Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With particular dopant material
Reexamination Certificate
2003-07-10
2008-12-23
Gurley, Lynne (Department: 2811)
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
With particular dopant material
C422S186300, C257SE33018, C438S038000
Reexamination Certificate
active
07468529
ABSTRACT:
A filter for trapping, sterilizing, and decomposing organic matter, bacteria, viruses, and other harmful substances is provided at low cost and extremely high efficiency. A semiconductor material having a light emitting function is formed in the interior or on the surface of a porous ceramic material substrate by deposition from a suspension of semiconductor particles, and an electrode provided to serve as a filter. Voltage is applied so that ultraviolet light is emitted while a fluid is being filtered, and any harmful substances are filtered and simultaneously sterilized and decomposed.
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Kawai Chihiro
Tatsumi Masami
Arena Andrew O.
Gurley Lynne
McDermott Will & Emery LLP
Sumitomo Electric Industries Ltd.
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