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:
Sep. 11, 2001
Filed:
May. 26, 1998
Applicant:
Inventors:
Nobuto Fukushima, Saitama, JP;
Keisuke Kigawa, Saitama, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B44C 1/22 ;
U.S. Cl.
CPC ...
B44C 1/22 ;
Abstract
When forming a floating-type magnetic head slider for a hard disk drive or the like using dry etching, a method for manufacturing the magnetic head slider provides a method for adhering the slider being processed to an appropriate processing fixture, and when a plurality of magnetic head sliders are being processed at one time, a row (bar) array of sliders that is prepared beforehand is adhered to a metal or ceramic base, after which a dry etching method is used to form the air bearing, dry film photo-resist being used for the adhering of the row and the base. Ion milling or reactive ion etching (RIE) can be used as the dry etching method.