1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 08 20 Revised Para 3.0 inserted; Para 3.5, 3.6, 3.7, 3.8, 3.10, 4 deleted 1993 02 11 NGA1E10269419001 Reactivated & Updated A. Vallabhanath 1984 03 22 CF4N-RD888002116 Released Printed copies are uncontrolled Copyright 2003, Ford Global T
2、echnologies, Inc. Page 1 of 2 LAMINATE, COPPER CLAD, FLUSH ESF-M99L19-A 1. SCOPE The material defined by this specification is a melamine coated copper clad laminate, which is self-extinguishing. The copper is flush with the base laminate. 2. APPLICATION This specification was released originally fo
3、r printed circuits in the windshield wiper. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 SUBSTRATE (1.6 mm thick) 3.1.1 Water Absorption, max
4、10% (ASTM D 570) 3.1.2 Flexural Strength, min 105 MPa (ASTM D 790, lengthwise) 3.1.3 Impact Strength, Izod, min 27 J/m (ASTM D 256, notched, lengthwise) 3.1.4 Compressive Strength, min 105 MPa (ASTM D 495) 3.1.5 Dielectric Strength, min 14 kV/mm (ASTM D 229, short time) 3.1.6 Specific Gravity, min 1
5、.40 3.1.7 Heat Deflection Temperature, min (ASTM D 648) At 1820 kPa 205 C 3.2 COPPER 3.2.1 Chemical Composition (ASTM E 53) Copper + Silver 99.8 min ENGINEERING MATERIAL SPECIFICATIONESF-M99L19-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 2 of 2 3.2.2 Thicknes
6、s (ASTM D 374, Method C) To be specified on engineering drawing. 3.3 COMPOSITE 3.3.1 Bond Strength, min 125 g/mm of width Test Method: Peel sufficient copper from the substrate to allow gripping with a clamp. Suspend laminate horizontally with peeled copper foil perpendicular to the laminate and poi
7、nting downward. Suspend a weight (including clamp) equivalent to 125 g/mm of width from the end of the foil. There shall be no loosening of the bond or any further peeling of the foil from the substrate after 10 minutes. 3.3.2 High Temperature Resistance Shall not blister Test Method: Expose 20 minu
8、tes at 210 C and 25 cycles of 1 h at - 29 C and 1 h at 150 C. There shall be no evidence of blistering and there shall be no more warp than specified on engineering drawing. This test may be run on parts or samples representative of parts. 3.3.3 Overall Thickness To be specified on engineering drawing. 3.4 FLAMMABILITY (ISO 3795) Burn Rate, max Self-extinguishing
