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:
May. 16, 2017
Filed:
Jan. 31, 2008
Yasuhiro Yamakoshi, Ibaraki, JP;
Kenichi Mogaki, Ibaraki, JP;
Yasuhiro Yamakoshi, Ibaraki, JP;
Kenichi Mogaki, Ibaraki, JP;
JX Nippon Mining & Metals Corporation, Tokyo, JP;
Abstract
A method for connecting a magnetic substance target to a backing plate with less variation in plate thickness, characterized in having the steps of connecting the magnetic substance target to an aluminum plate beforehand while maintaining the flatness, connecting the magnetic substance target connected to the aluminum plate to the backing plate while maintaining the flatness, and grinding out the aluminum plate, whereby the flatness of the magnetic substance target can be maintained until the magnetic substance target is connected to the backing plate by a relatively simple operation.