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:
Jun. 12, 1984
Filed:
Jul. 22, 1982
Applicant:
Inventors:
Dieter Mateika, Ellerbek, DE;
Rolf Laurien, Pinneberg, DE;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; C04B / ;
U.S. Cl.
CPC ...
428692 ; 156D / ; 252 6257 ; 365 33 ; 428693 ; 428700 ; 428900 ;
Abstract
Magnetic device having a monocrystalline substrate bearing a magnetic layer, said substrate having a composition on the basis of rare earth metal gallium garnet of the general formula ##STR1## wherein A=gadolinium and/or samarium and/or neodym and/or yttrium