Patent ID: 11864366
Assignee: LAIRD TECHNOLOGIES, INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 18:
19. A method comprising mixing at least one filler into a base or matrix material, the at least one filler comprising aluminum powder, wherein the base or matrix material including the at least one filler is suitable for use as an EMI absorber having at least one or more of:
a permittivity (Dk) of at least 10 at frequencies below about 20 gigahertz;
a loss tangent greater than about 0.15 at frequencies above 12 gigahertz;
a loss tangent of about 0.15 or less at a frequency of about 3 gigahertz; and
attenuation above 100 decibels per centimeter at frequencies of 18 gigahertz and above.