Patent ID: 7652098

Claim:
A resin composition for GHz-band electronic components, the composition comprising nanoscale carbon tubes and at least one resin selected from the group consisting of thermoplastic resins, curable resins, and composite resins of thermoplastic resins and curable resins, wherein the nanoscale carbon tubes are present in an amount of 0.0001 to 0.4 wt. % based on the resin, wherein the nanoscale carbon tubes are: (ii) amorphous nanoscale carbon tubes; (iii) nanoflake carbon tubes; (iv) iron-carbon composites each composed of (a) a carbon tube selected from the group consisting of nanoflake carbon tubes and nested multi-walled carbon nanotubes, and (b) iron carbide or iron, wherein the iron carbide or iron (b) fills 10 to 90% of the internal space of the carbon tube (a); or (v) a mixture of at least two of (ii) to (iv).