国家/地区
IPC部 H（2）
IPC大类
IPC小类
IPC
发明人 CHO B J（2）
公开年 2016（2）
申请年
专利权人

Copper interconnection device for electronic devices such as displays, has capping layer which is graphene having functional group on surface, formed on exposed surface of copper pattern layer.

CHO B J, YOON S J, YOON H A

Graphene thermoacoustic speaker has first electrode and second electrode formed for applying electric signal in graphene thin film.

CHO B J, CHOI J W, HONG S K, KIM C S