Chemistry of inorganic compounds – Selenium or tellurium or compound thereof
Reexamination Certificate
2011-06-28
2011-06-28
Vanoy, Timothy C (Department: 1734)
Chemistry of inorganic compounds
Selenium or tellurium or compound thereof
C423S509000, C423S511000, C977S811000, C977S824000
Reexamination Certificate
active
07968075
ABSTRACT:
A multi-element metal chalcogenide and a method for preparing the same are provided. The multi-element metal chalcogenide includes multiple metal elements. A multi-element metal chalcogenide powder is prepared, and all of the multiple metal elements of the multi-element metal chalcogenide are derived from at least one of simple substance powders of the metal elements and one or more alloy powders mixed in accordance with a mole ratio. A solution phase synthesis of the powder of the multi-element metal chalcogenide is then conducted under normal pressure to prepare the multi-element metal chalcogenide. The multi-element metal chalcogenide can be coated to obtain a film or used to make a target and then bombard the target for sputtering a film. In such a way, a selenization process which is conventional in fabricating the semiconductor solar cell is eliminated, thus improving production yield and efficiency.
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Chung Jun-Wen
Heliohawk Optoelectronics Corp.
Muncy Geissler Olds & Lowe, PLLC
Vanoy Timothy C
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