Thermophotovoltaic converter and cell for use therein
Patent 4234352 Issued on November 18, 1980. Estimated Expiration Date: 
July 26, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 26, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3331707 3549960 3929510 InventorApplicationNo. 05/928103 filed on 07/26/1978US Classes:136/253, Radioactive, ionic, or thermo photo136/255, Schottky, graded doping, plural junction or special junction geometry136/256, Contact, coating, or surface geometry257/E27.124In a repetitive configuration, e.g. planar multi-junction solar cells (EPO)ExaminersPrimary: Weisstuch, AaronAttorney, Agent or FirmInternational ClassesH01L 27/142 (20060101)H01L 31/04 (20060101) AbstractDisclosed is a thermophotovoltaic converter which includes a parabolic cone radiation concentrator portion and a processor portion including a radiator which absorbs concentrated radiation and generates incandescent radiation. A photovoltaic cell in close proximity to the radiator receives the incandescent radiation and generates an electrical voltage. The cell includes an intrinsic or lightly doped silicon substrate having a top surface for receiving radiation and a bottom surface having a plurality of diffused N and P conductivity regions arranged in rows. A titanium-silver layer overlays the bottom surface and conductively interconnects regions of one conductivity type and provides a reflective surface to photons which pass through the substrate.Other References
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