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. 03, 2002
Filed:
Mar. 27, 2001
Richard A. Strom, Eagan, MN (US);
Gordon M. Jones, Eagan, MN (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
A process of dicing a bar to form a plurality of sliders having air bearing surfaces commences with defining a dice lane having a nominal surface between adjacent slider portions on the bar, opposite edges of the dice lane defining respective edge surfaces of adjacent slider portions. The dice lane is cut away with a blade to form an edge surface of the slider. A barrier trench is formed in the nominal surface along each edge of the dice lane. The barrier trench has a width that extends a predetermined distance into the slider portion of the bar from the edge of the dice lane and a predetermined depth to eliminate ridges in the air bearing surface of the slider. The barrier trench is formed either before or after the dicing of the slider. The slider thus formed is characterized by an absence of ridges in the air bearing surface.