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:
Dec. 07, 1999
Filed:
Sep. 30, 1997
Applicant:
Inventor:
Shuichi Sawada, San Jose, CA (US);
Assignee:
Yamaha Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B44C / ;
U.S. Cl.
CPC ...
216 22 ; 216 66 ; 360113 ; 296033 ;
Abstract
Projected ABSs (air bearing surfaces) are formed on a disk facing plane of a slider. Three-dimensional corners constituting the corners of ABSs are chamfered. Two-dimensional corners constituting side edges of ABSs are not chamfered and has sharp edges. Damages of a disk surface and breakage of the slider are prevented when the slider collides with the disk surface by external shock.