Inductor element
A technology of inductive components and inductance, which is applied in the direction of electrical components, inductors, electric solid devices, etc., can solve the problems that inductive components cannot work effectively, high-frequency circuits are difficult, etc.
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no. 1 Embodiment approach
[0037] figure 1 A plan view showing the inductance element of the first embodiment. figure 2 express figure 1 The diagram of the upper conductor contained in the inductance element shown, image 3 express figure 1 A diagram of the shape of the underlying conductor contained in the inductor element shown.
[0038] The inductor element 100 of this embodiment includes two spiral conductors 120 and 122 formed on a semiconductor substrate. These two conductors 120 and 122 are basically the same shape, and when viewed from the surface of the semiconductor substrate 110, one conductor 120 on the upper layer and the other conductor 122 on the lower layer are basically overlapped. Each conductor 120, 122 is formed of a material such as a metal thin film (metal layer) or polysilicon, for example.
[0039] Figure 4 is a diagram showing the connection state of the above two conductors, such as Figure 4 As shown, the outer peripheral end (outer edge end) and inner peripheral end ...
no. 2 Embodiment approach
[0063] Figure 13 shows the structure of the inductance element 100A of the second embodiment, the difference lies in the Figure 4 A predetermined impedance element 200 is added to the inductance element 100 of the first embodiment shown.
[0064] That is, in the inductance element 100 of the above-mentioned first embodiment, when we look at the one conductor 120 which is an inductance conductor and the other conductor 122 which is basically overlapped and arranged, there is only one end ( figure 1 The outer peripheral end in the illustrated example) is connected to the wire 134, and the inner peripheral end is a free end (open state). In this embodiment, since the inner peripheral end of the conductor 122 is terminated by the impedance element 200 , the overall characteristics of the inductance element 100A can be improved or adjusted.
[0065] For example, when a current flows in one conductor 120 of the inductance element 100A, although an induced current is generated in...
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Abstract
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