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.

Date of Patent:
Apr. 19, 2005

Filed:

Sep. 17, 2003
Applicants:

Naoya Tamaki, Tokyo, JP;

Norio Masuda, Tokyo, JP;

Toshihide Kuriyama, Tokyo, JP;

Masamoto Tago, Tokyo, JP;

Inventors:

Naoya Tamaki, Tokyo, JP;

Norio Masuda, Tokyo, JP;

Toshihide Kuriyama, Tokyo, JP;

Masamoto Tago, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K007/02 ; H05K007/06 ; H05K007/08 ; H05K007/10 ;
U.S. Cl.
CPC ...
Abstract

An electronic apparatus comprises a function module having a multilayer wiring unit including a first signal wiring corresponding to an internal layer wiring, a first signal via, a first reference potential wiring, a first signal pad to which the first signal wiring is connected through the first signal via, a first reference potential pad that surrounds the periphery of the first signal pad and to which the first reference potential wiring is connected, and a first reference potential connected to the first reference potential pad; a inultilayer circuit board; a first conductor; and a second conductor.


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