| 摘要 |
A fabrication method for printed circuit boards is provided, in which a conductive layer of a conductive material is formed over an insulating layer. Portions of the conductive layer are removed to define a circuit pattern and at least one rail area. The rail area comprises conductive material arranged to span substantially the length of the circuit board adjacent to an associated edge thereof, and is electrically isolated from the circuit pattern. Portions of the conductive material within the rail area are eliminated such that no continuous length of conductive material extends substantially across the length of the circuit board.
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