Gas sensor
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Jun 14, 2016
filing date -
Mar 7, 2016
priority date (Note) -
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Abstract
A gas sensor includes a base, an insulating layer, two sensing electrodes, a heating layer, a gas-sensing material, and an exciting light source. A thru-hole is formed on the base, the insulating layer is disposed on the base to cover the thru-hole, and a portion of the insulating layer corresponding to the thru-hole is defined as an element area. Each sensing electrode disposed on the insulating layer has a sensing segment disposed on the element area and a sensing pad disposed outside the element area. The heating layer disposed on the insulating layer has a heating segment disposed on the element area and two heating pads disposed outside the element area. The gas-sensing material is disposed on the element area and covers the sensing segments and the heating segment. The exciting light source is arranged in the thru-hole and is configured to emit light toward the gas-sensing material.
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