HIGH PERFORMANCE PRINTED CIRCUIT BOARD
First Claim
Patent Images
1. A printed circuit board comprising:
- an insulating portion;
a plurality of conductive traces disposed in a plurality of planes, the plurality of conductive traces being supported by the insulating portion; and
conductive vias electrically interconnecting predetermined conductive traces of the plurality of conductive traces, wherein the conductive traces connect to respective conductive vias in breakout regions and wherein at least one parameter of a breakout region is configured to provide a desired electrical characteristic.
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Abstract
A printed circuit board for carrying high frequency signals. Conducting structures of the printed circuit board are shaped within breakout regions to limit impedance discontinuities in the signal paths between vias and conductive traces within the printed circuit board. Values of parameters of traces or anti-pads, for example, may be adjusted to provide a desired impedance. The specific values selected as part of designing a printed circuit board may match the impedance of the breakout region to that of the via. The parameters for which values are selected may include the trace width, thickness, spacing, length over an anti-pad or angle of exit from the breakout region.
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Citations
30 Claims
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1. A printed circuit board comprising:
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an insulating portion; a plurality of conductive traces disposed in a plurality of planes, the plurality of conductive traces being supported by the insulating portion; and conductive vias electrically interconnecting predetermined conductive traces of the plurality of conductive traces, wherein the conductive traces connect to respective conductive vias in breakout regions and wherein at least one parameter of a breakout region is configured to provide a desired electrical characteristic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of fabricating a printed circuit board, comprising:
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configuring, by a computing system, electrical interconnections of a printed circuit board, the printed circuit board including at least one insulating sheet, conductive vias between different layers of the printed circuit board, and conductive traces connected to the vias, wherein the conductive traces connect to respective vias in breakout regions; selecting, by the computing system, at least one parameter of a breakout region to provide a desired electrical characteristic; patterning conductive structures on the at least one insulating sheet to provide the configured electrical interconnections; and forming the at least one insulating sheet into the printed circuit board. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. (canceled)
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30. A computer-readable storage device encoded with computer-executable instructions that, when executed by a computing device, perform a method of designing a printed circuit board, comprising:
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configuring electrical interconnections of the printed circuit board, the printed circuit including at least one insulating sheet, conductive vias between different layers of the printed circuit board and conductive traces connected to respective vias, wherein the conductive traces connect to respective vias in breakout regions; and selecting at least one parameter of a breakout region to provide a desired electrical characteristic.
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Specification