Patents Assigned to SIP-Societa Italiana Per L'Esercizio Telecommunicazione P.A.
  • Method of fabricating fluoride-glass integrated optical waveguides
    Patent number: 4923496
    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.
    Type: Grant
    Filed: June 2, 1989
    Date of Patent: May 8, 1990
    Assignees: Societa' Cavi Pierelli S.p.A., Sirti S.p.A., SIP-Societa Italiana Per L'Esercizio Telecommunicazione P.A.
    Inventor: Marco Braglia