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. 25, 1994
Filed:
Aug. 25, 1992
Applicant:
Inventors:
Christoph Buchal, Julich, DE;
Wolfgang Sohler, Paderborn, DE;
Assignee:
Forschungszentrum Julich GmbH, Julich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385132 ; 385130 ; 385141 ;
Abstract
An optical electronic component, in which strip waveguides of limited depth and lateral width are formed in undoped dielectric substrate, e.g. an undoped crystal, by implantation of rare-earth ions or ions of transition metals, preferably laser-active ions with energies of 50 keV to 10 MeV.