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:
Jul. 06, 2004
Filed:
Aug. 27, 2001
Hiroshi Shindo, Tokyo, JP;
Akio Ogawa, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
An apparatus for lapping a workpiece including a plurality of magnetic heads supported by a tool is disclosed. The lapping apparatus comprises a rotary-lapping table having an abrasive surface, and a lapping device assembly provided so as to be movable with respect to the abrasive surface of the lapping table. The lapping device assembly includes a device provided at a lower portion of the lapping device assembly for supporting the tool and a device for respectively applying predetermined loads to a plurality of load applying portions of the tool. The load applying portions of the tool is disposed along the longitudinal direction of the tool. The load-applying device applies the loads from a plurality of different directions to at least one of the load applying portions of the tool so that the tool is deformed into a predetermined shape.