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US 12,589,452 B2Granted
Non-electroconductive flux, connected structure, and method for producing connected structure
AssigneeSekisui Chemical Co., Ltd.
InventorsHidefumi Yasui, Kiyoto Matsushita
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Abstract
Provided is a non-electroconductive flux capable of enhancing productivity and impact resistance of a connected structure to be obtained and suppressing occurrence of solder flash. The non-electroconductive flux according to the present invention contains an epoxy compound, an acid anhydride curing agent, and an organophosphorus compound.
Claims15
A non-electroconductive flux comprising:
- an epoxy compound;
- an acid anhydride curing agent;
- and
- an organophosphorus compound,
- the organophosphorus compound comprising at least one selected from the group consisting of an organophosphonium salt, an organophosphorus acid, an organophosphorus acid ester, an organophosphonic acid, an organophosphonic acid ester, an organophosphinic acid, and an organophosphinic acid ester, and
- a content of the organophosphorus compound being 0.5 parts by weight or more and 10 parts by weight or less with respect to 100 parts by weight of the acid anhydride curing agent.
3 more elements
Dependencies are inferred from the claim text.