Invention Application
US20100015404A1 CIRCUIT MATERIALS, CIRCUITS LAMINATES, AND METHOD OF MANUFACTURE THEREOF 有权
电路材料,电路层压板及其制造方法

CIRCUIT MATERIALS, CIRCUITS LAMINATES, AND METHOD OF MANUFACTURE THEREOF
Abstract:
A circuit substrate laminate, comprising a conductive metal layer; and a dielectric composite material having a dielectric constant of less than about 3.5 and a dissipation factor of less than about 0.006, wherein the dielectric composite material comprises: a polymer resin; and about 10 to about 70 volume percent of cenospheres having a ferric oxide content of less than or equal to 3 weight percent.
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