国家/地区 韩国（2）
IPC部 C（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B032/184（2）
发明人 LEE G H（2）
公开年
申请年
专利权人

Manufacturing graphene thin film for pellicle material using ozone gas useful in semiconductor devices comprises forming graphene on the upper surface of substrate, exposing graphene layer to ozone, and heat-treating and etching.

LEE G H, KWON Y, WOOK Y B, MOON S I, MOON J, KIM K S, LEE S M

Directly growing multilayer graphene used in a pellicle for extreme ultraviolet lithography, involves forming small-layer graphene on SiN substrate, forming metal catalyst layer on small-layer graphene, and forming an amorphous carbon layer.

KIMHYUNGKEUN, MI K H, KIM H Y, LEE G H, SUNG K H, KIM H M, KIM S G, KIM H K