D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 13/26 (2006.01) B32B 27/04 (2006.01) D04H 1/42 (2006.01) H05K 1/03 (2006.01)
Patent
CA 2159182
Dimensionally stable resin impregnated laminates for printed wiring board applications are reinforced with from 43 to 57 weight percent of nonwoven aramid sheet having a coefficient of thermal expansion of less than 10 ppm per °C, a basis weight of from 0.8 to 4.0 oz/yd2, a density of from 0.5 to 1.0 g/cc and a Gurley Hill Porosity of less than 10 sec.
Kirayoglu Birol
Sullivan William John
Zussman Melvin Paul
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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