Title:
【発明の名称】可変インダクタンス素子
Document Type and Number:
Japanese Patent JP3384977
Kind Code:
B2
Abstract:
A variable inductor includes a coil and an inductance trimming member disposed on an insulating substrate. The inductance trimming member is disposed outside of an area where the coil is located. By exposing the inductance trimming member to a laser beam, cross rail members of the inductance trimming member are trimmed one by one, thus varying the inductance.
Inventors:
Naoki Iida
Masahiko Kawaguchi
Masahiko Kawaguchi
Application Number:
JP2517699A
Publication Date:
March 10, 2003
Filing Date:
February 02, 1999
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H01F17/00; H01F21/12; H01F41/04; H01F21/00; (IPC1-7): H01F21/00; H01F17/00; H01F21/12
Domestic Patent References:
| JP9129449A | ||||
| JP62145806A | ||||
| JP611320U | ||||
| JP5818768B2 |
Attorney, Agent or Firm:
Takekazu Morishita