(19)
(11) EP 3 156 517 A8

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

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

(48) Corrigendum issued on:
07.06.2017 Bulletin 2017/23

(88) Date of publication A3:
19.04.2017 Bulletin 2017/16

(43) Date of publication:
19.04.2017 Bulletin 2017/16

(21) Application number: 15189465.6

(22) Date of filing: 13.10.2015
(51) International Patent Classification (IPC): 
C23C 18/36(2006.01)
C23C 18/44(2006.01)
 C23C 18/40(2006.01)
C23C 18/50(2006.01)
(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

(71) Applicant: Enthone, Inc.
West Haven, CT 06516 (US)

(72) Inventors:
  • SCHÄFER, Stefan
    42651 Solingen (DE)
  • SOENTGERAT, Katrin
    42651 Solingen (DE)
  • KLEINFELD, Marlies
    42369 Wuppertal (DE)

(74) Representative: Michalski Hüttermann & Partner Patentanwälte mbB 
Speditionstraße 21
40221 Düsseldorf
40221 Düsseldorf (DE)

   


(54) USE OF WATER SOLUBLE AND AIR STABLE PHOSPHAADAMANTANES AS STABILIZER IN ELECTROLYTES FOR ELECTROLESS METAL DEPOSITION


(57) The present invention relates to the use of water soluble and air stable phosphaadamantanes as stabilizer in electrolytes for electroless metal deposition, an electrolyte as well as a method for the electroless deposition of metals, particularly layers of nickel, copper, cobalt, boron, silver, palladium or gold, as well as layers of alloys comprising at least one of the aforementioned metals as alloying metal. The present invention further relates to an organic stabilizer for electroless plating processes, and an electrolyte for the electroless deposition of a metal layer on a substrate, comprising a metal ion source for the metal to be deposited, a reducing agent, a complexing agent, a stabilizer and preferably an accelerator, as well as a method for the electroless deposition of a metal layer on a surface from an electrolyte according to the invention.