Title:
FLEXIBLE PRINTED WIRING BOARD, METHOD FOR INCREASING INDUCTANCE THEREOF AND MINIATURE COIL
Document Type and Number:
Japanese Patent JPH0851023
Kind Code:
A
Abstract:
PURPOSE: To increase the inductance of a coil formed or mounted on a flexible printed board and to obtain a miniature coil by applying the inventive technological concept.
CONSTITUTION: Soft ferrite powder is dispersed into a synthetic resin or rubber to produce a mixture material for forming a ferrite sheet 4. The ferrite sheet 4 is applied to a printed wiring board 1 at a part for forming a coil.
Inventors:
YAMAZAKI HIROKA
Application Number:
JP18427694A
Publication Date:
February 20, 1996
Filing Date:
August 05, 1994
Export Citation:
Assignee:
KANEGAFUCHI CHEMICAL IND
International Classes:
H01F41/04; H01F17/00; H05K7/02; H05K1/16; (IPC1-7): H01F17/00; H01F41/04; H05K7/02
Attorney, Agent or Firm:
Takao Yanagino
Next Patent: DEVICE USING MAGNETIC SUBSTRATE COATED WITH METAL