Materials for printed boards and other interconnecting structures - Part 3-4: Sectional specification set for unreinforced base materials, clad and unclad (intended for flexible printed boards) - Adhesive coated flexible polyimide film
STANDARD published on 10.2.1999
Designation standards: IEC 61249-3-4-ed.1.0
Publication date standards: 10.2.1999
The number of pages: 27
Approximate weight : 81 g (0.18 lbs)
Country: International technical standard
Category: Technical standards IEC
Gives requirements for flexible polyimide films coated on one side or both sides with acrylic or epoxide type adhesive for use in the fabrication of flexible printed wiring. 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. Donne les prescriptions pour les films flexibles polyimides recouverts dun adhesif de type acrylique ou epoxyde destines a la fabrication des cablages imprimes souples.