Abstract:
PURPOSE: A circuit board is provided to rapidly discharge heat from an electronic device by attaching a grapheme to a base substrate. CONSTITUTION: In a circuit board, a circuit pattern(120) is formed in a base substrate(110). The electronic component(130) is electrically connected to the circuit pattern. A first graphene is arranged in at least one side the base substrate. A protective layer(140) comprises a first solder resist layer, a second grapheme, and a second solder resist layer The first solder resist layer covers the circuit pattern. The second graphene is arranged in the first solder resist layer. The second solder resist layer covers the second graphene.
Abstract:
PURPOSE: A producing method of graphene, the graphene, a thin conductive film, a transparent electrode, and a heat generation/radiation device including thereof are provided to rapidly obtain the graphene from the graphene member. CONSTITUTION: A producing method of graphene comprises the following steps: preparing a graphene member containing a base member(110), a hydrophilic oxidized layer(120) formed on the base member, a hydrophobic metal catalyst layer(130), formed on the hydrophilic oxidized layer, and the graphene(140) formed on the metal catalyst layer; applying water to the graphene member; dividing the portion in between the hydrophilic oxidized layer and the hydrophobic metal catalyst layer; and removing the metal catalyst layer by etching.
Abstract:
본 발명은 광 검출 소자 및 제조 방법에 관한 것으로, 게이트 전극을 포함하고, 유전체 층이 형성된 기판, 유전체 층의 상부에 서로 이격되어 형성된 소스 전극 및 드레인 전극, 소스 전극과 드레인 전극을 연결하는 채널층, 채널층에 코팅된 염료 분자를 포함한다. 이때 채널층은 핵사고날 원자 물질로 구성 된 것이다.
Abstract:
The present invention relates to a transparent strain-sensor which includes a light transmitting substrate and at least three measuring units, which are located on a first surface of the substrate and are separately arranged at a first distance from a first point, as a reference, on the first surface of the substrate. The at least three measuring units are separated from each other in the circumferential direction having the first point, as a center point, with an interval of a fixed angle. Each measuring unit includes a light transmitting circuit pattern; a first terminal electrically connected to the circuit pattern; and a second terminal electrically connected to the circuit pattern.
Abstract:
PURPOSE: A ferroelectric capacitor for a flexible nonvolatile memory device, a flexible nonvolatile ferroelectric memory device, and a method for manufacturing the same are provided to improve the performance of a flexible memory by using a ferroelectric layer. CONSTITUTION: A semiconducting channel layer(510) is formed on a flexible substrate. A source and a drain region(520,530) are formed at both sides of the semiconductor channel layer. A barrier layer(540) is formed on the semiconductor channel layer. A ferroelectric layer(550) is formed on the barrier layer. A source and a drain electrode(570,580) are formed on the source and the drain region.
Abstract:
PURPOSE: A graphene/polymer composite protective membrane is provided to maintain high stability, durability and electric properties of products and devices for long term. CONSTITUTION: A graphene/polymer composite protective membrane comprises a plurality of graphene layers(110,130,150) formed by reacting a carbon source-containing reaction gas and providing heat; and a plurality of polymer layer(120,140,160) formed between respective graphene layers. Each of the graphene layers has a thickness of 100 nm or less, and the thickness of the each polymer layer is 1-1,000 nm. The polymer layer comprises polyimide, polyacrylate, polyurethane, polyethylene terephthalate, polyethersulfone, polyether ether ketone, polycarbonate and a combination thereof.
Abstract:
PURPOSE: An apparatus and a method for synthesizing graphene are provided to mass-product graphene of high quality based on a simple process which increases the grains of catalytic metals. CONSTITUTION: A method for synthesizing graphene includes the following: catalytic metals are loaded in a chamber along a vertical direction or a horizontal direction; the catalytic metals are heated to increase the grains of the catalytic metals; a vapor phased carbon supplying source is introduced to the catalytic metals to increase the internal temperature of the chamber; and the catalytic metals are cooled to form graphene. The grain sizes of the catalytic metals are more than 100um. An apparatus(10) for synthesizing graphene includes a frame(100) and supporting parts(200). The frame includes a space for vertically horizontally expended catalytic metals(300). The supporting parts separately support each catalytic metal.
Abstract:
PURPOSE: The flexibility transparency heating element using graphene and the manufacturing method thereof are formed differently the floor number of graphene. The calorific efficiency of the heating element is multiplied. CONSTITUTION: A graphene layer(140) is at least formed of a flexibility transparent substrate(100) in a single-side. By offering the reaction gas and the heat including the carbon source on the metallic catalyst and reacting the graphene layer is formed. A electrode(120) more than the pair is formed as long as it is connected to the graphene layer. The protective layer is formed in electrode and the graphene layer. The electrode is patterned to the fine structure.