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Micro-machined calorimetric biosensors Description FIELD OF THE INVENTION This invention relates primarily to the use of miniaturization techniques to detect and monitor and control changes on a very small scale. More particularly, it relates to the use of micromachining techniques and micromachinery to provide highly sensitive detectors for use in measuring and selectively controlling…

: Patents
: UT, Battelle LLC
: Silicon, Sensor, Diode...

Cr-W-V bainitic/ferritic steel with improved strength and toughness and method of making Description FIELD OF THE INVENTION The present invention relates generally to ferritic steel alloys and, more specifically, to a high strength, high toughness Cr-W-V ferritic steel alloy having a carbide-free acicular bainite microstructure achieved through the alloy composition and by controlling …

Microbar sensor Description FIELD OF THE INVENTION The present invention relates to instruments for measuring the vapor concentration of a predetermined chemical or compound dispersed within a monitored atmosphere. DESCRIPTION OF THE PRIOR ART A pressing need exists in many industries, disciplines and governmental interests for a highly sensitive and selective chemical vapor de…

Monolithically compatible impedance measurement Description BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates generally to the field of remote sensors and sensing, and in particular, to integrated remote sensors and sensing. 2. Description of Related Art Many problems prevent wide-temperature range impedance measurements in harsh environments. Pri…

: Patents
: UT, Battelle LLC
: Sensor, Oscillator, Dielectric...

Temperature measurement method using temperature coefficient timing for resistive or capacitive sensors Description BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates generally to a new method for temperature measurement that provides a direct digital temperature output, and is especially suited for low cost, low power, moderate accuracy implementation. Mo…

Optical caliper with compensation for specimen deflection and method Description BACKGROUND OF THE INVENTION The present invention relates generally to optically measuring the surface profile and/or thickness of a product or specimen while compensating for any deflection of the specimen relative to the optical sensors being used for the measurement, and more particularly to an optical …

Condition assessment of nonlinear processes Description FIELD OF THE INVENTION The current invention relates to methods and apparatus for analyzing nonlinear data and particularly time-series nonlinear data derived from any of a variety of nonlinear processes or processes having a nonlinear component, and more particularly relates to methods and apparatus for detecting and measuring ch…

Clip gage attachment for frictionless measurement of displacement during high-temperature mechanical testing Description FIELD OF THE INVENTION The invention relates to attachments for transmission of displacement, i.e., linear distance, from a specimen to an electrical detector. More particularly, the invention relates to a device which allows a clip gage extensometer to be located ou…

Micromechanical transient sensor for measuring viscosity and density of a fluid Description BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to apparatus and methods for the accurate determination of viscosity, density or both of very small volumes of fluids. 2. Prior Art The atomic force microscope (AFM) was first demonstrated by Binnig and co-w…

: Patents
: UT, Battelle LLC

Self-filling and self-purging apparatus for detecting spontaneous radiation from substances in fluids Description BACKGROUND OF THE INVENTION 1. Field of Invention This invention pertains to an apparatus and method for in situ detection of radiation. More particularly, the invention pertains to in situ detection of radiation in limited access areas such as well-logging bore holes. …

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