MANUFACTURING METHOD OF COMMON MODE CHOKE COIL AND COMMON MODE CHOKE COIL

PROBLEM TO BE SOLVED: To provide a manufacturing method of a common mode choke coil which inhibits silver from being diffused over glass ceramic while using the silver as material of a conductor coil and the glass ceramic as material of a non-magnetic layer, and therefore can manufacture a highly re...

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Bibliographic Details
Main Authors KITAMURA MIHO, NAKAMURA TERUHIRO, YAMAMOTO ATSUSHI, KUDO NORIZANE
Format Patent
LanguageEnglish
Published 28.02.2013
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Summary:PROBLEM TO BE SOLVED: To provide a manufacturing method of a common mode choke coil which inhibits silver from being diffused over glass ceramic while using the silver as material of a conductor coil and the glass ceramic as material of a non-magnetic layer, and therefore can manufacture a highly reliable common mode choke coil.SOLUTION: A manufacturing method of a common mode choke coil (10) laminating a non-magnetic layer (3) and a second magnetic layer (5) on a first magnetic layer (1), and including two conductor coils (2, 4) opposed to each other in the non-magnetic layer (3) comprises the steps of: forming the conductor coils (2, 4) by a conductor including silver; and burning glass ceramic with the conductor including silver in the atmosphere where an oxygen concentration is 0.1 vol.% or less so that the non-magnetic layer (3) is at least partly formed.
Bibliography:Application Number: JP20110179065