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:
Jan. 07, 1997
Filed:
Dec. 13, 1995
Applicant:
Inventor:
Carol R Turgeon, Franklin, MA (US);
Assignee:
Quantum Corporation, Milpitas, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
451314 ; 451 59 ; 451505 ;
Abstract
A method and apparatus for lapping the air bearing surfaces of hard disk head sliders including the steps of installing a lapping plate charged with lapping abrasive onto a lapping contour plate, applying a negative pressure to a cavity of the lapping contour plate communicating with the charged lapping plate to deform the lapping plate into conformance with a contour of the lapping contour plate, applying a lapping force to a slider in contact with the lapping plate, and moving the slider relative to the lapping plate to form an air bearing contour following the contour of the lapping contour plate.