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. 19, 1985
Filed:
Sep. 22, 1982
Applicant:
Inventors:
Shinji Furuichi, Kumagaya, JP;
Shigetoshi Morita, Saitama, JP;
Shunichi Taka, Kumagaya, JP;
Hirohisa Suwabe, Kumagaya, JP;
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ; H01F / ;
U.S. Cl.
CPC ...
360121 ; 29603 ; 360118 ;
Abstract
A magnetic head assembly comprising a read/write head unit adapted for reading and writing data and provided with a magnetic core 1 having a thin sheet of an Mn-Zn ferrite. The magnetic head assembly also has erase head units bonded to the read/write head unit and adapted to erase the edges of the data, each of the erase head units being provided with a magnetic core 2 having a thin sheet of an Ni-Zn ferrite. The read/write head unit and erase head units are bonded by means of a glass 6.