Abstract:
본 발명은 전해액이 수용되는 전해조; 상기 전해조 내에 일부가 침지되어 회전하는 드럼형 음극; 상기 전해조 내에 침지되고 상기 음극의 둘레를 따라 복수 개가 서로 이격되어 배치된 양극; 및 상기 전해조 내에 침지되고 상기 양극 사이에 배치되어 전해액을 공급하는 급액부;를 포함하고, 상기 양극 상단의 적어도 일측에 유량조절부재가 형성되어 있는 것인 합금 포일 제조장치에 관한 것이다. 본 발명에 따르면, 합금 포일의 전이면차를 0.1 중량% 이하로 제어할 수 있어, 후속 공정에서 컬의 발생을 방지할 수 있다.
Abstract:
본 발명은 도금체의 수직성장을 가능케 하는 수직성장 마스타를 사용하여 수직성장 된 전주가공물의 가공방법과 그 방법으로 만들어진 전주가공물에 대한 것이다. 본 발명의 수직성장 마스타의 상부표면에는 돌출부와 공간부가 형성되어 진다. 상기 공간부에는 비도전성 물질로 충진 또는 코팅 또는 도포를 한다. 상기 충진 또는 코팅 또는 도포된 공간부에는 도금용액이 내부에 갇히어 정체영역을 형성하게 된다. 본 발명의 특징은 공간부에 비도전성 물질을 충진 또는 코팅 또는 도포하여, 공간부에 정체영역이 발생하도록 하는 것을 특징으로 한다. 본 발명의 수직성장 마스타를 통하여 전주가공을 실행하면, 전주가공물은 수평성장은 거의 하지 않고, 수직성장이 되게 하는 것을 특징으로 한다. 전주가공물이 수직성장이 됨에 따라 정체영역도 상부로 함께 상승한다.
Abstract:
Disclosed herein is a method of electroforming a needle cannula (100) for an injection device, wherein the electroforming method is performed in an electroforming system (1) comprising a cathode (10), an anode (60) and an electrolyte (50) with dissolved metal ions, wherein the method comprises providing a permanent mandrel (10), wherein the mandrel is configured to constitute the cathode. The mandrel (10) comprises a forming portion (20) having a forming surface (21, 22, 23, 24, 25, 26) adapted to form an inner surface of the needle cannula (100), wherein the forming portion (20) comprises a cylindrical axis (A), a longitudinal extension, a first proximal end (16) and a second distal end (17). The method further comprises electrodepositing a metal or metal alloy on the forming surface (21, 22, 23, 24, 25, 26) of the mandrel, where the electrodeposited metal or metal alloy is corresponding to the metal ions dissolved in the electrolyte (50), and whereby the electrodeposited metal or metal alloy is forming a needle cannula (100) on the mandrel (10), and separating the mandrel (10) from the formed needle cannula (100) by moving the mandrel (10) and the electroformed needle cannula relative to each other. Further disclosed is a method of producing different cannula features as composite structures (301, 302, 303, 304, 305) and interlock structures (105, 106, 107, 152, 153).
Abstract:
A method of fabricating a multi-tone amplitude photomask (50) includes providing a mask substrate (24). The method includes providing a stepped pattern in at least one layer (20a, 20b) of material on a surface of the mask substrate. The stepped pattern includes at least two steps and at least three levels (42, 44, 48). Each level of the stepped pattern provides a different intensity of light when a light source shines light on the stepped pattern.
Abstract:
Systems and methods for largescale nanotemplate and nanowire fabrication are provided. The system can include a sample holder and one or more chemical containers fluidly connected to the sample holder. The sample holder can be configured to contain a solution and to releasably hold a substrate material within the solution. In other aspects, the system can include a robotic arm including a head configured to releasably hold a substrate material. The methods can include initiating a treatment step by moving a chemical solution from a chemical container to the sample holder to submerge the substrate material for a period of time. The methods can include moving the robotic arm to position the substrate in a chemical container. The treatment steps can be stopped by removing the chemical solution from the sample holder or by moving the robotic arm to remove the substrate from the chemical container. The treatment steps can include degreasing, polishing, rinsing, anodization, and deposition.
Abstract:
A photovoltaic cell and method of forming the cell includes providing an electroformed metallic article having a plurality of electroformed elements that form a free-standing, unitary piece. The metallic article has gridlines that are spaced apart at a pitch PM. A semiconductor substrate has a top surface with a plurality of silver, where at least one of the silver patterns comprises pattern segments spaced apart at a pitch PS. The pattern segments have a length LS defined by the equation LS = P M - k*PS / 2, k being a value from 1.0 to 1.4. The metallic article is coupled to the semiconductor substrate, in which a first electroformed element in the plurality of electroformed elements is coupled to a first silver pattern in the plurality of silver patterns.
Abstract:
Plated polymeric gas turbine engine parts and methods for fabricating lightweight plated polymeric gas turbine engine parts are disclosed. The parts include a polymeric substrate plated with one or more metal layers. The polymeric material of the polymeric substrate may be structurally reinforced with materials that may include carbon, metal, or glass. The polymeric substrate may also include a plurality of layers to form a composite layup structure.
Abstract:
A method for manufacturing a structure by using a silicon mold, in which disturbances in arrangement due to charges are reduced, can be provided. The method for manufacturing a structure includes the steps of forming a recessed portion in a silicon substrate, cleaning, drying, or conveying the silicon substrate while charges of a plurality of portions sandwiched between the recessed portion are removed, and filling a metal into the recessed portion of the silicon substrate subjected to the cleaning, drying, or conveying.
Abstract:
Described herein are methods of preparing nanolaminated brass coatings and components having desirable and useful properties. Also described are nanolamined brass components and plastic and polymeric substrates coated with nanolaminated brass coatings having desirable and useful properties.