(19)

(11)

EP 2 691 552 A1

(12)

(43) Date of publication: 05.02.2014 Bulletin 2014/06 (21) Application number: 12711577.2 (22) Date of filing: 30.03.2012

(51) International Patent Classification (IPC):  C23C 2/00(2006.01) (86) International application number: PCT/EP2012/001401 (87) International publication number: WO 2012/130464 (04.10.2012 Gazette 2012/40)

(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 (30) Priority: 30.03.2011 EP 11002610 (71) Applicant: Tata Steel Nederland Technology B.V. 1970 CA IJmuiden (NL)	(72) Inventors: VAN RIJSWIJK, Willem NL-1970 CA IJmuiden (NL) VAN VELDHUIZEN, Hendrik, Bart NL-1970 CA IJmuiden (NL) NOORT, Nicolaas NL-1970 CA IJmuiden (NL) (74) Representative: Kruit, Jan  Tata Steel Nederland Technology BV Group Intellectual Property Services - 3G37 P.O. Box 10000 1970 CA Ijmuiden 1970 CA Ijmuiden (NL)