Gas sensor with sensing particle receptacles
First Claim
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1. A gas sensor comprising:
- an insulating substrate;
two electrodes formed on the insulating substrate, each electrode defining a plurality of receptacles adjacent a surface thereof; and
a sensing layer containing a plurality of sensing particles, the sensing layer formed on the insulating substrate and the surfaces of the electrodes, a portion of the sensing particles being received in at least one of the receptacles.
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Abstract
A gas sensor (3) includes an insulating substrate (31), two electrodes (33, 35) formed thereon, and a sensing layer (37) formed on the insulating substrate and the electrodes. Each electrode defines a plurality of receptacles (332, 352) adjacent a surface thereof The sensing layer contains a plurality of sensing particles (372). A portion of the sensing particles is received in the receptacles. The sensing particles are physically divided into several connected parts by the receptacles, and accordingly are highly dispersed. Thereby, more spaces among the sensing particles are provided, for improving the sensitivity of the gas sensor.
10 Citations
19 Claims
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1. A gas sensor comprising:
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an insulating substrate;
two electrodes formed on the insulating substrate, each electrode defining a plurality of receptacles adjacent a surface thereof; and
a sensing layer containing a plurality of sensing particles, the sensing layer formed on the insulating substrate and the surfaces of the electrodes, a portion of the sensing particles being received in at least one of the receptacles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A gas sensor comprising:
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an insulating substrate having a plurality of receptacles formed in a surface thereof;
two electrodes formed on the insulating substrate and covering inner surfaces of the receptacles; and
a sensing layer containing a plurality of sensing particles, the sensing layer formed on the insulating substrate and covering surfaces of the electrodes, a portion of the sensing particles being received in at least one of the receptacles. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A gas sensor comprising:
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an insulating substrate;
two electrodes formed on the insulating substrate and cooperating with the insulating substrate to define a plurality of receptacles; and
a sensing layer having a plurality of sensing particles, the sensing layer formed on the insulating substrate and covering at least parts of surfaces of the electrodes at the receptacles, with at least a portion of the sensing particles being received in at least one of the receptacles.
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Specification