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US 11,833,621 B2Granted
Flux and solder material
AssigneeKoki Company Limited
InventorsKazuhiro Yukikata, Noriyoshi Uchida
Life of this patent
Estimating the term…
Abstract
An iodine-containing cyclic compound including no carboxy group and including one ring skeleton or a plurality of ring skeletons forming a fused ring in one molecule, is provided. The ring of the ring skeleton includes only a carbon atom, or a carbon atom, and a nitrogen atom and/or an oxygen atom, and an iodine atom is bonded to at least one of the atoms constituting the ring of the ring skeleton.
Claims14
A flux for solder paste comprising:
- an iodine-containing cyclic compound selected from the group consisting of 1-iodonaphthalene, 2-bromo-5-iodo-3-methylpyridine, 5,7-diiodo-8-hydroxyquinoline, 2,4,5-triiodo-1h-imidazole, and 1,3-diiodo-5,5-dimethylhydantoin, wherein
- the flux contains the iodine-containing cyclic compound in an amount of from 0.1% by mass to 5.0% by mass.
Dependencies are inferred from the claim text.