Coil, induction device and method for preparing coil applied to induction device
A technology of inductance device and coil, which is applied in coil manufacturing, transformer/inductor parts, inductor/transformer/magnet manufacturing, etc. The effect of high Q value, small parasitic coupling capacitance between layers, and high self-corresponding frequency
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Embodiment 1
[0049] Specific embodiments will be supplemented with descriptions in the accompanying drawings of the present invention. figure 1 Shown is a preferred schematic diagram of a coil with 9 turns for making an inductive device according to the present invention. figure 2 shown as figure 1 A preferred schematic diagram of the distribution of the four conductive layers of the coil in . The coil consists of 4 conductive layers, figure 2 The leftmost one is the upper conductive layer, the middle one is the middle and upper conductive layer, and the rightmost one is the plane schematic diagram of the middle and lower conductive layer and the lower conductive layer. The conductive track of each conductive layer is connected with the conductive track of the adjacent conductive layer through a pair of metal conductive holes.
[0050] The coil includes four conductive layers, wherein the three conductive layers are the upper conductive layer, the upper middle conductive layer, the ...
Embodiment 2
[0061] The following will combine image 3 Embodiment 2 of the present invention will be described. image 3 It is a schematic plan view of the upper conductive layer, the middle conductive layer and the lower conductive layer of another preferred coil of the present invention. image 3 The left side is the upper conductive layer, and the right side is the middle conductive layer and the lower conductive layer. In the schematic plan view, the coil further includes metal conductive holes for electrically connecting the conductive traces in one conductive layer with the conductive traces in the adjacent conductive layer.
[0062]The coil includes three conductive layers, wherein the second conductive layer is an upper conductive layer and a middle conductive layer, and the other conductive layer is a lower conductive layer. The upper conductive layer includes two conductive tracks 201, 207, wherein the outer conductive track 201 is composed of a conductive spiral ring 1011, th...
Embodiment 3
[0073] The present invention also provides another preferred embodiment. Figure 4 It shows a schematic plan view of the upper conductive layer, upper middle conductive layer, lower middle conductive layer, and lower conductive layer of another preferred coil. The schematic plan view of each conductive layer includes metal conductive holes for electrically connecting the conductive traces of each conductive layer with the conductive traces of adjacent layers.
[0074] In this embodiment, the preferred coil includes four conductive layers, wherein the three conductive layers are the upper conductive layer, the upper middle conductive layer, the lower middle conductive layer, and the other conductive layer is the lower conductive layer. The upper conductive layer includes a conductive trace 307, wherein the conductive trace 307 is composed of two conductive spiral loops 3071, 3072, that is, the conductive trace 307 is a conductive spiral with two turns. The upper and middle con...
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