Method for forming solar cells contacts and interconnecting solar cells
CA 2087706 A1 · Owner: Borenstein, Jeffrey T. · Inventors: Gonsiorawski, Ronald C.; Borenstein, Jeffrey T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Photovoltaic cells with silver-rich thick film electrical contacts (28) having superior thermal aging properties are disclosed. The silver-rich contacts are formed by firing a silver ink or paste wherein substantially all of the silver in the ink or paste before firing is in the form of spherical particles. Preferably inter-cell connections to the contacts are accomplished using a tin and silver solder paste comprising between about 96 % tin/4 % silver and 98 % tin/2 % silver. Solar cells having contacts (28) incorporating the present invention exhibit the capability of withstanding temperatures in the range of 150 ·C with little or no thermal degradation of contact peel strength in the …
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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
- Filed April 30, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.