| 摘要 |
PROBLEM TO BE SOLVED: To obtain a board for electronic circuits, an electronic circuit and a manufacturing method thereof wherein the for thin and smooth electronic circuits, can absorb steps resulting from mounting of electronic components, though the components tend to be thin, has a high productivity and is precise, thin and smooth. SOLUTION: The board 1 for electronic circuits has an electric circuit having contact terminals of a metal foil formed on the surface of a base sheet 2 and has holes 3 for electronic components. Protrusions of the current terminals protrude on the electronic component holes 3, the metal foil is provided on the base sheet 2 through adhesives, and electronic components are mounted on the electronic circuit board 1, thus forming an electronic circuit according to the manufacturing method thereof.
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