| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing a high quality transparent surface exothermic body simply, conveniently, and inexpensively in which visibility is high, and in which a resistance value at a conductive part is low, and uniform exotherm is possible. SOLUTION: This manufacturing method of the transparent surface exothermic body has a conductive geometric pattern at least on one face of a transparent resin substrate, and is characterized in that after screen-printing a conductive paste containing a silver compound on a transparent porous layer face installed at least at one face of the transparent resin substrate in a geometric pattern, the conductive geometric pattern is formed on the transparent porous layer face by heat-treating the screen-printed transparent resin substrate, and in which a pair of electrodes or more are installed at the conductive geometric pattern. The cross-sectional face of a pattern thin wire has an approximately semicircular shape, and air foams are hard to remain because adhesiveness is superior in pasting an adhesive layer or the like. For that reason, there are merits that the transparent surface exothermic body is obtained which is superior in transparency and in which the view angle is large. COPYRIGHT: (C)2006,JPO&NCIPI
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