Patent ID: 8508100
Filing Date: 2013-08-13
Classification: G01N,H03H,Y10T

Abstract:
1. A surface acoustic wave element for analyzing a biological material, comprising: a first substrate comprising a piezoelectric material including a pad portion; a second substrate including another pad portion; at least one connecting portion which electrically connects respective pad portions on the first and second substrates; a first electrode disposed on the first substrate; a second electrode disposed on the first substrate; first and second oxide films disposed on the first and second electrodes; and a receptor disposed on the first substrate on a portion of the substrate between the first electrode and the second electrode, the receptor configured to bind to a target material that contacts the receptor, wherein the first and second electrodes are constructed integrally with a respective pad portion, and wherein the first and second oxide films are disposed on the first and second electrodes excluding an area of the pad portion.