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:
Jul. 14, 1981
Filed:
May. 17, 1979
Applicant:
Inventor:
Takeo Tada, Urawa, JP;
Assignee:
TDK Electronics Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
252 6254 ; 252 6253 ; 252 6263 ;
Abstract
Procedure for pulverizing ferrite particles for use in the production of flexible magnets utilizing alcohols containing up to 4 carbon atoms and having a boiling point up to 100.degree. C. as a pulverization promoter, annealing at an elevated temperature, and dispersing in a flexible, nonmagnetic matrix.