PHOTOVOLTAIC APPARATUS
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United States of America Patent
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Issued Date -
Sep 29, 2016
app pub date -
Nov 19, 2013
filing date -
Nov 19, 2013
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Abstract
A photovoltaic apparatus 10 includes: a plurality of photovoltaic elements 11 having transparent conductive oxide layers 18, 19 and generating electrical power by light irradiation; and power collecting members provided on the front and back of each of the photovoltaic elements 11, wherein the power collecting members on the front sides are provided with finger electrodes 27 and a plurality of metallic conductor wires 28, the finger electrodes 27 formed on top of the transparent conductive oxide layers 18 in parallel by gravure offset printing, the thickness of the finger electrodes 27 formed to be 5 μm or less, the metallic conductor wires 28 orthogonally joined to the finger electrodes 27, and wherein the metallic conductor wires 28 are extended further in one direction and joined to one of the power collecting members provided on the back sides of the adjoining photovoltaic elements 11 to be connected in series.
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