BS EN 60249-2-19:1993
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specifications Specification No. 19. Thin bismaleimide/triazine modified epoxide woven glass fabric copper-clad laminated sheet of defined flammability for use in the fabrication of multilayer printed boards
Hardcopy , PDF
01-10-2006
English
15-09-1992
Committees responsible
National foreword
Specification
1. Scope
2. Normative references
3. Materials and construction
4. Internal marking
5. Electrical properties
6. Non-electrical properties of the copper-clad sheet
7. Non-electrical properties of the base material
after complete removal of the copper foil
8. Packaging and marking
9. Acceptance testing
Tables
1. Electrical properties
2. Types, sizes and permitted number of imperfections
3. Pull-off and peel strength
4. Wetting conditions
5. Dimensional stability
6. Size tolerances for cut panels
7. Rectangularity of cut panels
8. Nominal thickness and tolerances of sheet excluding
metal foil
9. flammability
10. Glass transition temperature and cure factor
11. Thermal coefficient of expansion
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