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Patent Searching and Data


Title:
MANUFACTURE OF INDUCTANCE ELEMENT
Document Type and Number:
Japanese Patent JPH09186037
Kind Code:
A
Abstract:

To provide a manufacturing method of an element of small size and low cost.

A spiral recessed part 5 is formed at the same time when a pillar-shaped inner magnetic material 4 is pushed out from an extrusion molding machine 1 wherein a protruding part 3 is formed inside a rotating nozzle 2. Paste for forming a conductor is spread on the recessed part 5, and a spiral conductor is formed. After that, the inner magnetic material 4 forming the conductor is dipped in ferrite paste, an outer magnetic material is formed, and magnetic path is closed. After the part member obtained in this manner is cut to be a desired length and sintered, an external electrode is arranged on a cut surface, and an inductance element is obtained.


Inventors:
SATO HITOSHI
Application Number:
JP35358195A
Publication Date:
July 15, 1997
Filing Date:
December 28, 1995
Export Citation:
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Assignee:
TOKIN CORP
International Classes:
H01F41/00; H01F17/00; (IPC1-7): H01F41/00; H01F17/00