Abstract:
A method for electroplating a rough platinum surface coating comprising: electroplating the surface of a conductive substrate at a rate such that the particles of platinum form on the conductive substrate faster than necessary to form shiny platinum and slower than necessary to form platinum black, wherein at least a portion of said rough platinum surface coating has a fractal geometry, and wherein electroplating voltage is less than -0.45 Volts and greater than -0.85 Volts vs. Ag/AgCl reference electrode
Abstract:
An Au plating film (12) is formed on the surface of a plate-shaped metal base (13) made of a metal more base than Au, and the metal base is cut along a line of cutting plane (18) reflecting the visible outlines of a member to form a separator (10). The thus formed separator (10) has an Au plating film (12) on a major surface (10a) and a cut face (16), which is an edge face (16) continuous with the major surface (10a). A part of the metal base (13) is exposed from a part of the cut face (16). The width of the exposed part is 1 mm of less. In such a way, a metal member for fuel cells having a sufficient corrosion resistance and producible readily at low cost, its manufacturing method, and a fuel cell having such a metal member for fuel cells are provided.
Abstract:
The present invention relates generally to methods for producing a coated jewelry article or a coated component of a jewelry article, comprising a jewelry article or a component of a jewelry article, a first metallic coating, and a second metallic coating.
Abstract:
A ceramic package (10,10A,10B) comprising: a substrate body (20) comprising ceramics; a cavity (22) opened in a surface of said substrate body (20) for mounting a light emitting element (12) on its bottom face; and a light reflecting layer (210) provided on a side face of said cavity (22), wherein said light reflecting layer includes a silver layer (34) containing silver and having a thickness of more than 3 µm and no more than 10 µm.
Abstract:
A polymer electrolyte fuel cell material comprising a plate material (41) composed of an Fe-base alloy, Ni-base alloy, Ti or Ti-base alloy, and a cover film (44a, 44b) of a noble metal covering the surface (42, 43).The cover film (44a, 44b) on the plate material (41) has a surface roughness as expressed in R max of 1.5 µm or less.
Abstract:
A corrosion-resistant conductive component (10) comprising a metal base (13) and a noble metal film (12) of 100 nm thick or less formed on at least a part of the surface (14a, 15a, 15b) of said metal component (10).Said noble metal film (12) and an intermediate layer formed between said base and said noble metal film (12) having impurity contents of C: 1.5% or less, P: 1.5% or less, O: 1.5% or less and S: 1.5% or less, and being restricted to C+P+O+S: 4.0% or less.
Abstract translation:一种耐腐蚀导电组件(10),包括金属基底(13)和形成在所述金属部件的表面(14a,15a,15b)的至少一部分上的厚度为100nm以下的贵金属膜(12) (10),所述贵金属膜(12)和形成在所述基体和所述贵金属膜(12)之间的中间层,其杂质含量为C:1.5%以下,P:1.5%以下,O:1.5% 少于S:1.5%以下,限制为C + P + O + S:4.0%以下。