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:
Nov. 10, 2009
Filed:
Nov. 15, 2006
Yong HU, Fremont, CA (US);
Eric T. Sladek, Pleasanton, CA (US);
Biao Sun, Fremont, CA (US);
Forhad Hossain, Fremont, CA (US);
Ji-feng Ying, San Jose, CA (US);
Yong Hu, Fremont, CA (US);
Eric T. Sladek, Pleasanton, CA (US);
Biao Sun, Fremont, CA (US);
Forhad Hossain, Fremont, CA (US);
Ji-Feng Ying, San Jose, CA (US);
Western Digital (Fremont), LLC, Fremont, CA (US);
Abstract
A head for use in a magnetic hard disk drive or other information storage device includes a novel ABS. The novel ABS includes an inter-cavity dam that is disposed between at least a portion of a cavity and a trailing pad. The inter-cavity dam is spaced longitudinally from the trailing pad by at least one thirtieth of the slider length. The inter-cavity dam includes an OD dam surface and an ID dam surface, with a slider-bisecting longitudinal plane passing between a majority of the OD dam surface and a majority of the ID dam surface. The OD dam surface is recessed from the first plane by an OD dam recession, and the ID dam surface is recessed from the first plane by an ID dam recession that is not equal to the OD dam recession.