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    • 2. 发明专利
    • Flexible printed wiring board and bracket cable
    • 柔性印刷接线板和支架电缆
    • JP2005251958A
    • 2005-09-15
    • JP2004060024
    • 2004-03-04
    • Fujikura Ltd株式会社フジクラ
    • ICHIKAWA MASATERU
    • H05K9/00H01B7/08H01B7/17H05K1/02
    • PROBLEM TO BE SOLVED: To provide a flexible printed wiring board (FPC) which has flexibility and whose shielding ability of an electromagnetic wave is improved.
      SOLUTION: In the FPC, an electromagnetic wave shielding layer 200 formed of knit where metal wire is knitted and mesh-like porous metal foil by pressing work of metal foil is installed on at least one side of the FPC. Satisfactory ion-proof migration property is obtained with low air tightness from desired flexibility and knit-like structure and porous structure by adopting the knit and mesh-like porous metal foil.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种具有柔性的柔性印刷布线板(FPC),并且其电磁波的屏蔽能力得到改善。 解决方案:在FPC中,FPC的至少一侧安装有由金属线编织的针织物形成的电磁波屏蔽层200和通过金属箔的压制加工的网状多孔金属箔。 通过采用针织和网状多孔金属箔,从所需的柔性和针织结构和多孔结构获得具有低气密性的令人满意的离子迁移性能。 版权所有(C)2005,JPO&NCIPI
    • 4. 发明专利
    • Copper alloy plated coated film and multilayer printed wiring board
    • 铜合金涂层膜和多层印刷接线板
    • JP2005012064A
    • 2005-01-13
    • JP2003176230
    • 2003-06-20
    • Fujikura Ltd株式会社フジクラ
    • ICHIKAWA MASATERU
    • H05K1/09C22C9/00C22C9/02H05K1/02H05K3/46
    • PROBLEM TO BE SOLVED: To provide a copper alloy plated coated film excellent in thermal shock resistance, and further provide a copper alloy plated coated film for a through hole without the generation of any crack or the like by forming the copper alloy plated coated film over through holes in a double sided flexible printed wiring board and a multilayered wiring board. SOLUTION: The copper alloy plated coated film is a copper alloy plated coated film containing at least one kind of Sn or silver by 0.05 to 1.0% by weight with a remaining part comprising copper and inevitable impurities. Further, the multilayer printed wiring board is a multilayer printed wiring board where a copper alloy plated coated film is applied to the through hole in the multilayer printed wiring board. Further, the copper alloy plated coated film is a multilayer printed wiring board having a ≥15 μm thickness. Furthermore, the multilayer printed wiring board is a double-sided flexible printed wiring board, and a multilayer printed wiring board where the thickness of the copper alloy plated coated film is ≥5 μm. Consequently, there are satisfied all characteristics of thermal shock resistance, conductivity, and costs. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供耐热冲击性优异的铜合金镀覆膜,并且还通过形成镀铜铜合金来形成用于通孔的铜合金镀膜,而不产生任何裂纹等 涂布在双面柔性印刷线路板和多层布线板上的通孔上。 镀铜合金镀膜是含有0.05〜1.0重量%的至少一种Sn或银的铜合金镀膜,剩余部分含有铜和不可避免的杂质。 此外,多层印刷线路板是在多层印刷线路板中的通孔上施加铜合金镀膜的多层印刷线路板。 另外,铜合金镀膜是厚度≥15μm的多层印刷布线板。 此外,多层印刷线路板是双面柔性印刷线路板,其中铜合金镀膜的厚度为≥5μm的多层印刷线路板。 因此,满足耐热冲击性,导电性和成本的所有特性。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Flexible printed wiring board terminal or flexible flat cable terminal
    • 柔性印刷接线板端子或柔性平面电缆端子
    • JP2006319269A
    • 2006-11-24
    • JP2005142892
    • 2005-05-16
    • Fujikura Ltd株式会社フジクラ
    • ICHIKAWA MASATERUNAOE KUNIHIROMIMURA SHOJITODA YUNIE
    • H05K1/09H01B7/00H01B7/08H05K3/28
    • PROBLEM TO BE SOLVED: To provide an FPC terminal or an FFC terminal with excellent corrosion resistance (outward appearance and electric characteristics) of copper wires or the like and causing no whisker, by preventing the corrosion to the copper wires or the like in the FPC terminal and the FFC terminal including a plating layer of pure tin or tin alloy not including lead on the wires of copper or copper alloy.
      SOLUTION: The task above is solved by adopting the FPC or FFC terminal that is connector-connected to the FPC or FFC wherein the plating layer of pure tin or tin alloy not including lead is formed on the wires of copper or copper alloy, and an intermetallic compound diffusion layer including copper and tin is formed by applying heat treatment to the plating layer, the thickness of the remaining plating layer including pure tin or tin alloy not including lead after being subjected to the heat treatment is less than 0.20 μm and a corrosion preventing agent layer is formed to the terminal after the heat treatment.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供铜线等的优异的耐腐蚀性(外观和电气特性)的FPC端子或FFC端子,并且不产生晶须,通过防止对铜线等的腐蚀 在FPC端子和FFC端子中,包括在铜或铜合金线上不含铅的纯锡或锡合金的镀层。 解决方案:通过采用与FPC或FFC连接器连接的FPC或FFC端子来解决上述任务,其中在铜或铜合金的导线上形成不含铅的纯锡或锡合金的镀层 并且通过对镀层进行热处理形成包含铜和锡的金属间化合物扩散层,在经受热处理之后,包括不含铅的纯锡或锡合金的剩余镀层的厚度小于0.20μm 并且在热处理后向终端形成防腐剂层。 版权所有(C)2007,JPO&INPIT