Co-fired oxygen sensor elements
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United States of America Patent
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Jan 27, 2004
Grant Date -
Dec 18, 2003
app pub date -
Jun 13, 2002
filing date -
Jun 13, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed herein is a method for producing a gas sensor, comprising disposing a reference electrode on a side of an electrolyte, disposing a measuring electrode on a side of the electrolyte opposite the reference electrode, disposing a first protective coating on a side of the measuring electrode opposite the electrolyte, treating the sensor with an aqueous salt solution comprising chloride and carbonate salts comprising elements selected from the group consisting of Group IA and IIA elements of the Periodic Table to form a treated sensor comprising the chloride and the carbonate salt mixture, drying the treated sensor, and disposing a second protective coating on a side of the first protective coating opposite the measuring electrode.
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