BRAZING METHOD AND METAL FILM FORMING TOOL FOR BRAZING
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United States of America Patent
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Issued Date -
Mar 23, 2023
app pub date -
Sep 12, 2022
filing date -
Sep 22, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
In a film formation step of a brazing method, a metal brush formed by bundling a plurality of metal wires is brought into contact with a film formation target portion of a workpiece. Here, the film formation target portion is a portion that includes a joining target portion and a brazing-material-allowed portion but does not include an avoidance portion. In this state, the film formation target portion and the metal brush are relatively moved to each other. Thus, the metal film is formed on the film formation target portion. In a brazing step, the joining target portions are joined in a state where a brazing material is arranged on the joining target portion and the brazing-material-allowed portion.
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