abstract |
The present invention relates to a circuit board using a flexible film having high-precision patterns, a circuit board-use member, and a production method for a circuit board-use member excellent in productivity. A circuit board comprising metal circuit patterns provided on a flexible film, the positional precision of the circuit patterns being up to +- 0.01%. A circuit board-use member comprising, laminated in the order mentioned, a circuit board reinforcing sheet (6), a releasable organic matter layer (7), a flexible film (4), and metal circuit patterns. |