Forsterite single crystal and method for the manufacture of the

Details Forsterite single crystal and method for the manufacture of the Forsterite single crystal and method for the manufacture of the

1991-08-27

1992-12-29

Chaudhuri, Olik

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

1566181, 156DIG71, 156DIG73, 156DIG80, 156DIG89, C30B 1500

Patent

active

051748533

ABSTRACT:
In a method for manufacturing forsterite single crystals containing tetravalent chromium as luminescent ions, the method which comprises the use of chromium dioxide or comprises the use of a sintered body obtained either by sintering in a non-reducing atmosphere chromium trioxide or a mixture of at least 30 wt. % of chromium trioxide with up to 70 wt. % of dichromium trioxide, together with other oxide materials for forsterite, or by firing in an oxidizing atmosphere a mixture of more than 70 wt. % of dichromium trioxide with less than 30 wt. % of chromium trioxide, together with other oxide materials for forsterite. This invention also relates to forsterite single crystals obtained by each of the above methods.

REFERENCES:
patent: 4824598 (1989-04-01), Stokowski
patent: 4932031 (1990-06-01), Alfano et al.
"Laser Action in Chromium-doped Forsterite"; Petricevic et al.; Electronic Materials Research Laboratory, Mitsui Mining & Smelting Co., Ltd.; Appl Phy Lett (52) 13, Mar. 28, 1988 pp. 1040-1042.
Applied Physics Letters, vol. 53, No. 26, Dec. 26, 1988, New York, US, pp. 2590-2592, Petricevic et al.; Laser Action in Chromium-Activated Forsterite . . . .
Soviet Physics Doklady, vol. 35, No. 1, Dec. 1988, New York, US, pp. 75-77; Denker et al.; Pleochroism and Polarized Luminescence . . . .
Japanese Journal of Applied Physics, vol. 28, No. 10, Oct. 1989, Tokyo, JP, pp. 1833-1835; Sugimoto et al.; Flash Lamp Pumped . . . .
Patent Abstracts of Japan, vol. 14, No. 470 (C-0769) Oct. 15, 1990, & JP-A-02 192 493 (Mitsui Mining & Smelting Co. Ltd.) Jul. 30, 1990.

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