CIRCUIT BOARD WITH HARDENING AGENT

摘要

PROBLEM TO BE SOLVED: To provide a circuit board with a hardening agent and a connection structure which are excellent in low-temperature connectability and connection reliability in electrical connection between circuit boards having circuit electrodes.

SOLUTION: The circuit board with the hardening agent is formed by forming a film-forming resin, a hardening agent layer containing a hardening agent and a tackifying resin not hardened by the hardening agent, and a protective film layer made of a protective film in this order on the circuit.

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