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Title:
INDUCTOR CORE, ELECTRONIC PEN CORE PORTION, ELECTRONIC PEN, AND INPUT DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/189936
Kind Code:
A1
Abstract:
This inductor core comprises a tubular magnetic material body 10 made of magnetic material. The magnetic material body 10 comprises: an inclined portion 11 having an inclined surface 11a forming a peripheral surface of a truncated cone having an outer diameter that increases from one end 10a to the other end 10b of the magnetic material body 10; a straight trunk portion 12 which is disposed coaxially with the inclined portion 11 and includes an outer peripheral surface 12a forming a peripheral surface of a cylindrical body extending from the other end 10b toward the one end 10a; and a flange portion 13 which is disposed between the inclined portion 11 and the straight trunk portion 12 and connects the inclined portion 11 and the straight trunk portion 12. An outer peripheral surface 13a of the flange portion 13 has an outer diameter greater than an outer diameter of each of the inclined portion 11 and the straight trunk portion 12.

Inventors:
OCHIAI, Hitomi (6 Takeda Tobadono-cho, Fushimi-ku, Kyoto-sh, Kyoto 01, 〒6128501, JP)
Application Number:
JP2019/014539
Publication Date:
October 03, 2019
Filing Date:
April 01, 2019
Export Citation:
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Assignee:
KYOCERA CORPORATION (6 Takeda Tobadono-cho, Fushimi-ku Kyoto-sh, Kyoto 01, 〒6128501, JP)
International Classes:
H01F3/08; G06F3/03; G06F3/046
Domestic Patent References:
WO2017183526A12017-10-26
Foreign References:
JP2006163798A2006-06-22
JP2018041429A2018-03-15
Attorney, Agent or Firm:
SAIKYO, Keiichiro (Saikyo Patent Office, Nomura Fudosan Osaka Building 9th Floor 8-15, Azuchimachi 1-chome, Chuo-ku, Osaka-sh, Osaka 52, 〒5410052, JP)
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