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:
Apr. 13, 2004
Filed:
Apr. 09, 1998
Applicant:
Inventors:
Nicholas Jordache, Eden Prairie, MN (US);
Ronald E. Gerber, Richfield, MN (US);
Ghanim A. Al-Jumaily, Minneapolis, MN (US);
Edward C. Gage, Apple Valley, MN (US);
Lori G. Swanson, Minneapolis, MN (US);
Assignee:
Seagate Technology LLC, Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/700 ;
U.S. Cl.
CPC ...
G11B 1/700 ;
Abstract
An optical head for performing optical data operations relative to a medium includes a slider body and at least one lens. Positioned between the slider body and the lens is an aperture stop for blocking the transmittance of light. The aperture stop includes an opaque layer that circumscribes a transparent region.