国家/地区 中国（2）
IPC部 C（3）
IPC大类 C25（3）
IPC小类 C25D（3）
IPC C30B029/02（2）
发明人
公开年
申请年 2021（3）
专利权人

Strain measurement sensor used for wearable device to measure biosignal or movement, comprises base layer formed of flexible material, and conductive thin film layer provided on surface of base layer and formed with cracks having at least one pattern of irregular straight lines or irregular curves.

KIM H J, RYU C H, KIM H, RYU C

Preparation of ultrathin beta-radiation source for micro-components, involves using polymethyl methacrylate/graphene film and platinum sheet, and depositing beta-radiation source on graphene using solution of e.g. beta-radiation source.

ZHANG J, LI C, WANG X, XU P, FENG H, CHEN Z, YANG Y, WU W, ZHOU C, LUO T

Cathode roller useful in electrolytic copper foil mechanism for preparing electrolytic copper foil, comprises annular base copper foil formed on peripheral wall of roll-shaped main body and is electrically connected to main body, and graphene film formed on surface of copper foil of base material.

WANG E, HE M, YUE X, HUANG Z, DING Z, ZHANG Z, LIU K