the end of the fourth conductor in the extending direction, The electronic component according to claim 1 or 2, wherein the first end of the connecting conductor is connected to the second connecting conductor and is located between the third conductor and the fourth conductor.
4. The first connecting conductor and the second connecting conductor are arranged such that, when viewed from one direction, the extending direction of the first connecting conductor and the extending direction of the second connecting conductor intersect. The electronic component according to claim 3, wherein the first end of the connecting conductor is connected to the intersection of the first connecting conductor and the second connecting conductor.
5. The aforementioned capacitor pad has multiple pads, The electronic component according to claim 1 or 2, further comprising a third connecting conductor that connects the second end of the connecting conductor to each of the plurality of capacitor pads.
6. The element has a pair of end faces facing each other in a first direction, a pair of mounting faces and a main face facing each other in a second direction, and a pair of side faces facing each other in a third direction, and exhibits a rectangular parallelepiped shape. The first conductor, the second conductor, the third conductor, and the fourth conductor extend along the second direction. The electronic component according to claim 3, wherein, when viewed from the second direction, the first conductor and the second conductor are located on a first diagonal within the element, and the third conductor and the fourth conductor are located on a second diagonal that intersects the first diagonal within the element.