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Tubular solar cell devices

  • US 3,976,508 A
  • Filed: 11/01/1974
  • Issued: 08/24/1976
  • Est. Priority Date: 11/01/1974
  • Status: Expired due to Term
First Claim
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1. A solar cell unit comprising a tubular semiconductor body having an outer radiation-receiving region of a first conductivity type and an inner region of a second opposite conductivity type separated by a P-N or N-P junction, and electrically conductive contacts for coupling said outer and inner regions to an external circuit.

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