| 摘要 |
PURPOSE:To improve pressure resistant characteristic by previously covering the periphery of through hole with an insulating sealing material before fuse-bonding a filler and by fuse-bonding the sealing material together with the filler. CONSTITUTION:Reinforced glass used as the transparent cover glass 1, PVB sheets used as the fillers 2 and 2-1, a solar battery cell 3 consisting of silicon crystals connected in series and the sheet having the PVF in both sides sandwiching the intermediate aluminum foil 6 used as the rear surface material 4 are respectively set. A slit is provided at the PVB 2-1 where the lead wire passes and thereby the rear surface material 4 is opened largely. An insulating sealing material 20 is provided under the rear surface material 4. Next, such element is set to a rubber pack coupled to a vacuum pump and is then put into an autoclave. Here, pressure is increased during exhaustion to vacuum condition. A super straight structure is formed under a temperature and pressure in the autoclave. This method effectively improves drastically the pressure resistant characteristic of solar battery structure. |
