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:
Jul. 03, 2012
Filed:
Sep. 09, 2009
Applicants:
Akira Minegishi, Osaka, JP;
Kazuhide Uriu, Osaka, JP;
Toru Yamada, Osaka, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/18 (2006.01); H05K 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an interposer substrate, a plating stub conductor and a ground conductor form a capacitor, and a plating stub conductor and the ground conductor form a capacitor. Capacitances of the capacitors are adjusted so that a phase difference between signals transmitted by a differential transmission using a signal line including a connection wiring conductor and a signal line including a connection wiring conductor is equal to 180 degrees.