Patent ID: 11955438
Assignee: LAIRD TECHNOLOGIES, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  C | IPC C  H

Claim 21:
22. A thermally-conductive electromagnetic interference (EMI) absorber comprising a matrix and at least one functional filler in the matrix, wherein:
the thermally-conductive EMI absorber has a thermal conductivity greater than 6 Watts per meter per Kelvin (W/mK);
the thermally-conductive EMI absorber has an attenuation greater than 15 decibels per centimeter (dB/cm) at a frequency of 10 gigahertz (GHz) or higher;
the at least one functional filler includes silicon carbide and aluminum oxide;
the matrix includes process oil, di-block polymer, coupling agent, antioxidant, and silica;
the thermally-conductive EMI absorber includes at least 94.5% by weight of the at least one functional filler and no more than 5.5% by weight of the matrix; and
the thermally-conductive EMI absorber includes at least 80% by volume of the at least one functional filler and no more than 20% by volume of the matrix.