Title:
積層型ガスセンサ素子、ガスセンサ、及び、積層型ガスセンサ素子の製造方法
Document Type and Number:
Japanese Patent JP6480876
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a laminate type gas sensor element that reduces internal cracking which may be caused when large stress is generated between an electrode and a solid electrolyte during burning of the laminate type gas sensor element and then the solid electrolyte is torn up as the solid electrolyte cannot withstand the stress.SOLUTION: A laminate type gas sensor element 211 formed by laminating a plurality of ceramic plate-like bodies including alumina plate-like bodies consisting principally of alumina comprises a gas detection part including a solid electrolyte cell consisting of a solid electrolyte part 320 consisting principally of zirconia and two electrodes 331, 332 provided on both sides thereof. At least at a part of a frame-shaped outer peripheral edge region along an outer peripheral edge of at least one electrode between the two electrodes, a porous buffer layer 341 or a buffer layer containing a zirconia component more than the alumina plate-like bodies is provided between the one electrode and the solid electrolyte part.SELECTED DRAWING: Figure 3
Inventors:
Ai Igarashi
Masaki Mizutani
Masaki Mizutani
Application Number:
JP2016015089A
Publication Date:
March 13, 2019
Filing Date:
January 29, 2016
Export Citation:
Assignee:
Nippon Special Ceramics Co., Ltd.
International Classes:
G01N27/409
Domestic Patent References:
| JP2010266379A | ||||
| JP11337517A | ||||
| JP11337519A | ||||
| JP2015148503A | ||||
| JP2008157649A | ||||
| JP2015169459A |
Attorney, Agent or Firm:
Meisei International Patent Office
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