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:
Dec. 30, 2014
Filed:
Oct. 25, 2011
Kazunari Kimura, Tokyo, JP;
Junichi Nakamura, Tokyo, JP;
Takeshi Kijima, Tokyo, JP;
Isao Abe, Tokyo, JP;
Takahiro Suzuki, Yuri-Honjo, JP;
Toshiaki Araki, Yuri-Honjo, JP;
Kazunari Kimura, Tokyo, JP;
Junichi Nakamura, Tokyo, JP;
Takeshi Kijima, Tokyo, JP;
Isao Abe, Tokyo, JP;
Takahiro Suzuki, Yuri-Honjo, JP;
Toshiaki Araki, Yuri-Honjo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A laminated electronic device comprises two or more wiring layers including a first wiring layer and a second wiring layer, an insulating layer interposed between the first wiring layer and second wiring layer, and a through conductor extending through the insulating layer for electrically connecting a first conductor disposed on the first wiring layer to a second conductor disposed on the second wiring layer. The through conductor includes divergent sections at both ends, which have a diameter gradually increased toward the first conductor or second conductor.