国家/地区
IPC部
IPC大类
IPC小类
IPC
发明人 CHANG K（2）
公开年 2023（2）
申请年
专利权人

Preparing single crystal graphene/two-dimensional cuprous telluride heterojunction surface-enhanced Raman spectroscopy substrate useful in surface-enhanced Raman spectroscopy, comprises etching copper film on single-crystal graphene, heating in tellurium source and molecular sieve and reacting.

CHANG K, HUANG M, WANG H, CHEN K

Radio frequency (RF) connector for use in e.g. communication facility, has shielding structure that is provided on one surface other than surface to which magnets of first structure and magnets of second structure are attached to each other.

LEE S, CHANG K, CHAE J, CHOI H, LEE S J, KONHEE C, CHAE J H