Method of fabricating integrated optical devices by means of field-assisted ion exchange
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United States of America Patent
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Dec 14, 1993
Grant Date -
N/A
app pub date -
Apr 2, 1991
filing date -
Apr 19, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Integrated optical devices are fabricated by field-assisted ion exchange on a starting substrate, wherein the substrate is first prepared to be connected to a source of potential difference, is duly masked as a function of the optical circuit to be implemented and is dipped in a melted salt, which is an ion source for the exchange, with another electrode for applying the electric field capable of inducing ion exchange.
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