Title:
PLATING LIQUID
Document Type and Number:
WIPO Patent Application WO/2018/180192
Kind Code:
A1
Abstract:
This plating liquid contains (A) a soluble salt that contains at least a first tin salt, (B) an acid selected from among organic acids and inorganic acids or a salt thereof, and (C) two surfactants, namely an amine-based surfactant (C1) and a nonionic surfactant (C2 and/or C3). The amine-based surfactant (C1) is a polyoxyethylene alkyl amine represented by general formula (1); and the nonionic surfactant (C2 and/or C3) is a condensation product of a polyoxyethylene and a polyoxypropylene represented by general formula (2) or general formula (3).
In formula (1), x is 12-18 and y is 4-12. In formula (2), m is 15-30 and (n1 + n2) is 40-50. In formula (3), (m1 + m2) is 15-30 and n is 40-50.
Inventors:
WATANABE MAMI (JP)
NAKAYA KIYOTAKA (JP)
KONNO YASUSHI (JP)
NAKAYA KIYOTAKA (JP)
KONNO YASUSHI (JP)
Application Number:
PCT/JP2018/007997
Publication Date:
October 04, 2018
Filing Date:
March 02, 2018
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
C25D3/30
Foreign References:
| JP2003342778A | 2003-12-03 | |||
| JPH10306396A | 1998-11-17 | |||
| JPS5864393A | 1983-04-16 | |||
| JPS61117298A | 1986-06-04 | |||
| JP2007332447A | 2007-12-27 | |||
| JP2011063834A | 2011-03-31 | |||
| JPS63161188A | 1988-07-04 | |||
| JPS61175A | 1986-01-06 | |||
| JP2017061175A | 2017-03-30 | |||
| JP2018031865A | 2018-03-01 | |||
| JP2005290505A | 2005-10-20 | |||
| JP2013044001A | 2013-03-04 | |||
| JP2012087393A | 2012-05-10 |
Other References:
See also references of EP 3604622A4
Attorney, Agent or Firm:
SUDA, Masayoshi (JP)
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