US Patent Issued to SEKISUI CHEMICAL on March 31 for "Non-electroconductive flux, connected structure, and method for producing connected structure" (Japanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,452, issued on March 31, was assigned to SEKISUI CHEMICAL Co. Ltd. (Osaka, Japan).

"Non-electroconductive flux, connected structure, and method for producing connected structure" was invented by Hidefumi Yasui (Osaka, Japan) and Kiyoto Matsushita (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "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."

The p...