Method and Structure for Fabricating Solar Cells Using a Thick Layer Transfer Process
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Abstract
A photovoltaic cell device, e.g., solar cell, solar panel, and method of manufacture. The device has an optically transparent substrate comprises a first surface and a second surface. A first thickness of material (e.g., semiconductor material, single crystal material) having a first surface region and a second surface region is included. In a preferred embodiment, the surface region is overlying the first surface of the optically transparent substrate. The device has an optical coupling material provided between the first surface region of the thickness of material and the first surface of the optically transparent material.
29 Citations
96 Claims
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1-70. -70. (canceled)
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71. A method of forming a solar cell, the method comprising:
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providing a donor semiconductor substrate having a surface region, a cleave region, and a first thickness of material between the surface region and the cleave region; performing controlled cleaving by applying thermal energy to detach the first thickness of material from the donor semiconductor substrate; bonding the first thickness of material to a handle substrate; and incorporating the first thickness of material bonded to the handle substrate within the solar cell. - View Dependent Claims (72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96)
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Specification