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:
Mar. 18, 2003
Filed:
Jan. 08, 2001
Applicant:
Inventors:
Arlen John Bowen, Rochester, MN (US);
Nathaniel Carl Anderson, Pine Island, MN (US);
Robert Duane Ahmann, Rochester, MN (US);
Assignee:
Pemstar, Inc,, Rochester, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 3/312 ; G01R 3/102 ; G11B 5/455 ; H01F 5/00 ;
U.S. Cl.
CPC ...
G01R 3/312 ; G01R 3/102 ; G11B 5/455 ; H01F 5/00 ;
Abstract
The present invention relates to a head tester for testing heads having a read element and a write element. The tester comprises a substrate on which a read coil is positioned to be sensitive to the write element of the head. A write coil is also formed on the substrate and this coil is positioned such that the read element of the head to be tested is sensitive to the write coil.