| 摘要 |
PROBLEM TO BE SOLVED: To obtain a device for safely and efficiently removing a part from a circuit board by preventing any damage of an electronic component, especially thermal inside damages or structural cracks, and by shortening the time for removing. SOLUTION: An electronic component 2 mounted on a circuit board 1 is connected at a connecting site 4. A connection release means 4 is allowed to act by inputting outside energy 5, so that the connection of the connecting site 3 for connecting the circuit board 1 with the electronic component 2 can be released by the connection releasing means 4. Thus, the connection of the electronic component 2 with the circuit board 1 can be released, and the electronic component 2 can be removed from the circuit board 1.
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