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:
May. 26, 1998
Filed:
Sep. 06, 1996
Applicant:
Inventors:
Yuichi Arai, Yokohama, JP;
Sakae Kobayashi, Fujisawa, JP;
Kohki Noda, Fujisawa, JP;
Kazuya Takeda, Fujisawa, JP;
Hiroshi Umezaki, Fujisawa, JP;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360123 ; 360119 ;
Abstract
A coil encircling the ferrite core of a magnetic head attached to a slider used in a hard disk drive is formed using two mating chips. A first chip having layered wires and bonding bumps is inserted in the winding window between the ferrite core and the body of the slider. A second chip having layered wires, bonding bumps and a groove straddling the ferrite core is disposed outside the winding window and mates with the first chip. Bonding bumps, comprising low-melting solder, are heat bonded to form a continuous coil.