Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yukio Kawashima0
Date of Patent
February 24, 2009
Patent Application Number
10778203
Date Filed
February 17, 2004
Patent Primary Examiner
Patent abstract
In manufacturing a multilayered gas sensor element which includes a sensor cell for measuring a specific gas concentration in a measured gas, a main body portion including a plurality of laminated ceramic substrates, and a plate heater portion generating heat in response to supply of electric power, which are integrally laminated in a predetermined order, a multilayered body of green sheets forming the main body portion and the heater portion is sintered into a multilayered gas sensor element, and then at least both side surfaces of the multilayered gas sensor element extending in a longitudinal direction are processed by grinding, so as to remove surface defects.
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