| 摘要 |
PROBLEM TO BE SOLVED: To provide a surface elastic wave element, a biosensor device, and a measuring method using the surface elastic wave element capable of accurate measurement by stirring sufficiently a mixture of solution such as buffer liquid and a detection object, or a liquid detection object even in the case of a micro-amount below several tens ofμl, without applying vibration from the outside of the surface elastic wave element. SOLUTION: This surface elastic wave element for exciting a surface elastic wave of a transversal wave on a substrate and measuring a physical property of the detection object placed on a detection part by a characteristic change of the transversal wave is characterized by being provided with an excitation part for a longitudinal wave on the substrate in order to excite a surface elastic wave of the longitudinal wave on the detection part. COPYRIGHT: (C)2006,JPO&NCIPI
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