(19)
(11) EP 3 494 247 A1

(12)

(43) Date of publication:
12.06.2019 Bulletin 2019/24

(21) Application number: 17746135.7

(22) Date of filing: 03.08.2017
(51) International Patent Classification (IPC): 
C30B 11/00(2006.01)
C30B 35/00(2006.01)
C30B 29/06(2006.01)
(86) International application number:
PCT/EP2017/069661
(87) International publication number:
WO 2018/024830 (08.02.2018 Gazette 2018/06)
(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
Designated Validation States:
MA MD

(30) Priority: 03.08.2016 EP 16182660

(71) Applicant: Vesuvius France S.A.
59750 Feignies (FR)

(72) Inventors:
  • LAURENT, Julien
    59600 Maubeuge (FR)
  • DRODE, Etienne
    62112 Gouy sous Bellonne (FR)
  • MARTIN, Christian
    78680 Epone (FR)

(74) Representative: Brohez, VĂ©ronique 
Vesuvius Group S.A IPD 17 rue de Douvrain
7011 Ghlin
7011 Ghlin (BE)

   


(54) CRUCIBLE FOR CRYSTALLIZATION OF MOLTEN SILICON, PROCESS FOR ITS MANUFACTURE AND USE THEREOF