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    • 4. 发明专利
    • Method for manufacturing flexible printed circuit board
    • 制造柔性印刷电路板的方法
    • JP2011114107A
    • 2011-06-09
    • JP2009268257
    • 2009-11-26
    • Nippon Foil Mfg Co Ltd日本製箔株式会社
    • YAMAMOTO KANESHIGEBABA SHIGERU
    • H05K3/06
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a flexible printed circuit board capable of arranging circuit lines with a high density by forming the cross sectional shape of the circuit in a shape close to a rectangular shape from a trapezoidal shape.
      SOLUTION: A laminate sticking an aluminum foil and a film made of a synthetic resin is prepared. The surface of the aluminum foil in the laminate is resist-treated, and a resist and a non-resist are formed and etched. A non-resist site is post-treated by a ferric-chloride aqueous solution after etching. Then, the non-resist site is finish-treated by an aqueous solution selected from a group consisting of a sodium-hydroxide aqueous solution, a sodium-carbonate aqueous solution, a sodium-phosphate aqueous solution, a phosphoric-acid aqueous solution, a nitric-acid aqueous solution, and a chromic-acid aqueous solution. The flexible printed circuit board thus obtained is used as an antenna coil for an IC tag and an IC chip.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种制造柔性印刷电路板的方法,该柔性印刷电路板能够通过从梯形形状形成接近矩形的形状的电路的横截面形状,从而能够高密度地布置电路线。 解决方案:制备粘贴铝箔的层压板和由合成树脂制成的膜。 对层压体中的铝箔表面进行抗蚀处理,形成抗蚀剂和非抗蚀剂。 蚀刻后,用氯化铁水溶液对非抗蚀剂部位进行后处理。 然后,通过选自氢氧化钠水溶液,碳酸钠水溶液,磷酸钠水溶液,磷酸水溶液,磷酸钠水溶液, 硝酸水溶液和铬酸水溶液。 由此获得的柔性印刷电路板用作IC标签和IC芯片的天线线圈。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Method for manufacturing printed circuit board
    • 制造印刷电路板的方法
    • JP2008214647A
    • 2008-09-18
    • JP2007049245
    • 2007-02-28
    • Nippon Foil Mfg Co Ltd日本製箔株式会社
    • KADOWAKI KENICHINAKAMARU KATSUYUKIWASAMOTO MITSUYUKI
    • C23F1/00C23F1/20H05K3/06
    • PROBLEM TO BE SOLVED: To provide a method for making a rim edge of a circuit line sharp, in a process of manufacturing a printed circuit board through printing a resist ink with a gravure printing technique.
      SOLUTION: A laminated body is prepared by laminating a synthetic resin film with an aluminum foil. Further, the resist ink is prepared by dissolving a resin into an organic solvent and blending fine powders of silica in the solution. A predetermined pattern is printed on the surface of the aluminum foil of the laminated body by using the resist ink with the gravure printing technique to form a resist part in which the resin film is stuck on the surface of the aluminum foil and a non-resist part on which the resin film is not stuck on the surface of the aluminum foil. Then, the aluminum foil exposed in the non-resist part is removed by etching. Further subsequently, the resin film remaining in the resist part is removed. Thus obtained printed circuit board shows a sharp rim edge of the circuit line due to the action of the fine powders of silica.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:在通过用凹版印刷技术印刷抗蚀油墨的制造印刷电路板的过程中,提供一种制造电路线的边缘边缘的方法。 解决方案:通过将合成树脂膜与铝箔层压制备层压体。 此外,通过将树脂溶解在有机溶剂中并将二氧化硅细粉末混合在溶液中来制备抗蚀剂油墨。 通过使用具有凹版印刷技术的抗蚀剂油墨在层压体的铝箔的表面上印刷预定图案,以形成其中树脂膜粘附在铝箔表面上的抗蚀剂部分和非抗蚀剂 树脂膜未粘贴在铝箔表面上的部分。 然后,通过蚀刻去除在非抗蚀剂部分中露出的铝箔。 此后,除去保留在抗蚀剂部分中的树脂膜。 由此获得的印刷电路板由于二氧化硅的细粉末的作用而显示出电路线的尖锐边缘。 版权所有(C)2008,JPO&INPIT