skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Board of Regents of the Nevada System of Higher Education, on behalf of the University of Nevada, Reno

Patent ·
OSTI ID:1369071

A disclosed chemical detection system for detecting a target material, such as an explosive material, can include a cantilevered probe, a probe heater coupled to the cantilevered probe, and a piezoelectric element disposed on the cantilevered probe. The piezoelectric element can be configured as a detector and/or an actuator. Detection can include, for example, detecting a movement of the cantilevered probe or a property of the cantilevered probe. The movement or a change in the property of the cantilevered probe can occur, for example, by adsorption of the target material, desorption of the target material, reaction of the target material and/or phase change of the target material. Examples of detectable movements and properties include temperature shifts, impedance shifts, and resonant frequency shifts of the cantilevered probe. The overall chemical detection system can be incorporated, for example, into a handheld explosive material detection system.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
ORNL
Patent Number(s):
9,702,861
Application Number:
14/643,641
OSTI ID:
1369071
Resource Relation:
Patent File Date: 2015 Mar 10
Country of Publication:
United States
Language:
English

References (15)

Method and apparatus for calorimetric differential thermal analysis patent September 1982
Scanning thermal profiler patent May 1988
Sensor patent May 1990
Cantilever type probe, scanning tunneling microscope and information processing device equipped with said probe patent February 1993
Optical and electrical methods and apparatus for molecule detection patent August 1997
Microcantilever sensor patent February 1998
Non-contact passive temperature measuring system and method of operation using micro-mechanical sensors patent April 2000
Micromechanical calorimetric sensor patent August 2000
Cantilevered probe detector with piezoelectric element patent April 2010
Cantilevered probe detector with piezoelectric element patent July 2012
Cantilevered probe detector with piezoelectric element patent April 2013
Cantilevered probe detector with piezoelectric element patent April 2014
Detection of defects by thermographic analysis patent-application November 2002
Apparatus and method for detecting microorganisms patent-application September 2003
Chemical sensors utilizing conducting polymer compositions patent-application March 2004