PREPARATION OF LAMINATED SHEET

摘要

PURPOSE:To provide a method for preparation of a laminated sheet having no warpage and twist as it is impossible to eliminate warpage and twist in the conventional laminated sheet. CONSTITUTION:A longer laminated body wherein required number of sheets of a longer resin-impregnated base material wherein a longer woven fabric consisting of a warp and a weft both with a twist of 0-0.7 times/inch is used are laminated and longer metal foils are additionally placed on the upper and/or the lower surface, are continuously laminated and molded and then cut into a required dimension and the cut sheets are heated again.