(19)
(11) EP 2 310 558 A1

(12)

(43) Date of publication:
20.04.2011 Bulletin 2011/16

(21) Application number: 09776985.5

(22) Date of filing: 06.07.2009
(51) International Patent Classification (IPC): 
C25D 3/58(2006.01)
C25D 3/02(2006.01)
(86) International application number:
PCT/EP2009/004879
(87) International publication number:
WO 2010/003621 (14.01.2010 Gazette 2010/02)
(84) Designated Contracting States:
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 SE SI SK SM TR
Designated Extension States:
AL BA RS

(30) Priority: 10.07.2008 DE 102008032398

(71) Applicant: Umicore Galvanotechnik GmbH
73525 Schwäbisch Gmünd (DE)

(72) Inventors:
  • BRONDER, Klaus
    73527 Schwaebisch Gmuend (DE)
  • WEYHMUELLER, Bernd
    73553 Alfdorf Hintersteinenberg (DE)
  • OBERST, Frank
    73529 Schwaebisch Gmuend (DE)
  • BERGER, Sascha
    73527 Schwaebisch Gmuend (DE)
  • MANZ, Uwe
    73434 Aalen (DE)

(74) Representative: Retzow, Stefan 
Umicore AG & Co. KG Patente Rodenbacher Chaussee 4
63457 Hanau-Wolfgang
63457 Hanau-Wolfgang (DE)

   


(54) IMPROVED COPPER-TIN ELECTROLYTE AND PROCESS FOR THE DEPOSITION OF BRONZE LAYERS