1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 07 25 Revised Para 3.0 inserted; Para 3.5 & 4 deleted1978 06 05 Metricated & Retyped CF4A-RD567168-181964 04 20 Released F6-1327Printed copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 1 of 2 LAMINATE - COPPER C
2、LAD GLASS FIBER REINFORCED POLYESTER ESF-M99L14-A 1. SCOPE The material defined by this specification is a thermosetting resin glass mat reinforced copper clad laminate which is self-extinguishing. It has 2 ounce copper bonded to one surface. 2. APPLICATION This specification was released originally
3、 for material used to make printed circuits such as the speed control circuit. 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 LAMINATE BASE PROP
4、ERTIES - 1/16 in (1.6 mm) THICK 3.1.1 Water Absorption, max 1.2% (ASTM D 570) 3.1.2 Flexural Strength, min 15,000 psi (103 MPa) (ASTM D 790) 3.1.3 Impact Strength, Izod, min 3.0 ft lb/in (160 J/m) (ASTM D 256 - Notched) 3.1.4 Compressive Strength, min 25,000 psi (172 MPa) (ASTM D 695) 3.1.5 Dielectr
5、ic Strength, min 500 V/mil (19.7 kV/mm) (ASTM D 229 Short Time) 3.1.6 Arc Resistance, min 100 s (ASTM D 495) 3.1.7 Specific Gravity, min 1.7 (ASTM D 792) 3.1.8 Deflection Temperature, min 264 psi (1820 kPa) 205 C (ASTM D 648 ) 66 psi (455 kPa) 260 C 3.2 COPPER FOIL PROPERTIES 3.2.1 Purity, min 99.8%
6、 copper (silver (ASTM E 53) included) ENGINEERING MATERIAL SPECIFICATIONESF-M99L14-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 2 of 2 3.2.2 Thickness As specified on engineering (ASTM D 374, Method “C“) drawing 3.3 COMPOSITE REQUIREMENTS 3.3.1 Bond Strength,
7、min 7.0 lb/in (1.2 N/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 pointing downward. Suspend a weight (including clamp) equivalent to 7.0 pounds per inch (1.
8、2 N/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 After 20 min at 210 C and 25 cycles of 1 h at 29 C and 1 h at 149 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 Self-extinguishing (ASTM D 635)
