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:
May. 10, 1994
Filed:
Mar. 08, 1993
Applicant:
Inventors:
Arnd Rogner, Karlsruhe, DE;
Andreas Neyer, Iserlohn, DE;
Assignee:
Microparts Gesellschaft fur Mikrostrukturtechnik mbH, Dortmund, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 14 ; 385 46 ; 385 15 ; 264-14 ; 264-15 ; 264-25 ;
Abstract
A method of manufacturing passive integrated optical devices from polymeric materials, the method comprising providing a step structure at each transition between a fiber alignment structure and the preform for the light waveguide structure, wherein both of these structures are produced simultaneously. Passive integrated optical devices having ridges or trenches with rectangular cross sections and manufactured to this method are also described.