| 摘要 |
PROBLEM TO BE SOLVED: To prevent the infiltration of rainwater into the voids of the rear of a solar cell by fixing the solar cell into an indentation bored to the surface of a base material in a watertight manner through a water-resistant cushioning material layer selected from a waterproof packing installed only to the peripheral section of the solar cell in a striped shape, elastic adhesives, flame-retardant adhesives and a caulking material. SOLUTION: The solar cell 12 is disposed into an indentation 11a bored to the surface of a roofing-tile base material 11 and the solar cell 12 is fixed into the indentation 11a in a watertight manner through a water-resistant cushioning material layer selected from the group of a waterproof packing mounted only at the peripheral section of the solar cell 12 in a striped shape, elastic adhesives, flame-retardant adhesives and a caulking material. When the waterproof packing 41 having a fixed shape and a flame-retardant double adhesive tape, etc., are used as a water-resistant cushioning material, a void section 4 at a proper interval is formed among each side edge of the solar cell 12 and the side edges of the indentation in the indentation 11a of the surface of the roofing-tile base material 11, and sections only along each side edge of the rear of the solar cell 12 are bonded and fixed through the waterproof packing 41 or the flame-retardant double adhesive tape in a strip continuously without slits. |
