公开(公告)号：US20020109573A1

公开(公告)日：2002-08-15

申请号：US10093482

申请日：2002-03-11

Applicant: NEC CORPORATION

Inventor： Mizuki Iwanami

IPC: H01F027/28

CPC classification number: H01F17/0013 ,  H05K1/0298 ,  H05K1/165 ,  H05K3/4688 ,  H05K2201/086 ,  H05K2201/09336 ,  H05K2201/097

Abstract: An inductor device having plural spiral-shaped interconnection structures connected to each other and extending in plural power source layers, the power source layers being in different levels of a multilayer printed board. The printed board having first and second current loops. The loops share part of a common current path.

Abstract translation: 一种电感器件，具有多个螺旋形互连结构，彼此连接并在多个电源层中延伸，所述电源层处于多层印刷电路板的不同级别。 该印刷电路板具有第一和第二电流回路。 循环共享公共当前路径的一部分。

公开(公告)号：US20020089798A1

公开(公告)日：2002-07-11

申请号：US10097932

申请日：2002-03-15

Applicant: NEC CORPORATION

Inventor： Mizuki Iwanami

IPC: H02H005/04

CPC classification number: H05K1/165 ,  H05K1/0233 ,  H05K1/0298 ,  H05K3/4688 ,  H05K2201/086 ,  H05K2201/09309

Abstract: The present invention provides an inter-layer structure between a power layer and a ground layer. The inter-layer structure comprises an insulative magnetic layered structure which comprises at least two insulative magnetic substances which are different in frequency characteristic of complex magnetic permeability.

Abstract translation: 本发明提供功率层和接地层之间的层间结构。 层间结构包括绝缘磁性层状结构，其包括复合磁导率的频率特性不同的至少两种绝缘磁性物质。