国家/地区 巴西（2）
IPC部 B（2）
IPC大类 B82（2）
IPC小类 B82Y（2）
IPC C01B032/182（2）
发明人
公开年
申请年 2015（2）
专利权人

Planar electromagnetic filter has little dependence with angle of polarization and angle of incidence, and is composed of periodic arrangement of graphene rings of different dimensions placed at fixed distance.

DMITRIEV V, MONTE DO NASCIMENTO C

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

HASEGAWA S, KAMIYA N, HASEGAWA SHOJI, KAMIYA NAGISA, SHOJI H, NAGISA K, SHEN Y