MULTI-LAYER CIRCUIT BOARD HAVING GROUND SHIELDING WALLS
First Claim
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1. A circuit board, comprising:
- a plurality of signal lines; and
a plurality of shielding walls disposed between the signal lines, wherein each shielding wall comprises;
an upper surface;
a lower surface opposite to the upper surface;
a groove extending from the upper surface toward the lower surface;
a first metal layer disposed on the upper surface; and
a second metal layer disposed inside the groove and electrically connecting to the first metal layer.
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Abstract
A circuit board includes a plurality of signal lines and a plurality of shielding walls. The shield walls are disposed between the signal lines. Each shield wall includes an upper surface, a lower surface, a rectangular groove, a first metal layer and a second metal layer. The lower surface is opposite to the upper surface. The rectangular groove extends from the upper surface to the lower surface. The first metal layer is disposed on the upper surface. The second metal layer is disposed in the rectangular groove and electrically connected to the first metal layer.
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Citations
15 Claims
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1. A circuit board, comprising:
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a plurality of signal lines; and a plurality of shielding walls disposed between the signal lines, wherein each shielding wall comprises; an upper surface; a lower surface opposite to the upper surface; a groove extending from the upper surface toward the lower surface; a first metal layer disposed on the upper surface; and a second metal layer disposed inside the groove and electrically connecting to the first metal layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification