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. 16, 1990
Filed:
Mar. 03, 1987
Applicant:
Inventors:
Peter Hansen, Appen, DE;
Claus-Peter Klages, Hamburg, DE;
Klaus-Peter Schmidt, Quickborn, DE;
Wolfgang F Tolksdorf, Tornesch, DE;
Klaus Witter, Hamburg, DE;
Assignee:
U.S. Philips Corp., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ; G02B / ;
U.S. Cl.
CPC ...
350377 ; 350355 ;
Abstract
A magneto-optical light switching element comprising islands which are formed from an epitaxial layer on the basis of bismuth-substituted rare earth metal iron garnet, which layer is provided on a nonmagnetic, optically transparent garnet substrate, integrated heating resistors being provided on the islands which are surrounded by a coil, the substrate being (100)-oriented and the coil being constructed as an integrated coil.