Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides
Reexamination Certificate
2007-09-04
2007-09-04
Sample, David (Department: 1755)
Compositions
Inorganic luminescent compositions
Compositions containing halogen; e.g., halides and oxyhalides
C423S326000, C501S086000, C117S013000, C117S014000, C117S926000, C250S36100C
Reexamination Certificate
active
10898209
ABSTRACT:
When produced as a single crystal ingot, a rare earth silicate single crystal1can be formed by cutting out from the single crystal ingot. The single crystal1has a crystal face F100whose Miller indices can be determined by X-ray diffraction. The crystal face F100is composed of a plurality of smooth partial region surfaces (for example, the partial region surface f100A and partial region surface f100B), the plurality of partial region surfaces each have an area detectable by X-ray diffraction, and the angles θ formed between the normal vectors of the plurality of partial region surfaces satisfy the following inequality:in-line-formulae description="In-line Formulae" end="lead"?0.1°≦θ≦2.0°. (1)in-line-formulae description="In-line Formulae" end="tail"?
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Gunji Akihiro
Ishibashi Hiroyuki
Kamada Mitsushi
Kurashige Kazuhisa
Shimura Naoaki
Griffin & Szipl, P.C.
Hitachi Chemical Co. Ltd.
Sample David
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