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Thin film solar cell with ceramic handling layer




Title: Thin film solar cell with ceramic handling layer.
Abstract: A solar cell may comprise a stack of thin continuous epitaxial single crystal solar cell layers on a single crystal wafer, and a handling layer on the stack, the handling layer having a waffle-shaped structure with an array of either square or circular apertures, wherein the handling layer includes electrical contacts to the stack. The solar cell may comprise a boundary layer between the stack and the handling layer, the boundary layer being attached to both the stack and the handling layer, and the boundary layer being greater than 10 nanometers thick and parallel to the layers in the stack. The waffle-shaped structure may include perpendicular sets of first and second parallel ridges, wherein at least one of the sets is aligned at a small angle to a cleavage plane of the single crystal wafer. ...


USPTO Applicaton #: #20140014172
Inventors: Ananda H. Kumar, Tirunelveli S. Ravi, Vidyut Gopal


The Patent Description & Claims data below is from USPTO Patent Application 20140014172, Thin film solar cell with ceramic handling layer.




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stats Patent Info
Application #
US 20140014172 A1
Publish Date
01/16/2014
Document #
13936959
File Date
07/08/2013
USPTO Class
136256
Other USPTO Classes
International Class
01L31/0216
Drawings
31


Wafer

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Batteries: Thermoelectric And Photoelectric   Photoelectric   Cells   Contact, Coating, Or Surface Geometry  

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20140116|20140014172|thin film solar cell with ceramic handling layer|A solar cell may comprise a stack of thin continuous epitaxial single crystal solar cell layers on a single crystal wafer, and a handling layer on the stack, the handling layer having a waffle-shaped structure with an array of either square or circular apertures, wherein the handling layer includes electrical |
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