Silver alloy foil for interconnector for solar cell
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United States of America Patent
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-
Jun 11, 1991
Grant Date -
N/A
app pub date -
Mar 23, 1990
filing date -
Mar 24, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a silver alloy foil for an interconnector of a solar cell. The silver alloy contains 10 ppm to 1,000 ppm of calcium; 10 ppm to 750 ppm of at least one element selected from the group consisting of beryllium, lanthanum and indium; balance silver and unavoidable impurities. The alloy is less susceptible to softening even when the solar cell is exposed to temperature cycling. If calcium is further added, the hardness does not decrease even with the passage of time, to thereby exhibit superior characteristics for a prolonged period of time.
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