Soldering flux for circuit board and circuit board

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United States of America Patent

SERIAL NO

09840398

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is provided a soldering flux for circuit board, which is designed to be employed on an occasion of soldering electronic parts on a circuit board, the soldering flux being free from any organic solvent which may become a cause for contaminating air atmosphere and being capable of providing an excellent insulating property. This soldering flux comprises; a rosin-based modified resin having an acid value of not less than 100, a nondissociative activator formed of a nondissociative halogenide, and an aqueous solvent containing a volatile basic agent. There is also provided a circuit board having a flux film formed from such a soldering flux.

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Patent Owner(s)

Patent OwnerAddress
TAMURA KAKEN CORPORATION16-2 OAZA SAYAMAGAHARA IRUMA-SHI SAITAMA 358-8

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akaike, Shinichi Iruma, JP 3 23
Ohno, Takao Iruma, JP 34 476
Saito, Shoichi Iruma, JP 36 209

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