发明授权
- 专利标题: Oxygen concentration detecting device and method for fabricating the same
- 专利标题(中): 氧浓度检测装置及其制造方法
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申请号: US797652申请日: 1997-01-31
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公开(公告)号: US5766434A公开(公告)日: 1998-06-16
- 发明人: Namitsugu Fujii , Hiromi Sano , Yasumichi Hotta , Naoto Miwa , Motoaki Satou
- 申请人: Namitsugu Fujii , Hiromi Sano , Yasumichi Hotta , Naoto Miwa , Motoaki Satou
- 申请人地址: JPX Kariya
- 专利权人: Denso Corporation
- 当前专利权人: Denso Corporation
- 当前专利权人地址: JPX Kariya
- 优先权: JPX8-039012 19960131; JPX8-342633 19961205
- 主分类号: G01N27/407
- IPC分类号: G01N27/407 ; G01N27/26
摘要:
An oxygen concentration detecting device comprises a solid electrolyte body, inner and outer electrodes formed on the opposite sides of the solid electrolyte body, and a protective layer formed on the outer electrode and comprised of coarse particles and fine particles mutually bonded through an inorganic binder while substantially keeping the original forms of the both types of particles. A ratio of an average particle size, RB, of the coarse particles to an average particle size, RA, of the fine particles of 30:1 or above, and a content, WA, of the fine particles in the protective layer based on the total content, W, of the content, WA, of the fine particles and the content, WB, of the coarse particles on the weight basis is in the range of 15 to 80 %. A method for fabricating the detecting device having such a protective layer as set out above is also described.
公开/授权文献
- US5153414A Spider bracket 公开/授权日:1992-10-06