Method of fabricating integrated optical guides of glass

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United States of America Patent

PATENT NO 5271082
SERIAL NO

07842552

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Abstract

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Refractive index change in a glass substrate, necessary to obtain a guiding region, is obtained by bombarding the substrate surface with an electron beam. An electric field induced by negative charge accumulation is created under the surface, whereby sodium ions present in glass are made to migrate towards the inside of the substrate.

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Patent Owner(s)

  • CSELT-CENTRO STUDI E LABORATORI TELECOMUNICAZIONI S.P.A.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Braglia, Marco Turin, IT 9 66
Cocito, Giuseppe S. Giusto Can.Se (TO 11 91
IT), De Franceschi Roberto Vinovo, IT 1 3

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