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:
Jun. 15, 1993
Filed:
Jun. 10, 1992
Applicant:
Inventors:
Raju S Ananth, San Jose, CA (US);
Michael A Verdone, Hillsborough, CA (US);
Assignee:
Unisys Corporation, Blue Bell, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360103 ; 360102 ;
Abstract
A method of adapting a magnetic recording slider having a shallow 'flying cavity' on its media-confronting face to exhibit 'self-purging', better stability and increased stiffness, this method including: providing a back bar across the trailing face of the cavity, with a purge channel in the back-bar to purge the cavity of gas and associated contaminants.