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US 2014/0196783 A1Published application
Solar cell, solar cell module, and method for producing solar cell
AssigneeSanyo Electric Co., Ltd.
InventorSatoshi TOHODA
Life of this patent
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Abstract
A solar cell includes bus bar portions and finger portions . Each of the finger portions has a first end portion that extends in a longitudinal direction of the finger portion, and a second end portion that is connected to the bus bar portion. The first end portion has a triangular cross section, and the second end portion has a trapezoidal cross section.
Claims12
A solar cell, comprising a bus bar portion and a finger portion, wherein
- the finger portion comprises an first end portion that extends in a longitudinal direction of the finger portion and a second end portion that is connected to the bus bar portion,
- the first end portion has a triangular cross section, and
- the second end portion has a trapezoidal cross section.
A method for producing a solar cell, the solar cell comprising a bus bar portion and a finger portion, wherein
- the bus bar portion and the finger portion are formed by a screen printing method;
- and
- a first end portion of the finger portion that extends in a longitudinal direction of the finger portion is formed using a triangular cross section formation condition region in the screen printing method.
Dependencies are inferred from the claim text.