Method for producing gas sensor element
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United States of America Patent
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Apr 28, 2020
Grant Date -
Nov 15, 2018
app pub date -
May 8, 2018
filing date -
May 9, 2017
priority date (Note) -
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Abstract
A method for producing a gas sensor element (10), the gas sensor element including a diffusive porous layer (113) disposed in a measurement chamber (111) and exposed to the outside and a ceramic insulating layer (115) forming sidewalls of the measurement chamber. The method includes transferring green diffusive porous layer pieces (113x) cut in advance so as to have prescribed dimensions onto a first ceramic green sheet (110x); applying an insulating paste which later becomes the ceramic insulating layer to the first ceramic green sheet; laminating the first ceramic green sheet onto a second ceramic green sheet (120x) to form a ceramic laminate (200x); cutting the ceramic laminate along prescribed cutting lines C to obtain a plurality of gas sensor element pieces 10x; and firing the gas sensor element pieces.
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