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    • 1. 发明专利
    • Metal blackening treatment method, electromagnetic wave shielding filter, composite filter, and display
    • 金属盲板处理方法,电磁波屏蔽滤波器,复合滤波器和显示器
    • JP2008147356A
    • 2008-06-26
    • JP2006331913
    • 2006-12-08
    • Dainippon Printing Co LtdEbara Udylite Kk大日本印刷株式会社荏原ユージライト株式会社
    • TOMITA HIROYUKIKYODA YUKIHIROKIMIZUKA RYOICHISATO TAKURO
    • H05K9/00B32B3/24B32B15/04G09F9/00
    • PROBLEM TO BE SOLVED: To provide a metal blackening treatment method capable of easily forming a blackened layer for preventing the reflection of light emitted from the screen of a display and the incident light from the outside for improving the viewability of the display screen, and forming a thin blackened layer of superior adhesion at the base-metal layer interface. SOLUTION: This metal blackening treatment method, for forming the blackened layer of an electromagnetic wave shielding filter for the display formed by laminating at least a transparent base, a copper mesh layer, and the blackened layer, comprises a process for forming the blackened layer on the surface of the copper mesh layer by bringing the laminate, including at least the transparent base and the copper mesh layer made to contact with a metal blackening treatment solution which is hydrochloric acid solution wherein tellurium is dissolved, the concentration (oxide-converted concentration) of tellurium in the hydrochloric acid solution is 0.01-0.45 wt.%, and the concentration of hydrochloric acid is 0.05-8 wt.%. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供能够容易地形成黑色层的金属黑化处理方法,用于防止从显示器的屏幕发射的光的反射和来自外部的入射光,以改善显示屏的可见性 并且在基底 - 金属层界面处形成具有优异粘附性的薄的黑色层。 解决方案:用于形成用于通过层压至少透明基底,铜网层和黑化层形成的显示器的电磁波屏蔽过滤器的黑化层的该金属黑化处理方法包括形成 通过使至少包含透明基底和铜网层的金属黑化处理溶液与作为溶解有碲的盐酸溶液的金属黑化处理溶液接触而形成的铜网层的表面的变黑层, 盐酸溶液中碲的转化浓度为​​0.01-0.45重量%,盐酸浓度为0.05-8重量%。 版权所有(C)2008,JPO&INPIT