Single-crystal – oriented-crystal – and epitaxy growth processes; – Processes of growth from liquid or supercritical state – Having growth from a solution comprising a solvent which is...
Reexamination Certificate
2005-08-16
2005-08-16
Kunemund, Robert (Department: 1765)
Single-crystal, oriented-crystal, and epitaxy growth processes;
Processes of growth from liquid or supercritical state
Having growth from a solution comprising a solvent which is...
C117S069000, C117S070000, C117S902000, C117S948000
Reexamination Certificate
active
06929693
ABSTRACT:
The invention relates to a tetragonal single crystal (1, 11) of composition:in-line-formulae description="In-line Formulae" end="lead"?Z(H,D)2MO4in-line-formulae description="In-line Formulae" end="tail"?where Z is an element or a group of elements, or a mixture of elements and/or of groups of elements chosen from the group K, N(H,D)4, Rb, Ce where M is an element chosen from the group P, As and where (H,D) is hydrogen and/or deuterium comprising an approximately parallelepipedal region of large dimensions, especially one in which the length of each of the edges of the faces, AC1, AC2, AC3, is greater than or equal to 200 mm, in particular greater than or equal to 500 mm, which crystal is obtained by crystal growth from solution, from an approximately parallelepipedal single-crystal seed (2, 22) whose edges of the faces have lengths of AG1, AG2, AG3.
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NP Zaitseva et al.: “Rapid growth of large-scale (40-55 cm) K2PO4 crystals” Journal of Crystal Growth, vol. 180, no. 2, pp. 255-262.
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Kunemund Robert
Saint-Gobain Cristaux & Detecteurs
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