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:
Apr. 17, 1990
Filed:
Jan. 19, 1988
Applicant:
Inventors:
Michael P Chouinard, Wilmington, DE (US);
Edward P Gargiulo, Wilmington, DE (US);
James L Hohman, Jr, Wilmington, DE (US);
Daniel B Laubacher, Wilmington, DE (US);
Jiunn-Yau Liou, Wilmington, DE (US);
Moshe Oren, Wilmington, DE (US);
Assignee:
E. I. DuPont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9614 ; 350 9617 ; 350 9620 ; 350 9623 ;
Abstract
An electro-optic waveguide structure having a single mode channeled waveguide pattern of the Mach-Zehnder configuration is formed in a substrate of potassium titanyl phosphate.