Invention Grant
US09258892B2 Circuit materials, circuits laminates, and method of manufacture thereof 有权
电路材料,电路层压体及其制造方法

Circuit materials, circuits laminates, and method of manufacture thereof
Abstract:
A circuit subassembly is disclosed comprising a conductive metal layer and a dielectric substrate layer having a dielectric constant of less than about 3.5 and a dissipation factor of less than about 0.006 at 10 GHz, wherein the composition of the dielectric substrate layer comprises about 5 to about 70 volume percent of borosilicate microspheres that have been treated with an alkaline solution.
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