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. 08, 1990
Filed:
Jun. 02, 1989
Applicant:
Inventor:
Marco Braglia, Turin, IT;
Assignees:
Societa' Cavi Pierelli S.p.A., Milan, IT;
Sirti S.p.A., Milan, IT;
SIP-Societa Italiana Per L'Esercizio Telecommunicazione P.A., Turin, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ;
U.S. Cl.
CPC ...
65 3013 ; 65 301 ; 65 3014 ; 65DI / ;
Abstract
Integrated optical guides are fabricated on fluoride glass plates by expog such plates to an atmosphere of a gaseous halogen other than fluorine, or of a compound capable of generating such a halogen, at high temperature and pressure, so as to obtain a ion exchange between fluoride ions in the glass and halide ions.