国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC B32B005/02（2） B32B015/14（2） B32B033/00（2）
发明人 ZHANG C（3）
公开年 2022（2）
申请年
专利权人

Preparing high-strength electromagnetic shielding fiber composite material useful in aerospace field, comprises e.g. obtaining modified carbon fiber cloth by depositing iron oxide nanoparticles and graphene oxide nanoparticles on surface of carbon fiber cloth by atomization deposition.

WANG J, ZHANG C, WANG Z, XI J, LIU C, ZHANG X, DUAN N, SHI Z

Multi-frequency selective noise reduction device useful in industrial noise control technology field, comprises e.g. vacuum outer framework supported on panel of inner sound insulation layer through vibration reduction connecting piece to form sealed vacuum layer.

ZHANG C, YU J, SUN D

Resin composition used to form dielectric substrate layer and prepreg used to form printed circuit board, comprises polymeric based material and fillers comprising hollow fillers comprising hollow filler, and material of hollow filler is silicon dioxide.

CHANG C, WU Y, ZHANG C