Polycrystalline ferroelectric fiber

Stock material or miscellaneous articles – Composite – Of bituminous or tarry residue

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350 9629, 428364, 501 35, 501 37, G02B 102

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049213288

ABSTRACT:
An inorganic, polycrystalline, ferroelectric fiber with a diameter of from about 1 micron to 1 millimeter, a porosity of less than about 40 percent, a density of at least about 60 percent of theoretical density, and a carbonaceous material content of from about 0 to about 5 percent. The fiber consists essentially of grains of which substantially 100 percent are from about 0.01 to about 5.0 microns in size; the ratio of the size of the largest grain in the fiber to the smallest grain in the fiber is no greater than about 10.

REFERENCES:
patent: 4460696 (1984-07-01), Harada et al.
patent: 4504113 (1985-03-01), Baak
patent: 4525026 (1985-06-01), Elion
patent: 4721360 (1988-01-01), Murakami et al.
Hirano et al, "Preparation of Stoichiometric Crystalline Lithium Niobate Fibers by . . . ", J. Am. Ceram. Soc., 72[4], Apr. 1989, pp. 707-709.

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