| 摘要 |
A gas sensor including a plate-like gas detecting element which extends in a longitudinal direction and in which a plurality of ceramic layers are stacked and a detecting portion is provided at a leading end side of the gas detecting element, the gas detecting element including: a first ceramic layer; a second ceramic layer; a bottom ceramic layer; a first through-hole conductor; a first connecting layer; a second through-hole conductor; and a second connecting layer, as defined herein.
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