FRONT CONTACT SOLAR CELL MANUFACTURE USING METAL PASTE METALLIZATION

Embodiments of the invention contemplate the formation of a high efficiency solar cell using novel methods to form metal contact structures of the solar cell device. In one embodiment, a solar cell device includes a substrate comprising a doped semiconductor material, a surface formed on the substra...

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Bibliographische Detailangaben
Hauptverfasser:	GAY CHARLES F, GEE JAMES M
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SEMICONDUCTOR DEVICES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	Embodiments of the invention contemplate the formation of a high efficiency solar cell using novel methods to form metal contact structures of the solar cell device. In one embodiment, a solar cell device includes a substrate comprising a doped semiconductor material, a surface formed on the substrate having a second doped semiconductor layer having a conductivity type opposite to the first doped semiconductor material, a dielectric layer disposed on the surface of the substrate, a metal contact structure formed in the dielectric layer with a first predetermined cross sectional area, and a metal line formed on the metal contact structure with a second predetermined cross sectional area, wherein the second predetermined cross sectional area is larger than the first predetermined cross sectional area.