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    • 10. 发明授权
    • Electronic devices with carbon nanotube printed circuits
    • 具有碳纳米管印刷电路的电子设备
    • US09485862B2
    • 2016-11-01
    • US14472223
    • 2014-08-28
    • Apple Inc.
    • Ibuki KameiTimothy J. RasmussenTrent K. Do
    • H01L23/34H05K1/03H05K1/11H01L29/78H05K3/40
    • H05K1/0393H05K1/028H05K1/097H05K1/111H05K1/118H05K3/041H05K3/28H05K3/361H05K3/4007H05K2201/026H05K2201/05H05K2203/0759
    • An electronic device has structures such as substrates and internal housing structures. The substrates may be rigid substrates such as rigid printed circuit boards and flexible substrates such as flexible printed circuits, flexible touch sensor substrates, and flexible display substrates. Carbon nanotubes may be patterned to form carbon nanotube signal paths on the substrates. The signal paths may resist cracking when bent. A flexible structure such as a flexible printed circuit may have carbon nanotube signal paths interposed between polymer layers. Openings in a polymer layer may expose metal solder pads on the carbon nanotube signal paths. A stiffener may be provided under the metal solder pads. Polymer materials in the flexible structure may be molded to form bends. Bends may be formed along edges of a touch sensor or display or may be formed in a flexible printed circuit.
    • 电子设备具有诸如基板和内部壳体结构的结构。 基板可以是刚性基板,例如刚性印刷电路板和柔性基板,例如柔性印刷电路,柔性触摸传感器基板和柔性显示基板。 碳纳米管可以被图案化以在基底上形成碳纳米管信号路径。 当弯曲时,信号路径可能会抗开裂。 诸如柔性印刷电路的柔性结构可以具有夹在聚合物层之间的碳纳米管信号路径。 聚合物层中的开口可能会暴露碳纳米管信号路径上的金属焊盘。 可以在金属焊盘下设置加强件。 柔性结构中的聚合物材料可以被模制以形成弯曲。 弯曲部可以沿着触摸传感器或显示器的边缘形成,或者可以形成在柔性印刷电路中。