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:
Jan. 17, 2017
Filed:
Jan. 27, 2012
Yoshinobu Ito, Hyogo, JP;
Hideo Oosumi, Osaka, JP;
Yoshinobu Ito, Hyogo, JP;
Hideo Oosumi, Osaka, JP;
Abstract
A multilayer PCB comprises vias for power-supply connected to power-supply wiring, vias for ground connected to ground wiring, ball pads for power-supply connected to balls for power-supply connected to power-supply wiring, and ball pads for ground connected to balls for ground connected to ground wiring. The vias for power-supply and the vias for ground are alternately arranged in a first direction. The vias for power-supply and the vias for ground are not alternately arranged in a second direction perpendicular to the first direction. The ball pads for power-supply and the ball pads for ground are alternately arranged in at least one of the first and second directions. Areas where the ball pads for power-supply and the ball pads for ground are provided are arranged on both sides in the second direction of an area where the vias for power-supply and the vias for ground are provided.