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AssigneeSenju Metal Industry Co., Ltd.
InventorsYoko Kurasawa, Motohiro Onitsuka, Hisashi Tokutomi, Hiroyoshi Kawasaki
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Provided are flux for resin flux cored solder, flux for flux-coated solder, resin flux cored solder using the flux for resin flux cored solder, flux-coated solder using the flux for flux-coated solder, and a soldering method, which have low residue and are excellent in processability. The flux for resin flux cored solder or flux-coated solder contains a solid solvent in an amount of 70 wt % or more and 99.5 wt % or less, and an activator in an amount of 0.5 wt % or more and 30 wt % or less.
1-22. (canceled)
A flux for a resin flux cored solder, the flux comprising:
A flux for a flux-coated solder in which the flux coats the solder, the flux comprising:
A soldering method using a resin flux cored solder in which a flux containing any one or both of a solid solvent and a phenol-based solid solvent and an activator is filled in the solder, the method comprising the steps of:
Dependencies are inferred from the claim text.