| 摘要 |
A method for fluxing a solder comprises applying to the solder a fluxing agent in which the fluxing agent is a compound having (i) an aromatic ring, (ii) at least one -OH, -NHR (where R is hydrogen or lower alkyl), or -SH group (iii) an electron-withdrawing or electron-donating substituent on the aromatic ring, and (iv) no imino group.
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