COVERAGE FOR MILLIMETERWELLING ADDRESS AND MILLIMETERWELLARMODULE DAMIT

摘要

There is provided a cover for a millimeter-wave radar, the cover being provided on an antenna that transmits and/or receives a millimeter wave of 75 to 81 GHz, the cover containing a thermoplastic resin composition that contains an aromatic polycarbonate resin having a structural unit (A) represented by formula (1) below, the cover having a relative dielectric constant εr of 3.0 or less, a dielectric loss tangent tan δ of 8.0 × 10-3 or less, and a loss factor εr·tan δ of 17.0 × 10-3 or less:where in formula (1), R1 and R2 are each a hydrogen atom or a methyl group, and W1 is at least one selected from a single bond, an oxygen atom, a sulfur atom, and a divalent organic group.