Inductor component and method of manufacturing same
A manufacturing method and inductor technology, applied in the direction of inductor/transformer/magnet manufacturing, inductor, transformer/inductor parts, etc., to achieve the effect of suppressing the increase
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no. 1 approach
[0087] (structure)
[0088] figure 1 It is a perspective plan view showing the first embodiment of the inductor component. figure 2 yes figure 1 XX-X section view.
[0089] The inductor component 1 is mounted on electronic devices such as personal computers, DVD players, digital cameras, TVs, mobile phones, and automotive electronics, and is, for example, a rectangular parallelepiped-shaped component as a whole. However, the shape of the inductor component 1 is not particularly limited, and may be a columnar shape, a polygonal columnar shape, a truncated cone shape, or a polygonal truncated cone shape.
[0090] Such as figure 1 with figure 2 As shown, inductor component 1 has magnetic layer 10 , insulating layer 15 , spiral wiring 21 , columnar wiring 31 , 32 , external terminals 41 , 42 , and cover film 50 .
[0091] The insulating layer 15 has the 1st main surface 15a which is an upper surface, and the 2nd main surface 15b which is a lower surface. In the figure, le...
no. 2 approach
[0165] Figure 4 It is a cross-sectional view showing the second embodiment of the inductor component. The second embodiment differs from the first embodiment in the arrangement of insulating layers. This different configuration will be described below. The other configurations are the same as those of the first embodiment, and are given the same reference numerals as those of the first embodiment, and description thereof will be omitted.
[0166] Such as Figure 4 As shown, in the inductor component 1A of the second embodiment, the spiral wiring 21 has a spiral shape of more than one turn. In a region exceeding one turn of the spiral wiring 21 and where the wirings are parallel to each other, the side faces of the spiral wiring 21 are covered with the insulating layer 15 . In other words, the insulating layer 15 covers the lower surface of the spiral wiring 21 as in the first embodiment, and exists between the wirings of the spiral wiring 21 in a region of more than one t...
no. 3 approach
[0171] Figure 5 It is a sectional view showing the third embodiment of the inductor component. The third embodiment differs from the first embodiment in the number of layers of spiral wiring. This different configuration will be described below. The other configurations are the same as those of the first embodiment, and are assigned the same symbols as those of the first embodiment, and description thereof will be omitted.
[0172] Such as Figure 5 As shown, like the inductor component 1 according to the first embodiment, the inductor component 1B of the second embodiment includes insulating layers 15a, 15b, and a spiral arrangement formed on the first main surface 15a of the insulating layers 15a, 15b. The wires 21 , 22 , and the magnetic layer 10 are in contact with at least a part of the spiral wiring 21 , 22 .
[0173] On the other hand, in the inductor component 1B, the spiral wiring includes a plurality of first spiral wiring 21 and second spiral wiring 22, and fur...
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Abstract
Description
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Application Information
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