KR910020200A - Multicolored article and its manufacturing method - Google Patents

Abstract

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Description

Multicolored article and its manufacturing method

Since this is an open matter, no full text was included.

1 to 4 are cross-sectional views showing representative shapes of the concave surface or the concave line of the substrate surface of the article according to the invention.

Claims (11)

Substrate, a coating formed on a specific portion of the surface described above, wherein the coating is copper (Cu), silver (Ag), gold (Au), platinum (Pt), iridium (Ir), osmium (Os), palladium ( Pd), rhodium (Rh), ruthenium (Ru), and a monolayer film and a multilayer film consisting essentially of at least one of the alloy containing the metal (s) and provided on the surface of the substrate on a heat-melt surface. A multicolored article, characterized in that it is formed into a mold surface or a line. The multicolor article of claim 1, wherein the heating application surface is formed at a depth of 0.5 μm from the surface of the substrate. (i) a first coating surface portion and a second coating surface portion that is different in color and / or color tone from the first coating surface portion, or (ii) a multicolored color comprising the first coating surface portion, the second coating surface portion, and the surface portion of the substrate. A base material is included on at least one surface, and the second film is copper (Cu), silver (Ag), gold (Au), platinum (Pt), iridium (Ir), osmium (Os), palladium (Pd), A concave or a monolayer film and a multilayer film consisting essentially of at least one of an alloy containing rhodium (Rh), ruthenium (Ru) and the metal (s) provided on the surface of the substrate on a heat-melt surface; Multicolored article, characterized in that formed. The multicolor article according to claim 3, wherein the second coating has a coating thickness of 0.05 to 20 mu m. The method of claim 3, wherein the first coating is a metal; alloy; Periodic Tables Group 4a [Titanium (Ti), Zirconium (Zr) and Hafnium (Hf)], Group 5a [Vanadium (V), Niobium (Nb), and Tantalum (Ta)] or Group 6a [Chrome (Cr), Molybdenum ( Mo) and tungsten (W)] carbides, nitrides, carbonates or nitrides of metals; Oxides, carbides or nitrides of aluminum (Al) or silicon (Si); Mutual solid solutions of the above; And a monolayer film or a multilayer film essentially composed of at least one kind of hard carbon. The multicolor article of claim 4, wherein the concave surface or concave line is at least 0.1 μm wide and at least 0.5 μm deep. at least one of (i) the first coating surface portion and the second coating surface portion that is different in color and / or color tone from the first coating surface portion, or (ii) the first coating surface portion, the second coating surface portion, and the surface of the substrate. A substrate on a surface thereof, wherein the first coating is made of metal; alloy; Periodic Table [Groups 4a [Titanium (Ti), Zirconium (Zr) and Hafnium (Hf)], Groups 5a [Vanadium (V), Niobium (Nb), and Tantalum (Ta)] or Group 6a [Chrome (Cr), Molybdenum (Mo) and tungsten (W)] carbides, nitrides, carbonates or nitrides of metals; Oxides, carbides or nitrides of aluminum (Al) or silicon (Si); Mutual solid solutions of the above; And a single layer film or a multilayer film essentially composed of at least one of hard carbons, and the second film is copper (Cu), silver (Ag), gold (Au), platinum (Pt), iridium (Ir), or osmium. (Os), palladium (Pd), rhodium (Rh), ruthenium (Ru) and a multi-colored article characterized in that it is a monolayer film and a multilayer film which consist essentially of at least 1 sort (s) of the alloy containing these metals. The multicolor article according to claim 7, wherein the hot melt surface is formed to a depth of 0.5 mu m from the surface of the substrate. A method for producing a multicolor article, the method comprising the steps of: (a) forming a temporary film composed of a material having a low affinity for the film to be provided in the step described later on the surface of the substrate; (b) forming a heated-melt surface with a concave surface or a line on the surface of the substrate by irradiating a laser beam on the surface of the temporary coating to melt and remove the surface of the temporary coating and the portion of the substrate; ; (c) Copper (Cu), silver (Ag), gold (Au), platinum (Pt), iridium (Ir), osmium (Os), palladium (Pd), rhodium (Rh), ruthenium (Ru) and the metal Forming a coating consisting essentially of at least one of the alloys containing (s); (d) removing the coating film formed in the step (c) remaining on the temporary coating film; And (e) removing the hypothesis coating. CLAIMS 1. A method for producing a multicolored article, comprising: (a) forming a first coating on one surface or portion of a substrate by dry plating or wet plating; (b) a concave surface on the surface of the substrate by irradiating a laser beam on the surface of the first coating to partially remove the first coating and to finely remove the surface of the substrate corresponding to the first coating. Or forming a line; (c) Copper (Cu), silver (Ag), gold (Au), platinum (Pt), iridium (Ir), osmium (Os), palladium (Pd), rhodium (Rh), ruthenium (Ru) and the metal Forming a second film composed essentially of at least one of the alloys containing (s) in a single layer or a plurality of layers; And (d) treating the article so that the second coating remains only on the concave surface or line formed in step (b), so that the first coating differs in color and / or color tone from those of the second coating formed in step (c). Forming a surface portion of the and a surface portion of the second coating. CLAIMS 1. A method for producing a multicolored article, comprising: (a) a metal; alloy; Periodic Tables Group 4a [Titanium (Ti), Zirconium (Zr) and Hafnium (Hf)], Group 5a [Vanadium (V), Niobium (Nb), and Tantalum (Ta)] or Group 6a [Chrome (Cr), Molybdenum ( Mo) and tungsten (W)] carbides, nitrides, carbonates or nitrides of metals; Oxides, carbides or nitrides of aluminum (Al) or silicon (Si); Mutual solid solution of the materials; And forming a first film composed of at least one of the hard carbons in a single layer and a plurality of layers; (b) irradiating a laser beam onto the surface of the first coating to partially remove the first coating to partially remove the first coating; (c) Copper (Cu), silver (Ag), gold (Au), platinum (Pt), iridium (Ir), osmium (Os), palladium (Pd), rhodium (Rh), ruthenium (Ru) and the metal Forming a second film composed essentially of at least one of the alloys containing (s) into a single layer or a multilayer by the wet plating method; And (d) removing the second coating formed in a portion other than the portion from which the first coating has been removed in step (b). ※ Note: This is to be disclosed by the original application.