Semiconductor gas sensor having additional functionalities of the signal-generating electrode
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United States of America Patent
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Apr 23, 2013
Grant Date -
Aug 5, 2010
app pub date -
May 16, 2008
filing date -
Jun 25, 2007
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Abstract
In a method for operating a semiconductor gas sensor, the gas sensor including at least one gas-sensitive electrode, the method may provide for impression of a voltage sequence on the gas-sensitive electrode. The operation may take place in a measuring cycle which is subdivided into at least one initialization phase and at least one subsequent measuring phase, a first voltage sequence being impressed on the gas-sensitive electrode during the initialization phase, a second voltage sequence being impressed on the gas-sensitive electrode during the measuring phase, and the first voltage sequence differing from the second voltage sequence. A semiconductor gas sensor may be provided for implementing the method according to the invention, and a method may relate to the use of such a sensor.
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