Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NON-RECIPROCAL CIRCUIT COMPONENT AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2010183130
Kind Code:
A
Abstract:

To provide a non-reciprocal circuit component capable of eliminating the effect by magnetism of a permanent magnet to achieve miniaturization and avoiding variations in characteristics, and to provide a method of manufacturing the same.

The non-reciprocal circuit component 10 includes: a ferrite 32, which has a plurality of central electrodes arranged by crossing in a mutually electrical insulation fashion; a pair of permanent magnets 41, which are fixed to both principal planes of the ferrite 32 so as to apply a dc magnetic field on to the ferrite 32; and chip-shaped matching circuit elements C1, C2, CS1, CS2, and R; which are arranged at a resin block 11. The permanent magnet 41 is not magnetized when arranged at the resin block 11, and magnetized after being arranged with the ferrite 32 and the matching circuit element at the resin block 11. After the permanent magnet 41 is magnetized and carried out with magnetism calibration, the non-reciprocal circuit component 10 is mounted on a mounting board 20.


Inventors:
YAMADA YOSHIKI
KITAICHI YUKIHIRO
Application Number:
JP2009022209A
Publication Date:
August 19, 2010
Filing Date:
February 03, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MURATA MANUFACTURING CO
International Classes:
H01P1/36; H01P11/00
Attorney, Agent or Firm:
Takeichi Morishita
Tani Kazuhiro