Manufacturing Method of Solar Cell
First Claim
1. A manufacturing method of a solar cell, and the solar cell comprising a wafer, and first and second electrode layers having a different polarity from one another, and the manufacturing method forming a base portion of the two electrode layers on a same side of the wafer by a vapor deposition process, and the two electrode layers having an interval apart.
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Abstract
The present invention discloses a method of manufacturing a solar cell by forming two electrode layers on the same side of a wafer, and avoiding sunlight incident to another side from being blocked by the electrode layers to enhance the photoelectric conversion efficiency, and each electrode layer is formed by using a mask layer to perform a vapor deposition process, without requiring any mask lithography or etching process. Of course, the issue of a high-temperature process that deteriorates the quality of the wafer no longer exists.
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Citations
20 Claims
- 1. A manufacturing method of a solar cell, and the solar cell comprising a wafer, and first and second electrode layers having a different polarity from one another, and the manufacturing method forming a base portion of the two electrode layers on a same side of the wafer by a vapor deposition process, and the two electrode layers having an interval apart.
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10. A manufacturing method of solar cell, and the solar cell comprising a wafer, and the manufacturing method comprising the steps of:
performing a vapor deposition process to a side of the wafer for at least two times to form first and second electrode layers having a different polarity from one another on a same side of the wafer same side, and each vapor deposition process using a mask layer with a plurality of apertures for the vapor deposition process, and each mask layer having an aperture ratio determined by an interval between the first and second electrode layers. - View Dependent Claims (11, 12)
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13. A manufacturing method of a solar cell, comprising the steps of:
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(A) providing a wafer; (B) performing a vapor deposition process to a side of the wafer, wherein the vapor deposition process includes performing a vapor deposition twice to facilitate depositing the first and second electrode layers on the same side of the wafer, and the two electrode layers have an interval apart. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification