Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MAGNETIC CORE, COIL COMPONENT, CIRCUIT SUBSTRATE, AND POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/193917
Kind Code:
A1
Abstract:
A magnetic core according to an embodiment of the present invention is of the type obtained by combining two segments having identical shapes so as to form a closed magnetic path. Each segment is provided with: a base part; a cylindrical side leg part which is provided to one end side of the base part so as to protrude therefrom, and around which a coil winding part is disposed; a central leg part which is shorter than the side leg part and is provided to the middle portion of the base part so as to protrude parallel to the side leg part; a joining region which is provided to the other end side of the base part, and to which the side leg part of the other segment is joined; and a first flange region which extends from the joining region toward the peripheral edge of the base part and protrudes radially outward of the side leg part of the other segment.

Inventors:
OKAGAWA, Yusuke (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
KUSAWAKE, Kazushi (5-33, Kitahama 4-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
Application Number:
JP2019/009125
Publication Date:
October 10, 2019
Filing Date:
March 07, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD. (5-33, Kitahama 4-chome Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
International Classes:
H01F27/255; H01F27/06; H01F30/10
Foreign References:
JPH07297044A1995-11-10
US4238879A1980-12-16
US20110025445A12011-02-03
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (1-11, Sakaemachidori 4-chome Chuo-ku, Kobe-sh, Hyogo 23, 〒6500023, JP)
Download PDF: