Gas sensor

Details Gas sensor Gas sensor

2007-07-17

2010-10-12

Nguyen, Nam X (Department: 1795)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S428000, C204S429000, C204S424000, C073S023310

Reexamination Certificate

active

07811434

ABSTRACT:
A gas sensor including a gas detecting element extending in a longitudinal direction and in which a plurality of ceramic layers are stacked, and wherein 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 first through-hole conductor; a first peripheral portion; a second through-hole conductor; a second peripheral portion; and an opening all as defined herein, wherein the first peripheral portion and the second peripheral portion respectively have mutually overlapping adhered portions and separated portions opposing one another through a gap continuing to the opening, and a relationship L1>S1is satisfied, where L1represents a maximum length of the adhered portion, and S1represents a maximum length of the separated portion.

REFERENCES:
patent: 4765880 (1988-08-01), Hayakawa et al.
patent: 5238551 (1993-08-01), Katsu et al.
patent: 61-134655 (1986-06-01), None
patent: 2001-242129 (2001-09-01), None
patent: 2001-311714 (2001-11-01), None
patent: 2002-107335 (2002-04-01), None
Human translation of JP61134655, 1986.
Merriam-Webster Online Dictionary.

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