| 摘要 |
The invention relates to an apparatus and method for improving coupling across plane discontinuities on circuit boards. A circuit board includes a discontinuity, e.g., a split, slot, or cutout, formed on a voltage reference plane. A conductive layer overlies the discontinuity. The conductive layer has a first portion connected to the underlying reference plane and a second portion spanning the discontinuity. The first portion is connected to the reference plane using a slot or vias. And the conductive layer has a third portion extending over the reference plane but remaining disconnected from it. The conductive layer might be graphite or carbon black.
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