Structural body, method for manufacturing structural body, and millimeter-wave radar module

Provided are a structure in which two resin members are joined, at least one of the resin members having a high electromagnetic wave absorption rate, a method for manufacturing the structure, and a millimeter-wave radar module. A structure having a first member formed from a thermoplastic resin composition A and a second member formed from a thermoplastic resin composition B, the first member and the second member being at least partially bonded, and the transmittance of a test piece obtained by molding the thermoplastic resin composition A to a thickness of 2 mm being 70.0% or more at a frequency of 76.5 GHz. A test piece obtained by molding the thermoplastic resin composition B to a thickness of 2 mm has a transmittance of less than 50.0% at a frequency of 76.5 GHz, and a test piece obtained by molding the thermoplastic resin composition B to a thickness of 2 mm has an absorptivity of 40.0% or more at a frequency of 76.5 GHz. 本发明提供结构体、结构体的制造方法和毫米波雷达模块，该结构体是2个树脂构件接合而成的结构体，上述树脂构件中的至少一者是电磁波吸收率高的树脂构件。一种结构体，其具有由