国家/地区 韩国（6）
IPC部 B（6）
IPC大类 C01（6） B01（4） B32（3）
IPC小类 C01B（6）
IPC C01B031/02（6）
发明人 NA D H（6）
公开年 2014（4） 2013（2）
申请年 2012（6）
专利权人 SAMSUNG TECH.（6） HANWHA TECHW.（3）

Device, useful for manufacturing graphene sheet, comprises graphene laminate formed on side of graphene layer, dispenser for spraying etching solution to laminate, friction member formed on laminate, and driver arranged to move dispenser.

YOON J H, NA D H

Apparatus, useful to remove e.g. copper from graphene sheet, includes circulation part in which cleaning solution is directly supplied to catalyst metal of graphene sheet along direction parallel to transferring direction of auxiliary tank.

NA D H

Apparatus of removing catalyst metal on graphene sheet used as transparent electrode film of e.g. flexible display, controls holder to exercise in the state that is completely sunk under catalyst metal cleaning solution.

YOON J H, NA D H

Composition, useful for removing carbonization catalyst to manufacture graphene sheet that is transferred onto substrate during manufacturing of e.g. solar cell, comprises acid and oxidizing agent.

NA D H

Apparatus, useful for producing graphene that is used in e.g. biosensor, comprises conveying element, laminate, carrier film, transfer element, heating cabinet, target substrate and graphene doping part.

YOON J H, NA D H

Manufacture of graphene film involves bonding catalytic metal layers, providing catalytic metal films on surface of obtained bonded product, forming carrier layers on adhesive tapes, and removing catalyst metal film and carrier layer.

YOON J H, NA D H, KIM N Y