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Integrated Inductor Device

An inductive device, integrated circuit technology, applied in the direction of inductors, circuits, electrical components, etc., can solve the problem of electric resistance symmetry of figure-eight inductance

Active Publication Date: 2020-08-14
REALTEK SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some figure-eight inductors in the prior art are still difficult to achieve complete electrical symmetry

Method used

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  • Integrated Inductor Device
  • Integrated Inductor Device
  • Integrated Inductor Device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0063] figure 1 It is a schematic diagram of an integrated inductor device according to an embodiment of the present invention. In this embodiment, a first coil 100 and a second coil 200 are shown, both of which are planar coil structures, and both the first coil 100 and the second coil 200 are arranged on an integrated circuit board (not shown in the figure). on the first floor. As shown in the figure, on the first layer of the integrated circuit board, a first imaginary straight line L1 is drawn extending from the first side of the first layer to the second side of the first layer, taking the first imaginary straight line L1 as The first layer of the integrated circuit board is roughly divided into a first area A and a second area B, the first area A has a first center point CA, and the second area B has a second center point CB. The first coil 100 is generally disposed in the first area A centered on the first center point CA, and the second coil 200 is disposed in the se...

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PUM

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Abstract

The present invention relates to an integrated inductance device. The integrated inductance device includes a first coil, a second coil, a third coil and a fourth coil. The first coil is disposed on afirst layer of the integrated circuit structure. The second coil is also disposed on the first layer and is adjacent to the first coil, and the second coil has the same number of winding turns as thefirst coil. The third coil is disposed on a second layer of the integrated circuit structure and is located at the upper portion of the first coil. The fourth coil is disposed on the second layer andis located at the upper portion of the second coil, and the fourth coil has the same number of winding turns as the third coil. The first coil of the first layer is alternately coupled to the fourthcoil of the second layer, and the second coil of the first layer is alternately coupled to the third coil of the second layer.

Description

technical field [0001] This case involves an integrated circuit, especially an integrated inductor device in the integrated circuit. Background technique [0002] Inductor structures are an indispensable component in today's integrated circuits. Among them, the figure-of-eight inductor has symmetrical electrical properties, and its two ends can generate magnetic fields in opposite directions, so that the magnetic fields generated by the figure-of-eight inductor can cancel each other out, which can cause less impact on other components in the integrated circuit. Therefore, it is widely used in integrated circuits, especially in the design of transformers. However, some figure-eight inductors in the prior art are still difficult to achieve complete electrical symmetry. Contents of the invention [0003] One purpose of this case is to provide an integrated inductance device, especially a twin (Twin) inductance structure, which can be used in the design of a transformer, so ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L23/64
CPCH01L28/10
Inventor 颜孝璁
Owner REALTEK SEMICON CORP