# US 9,437,823 B2 · Production device for a graphene thin film

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- Number: US 9,437,823 B2
- Document ID: US9437823B2
- Status: Granted
- Kind: B2
- Application number: 14/446,464
- Filed: 2014-07-30
- Published: 2014-11-13
- Granted: 2016-09-06
- Earliest claimed: 2011-09-23
- Assignees: Chung-Ang University Industry-Academy Cooperation Foundation
- Applicants: Chung-Ang University Industry—Academy Cooperation Foundation
- Inventors: Suk Tai Chang; Yeongun Ko
- Web page: https://patentgrep.com/patent/US9437823B2

## CPC

- H10K 85/20: Carbon compounds, e.g. carbon nanotubes or fullerenes
- C01B 32/192: starting from graphitic oxides
- H10D 62/882: {Graphene}
- H10F 71/138: {Manufacture of transparent electrodes, e.g. transparent conductive oxides [TCO] or indium tin oxide [ITO] electrodes}
- B05C 5/0208: {for applying liquid or other fluent material to separate articles (B05C5/0204 takes precedence)}
- B05C 11/026: {with an elongated body renewable by feeding it across the surface}
- H10D 30/472: {having lower bandgap active layer formed on top of wider bandgap layer, e.g. inverted HEMT}
- Y02E 10/50: Photovoltaic [PV] energy
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C}
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- B05C: APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (spraying apparatus, atomising apparatus, nozzles B05B; plant for applying liquids or other fluent materials to objects by electrostatic spraying B05B5/08)
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

The present invention relates to a production device for graphene thin film. The production device for graphene thin film according to the present invention may comprise a deposition plate in contact with a substrate at an obtuse or acute angle, wherein the substrate is coated with a graphene oxide solution; and a reciprocating linear motion device connected to the deposition plate to put the deposition plate into reciprocating linear motion.

## Claims

### Claim 1

A production device for graphene thin film, comprising:
a deposition plate in contact with a substrate at an obtuse or acute angle, wherein the substrate is coated with a graphene oxide solution;
a reciprocating linear motion device connected to the deposition plate to put the deposition plate into reciprocating linear motion;
a holder for supporting the deposition plate;
an angle adjusting device for rotatably supporting the holder, for adjusting an angle between the substrate and the deposition plate, and for maintaining the adjusted angle;
a support fixture for supporting the substrate;
a height adjusting device for adjusting a height of the support fixture to adjust an angle between the substrate and the deposition plate;
a heating device installed in the support fixture to heat the substrate;
a temperature adjusting device for adjusting a heating temperature of the heating device;
an injecting device for injecting the graphene oxide solution; and
an injection tube connected to the injecting device,
wherein the holder comprises a body; a groove formed in a side of the body to receive an end portion of the deposition plate; connecting members respectively extending from both end portions of the body; and an axis receiving hole respectively formed in the connecting members,
wherein the reciprocating linear motion device comprises an axis receiving hole, an end portion of the reciprocating linear motion device is inserted between the connecting members of the holder, so that the axis receiving hole of the holder is aligned with the axis receiving hole of the reciprocating linear motion device,
wherein the angle adjusting device comprises a rotating axis respectively inserted into the axis receiving hole of the holder and the axis receiving hole of the reciprocating linear motion device; and a fixing member engaging with the rotating axis to fix the holder and the reciprocating linear motion device,
wherein the rotating axis and the fixing member are screw-coupled,
wherein the deposition plate comprises a fixing member for fixing the injection tube.