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:
Apr. 13, 2010
Filed:
Jun. 02, 2006
Masaki Muramatsu, Komaki, JP;
Shinji Yuri, Kasugai, JP;
Makoto Origuchi, Komaki, JP;
Kazuhiro Urashima, Konan, JP;
Masaki Muramatsu, Komaki, JP;
Shinji Yuri, Kasugai, JP;
Makoto Origuchi, Komaki, JP;
Kazuhiro Urashima, Konan, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A wiring board comprising: a core board including a core body and a ceramic sub-core which is accommodated in a sub-core accommodation space that is a through-hole that communicates with major surfaces of the core body or a recess having an opening in a first major surface of the core body; and wiring laminates each formed by resin insulating layers and conductor layers laminated on each of major surfaces of the core board, wherein: a groove-filling portion which fills a gap between the core body and the ceramic sub-core is integral with a lowest resin insulating layer of the first-major-surface-side wiring laminate; and via conductors that are connected to respective conductor patterns formed on a first major surface of the ceramic sub-core penetrate through the lowest resin insulating layer.