国家/地区 中国（5）
IPC部 G（3） H（3）
IPC大类 G02（3） H01（3）
IPC小类 G02B（3） H01Q（3）
IPC G02B005/00（3） H01Q017/00（3）
发明人 XU B（5）
公开年 2020（4）
申请年 2020（3） 
专利权人 UNIV ZHEJIANG SCI TECHNOLOGY（5）

Graphene metamaterial-based terahertz absorber has first and second aluminum oxide layers which are formed with thickness of preset value, and first and second graphene layers which are formed with thickness of preset value.

XU B, WANG D, TONG X

Graphene absorber with double split ring structure comprises silicon layer, and silicon dioxide layer with square cross-section stacked from bottom to top, and the surface of the silicon dioxide layer is provided with square split ring.

XU B, WU Z

Adjustable graphene terahertz frequency selector, has silicon dioxide layer whose surface is provided with graphene resonant structure, where graphene resonant structure is provided with multi-layer laminated square ring.

XU B, YAN M, SUN Z, WU B, CHENG P, WU Z

Graphene preparation device comprises bracket, where reaction tank is arranged above bracket, a fixed shaft is arranged on one side of the bracket, and fixed rotating shaft is connected to one side of reaction tank.

XU B, WU B, CHENG P, WU Z

Purifying material, comprises orderly graphene fiber layer, nano titanium dioxide film layer, activated carbon fiber layer and degradable composite layer at specific weight parts, where degradable composite layers comprises diatomite.

XU B