Title:
FLUX COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2014/065356
Kind Code:
A1
Abstract:
A flux composition characterized by including (A) fluoro zinc aluminate alkali metal salt powder represented by general formula (1), MwZnxAlyFz (in the formula, M is K or Cs, and w, x, y and z are positive integers, with the greatest common factor thereof being 1), wherein (A) is contained in the amount of 50 mass% or more. According to the present invention, it is possible to provide a flux composition with which the problems of brazing defects and discoloration do not occur even when brazing under an atmosphere with a high oxygen concentration or an atmosphere with high humidity.
Inventors:
KUMAGAI HIDETOSHI (JP)
HISATOMI YUJI (JP)
YAMASHITA NAOKI (JP)
HISATOMI YUJI (JP)
YAMASHITA NAOKI (JP)
Application Number:
PCT/JP2013/078777
Publication Date:
May 01, 2014
Filing Date:
October 24, 2013
Export Citation:
Assignee:
UACJ CORP (JP)
International Classes:
B23K35/363; B23K1/19; B23K3/00
Foreign References:
| JP2005523163A | 2005-08-04 | |||
| JP2010075965A | 2010-04-08 | |||
| JP2010075966A | 2010-04-08 | |||
| JP2004042086A | 2004-02-12 | |||
| JPS61293699A | 1986-12-24 | |||
| JP2006255755A | 2006-09-28 |
Other References:
See also references of EP 2913144A4
Attorney, Agent or Firm:
AKATSUKA Kenji et al. (JP)
Kenji Akatsuka (JP)
Kenji Akatsuka (JP)
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