Fabrication of ferroelectric domain reversals

Details Fabrication of ferroelectric domain reversals Fabrication of ferroelectric domain reversals

1993-04-09

1995-03-07

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415741, 20415715, C01B 3300

Patent

active

053954955

ABSTRACT:
The fabrication method for ferroelectric domain reversals wherein domain reversals are definitely produced in the vicinity of the surface of a ferroelectric by radiating a charged particle beam onto the ferroelectric. An SiO.sub.2 film 2 whose electrical resistance is higher than that of LiNbO.sub.3 is deposited on the surface of a substrate which is exposed to an electron beam, thereby fabricating domain reversals which extend along the direction an electron beam radiation.

REFERENCES:
patent: 5036220 (1991-07-01), Byer et al.
Optics Letter, vol. 16, No. 15, Aug. 1, 1991 "Milliwatt-order blue-light generation in a periodically domain-inverted LiTaO.sub.3 waveguide" pp. 1156-1158, by K. Yamamoto et al.
Electronics Letters, vol. 27, No. 14, Jul. 4, 1991 "Fabrication of periodic domain grating in LiNbO.sub.3 by electron beam writing for application of nonlinear optical processes" pp. 1221-1222, by H. Ito et al.
"Interactions Between Light Waves in a Nonlinear Dielectric", Physics Review, J. A. Armstrong et al., vol. 127, No. 6, 1962, pp. 1918-1939.

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