PERFORATING SHEET FOR LAMINATED PLATE AND PERFORATING METHOD FOR LAMINATED PLATE

摘要

PROBLEM TO BE SOLVED: To improve quality of a printed circuit board 2, by forming a fine hole on the printed circuit board 2. SOLUTION: A perforating sheet for a laminated plate has a base material 3 in which lubricant of the mixture of solid paraffin and lubricating oil is soaked, and aluminum foil 4. The base material 3 and the aluminum foil 4 are adhered through a thermoplastic resin 5.