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:
Jun. 24, 2014

Filed:

Apr. 05, 2013
Applicant:

Nhk Spring Co., Ltd., Yokohama, JP;

Inventor:

Mikio Arai, Yokohama, JP;

Assignee:

NHK Spring Co., Ltd., Yokohama-shi, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

A terminal area includes a metal plate, an electrically insulating layer, and a conductor layer. An opening section is formed in the metal plate and the insulating layer. A gold plating layer is formed on a surface of the conductor layer inside the opening section. A porous metal layer of a first transition element is formed on a surface of the gold plating layer. Through-holes of the porous metal layer reach the surface of the gold plating layer. An electrically conductive adhesive is provided between an electrode of an actuator element and the porous metal layer. An anchor portion of the electrically conductive adhesive gets into the through-holes and is cured. Conductive particles of the electrically conductive adhesive contact the gold plating layer.


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