Method and apparatus for matching trace lengths of signal lines

Details Method and apparatus for matching trace lengths of signal lines Method and apparatus for matching trace lengths of signal lines

1998-07-21

2000-06-06

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361748, 361778, 174261, 174262, 365 51, 365 63, H05K 706, H05K 702

Patent

active

060726997

ABSTRACT:
A printed circuit board (PCB) includes a first 90.degree. signal line. The first 90.degree. signal line connects a first location on a first layer of the PCB to a second location on a second layer of the PCB. The PCB includes a second 90.degree. signal line. The second 90.degree. signal line is adjacent and equal in length to the first 90.degree. signal line. The second 90.degree. signal line connects a third location on the first layer of the PCB to a fourth location on the second layer of the PCB.

REFERENCES:
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patent: 4980860 (1990-12-01), Houston et al.
patent: 5255156 (1993-10-01), Chang
patent: 5619472 (1997-04-01), Okamura
patent: 5737053 (1998-04-01), Yomogihara et al.
patent: 5864181 (1999-01-01), Keeth
patent: 6005265 (1999-12-01), Kuroda

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