Method of fabricating integrated optical devices by means of fie

Details Method of fabricating integrated optical devices by means of fie Method of fabricating integrated optical devices by means of fie

1991-04-02

1993-12-14

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041801, 2041822, 65 314, 65 3013, 65 3014, C25F 100

Patent

active

052698882

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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Neuman et al., Ion-exchanged optical waveguides, Mar. 1980, pp. 19-30.
Electronic Letters; vol. 23, No. 22, Oct. 22, 1987, Enage, GB, pp. 1188-1190, B. G. Pantchev: "One-step field-assisted ion exchange for . . . ".
Glastech Ber. 62 (1989), No. 8; pp. 285-297; L. Ross: "Integrated optical components in substrate glasses".
Optics Communications; vol. 60, No. 6, Dec. 15, 1986, pp. 373-375; Bl. Pantchev: `Multimode strip waveguide formed by ion-exchange . . . `.
Appl. No. 59-92598; Nihon Ita Glass K.K.; JP-A-60-237405; Manufacture of Optical Element by Ion Exchange.

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