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:
Dec. 23, 2003
Filed:
Feb. 28, 2001
Applicant:
Inventor:
Hiromichi Takami, Ome, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/54 ;
U.S. Cl.
CPC ...
G11B 5/54 ;
Abstract
Disclosed is a magnetic recording/reading apparatus comprising a ramp formed of a material having at least 30% of a tensile elongation as defined by ASTM D638. The distance c, which is defined as the length between a ramp and a tab measured at the point a/3 apart from the contact portion, a being the contact width of the ramp and the tab, is 0.0015a, or at least 0.015 &mgr;m where a is 10 to 50 &mgr;m.