Method for producing electric contacts on a semiconductor component
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United States of America Patent
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Sep 25, 2012
Grant Date -
Nov 25, 2010
app pub date -
May 17, 2010
filing date -
May 19, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Process for producing strip-shaped and/or point-shaped electrically conducting contacts on a semiconductor component like a solar cell, includes the steps of applying a moist material forming the contacts in a desired striplike and/or point-like arrangement on at least one exterior surface of the semiconductor component; drying the moist material by heating the semiconductor component to a temperature T1 and keeping the semiconductor element at temperature T1 over a time t1; sintering the dried material by heating the semiconductor component to a temperature T2 and keeping the semiconductor component at temperature T2 over a time t2; cooling the semiconductor component to a temperature T3 that is equal or roughly equal to room temperature, and keeping the semiconductor component at temperature T3 over a time T3; cooling the semiconductor component to a temperature T4 with T4≦−35° C. and keeping the semiconductor component at temperature T4 over a time T4; and heating the semiconductor component to room temperature.
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