HUMIDITY SENSOR WITH POLYMER MEMBRANE

PURPOSE: A sensor is provided to giving a high reliability in sensing humidity by using impedance characteristics which are changed according to humidity changes in air. CONSTITUTION: A polymeric membrane humidity sensor comprises: a humidity-sensing membrane (1); electrodes(2) for maintaining an el...

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Bibliographische Detailangaben
Hauptverfasser:	LEE, CHIL WON, GONG, MYUNG SUN, LEE, SEUNG JAE, KIM, JONG GYU
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Beschreibung
Zusammenfassung:	PURPOSE: A sensor is provided to giving a high reliability in sensing humidity by using impedance characteristics which are changed according to humidity changes in air. CONSTITUTION: A polymeric membrane humidity sensor comprises: a humidity-sensing membrane (1); electrodes(2) for maintaining an electrical contact with the humidity-sensing membrane(1); and electrode snaps(3) for fixing the electrodes(2); and terminals(4) for connecting the electrodes(2) to external. The humidity-sensing membrane(1) is formed by copolymerization a polymer or an epoxy monomer with monomers having at least one epoxy base.