The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 2011
Filed:
Aug. 26, 2009
Applicant:
Maraki Maetani, Kyoto, JP;
Inventor:
Maraki Maetani, Kyoto, JP;
Assignee:
Kyocera Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/58 (2006.01); H05K 1/11 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wiring board equipped with differential lines which compensate for differences in via lengths to minimize signal deterioration is disclosed. Two conductors are couple to different substrate levels through vias of different lengths. Compensation means are provided to correct for the phase difference caused by the different lengths.