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. 14, 2010
Filed:
Aug. 19, 2008
Applicant:
Toshihiro Tsujimura, Ome, JP;
Inventor:
Toshihiro Tsujimura, Ome, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to one embodiment, a wiring board includes a transmission line provided to perform communications between a first semiconductor chip and a second semiconductor chip, the transmission line is formed of a distributed constant wiring portion having a characteristic impedance matched to one of an output impedance of the first semiconductor chip and an output impedance of the second semiconductor chip, and a lumped constant wiring portion which is narrower than the distributed constant wiring portion and shorter than a length which can be regarded as a lumped constant circuit.