Electrical Connector For A Window Pane Of A Vehicle
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United States of America Patent
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Issued Date -
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app pub date -
Jan 2, 2007
filing date -
Nov 12, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A window pane has a substrate formed from glass and includes an electrical device. The electrical device includes an electrical conductor and an electrical connector. A layer of solderable metal is bonded to the connector. A layer of solder is bonded to the layer of solderable metal and the conductor, with the connector and the conductor in electrical communication through the layer of solderable metal and the layer of solder. The substrate has a first coefficient of expansion and the connector has a second coefficient of thermal expansion. A difference between the first and second coefficients of thermal expansion is equal to or less than 5.times.10.sup.-6/.degree. C. for minimizing mechanical stress between the connector and the substrate due to thermal expansion of the connector and the substrate resulting from changes in temperature. The solder is comprised of less than 70 parts by weight of Sn along with a greater than 30 parts by weight of a reaction rate modifier. The reaction rate modifier increases the solderability of the solder to the conductor.
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