Materials for printed boards and other interconnecting structures - Part 3-3: Sectional specification set for unreinforced base materials, clad and unclad (intended for flexible printed boards) - Adhesive coated flexible polyester film
印制板和其他互连结构用材料.第3-3部分:包覆和非包覆(柔性印制板用)无增强基材的分规范集.涂粘合剂的柔性聚酯薄膜
Gives requirements for flexible polyester (PETP) films coated on one side or both with polyester, acrylic or epoxide type adhesive for use in the fabrication of flexible printed wring.
Films coated on only one side are used as a coverlay or covercoat in the fabrication of flexible printed wiring. This coverlay or covercoat is also used to provide local support to areas subjected to mechanical or environmental stress.
Films coated on both sides are used as bonding films in the fabrication of printed boards.