国家/地区 韩国（4）
IPC部 B（4）
IPC大类 B32（4） C01（4） C23（2）
IPC小类 B32B（4）
IPC B32B009/00（4）
发明人
公开年 2021（4）
申请年 2021（3） 
专利权人

Multilayer structure used for forming acoustic transducers diaphragm, comprises core layer and skin layer covering core layer and contains at least graphitic material containing graphene oxide, reduced graphene oxide, graphene, graphite oxide, reduced graphite oxide and graphite.

HU K, LI X, GASKELL R, AFTER K, LEE S

Transferring graphene involves forming graphene on first substrate, forming polymer precursor mixture on second substrate, providing graphene oppositely to second substrate having polymer precursor mixture.

GU T J, JANG W, SEO Y, WHANG D, WHANG D M, SEO Y M, JANG W S

Pellicle film used for preventing dust from adhering to photomask or reticle, comprises layers laminated to each other and/or layers provided with one or more openings.

TAKADA N, SEKI K, KODERA Y, SEKIGAZUNORI, YUTAKA G

Formation of porous graphene layer used as semipermeable membrane, involves providing catalytically active substrate comprising copper-nickel alloy substrate, to catalyze graphene formation under chemical vapor deposition conditions.

CHOI K, PARK H G, HEIGHT M, CHOI K J, PARK H, PIAO H