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    • 4. 发明授权
    • Thermal ink jet tab circuit having a plurality of trace groups wherein
adjacent traces in each group are staggered
    • 具有多个迹线组的热喷墨标签电路,其中每组中的相邻迹线交错
    • US5748209A
    • 1998-05-05
    • US331784
    • 1994-10-31
    • Terri I. ChapmanHai Q. TranBrian J. Keefe
    • Terri I. ChapmanHai Q. TranBrian J. Keefe
    • B41J2/14H05K1/11H05K3/36B41J2/01
    • B41J2/14072B41J2/14024H05K1/118H05K3/361
    • A TAB circuit particularly suited for an ink jet pen and method of manufacture. A TAB circuit is presented which incorporates a central isolation area within the TAB circuit and an ESD protective ring which surrounds the TAB circuit. To facilitate plating, all of the active TAB traces are shorted together by individual plating interconnects located generally within the central isolation area. These interconnects are arranged in a staggered pattern such that sufficient clearance is available to punch out the interconnects without damaging an adjacent trace. The central isolation area is positioned between the TAB circuit window and the terminal pads. When the TAB circuit is mounted on an ink jet pen, the central isolation area is in a "wrap area" of the pen so no additional TAB circuit area is required over what is needed to properly position the TAB circuit on the pen. In addition, since the isolation area is located above an area of the pen housing that is provided with an insulation layer, the risk of the punched traces shorting to the pen housing is eliminated.
    • 特别适用于喷墨笔的TAB电路及其制造方法。 提出了一种TAB电路,其包括TAB电路内的中心隔离区域和围绕TAB电路的ESD保护环。 为了便于电镀,所有活性TAB迹线通常位于通常位于中央隔离区域内的各个电镀互连线一起短路。 这些互连布置成交错图案,使得足够的间隙可用于冲出互连而不损坏相邻迹线。 中央隔离区域位于TAB电路窗口和端子焊盘之间。 当TAB电路安装在喷墨笔上时,中央隔离区域位于笔的“包裹区域”中,所以不需要额外的TAB电路面积来将TAB电路正确放置在笔上。 此外,由于隔离区域位于设置有绝缘层的笔式外壳的区域上方,因此消除了冲压到笔架的短路的风险。