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US 2006/0231289 A1Published application
Printed circuit board structure
OwnerYueh-Chih Chen, Kai-Shun Changinventors
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Abstract
A printed circuit board structure includes a signal reference layer exposed at the surface of the printed circuit board.
Claims22
A printed circuit board structure, comprising:
- a first signal reference layer, exposed at a surface of the printed circuit board.
A printed circuit board structure having a first surface and a second surface, comprising:
- a first signal wire layer, located at the first surface of the printed circuit board;
- a first signal reference layer, located at the second surface of the printed circuit board;
- and
- a second signal reference layer, located between the first signal wire layer and the first signal reference layer.
1 more element
A printed circuit board structure having a first surface and a second surface, comprising:
- a first signal wire layer, located at the first surface of the printed circuit board;
- a first signal reference layer, located at the second surface of the printed circuit board;
- a second signal reference layer, located between the first signal wire layer and the first signal reference layer;
- a second signal wire layer, located between the first signal reference layer and the second signal reference layer;
- and
- a third signal reference layer, located between the first signal reference layer and the second signal wire layer;
- wherein the first signal wire layer is electrically coupled to the first signal reference layer through a via.
4 more elements
Dependencies are inferred from the claim text.