国家/地区 日本（4）
IPC部 C（5） B（2）
IPC大类 C01（5） C30（5） C23（4）
IPC小类 C01B（5）
IPC C01B032/182（5）
发明人 AIDA H（4） AOTA N（4）
公开年 2017（5）
申请年 2016（5）
专利权人 NAMIKI SEIMI.（4）

Production of unitary graphene layer or graphene single crystal for use as heat spreader involves preparing graphene oxide gel having graphene oxide molecules dispersed in fluid medium, removing fluid medium, and heat-treating graphene.

ZHAMU A, XIONG W, JANG B Z

Graphene film used for manufacture of composite for transistor, has wrinkle density of less than preset value.

AOTA N, AIDA H

Composite comprises single crystal sapphire substrate having film surface with surface roughness below preset value, metal film grown on film formation surface, and graphene film grown on metal film.

AOTA N, AIDA H

Composite used for electrode of transistor used in flexible device, consists of single crystal sapphire substrate having dislocation density less than preset value, metal film grown on substrate, and graphene film grown on metal film.

AOTA N, AIDA H

Composite material used for manufacturing graphene film, consists of single-crystal sapphire substrate having off-angle degree of specified value, metal film and graphene film, in order.

AOTA NATSUKO, AIDA HIDEO, TACHIBANA MASARU, MORISAKO SHIYO, AOTA N, AIDA H, TACHIBANA M, MORISAKO S