METHOD OF MANUFACTURING MULTILAYERED PRINTED BOARD

摘要

PROBLEM TO BE SOLVED: To provide a method of manufacturing a multilayered flexible printed board which can surely protect a cable section from damages and does not constitute any hindrance even when the board is treated with a chemical. SOLUTION: In the method, the multilayered flexible printed board is manufactured in such a way that a copper-plated laminated board is prepared by sticking copper foil to an insulating substrate as the cable section, and the cable section is treated by using the copper foil as a mask. Then the insulating substrate is exposed by removing the copper foil.