Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1993-10-04
1996-09-24
Kiliman, Leszek
Stock material or miscellaneous articles
Composite
Of inorganic material
428694R, 428694XS, 428694MM, 428694T, 428694GT, 428694TM, 428694TR, 428900, G11B 566, B32B 900
Patent
active
055589464
ABSTRACT:
The improved multilayered thin ferroelectric film includes a substrate, a first polycrystalline ferroelectric layer that is formed on the substrate, that has high density and a refractive index of the single-crystal grade but whose surface is not optically smooth, and a second polycrystalline ferroelectric layer that is formed on the first polycrystalline ferroelectric layer, that has a comparatively low density, that has a lower refractive index than the single crystal but which has an optically smooth surface.
REFERENCES:
Nashimoto et al., Material letters, 10(7,8): 348-354 (1981).
Mantese et al., "Metalorganic Deposition (MOD): A Nonvacuum, Spin-On, Liquid-Based, Thin Film Method," MRS Bulletin/October 1989, pp. 48-53.
Nicolas J. Phillips et al., "Sol-gel-derived lead titanate films", Journal of Non-Crystalline Solids, 147 & 148 (1992) 258-290.
I. Strawbridge et al., "The Factors Affecting the Thickness of Sol-Gel Dervied Silica Coatings Prepared by Dipping," Journal of Non-Crystalline Solids 86 (1986), pp. 381-393, Amsterdam.
"Epitaxial LiNbO.sub.3 thin films prepared by a sol-gel process", Keiichi Nashimoto et. al., Materials Letters, 10(7,8):348-354 (1991).
Fuji 'Xerox Co., Ltd.
Kiliman Leszek
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