(19)
(11) EP 2 851 923 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
24.06.2015 Bulletin 2015/26

(88) Date of publication A3:
25.03.2015 Bulletin 2015/13

(43) Date of publication:
25.03.2015 Bulletin 2015/13

(21) Application number: 13769712.4

(22) Date of filing: 14.03.2013
(51) International Patent Classification (IPC): 
H01H 37/76(2006.01)
 H01M 10/44(2006.01)
(86) International application number:
PCT/JP2013/057163
(87) International publication number:
WO 2013/146291 (03.10.2013 Gazette 2013/40)
(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: 26.03.2012 JP 2012069657

(71) Applicant: Dexerials Corporation
Tokyo 141-0032 (JP)

(72) Inventors:
  • KIMURA, Yuji
    Tokyo 141-0032 (JP)
  • MUKAI, Kouichi
    Tokyo 141-0032 (JP)
  • FURUUCHI, Yuji
    Tokyo 141-0032 (JP)
  • EJIMA, Koji
    Tokyo 141-0032 (JP)

(74) Representative: Müller Hoffmann & Partner 
Patentanwälte mbB St.-Martin-Strasse 58
81541 München
81541 München (DE)

   


(54) PROTECTION MEMBER


(57) To realize a protection member that makes a flux amount applied on a fusible conductor uniform, and improves variation of fusing characteristics because, when a projection portion of a cover member is arranged alone on the fusible conductor, the projection portion is not sufficient to hold flux on the fusible conductor, and the variation is caused in the fusing characteristics. The protection member includes an insulating substrate (11), a heating body (14), an insulating member (15), two electrodes (12), a heating body internal electrode (16), a fusible conductor (13) layered from the heating body internal electrode (16) to the two electrodes (12), and configured to fuse a current path between the two electrodes (12) by heating, flux (17) applied on the fusible conductor (13) to superimpose with the heating body (14), and a cover member (1) covering at least the fusible conductor (13) and attached to the insulating substrate (11). The cover member (1) further includes a plurality of cylindrical projection portions (2) facing the heating body (14) and formed on an inner surface (1a) of the cover member (1) to be in contact with the flux (17).