Methods for forming wraparound electrical contacts on solar cell

Semiconductor device manufacturing: process – Making device or circuit responsive to nonelectrical signal – Responsive to electromagnetic radiation

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136256, 257457, 438 64, 438118, H01L 3118

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056209045

ABSTRACT:
Methods for forming a wraparound electrical contact on a solar cell require minimal labor and result in high device yields at low cost. A decal having a patterned electrically conductive material is disposed on a first surface of the solar cell. The decal may be a liquid-transfer or heat-transfer decal. A portion of the decal is wrapped around at least one edge of the solar cell for contacting a second surface of the solar cell. The decal is processed to remove organic matter and form an ohmic contact.

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