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Expired Canadian patentCanada

Realization of a thin film solar cell with a detached reflector

CA 1211826 A · Owner: Exxon Research And Engineering Company · Inventors: Deckman, Harry W.; Witzke, Horst; Wronski, Christopher R.

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Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention is an optically enhanced solar cell having a detached reflector. The optically enhanced solar cell includes a semiconductor material bounded on each side by transparent electrical contacts and an optional antireflection coating with the surface of at least one of these layers being textured. Light is reflected in the cell by a reflector which is detached from the enhanced cell using a layer of dielectric material.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted September 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 17, 1983
GrantedSeptember 23, 1986
Term endedSeptember 23, 2003
Patent numberCA 1211826 A
Classification (IPC)H01L31/04 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedNov 17, 1983Patent grantedSep 23, 1986Term endedSep 23, 2003

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.