3D array of integrated cells for the sampling and detection of air bound chemical and biological species

Patent 6568286 Issued on May 27, 2003. Estimated Expiration Date:

June 2, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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3769531

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3921456

Piezoelectric-type electroacoustic transducer
Patent #: 3947644
Issued on: 03/30/1976
Inventor: Uchikawa

Pump for pumping liquid in a pulse-free flow
Patent #: 4115036
Issued on: 09/19/1978
Inventor: Paterson

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Inventor

Cabuz, Cleopatra

Assignee

Honeywell International Inc.

Application

No. 586093 filed on 06/02/2000

US Classes:

73/863.33, Plural capture, single receiver73/863.31, Plural parallel systems73/864.34, Sample meter or pump73/864.81Analyzer supplier

Examiners

Primary: Larkin, Daniel S.
Assistant: Wilson, Katina

Attorney, Agent or Firm

Fredrick; Kris T.

Foreign Patent References

19617852 DE. 10/11/1997
19713469 DE. 10/11/1998
0744821 EP. 11/11/1996
0949418 EP. 10/11/1999
5-219760 JP. 08/11/1993
744877 SU. 06/11/1980
0028215 WO. 05/11/2012
0130497 WO. 05/11/2012

International Classes

G01N 001/26
G01N 001/20
G01N 001/14

Abstract

An integrated mesopump-sensor suitable for disposition in two- and three-dimensional arrays having small dimensions is disclosed. One mesopump is formed of an electrostatically attractable flexible diaphragm disposed through cavities or pumping chambers formed between two opposing electrostatically chargeable material layers. Fluid is pumped through the chambers by sequentially moving the diaphragm toward the first chargeable layer, then towards the second chargeable layer, which can pull and push the fluid through a series of chambers, and past the sensor. One group of sensors utilizes multiple and varied chemoresistive sensors which can vary in resistance differently in response to the presence of various analytes. Another group of sensors utilizes chemo-fluorescent sensors that fluoresce in the presence of particular analytes. Some mesopump-sensor systems can be manufactured using MEMS technology and can be coupled to controllers for sequencing the pumps and analyzing sensor outputs using methods including Principle Component Analysis.

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