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  Method of manufacturing thin-film antennaUSPTO Application #: 20070207262Title: Method of manufacturing thin-film antenna Abstract: A method of manufacturing a thin-film antenna is disclosed. A substrate is provided and coated with an organic material layer. After both of the substrate and organic material layer have been dried, a conductive layer is formed on both the substrate and the organic material layer. The organic material layer and the layer thereon are then removed so that the remaining conductive layer forms a thin-film antenna. (end of abstract)
Agent: Apex Juris, PLLC Tracy M Heims - Seattle, WA, US Inventors: Kun-Ta Lu, Hsin-Chun Lu, Han-Lun Lin USPTO Applicaton #: 20070207262 - Class: 427058000 (USPTO) Related Patent Categories: Coating Processes, Electrical Product Produced The Patent Description & Claims data below is from USPTO Patent Application 20070207262. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of Invention [0002] The present invention relates to a method of manufacturing antenna, and more particularly, to a method of manufacturing thin-film antenna. [0003] 2. Description of Related Art [0004] An antenna is an electronic component designed to transmit or receive radio waves. Prior types of antennas include wired antenna, etched antenna, and printed antenna. The wired antenna, which is a metallic or conductive wire looped around a core to form a coil, is normally used for low-frequency electromagnetic wave transmission. Etched antenna is manufactured by using acid solution to etch metallic material such as copper or aluminum so that the etched metallic material forms the patterned antenna. The manufacture cost and the use of acid solution, however, are the main concerns that need to be considered. As the printing technique has been improving, a substrate may be printed with conductive material on its surface to form a printed antenna. Precise positioning of the conductive material on the substrate during printing is most important but yet still difficult to achieve satisfactorily. SUMMARY OF THE INVENTION [0005] An object of the invention is to provide an applicable, cost-effective, and environmental friendly thin-film antenna. [0006] Another object of the invention is to provide a thin-film antenna widely incorporated in wireless communication devices. [0007] To achieve the above objects, the invention provides a method of manufacturing thin-film antenna comprising the steps of: providing a substrate, patterning an organic material layer on the substrate, drying the substrate and the organic material layer, forming a conductive layer on both the substrate and the organic material layer, and removing the organic material layer and the conductive layer thereon. [0008] To achieve the above objects, the invention provides another method of manufacturing a thin-film antenna, comprising the steps of: providing a substrate, patterning an organic material layer on the substrate, drying the substrate and the organic material layer, forming a conductive layer on both the substrate and the organic material layer, forming a protective layer on the conductive layer, and removing the organic material layer and the layers thereon. BRIEF DESCRIPTION OF THE DRAWINGS [0009] FIG. 1A is a diagrammatic cross sectional view of a substrate of the first embodiment. [0010] FIG. 1B is a diagrammatic cross-sectional view of an organic material layer coated on the substrate according to the first embodiment. [0011] FIG. 1C is a diagrammatic cross-sectional view of the substrate and the organic material layer being dried by ultraviolet radiation according to the first embodiment. [0012] FIG. 1D is a diagrammatic cross-sectional view of a conductive layer formed on the organic material layer and the substrate according to the first embodiment. [0013] FIG. 1E is a diagrammatic cross-sectional view of the conductive layer after the organic material layer and the conductive layer thereon have been removed according to the first embodiment. [0014] FIG. 1F is a diagrammatic cross-sectional view of a thin-film antenna of the first embodiment. [0015] FIG. 2A is a diagrammatic cross-sectional view of a substrate of the second embodiment. [0016] FIG. 2B is a diagrammatic cross-sectional view of an organic material layer coated on the substrate according to the second embodiment. [0017] FIG. 2C is a diagrammatic cross-sectional view of the substrate and the organic material layer being dried by the ultraviolet radiation according to the second embodiment. [0018] FIG. 2D is a diagrammatic cross-sectional view of a conductive layer formed on the organic material layer and the substrate according to the second embodiment. [0019] FIG. 2E is a diagrammatic cross-sectional view of a protective layer coated on the conductive layer according to the second embodiment. [0020] FIG. 2F is a diagrammatic cross-sectional view of the protective layer and the conductive layer after removing the organic material layer and the layers thereon according to the second embodiment. [0021] FIG. 2G is a diagrammatic cross-sectional view of a thin-film antenna of the second embodiment. Continue reading... Full patent description for Method of manufacturing thin-film antenna Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Method of manufacturing thin-film antenna patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. 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