Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate
2006-12-26
2006-12-26
Vanoy, Timothy C. (Department: 1754)
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
C423S594150, C252S06290R, C117S003000, C117S095000, C117S900000, C427S372200, C427S374100, C427S398100, C427S240000, C427S430100, C204S192100
Reexamination Certificate
active
07153487
ABSTRACT:
Methods and apparatus for preconditioning a lithium niobate or lithium tantalate crystal. At least a portion of a surface of the crystal is covered with a condensed material including one or more active chemicals. The crystal is heated in a non-oxidizing environment above an activating temperature at which the active chemicals contribute to reducing the crystal beneath the covered surface portion. The crystal is cooled from above the activating temperature to below a quenching temperature at which the active chemicals become essentially inactive for reducing the crystal.
REFERENCES:
patent: 3998687 (1976-12-01), Ballman et al.
patent: 4108970 (1978-08-01), Ballman et al.
patent: 4135963 (1979-01-01), Fukuda
patent: 5209917 (1993-05-01), Ohno et al.
patent: 6051062 (2000-04-01), Kawaguchi et al.
patent: 6319430 (2001-11-01), Bordui et al.
patent: 6673330 (2004-01-01), Kitamura et al.
patent: 6932957 (2005-08-01), Miles et al.
patent: 2004/0255842 (2004-12-01), Kajigaya
patent: 2004254.1.14 (2004-09-01), None
patent: 2004269300 (2004-09-01), None
patent: WO/2004/002891 (2004-01-01), None
patent: WO 2004/030046 (2004-04-01), None
patent: WO 2004/030047 (2004-04-01), None
E. Kaldis, “Current Topics In Materials Science”, vol. 1, North Holland Publishing Company, Switzerland, 1978, pp. 481-601.
David A. Dutt et al., “Optical Absorption And Electron Paramagnetic Resonance Studies Of Chemically Reduced Congruent Lithium Niobate”, Journal of Physics and Chemistry Of Solids, vol. 51, No. 5, Jun. 1990, pp. 407-415.
Ajay Dhar et al., “Optical Properties Of Reduced Lithium Niobate Single Crystals”, Journal of Applied Physics, vol. 68, No. 11, Dec. 1990, pp. 5804-5809.
Ajay Dhar et al., “On The Correlation Between Optical And Electrical Properties In Reduced Lithium Niobate Crystals”, Journal of Physics D Applied Physics, vol. 24, Sep. 1991, pp. 1644-1648.
G. Bergmann, “The Electrical Conductivity of LiNbO3”, Nov. 1967, Solid State Communications, vol. 6., 1968, pp. 77-79.
Stephen G. Boyer et al., “Investigation Of The Nb-Rich Phase Boundary Of LiNbO3,Ceramics And Inorganic Crystals For Optics, Electro-Optics, Electro-Optics, And Nonlinear Conversion”, Proceeding SPIE vol. 968, Aug. 1988, pp. 73-80.
A.M. Glass et al., “Optical Index Damage In Electrooptic Crystals”, NBS Special Publication No. 372, Laser Induced Damage In Optical Materials, 1972, pp. 15-26.
Paul J. Jorgensen, “High Temperature Transport Processes In Lithium Niobate”, The Journal of Physics and Chemistry of Solids, vol. 30, No. 11, 1969, pp. 2639-2648.
A.B. Sherman, “Absorption Of Elastic Waves In Reduced LinbO3”, Soviet Physics Solid State, vol. 13, No. 6, Dec. 1971, pp. 1413-1415.
Bor-Uei Chen et al., “Elimination Of Li2O Out-Diffusion Waveguide In LiNbO3LiTaO3”, Applied Physics Letters, vol. 30, Jun. 1977, pp. 570-571.
D.H. Jundt et al., “Composition Dependence Of Lithium Diffusivity In Lithium Niobate At High Temperature”, Journal Of Applied Physics, vol. 72, No. 8, Oct. 1992, pp. 3468-3473.
P.F. Bordui et al., “Chemically Reduced Lithium Niobate Single Crystals: Processing Properties And Improved Surface Acoustic Wave Device Fabrication And Performance”, Journal Of Applied Physics, vol. 85, No. 7, Apr. 1999, pp. 3766-3769.
G. Bergmann, “The Electrical Conductivity of LiNbO3”, Nov. 1967, Solid State Communications, vol. 6., 1968, pp. 77-79.
Rauber, A., “Chemistry and Physics of Lithium Niobate,” Current Topics in Materials Science, E. Kaldis, p. 481-601, (1978).
Sherman, A.B., et al., “Absorption of Elastic Waves in Reduced LiNbO3,” Soviet Phys-Solid State, vol. 13 (No. 6), p. 1413-1415, Dec. 1971.
Jundt Dieter Hans
Kajiyama Maria Claudia Custodio
Spitzer Jason Louis
Crystal Technology, Inc.
Jaffer David H.
Pillsbury Winthrop Shaw & Pittman LLP
Vanoy Timothy C.
LandOfFree
Using condensed chemicals to precondition lithium niobate... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Using condensed chemicals to precondition lithium niobate..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Using condensed chemicals to precondition lithium niobate... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3716026