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:
Feb. 21, 2012
Filed:
Sep. 23, 2008
Applicant:
Takashi Horiuchi, Aikoh-gun, JP;
Inventor:
Takashi Horiuchi, Aikoh-gun, JP;
Assignee:
NHK Spring Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 21/21 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing a load beam directly improves the finishing accuracy of the surface of the load beam having a tab and/or a dimple, and the method includes a modifying process of preparing a flat plate work serving as the load beam and irradiating a part of a surface of the work where the tab and/or the dimple is formed with a laser beam, to form a modified layer in the irradiated part and a forming process of carrying out plastic working on the part where the modifies layer is present, to form the tab and/or the dimple in the part where the modified layer is present.