Sensor based on surface components with capacitative...

Measuring and testing – Gas analysis – By vibration

Reexamination Certificate

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C073S024060

Reexamination Certificate

active

07111495

ABSTRACT:
In a sensor on the basis of surface wave components disposed in a housing with at least one surface wave component, a fluid channel and conductors for high frequency signals, the conductors are connected to coupling capacitors with capacitive coupling surface areas which are arranged opposite each other on the housing and the surface wave equipment and closely adjacent one another so that high frequency signals can be transmitted to, and from, the surface wave components.

REFERENCES:
patent: 4296347 (1981-10-01), Weirauch
patent: 5003822 (1991-04-01), Joshi
patent: 5817922 (1998-10-01), Rapp et al.
patent: 6314791 (2001-11-01), Rapp et al.
patent: 196 19 311 (1996-12-01), None
patent: WO 01/61336 (2001-08-01), None
Patent Abstracts of Japan, Publication No. 2000223989 of Nov. 8, 2000Surface Acoustic Wave Device
Freudenberg, J. et al., A SAW Immunosensor for Operation in Liquid Using a SiO2Protective Layer, Sensors and Actuators B, vol. 76, 2001, 147-151.

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