Method and apparatus for increasing bulk conductivity of a...

Details Method and apparatus for increasing bulk conductivity of a... Method and apparatus for increasing bulk conductivity of a...

2005-08-23

2005-08-23

Bos, Steven (Department: 1754)

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

Reexamination Certificate

active

06932957

ABSTRACT:
In one embodiment, a ferroelectric material is processed by placing the material in an environment including metal vapor and heating the material to a temperature below the Curie temperature of the material. This allows the bulk conductivity of the ferroelectric material to be increased without substantially degrading its ferroelectric domain properties. In one embodiment, the ferroelectric material comprises lithium tantalate and the metal vapor comprises zinc.

REFERENCES:
patent: 6319430 (2001-11-01), Bordui et al.
patent: 2170028 (2002-07-01), None
patent: 408075941 (1996-03-01), None
patent: WO 2004/030046 (2004-04-01), None
patent: WO 2004030047 (2004-04-01), None
International Search Report for PCT/US03/17015 mailed Aug. 18, 2002; total of 2 sheets.
P.F. Bordui, et al. “Chemically-Reduced Lithium Niobate Single Crystals: Processing, Properties and Improved SAW Device Fabrication and Performance”; pp. 1-17; Cyrstal Technology, Inc. Palo Alto, CA; Anderson Laboratories, Bloomfield, CT., USA.

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