| 摘要 |
A solar battery for a time piece comprises an insulated substrate; a plurality of generating regions arranged in a circular pattern around a single point on the insulated substrate, each region including a non-crystalline semiconductor film, and upper and lower electrodes on opposite sides of the film; and connecting layers for reducing the power loss of the battery, including overlapping side areas at surfaces between adjacent regions and overlapping perimeter areas at surfaces on the perimeter of adjacent regions, for joining the upper and lower electrodes of adjacent regions, respectively.
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