Fishing – trapping – and vermin destroying
Patent
1994-07-06
1995-09-12
Weisstuch, Aaron
Fishing, trapping, and vermin destroying
437225, 437249, 437180, H01L 3118
Patent
active
054496268
ABSTRACT:
A solar cell (10) with at least one semiconductor substrate surface (12) is proposed, having elevated areas (24, 26, 28) on which are provided electrically conducting contacts (20) for conducting charge carriers, and which are covered at least between the electrically conducting contacts by a passivation material (16). In order to manufacture solar cells with high efficiency using simple technology, the semiconductor substrate surface is completely or largely completely covered by the passivation material after formation of the elevated areas. Passivation material and if necessary semiconductor material present on the elevated areas is then removed from them. The material forming the electrically conducting contacts is then disposed on areas of the elevations thereby exposed.
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