| 摘要 |
PROBLEM TO BE SOLVED: To provide a flow type soldering apparatus which is strongly directive, less easily allows dross to be adhered, and is capable of forming a jet flow of the consistent shape, and performing the consistent soldering with excellent soldering quality. SOLUTION: A jet wave 11 is formed by jetting a molten solder 2 from an outlet 10 of a jet hole 9 made in a nozzle body 8. This jet hole 9 is formed conical, the diameter of the outlet 10 is set to be not more than the thickness t of the nozzle body 8, and the taper angle of the conical jet hole 9 is formed to be <=45 deg..
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