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Integrated device of a capacitive type for detecting humidity, in particular manufactured using a CMOS technology
Integrated device of a capacitive type for detecting humidity, in particular manufactured using a CMOS technology
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机译:用于检测湿度的电容式集成设备,特别是使用CMOS技术制造的
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摘要
An integrated capacitive-type humidity sensor formed in a semiconductor chip integrating a sensing capacitor and a reference capacitor. Each of the sensing and reference capacitors have at least a first electrode and at least a second electrode, the first and second electrodes of each of the sensing and reference capacitors being arranged at distance and mutually insulated. A hygroscopic layer extends on the sensing and reference capacitors and a conductive shielding region extends on the reference capacitor but not on the sensing capacitor.
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