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:
Feb. 17, 1981
Filed:
Jan. 08, 1979
Applicant:
Inventors:
Hidetsugu Kawabata, Hirakata, JP;
Yuji Nagata, Osaka, JP;
Keizo Ishiwatari, Kobe, JP;
Toshio Shimizu, Nara, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
148121 ; 29603 ; 148-6 ; 148122 ; 427127 ; 427252 ; 4273839 ;
Abstract
A magnetic head having a high wear resistance and high workability such as by grinding, and a method for manufacturing the same. According to this method, at least a portion of that surface of the core forming the magnetic head or shielding case, which is to be brought into contact with a magnetic recording medium, is subjected to a boronizing treatment to form a boronized layer.
Quick Actions:
Kawabata, Hidetsugu. (1981). Method for manufacturing magnetic head using boronizing treatment (U.S. Patent No. 4251297). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4251297
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile