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. 09, 1990
Filed:
Jan. 31, 1989
Applicant:
Inventors:
Assignee:
Sanyo Electric Co., Ltd., Moriguchi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
29603 ; 65 43 ; 360122 ; 360126 ; 360127 ;
Abstract
A magnetic head comprises a main core (41) made of sendust material and a pair of reinforcing cores (45) for holding the main core so that the main core is sandwiched between the pair of reinforcing cores, in which the main core is adhered to the pair of reinforcing cores by glass material through transition metal layers (48) formed on both sides of the main core. The main core is comprised of a pair of core halves (41a, 41b) having their respective transition metal layers formed on their contacting surfaces, the pair of core halves with transition metal layers (25) being adhered to each other by glass material (29).