(19)
(11) EP 2 889 884 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.08.2015 Bulletin 2015/34

(43) Date of publication A2:
01.07.2015 Bulletin 2015/27

(21) Application number: 14196478.3

(22) Date of filing: 05.12.2014
(51) International Patent Classification (IPC): 
H01F 5/02(2006.01)
H01F 37/00(2006.01)
 H01F 3/10(2006.01)
H01F 38/02(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 19.12.2013 JP 2013262538

(71) Applicant: Sumida Corporation
Tokyo 103-8589 (JP)

(72) Inventors:
  • Miyazaki, Hiroyuki
    Natori City, Miyagi 981-1226 (JP)
  • Endo, Akihiko
    Natori City, Miyagi 981-1226 (JP)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)

   


(54) Coil component, method of manufacturing coil component, and coil component set


(57) A coil component (100) of the present invention has an annular coil core (110) composed of a material having a higher permeability than that of air, and a winding (120) wound around the coil core (110) in close proximity thereto; and a cross section of the coil core (110), which is taken orthogonally to the winding axis of the winding (120), deviates either towards the inner loop side or towards the outer loop side of the coil core (110).










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