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Patent Searching and Data


Title:
ANTENNA COIL AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/021783
Kind Code:
A1
Abstract:
The antenna coil manufacturing method according to the present invention includes: a preparation step for preparing an antenna coil that is provided with a first magnetic core, a coil wound around the first magnetic core, and a second magnetic core capable of adjusting the relative position with respect to the first magnetic core; a position adjustment step for adjusting the relative position of the second magnetic core with respect to the first magnetic core so that the inductance value of the coil is close to an inductance value corresponding to a resonant frequency; a first curing step for applying, after the position adjustment step, a light beam to a resin disposed around the second magnetic core, said resin containing a photocurable resin, thereby curing at least the exposed surface of the photocurable resin; and a second curing step for curing, by means of curing methods excluding photocuring, an uncured portion of the photocurable resin-containing resin after the first curing step.

Inventors:
NAITO, Kenji (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
OSHIO, Yuko (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
Application Number:
JP2018/025490
Publication Date:
January 31, 2019
Filing Date:
July 05, 2018
Export Citation:
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Assignee:
MURATA MANUFACTURING CO., LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
H01Q7/08; H01F5/02; H01F27/30; H01F38/14; H01P11/00
Foreign References:
JP2005191820A2005-07-14
JP2008270438A2008-11-06
JPH04127406A1992-04-28
Attorney, Agent or Firm:
YAMAO, Norihito et al. (AOYAMA & PARTNERS, Umeda Hankyu Bldg. Office Tower 8-1, Kakuda-cho, Kita-ku, Osaka-sh, Osaka 17, 〒5300017, JP)
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