An anodizing apparatus configured to perform an anodization on a metallic material to be processed provided with a projecting portion on a surface thereof, includes: an electrolysis tank configured to store electrolytic solution for anodization; a first electrode portion formed of a metal and electrically connected to the material in an immersed state immersed in the electrolytic solution in the electrolysis tank; a second electrode portion formed of a metal and opposing the material in the immersed state; an electrode apparatus configured to apply a predetermined voltage between the first and second electrode portions; a retaining device configured to retain and rotate the material in the immersed state; and a first injection device configured to inject the electrolytic solution toward a predetermined area deviated from the material in a storage space in the electrolysis tank so that the material is deviated from a line in the direction of injection.

Structures, devices and methods are provided for forming nanowires on a substrate. A first protruding structure is formed on a substrate. The first protruding structure is placed in an electrolytic solution. Anodic oxidation is performed using the substrate as part of an anode electrode. One or more nanowires are formed in the protruding structure. The nanowires are surrounded by a first dielectric material formed during the anodic oxidation.

A device for performing anodizing treatment on a part, the device including a treatment chamber including a part for anodizing together with a counter-electrode situated facing the part to be treated, the part to be treated constituting a first wall of the treatment chamber; a generator, a first terminal of the generator being electrically connected to the part to be treated and a second terminal of the generator being electrically connected to the counter-electrode; and a system for storing and circulating an electrolyte, the system including a storage vessel, different from the treatment chamber, for containing the electrolyte; and a circuit for circulating the electrolyte in order to enable the electrolyte to flow between the storage vessel and the treatment chamber.

A manufacturing method of a support for a planographic printing plate including at least an alkaline etching step of dissolving an aluminum surface layer of an aluminum web with an alkaline solution during a surface roughening treatment on a surface of the aluminum web continuously traveling, the manufacturing method comprising: a circulating step of cyclically using the alkaline solution between a treatment tank for the etching and an alkaline solution reservoir during adjusting composition concentration of the alkaline solution; and a filtering step of filtering the alkaline solution cyclically used so as to remove solid matter in the alkaline solution.

An insulated metal substrate (IMS) for supporting a device comprises a metallic substrate having a ceramic coating formed at least in part by oxidation of a portion of the surface of the metallic substrate. The ceramic coating has a dielectric strength of greater than 50 KV mm.sup.1 and a thermal conductivity of greater than 5 Wm.sup.1K.sup.1.

A method is disclosed for forming an article made of a metal matrix composite material having particles bonded to an anodizable matrix material. The method can include anodizing the anodizable matrix material to form an anodic layer on the anodizable matrix material. The method can also include machining at least a portion of the anodic layer.

The present invention relates to a porous acupuncture needle and a method for manufacturing the same and, more specifically, to a porous acupuncture needle, which has mirco-sized or nano-sized holes formed on the surface thereof to maximize the specific surface thereof, and a method for manufacturing the same.

Provided is a anodizing apparatus, including: a base configured to support a target product including a first bore that requires an anodizing surface treatment and a second bore that is connected to the first bore and excluded from the anodizing surface treatment; a working part configured to perform the anodizing surface treatment on the first bore; and a cover part configured to cover an outer surface of the target product, wherein the working part includes at least one electrode bar configured to access and enter the first bore, and a plurality of spray nozzles provided integrally with each of the at least one electrode bar and configured to selectively supply one of a degreasing solution, an electrolyte, and a cleaning solution to the first bore.

An article made of a metal matrix composite material having particles bonded to an anodizable matrix material. The article can comprise an anodizable matrix material, particles bonded to the anodizable matrix material, a first anodic layer on at least a portion of the anodizable matrix material formed by anodizing, wherein the anodic layer includes a portion of the particles, at least one machined layer comprising portions of at least one of the anodizable matrix material, the anodic layer, and the particles, and a second anodic layer formed about the at least one machined layer and at least a partially removed portion of the first anodic layer. An article in preparation can include an anodizable matrix material, particles bonded to the anodizable matrix material, an anodic layer on the anodizable matrix material formed by anodizing, and at least one machined layer comprising portions of at least one of the anodizable matrix material, the anodic layer, and the particles.

A method for passivating a tinplate strip after electrodepositing the tin layer or tin layers, or after an optional flow-melting of the electrodeposited tin layer or tin layers, and an apparatus for producing the passivated tinplate strip.