Chemistry: electrical and wave energy – Apparatus – Electrolytic
Reexamination Certificate
2011-03-29
2011-03-29
Olsen, Kaj K (Department: 1724)
Chemistry: electrical and wave energy
Apparatus
Electrolytic
C204S403010, C324S686000
Reexamination Certificate
active
07914655
ABSTRACT:
A circuit arrangement, an electrochemical sensor, a sensor arrangement, and a method for processing a current signal provided by a sensor electrode are disclosed. The circuit arrangement includes a sensor electrode, a first circuit unit, electrically coupled to the sensor electrode and a second circuit unit, including a first capacitor, whereby the first circuit arrangement is embodied to hold the electrical potential of the sensor electrode in a given first reference range about a set electrical potential and, when the sensor electrode potential falls outside the first reference range, the first capacitor and the sensor electrode are coupled such that a matching of the electrical potentials is possible. The second circuit unit is embodied such that, when the electrical potential of the first capacitor falls outside a second reference range, this event is detected and the first capacitor brought to a first electrical reference potential.
REFERENCES:
patent: 5217595 (1993-06-01), Smith et al.
patent: 6277255 (2001-08-01), Green et al.
patent: 6294062 (2001-09-01), Buck et al.
patent: 7123029 (2006-10-01), Frey et al.
patent: 2003/0094383 (2003-05-01), Kermani
patent: WO 02/33397 (2002-04-01), None
Bard and Faulkner, Electrochemical Methods: Fundamentals and Applications, 2nd ed, 2001, pp. 643 and 644.
Thewes R. et al: “Sensor arrays for fully-electronic DNA detection on CMOS”, ISSCC2002, Bd. 1, 2002, S. 350-351, 472, XP010585601, S. 350, rechte Spalte, Abs. 3: Abb. 21.2.5.
Hofmann F. et al: “Passive DNA Sensor with Gold Electrodes Fabricated in a CMOS Backend Process”, Proceedings of the European Solid State Device Research Conference (ESSDERC), Edition Frontieres, GIL-SUR-YVETTE, FR, Sep. 24, 2002, S. 487-490, XP008033777, Abb. 2,4.
Uster M. et al: “Integrating ADC using a Single Transistor as Integrator and Amplifier for very low (1 FA Minimum) input currents”, Int. Converence on Advanced A/D and D/A Conversion Techniques and their Applications, XX, XX, Jul. 27, 1999, S. 86-89, XP001147236, in der Anmeldung erwähnt, Abb. 1, 2.
Breten M. at al: “Integrating data converters for Picoampere currents from electrochemical transducer”, ISCAS 2000, Bd. 5, May 28, 2000, S. 709-712, XP010504295, Abb. 1.
Hintsche, R. et al. “Microbiosensors using electrodes made in Si-technology”, Frontiers in Biosensorics. Fundamental Aspects, Scheller, FW, Schubert F., Fredrowitz, J. (eds.), Birkhauser Verlag Basel, Schweiz, S. 267-283, 1997.
van Gerwen, P. (1997), “Nanoscaled Interdigitated Electrode Arrays for Biochemical Sensors”, IEEE, Int. Conf. on Solid-State Sensors and Actuators, Jun. 16-19, 1997, Chicago, S.907-910.
Paeschke, M., Dietrich, F., Uhlig, A. Hintsche, R. (1996) “Voltammetric Multichannel Measurements Using Silicon Fabricated Microelectrode Arrays”, Electroanalysis, vol. 7, No. 1, S.1-8.
Frey Alexander
Paulus Christian
Schienle Meinrad
Thewes Roland
Harness & Dickey & Pierce P.L.C.
Olsen Kaj K
Siemens Aktiengesellschaft
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