| 摘要 |
A gas sensor element having a laminar structure including first and second solid electrolyte layers and a solid electrolyte spacer layer which are laminated on each other, with the spacer layer being interposed between the first and second solid electrolyte layers, the laminar structure having a buffer space, a first space and a second space which are formed between the first and second solid electrolyte layers, the laminar structure further having a gas inlet through which an external measurement gas is introduced into the buffer space, a first diffusion controlling passage through which the external measurement gas is introduced into the buffer space from the gas inlet, a second diffusion controlling passage through which an atmosphere in the buffer space is introduced into the first space, and a third diffusion controlling passage through which an atmosphere in the first space is introduced into the second space.
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