US 2009/0013761 A1 · GAS SENSOR

Abstract

A gas sensor is provided. The gas sensor includes a post, an ion conductive layer, a first sensing portion and a second sensing portion. The post includes a first end, a second end, a side surface and a groove, wherein the groove is formed on the side surface of the post, and an opening is formed on the first end connecting with the groove. The ion conductive layer is formed on the side surface of the post, including a first surface and a second surface, wherein the first surface is opposite to the second surface, and the ion conductive layer and the groove compose a chamber. The first sensing portion is formed on the first surface. The second sensing portion is formed on the second surface corresponding to the first sensing portion, wherein the first sensing portion is located in the chamber.

Claims20

Dependent claims

A gas sensor, comprising

a post, comprising a first end, a second end, a side surface and a groove, wherein the groove is formed on the side surface of the post, and an opening is formed on the first end connecting with the groove;
an ion conductive layer, formed on the side surface of the post, comprising a first surface and a second surface, wherein the first surface is opposite to the second surface, and the ion conductive layer and the groove compose a chamber;
a first sensing portion, formed on the first surface;
and
a second sensing portion, formed on the second surface corresponding to the first sensing portion, wherein the first sensing portion is located in the chamber.

2 more elements

Dependencies are inferred from the claim text.

Gas sensor

Life of this patent

Gas sensor

Life of this patent

Abstract

Claims20