Global Patent Index - EP 1285104 B1

EP 1285104 B1 20031119 - ELECTROLYTE AND METHOD FOR DEPOSITING TIN-SILVER ALLOY LAYERS

Title (en)

ELECTROLYTE AND METHOD FOR DEPOSITING TIN-SILVER ALLOY LAYERS

Title (de)

ELEKTROLYT UND VERFAHREN ZUR ABSCHEIDUNG VON ZINN-SILBER-LEGIERUNGSSCHICHTEN

Title (fr)

ELECTROLYTE ET PROCEDE POUR LE DEPOT DE COUCHES D'ALLIAGES ETAIN-ARGENT

Publication

EP 1285104 B1 20031119 (DE)

Application

EP 01936389 A 20010522

Priority

  • DE 10026680 A 20000530
  • EP 0105901 W 20010522

Abstract (en)

[origin: WO0192606A1] The invention relates to an acidic electrolyte used for depositing tin-silver alloys. The acidic electrolyte comprises one or more alkylsulfonic acids and/or alkanolsulfonic acids, one or more soluble tin(II) salts, one or more soluble silver(I) salts and one or more organic sulfur compounds with one or more tioether functional units and/or ether functional units of the general formula R-Z-R'-, wherein R and R' are the same or different non-aromatic organic groups, and Z represents S or O. The invention further relates to a method using the electrolyte and to the coating obtainable by the inventive method, as well as to the use of the electrolyte for coating electronic components.

IPC 1-7

C25D 3/60

IPC 8 full level

C25D 3/56 (2006.01); C25D 3/60 (2006.01); H01L 23/50 (2006.01)

CPC (source: EP US)

C25D 3/60 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB NL SE

DOCDB simple family (publication)

WO 0192606 A1 20011206; AU 6231301 A 20011211; CN 1190523 C 20050223; CN 1432074 A 20030723; DE 10026680 C1 20020221; DE 50101007 D1 20031224; EP 1285104 A1 20030226; EP 1285104 B1 20031119; JP 2003535222 A 20031125; JP 4446040 B2 20100407; US 2005029112 A1 20050210; US 6998036 B2 20060214

DOCDB simple family (application)

EP 0105901 W 20010522; AU 6231301 A 20010522; CN 01810610 A 20010522; DE 10026680 A 20000530; DE 50101007 T 20010522; EP 01936389 A 20010522; JP 2002500792 A 20010522; US 29713503 A 20030521