Single-crystal – oriented-crystal – and epitaxy growth processes; – Processes of growth from solid or gel state – Using heat
Patent
1996-08-30
1998-11-17
Kunemund, Robert
Single-crystal, oriented-crystal, and epitaxy growth processes;
Processes of growth from solid or gel state
Using heat
117 74, 117940, 117 68, C30B 700, C30B 2912
Patent
active
058370544
ABSTRACT:
Crystals formed of a solid-solution of NiSiF.sub.6 6H.sub.2 O provide very good materials for filtering ultraviolet light and will not deteriorate in temperatures as high as 115.degree. C. They are particularly useful in sensing devices which seek to identify the presence of ultraviolet light in the UV missile warning band.
REFERENCES:
"Crystal Structure of the Fluosilicate Hexahydrate of Cobalt, Nickel and Zinc." from Acta Crystallogr. Sect. B (1973), 29 (Pt. 12) pp. 2741-2747 by Ray Siddhartha, 1973.
"Low temperature Optical Absorption of Nickel Fluosilicate Crystals" by M. H. L. Pryce, G. Agnetta, T. Carofano, M. B. Palma-Vittorelli and M. U. Palma, Phil. Mag., 10, 477-496 (1964).
Coffey David W.
Jackovitz John F.
Mazelski Robert
Partlow William D.
Singh Narsingh B.
Defillo Evelyn A.
Kunemund Robert
Northrop Grumman Corporation
Sutcliff Walter G.
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