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    • 1. 发明授权
    • Printed circuit board with circuit topology
    • 带电路拓扑的印刷电路板
    • US08604351B2
    • 2013-12-10
    • US13335996
    • 2011-12-23
    • Hua-Li ZhouChia-Nan PaiShou-Kuo Hsu
    • Hua-Li ZhouChia-Nan PaiShou-Kuo Hsu
    • H05K1/09
    • H05K1/0253
    • A printed circuit board includes a signal layer and a reference layer. The signal layer is covered with copper foil. A circuit topology for multiple loads is set on the signal layer. The circuit topology includes a driving terminal, a first signal receiving terminal, and a second signal receiving terminal. The driving terminal is connected to a node through a first transmission line. The node is connected to the first and second signal receiving terminals respectively through a second and a third transmission lines. A difference between lengths of the second and third transmission lines is greater than a product of a transmission speed and a rise time of signals from the driving terminal. The reference layer is covered with copper foil, and arranged under the signal layer. A region without copper foil is formed on the reference layer, under the second transmission line.
    • 印刷电路板包括信号层和参考层。 信号层被铜箔覆盖。 在信号层上设置多个负载的电路拓扑。 电路拓扑包括驱动端子,第一信号接收端子和第二信号接收端子。 驱动终端通过第一传输线连接到节点。 节点分别通过第二和第三传输线连接到第一和第二信号接收终端。 第二和第三传输线的长度之差大于来自驱动终端的信号的传输速度和上升时间的乘积。 参考层用铜箔覆盖,并布置在信号层下面。 在第二传输线下方,在参考层上形成没有铜箔的区域。
    • 3. 发明申请
    • PRINTED CIRCUIT BOARD
    • 印刷电路板
    • US20120007688A1
    • 2012-01-12
    • US12960321
    • 2010-12-03
    • HUA-LI ZHOUMING WEICHIA-NAN PAISHOU-KUO HSU
    • HUA-LI ZHOUMING WEICHIA-NAN PAISHOU-KUO HSU
    • H01P3/08
    • H05K1/0245H05K2201/09727
    • A printed circuit board includes an insulation layer and a signal layer attached to the insulation layer. The signal layer includes a pair of differential transmission lines. Width W of each of the differential transmission lines is changed according to change of space S between the differential transmission lines, based on the following formula: W = C   1 × H × ( C   2 × H 0.8  W 0 + T ) C   3 ×  C   4 × S 0 H - 1 1 - C   3 ×  C   4 × S H - 1.25  T In above formula, C1=7.475, C2=5.98, C3=0.48, C4=−0.96, H is a thickness of the insulation layer, W0 is an original width of each of the differential transmission lines, and S0 is an original space between the differential transmission lines, and T is a thickness of each of the differential transmission lines.
    • 印刷电路板包括绝缘层和附着到绝缘层的信号层。 信号层包括一对差动传输线。 差分传输线的宽度W根据以下公式根据差分传输线之间的空间S的变化而改变:W = C 1 / H×(C 2 2×H 0.8 W 0 + 在上式中,C 1 = 7.475,C 2 = 5.98,C 3 = C 9,C 3 = 0.48,C4 = -0.96,H是绝缘层的厚度,W0是差分传输线的原始宽度,S0是差动传输线之间的原始空间,T是各个差分传输线的厚度 差动传输线。
    • 5. 发明授权
    • Printed circuit board
    • 印刷电路板
    • US08441327B2
    • 2013-05-14
    • US12960321
    • 2010-12-03
    • Hua-Li ZhouMing WeiChia-Nan PaiShou-Kuo Hsu
    • Hua-Li ZhouMing WeiChia-Nan PaiShou-Kuo Hsu
    • H03H7/38
    • H05K1/0245H05K2201/09727
    • A printed circuit board includes an insulation layer and a signal layer attached to the insulation layer. The signal layer includes a pair of differential transmission lines. Width W of each of the differential transmission lines is changed according to change of space S between the differential transmission lines, based on the following formula: W = C ⁢ ⁢ 1 × H × ( C ⁢ ⁢ 2 × H 0.8 ⁢ W 0 + T ) C ⁢ ⁢ 3 × ⅇ C ⁢ ⁢ 4 × S 0 H - 1 1 - C ⁢ ⁢ 3 × ⅇ C ⁢ ⁢ 4 × S H - 1.25 ⁢ T In above formula, C1=7.475, C2=5.98, C3=0.48, C4=−0.96, H is a thickness of the insulation layer, W0 is an original width of each of the differential transmission lines, and S0 is an original space between the differential transmission lines, and T is a thickness of each of the differential transmission lines.
    • 印刷电路板包括绝缘层和附着到绝缘层的信号层。 信号层包括一对差动传输线。 差分传输线路的宽度W根据以下公式根据差分传输线路之间的空间S的变化而变化:W = C⁢1×H×(Cé2×H 0.8W 0 + T)C uch 3×ⅇC ud 4×S 0 H-1 1 -C⁢3×ⅇC ud 4×SH-1.25T在上式中,C1 = 7.475,C2 = 5.98,C3 = 0.48,C4 = -0.96,H是绝缘层的厚度,W0是差分传输线的原始宽度,S0是差动传输线之间的原始空间,T是各个差分传输线的厚度 差动传输线。
    • 10. 发明申请
    • PRINTED CIRCUIT BOARD
    • 印刷电路板
    • US20130048352A1
    • 2013-02-28
    • US13335996
    • 2011-12-23
    • HUA-LI ZHOUCHIA-NAN PAISHOU-KUO HSU
    • HUA-LI ZHOUCHIA-NAN PAISHOU-KUO HSU
    • H05K1/09
    • H05K1/0253
    • A printed circuit board includes a signal layer and a reference layer. The signal layer is covered with copper foil. A circuit topology for multiple loads is set on the signal layer. The circuit topology includes a driving terminal, a first signal receiving terminal, and a second signal receiving terminal. The driving terminal is connected to a node through a first transmission line. The node is connected to the first and second signal receiving terminals respectively through a second and a third transmission lines. A difference between lengths of the second and third transmission lines is greater than a product of a transmission speed and a rise time of signals from the driving terminal. The reference layer is covered with copper foil, and arranged under the signal layer. A region without copper foil is formed on the reference layer, under the second transmission line.
    • 印刷电路板包括信号层和参考层。 信号层被铜箔覆盖。 在信号层上设置多个负载的电路拓扑。 电路拓扑包括驱动端子,第一信号接收端子和第二信号接收端子。 驱动端子通过第一传输线连接到节点。 节点分别通过第二和第三传输线连接到第一和第二信号接收终端。 第二和第三传输线的长度之差大于来自驱动终端的信号的传输速度和上升时间的乘积。 参考层用铜箔覆盖,并布置在信号层下面。 在第二传输线下方,在参考层上形成没有铜箔的区域。