Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshihide Ninagawa0
Keiichi Okazaki0
Kenji Negura0
Tatsuo Ozaki0
Akio Niikura0
Atsushi Fukumoto0
Date of Patent
August 10, 2010
0Patent Application Number
115674180
Date Filed
December 6, 2006
0Patent Primary Examiner
Patent abstract
An aluminum alloy brazing sheet which has a clad of a sacrificial anode material/a core alloy/an intermediate material/a filler alloy, wherein number density ratios N1/N2 and N1/N3 each are 1.5 or more, in which a number density ((the number of grains)/μm3) of an intermetallic compound having a sphere-equivalent grain diameter of 0.1 μm or less present in the core alloy, the intermediate material, and the sacrificial anode material, is represented by N1, N2, and N3, respectively.
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