(19)
(11) EP 2 836 463 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
27.03.2019 Bulletin 2019/13

(45) Mention of the grant of the patent:
02.01.2019 Bulletin 2019/01

(21) Application number: 13722861.5

(22) Date of filing: 03.04.2013
(51) International Patent Classification (IPC): 
C01G 33/00(2006.01)
B32B 18/00(2006.01)
H01L 41/187(2006.01)
 C04B 35/495(2006.01)
H01G 4/12(2006.01)
H02N 2/10(2006.01)
(86) International application number:
PCT/JP2013/060764
(87) International publication number:
WO 2013/157452 (24.10.2013 Gazette 2013/43)

(54)

SODIUM NIOBATE POWDER, METHOD FOR PRODUCING THE SAME, METHOD FOR PRODUCING CERAMIC, AND PIEZOELECTRIC ELEMENT

NATRIUMNIOBATPULVER, VERFAHREN ZUR HERSTELLUNG DESSELBEN, VERFAHREN ZUR HERSTELLUNG EINER KERAMIK, UND PIEZOELEKTRISCHES ELEMENT

POUDRE DE NIOBATE DE SODIUM, SON PROCÉDÉ DE PRODUCTION, PROCÉDÉ DE FABRICATION D'UNE CÉRAMIQUE, ET ÉLÉMENT PIÉZO-ÉLECTRIQUE

(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

(30) Priority: 16.04.2012 JP 2012093069

(43) Date of publication of application:
18.02.2015 Bulletin 2015/08

(73) Proprietor: Canon Kabushiki Kaisha
Tokyo 146-8501 (JP)

(72) Inventors:
  • MASUBUCHI, Tomoaki
    Tokyo 146-8501 (JP)
  • AIBA, Toshiaki
    Tokyo 146-8501 (JP)
  • IFUKU, Toshihiro
    Tokyo 146-8501 (JP)
  • KUBOTA, Makoto
    Tokyo 146-8501 (JP)
  • WATANABE, Takayuki
    Tokyo 146-8501 (JP)
  • FURUTA, Tatsuo
    Tokyo 146-8501 (JP)
  • HAYASHI, Jumpei
    Tokyo 146-8501 (JP)

(74) Representative: WESER & Kollegen 
Radeckestraße 43
81245 München
81245 München (DE)


(56) References cited: : 
EP-A1- 2 418 174
WO-A1-2012/165267
 EP-A2- 1 808 908
   
  • LIANG JI ET AL: "Polymorphology of sodium niobate based on two different bidentate organics", MATERIALS RESEARCH BULLETIN, ELSEVIER, KIDLINGTON, GB, vol. 45, no. 3, 1 March 2010 (2010-03-01), pages 314-317, XP002684632, ISSN: 0025-5408, DOI: 10.1016/J.MATERRESBULL.2009.12.003 [retrieved on 2009-12-16]
  • O'CALLAGHAN S A ET AL: "Synthesis and processing of nanosized sodium potassium niobate powders", MATERIALS SCIENCE AND TECHNOLOGY, MANEY PUBLISHING, GB, vol. 25, no. 11, 1 November 2009 (2009-11-01), pages 1302-1306, XP009170981, ISSN: 0267-0836, DOI: 10.1179/026708309X12474766656137
   
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