Method for finding disconnection of conductive wires formed on plate glass and apparatus therefor
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United States of America Patent
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Feb 19, 2008
Grant Date -
Jul 1, 2004
app pub date -
Jul 22, 2003
filing date -
Jan 24, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method for finding disconnection of a conductive wire formed on a plate glass. This method includes the steps of (a) applying a voltage to the conductive wire; and (b) imaging thermal radiation from a surface of the conductive wire by an infrared image sensor, while the step (a) is conducted, thereby producing a temperature distribution image. An apparatus for conducting the method includes (a) a power source for applying a voltage to the conductive wire; and (b) an infrared image sensor for imaging thermal radiation from a surface of the conductive wire, thereby producing a temperature distribution image.
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