C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
117/64, 88/97.2
C03C 21/00 (2006.01) C03C 3/32 (2006.01) C03C 13/04 (2006.01) G02B 6/10 (2006.01)
Patent
CA 1267575
Abstract A method of fabricating optical waveguides for the mid-infrared spectrum, consisting of masking the surfaces of a suitable substrate to expose only those regions where the optical guide is to be fabricated, and immersing the masked substrate into a fused salt of a doping compound consisting of a cation bonded to a fluoride, at high temperature, to permit doping of the substrate. Ionic exchange in remaining regions of the substrate is prevented. An electric field may be applied to accelerate the doping process.
547304
de Bernardi Carlo
Modone Eros
Cselt - Centro Studi E. Laboratori Telecommunicazioni S.p.a.
Ridout & Maybee Llp
LandOfFree
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