Kulite Semiconductor Products, Inc.

Columbia University

Xulite Semiconductor Products, Inc.

Adam M Hurst

Joseph R VanDeWeert

Anthony D Kurtz

Robert Gardner

Louis DeRosa

Tonghuo Shang

Boaz Kochman

Alexander A Ned

Nora Kurtz, Legal Representative

James Hone

Douglas R Firth

Joseph Carter

Alan R Szary

Joe VanDeWeert

Scott J Goodman

Lou DeRosa

Sunwoo Lee

Arend Van Der Zande

Certain implementations of the disclosed technology may include systems and methods for extending a frequency response of a transducer. A method is provided that can include receiving a measurement signal from a transducer, wherein the measurement signal includes distortion due to a resonant frequency of the transducer. The method includes applying a complementary filter to the measurement signal to produce a compensated signal, wherein applying the complementary filter reduces the distortion to less than about +/&#x2212;1 dB for frequencies ranging from about zero to about 60% or greater of the resonant frequency. The method further includes outputting the compensated signal.

Systems and methods for extending frequency response of resonant transducers

This disclosure provides example methods, devices, and systems for a sensor having a Helmholtz resonator. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; an adapter coupled to the housing; a screen disposed in an opening of the housing, wherein a first cavity is disposed between the screen and the sensing element and a second cavity is disposed between the adapter and the sensing element, and the screen in combination with the first cavity and the second cavity form a Helmholtz resonator.

Pressure sensor having a Helmholtz resonator

This disclosure provides example methods, devices, and systems for a sensor having a front seal. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; a screen joined to an adaptor and coupled to the housing, wherein a first gap separates the adaptor and the sensing element and a second gap separates the adaptor and the header; and wherein a stress applied at a front surface of the adaptor is transferred to the housing, and the first gap is used to isolate the sensing element from the stress and the second gap is used to isolate the header from the stress.

Pressure sensor having an adapter joined with a screen for dimensional tolerance control

This disclosure provides systems and methods for a two-dimensional material-based accelerometer. In one embodiment, an accelerometer comprises a substrate; a membrane suspended over an opening in the substrate to form a suspended membrane, wherein the membrane is composed of a two-dimensional material; a mass structure coupled to the suspended membrane; and wherein the mass structure distorts the suspended membrane about a first axis in response to an applied acceleration providing a first change in a conductance of the suspended membrane so that the applied acceleration along the first axis can be detected.

Two-dimensional material-based accelerometer

Certain implementations of the disclosed technology may include systems and methods for dynamic pressure testing of transducers in communication with a liquid. A method is provided that can include dynamically pressurizing a liquid in a cavity associated with a housing. While dynamically pressurizing the liquid, the method includes simultaneously measuring: a change in volume of the liquid; a test frequency response, by a test transducer in communication with the liquid; and a reference frequency response, by a reference transducer in communication with the liquid. The method may further determine a normalized frequency response of the test transducer, based at least in part on the test frequency response and the reference frequency response. The method may further provide an indication of the normalized frequency response of the test transducer and an indication of the bulk modulus of the liquid.

Systems and methods for liquid dynamic pressure testing

This disclosure provides example methods, devices, and systems for a sensor having a Helmholtz resonator. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; an adaptor coupled to the housing; a screen disposed in an opening of the housing, wherein a first cavity is disposed between the screen and the sensing element and a second cavity is disposed between the adaptor and the sensing element, and the screen in combination with the first cavity and the second cavity form a Helmholtz resonator.

Pressure sensor having a helmholtz resonator

This disclosure provides example methods, devices, and systems for a sensor having a front seal. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; a screen joined to an adaptor and coupled to the housing, wherein a first gap separates the adapter and the sensing element and a second gap separates the adapter and the header; and wherein a stress applied at a front surface of the adapter is transferred to the housing, and the first gap is used to isolate the sensing element from the stress and the second gap is used to isolate the header from the stress.

Pressure sensor having a front seal

A pressure transducer assembly that uses static pressure compensation to capture low-level dynamic pressures in high temperature environments. In one embodiment, a method comprises receiving, at a first tube, a pressure, wherein the pressure includes a static pressure component and a dynamic pressure component; receiving, at a micro-filter, the pressure; filtering, by the micro-filter, at least a portion of the dynamic pressure component of the pressure; outputting, from the micro-filter, a filtered pressure; receiving, at a first surface of a first sensing element, the pressure; receiving, at a second surface of the first sensing element, the filtered pressure; measuring, by the first sensing element, a difference between the pressure and the filtered pressure, wherein the difference is associated with the dynamic pressure component of the pressure; and outputting, from the first sensing element, a first pressure signal associated with the dynamic pressure component of the pressure.

Combination static and dynamic pressure transducer employing a micro-filter

A method, device, or system is provided for improving dynamic pressure measurements. In one embodiment, a method comprises receiving, at a filter structure having a restricting tube, an input pressure having a static pressure (P), a lower-frequency dynamic pressure (P) and a higher-frequency dynamic pressure (P); filtering, by the restricting tube, the input pressure to substantially pass an output pressure having the static pressure (P), the lower-frequency dynamic pressure (P), and an attenuated higher-frequency dynamic pressure (P); and outputting, from the filter structure, the output pressure.

Systems and methods for improved dynamic pressure measurements

The present invention describes systems and methods for providing a carbon or graphene based pressure switch. An exemplary embodiment of the present invention includes a semiconductor substrate; a cavity defined within the semiconductor substrate having a cross-sectional area and a depth; a bottom conductor disposed within the cavity; a conductive membrane disposed above the cavity and adapted to deflect towards the bottom conductor upon an applied pressure; an elastic, insulating layer disposed between the conductive membrane and the bottom conductor; and a switching element adapted to activate upon electrical communication between the conductive membrane and the bottom conductor.

Carbon nanotube or graphene based pressure switch

This disclosure provides example methods, devices, and systems for a two dimensional material-based pressure sensor. A sensor device is provided that includes a substrate having a back electrode, a conductive layer in communication with the back electrode, and an insulating layer coupled to the conductive layer. The insulating layer includes one or more cavity regions. A sensor membrane comprising a two-dimensional material is disposed adjacent to the insulating layer and covering at least one of the one or more cavity regions. A first sensing electrode is in electrical communication with a first region of the sensor membrane, and a second sensing electrode is in communication with a second region of the sensor membrane. The sensor membrane is configured to respond to pressure changes exerted on the sensor device.

Two dimensional material-based pressure sensor

This disclosure provides example methods, devices and systems associated with filter structures employed with sensors. In one embodiment, a method comprises receiving, at a first filter having a plurality of pores, a pressure, wherein the pressure includes a static pressure component and a dynamic pressure component; filtering, by the first filter, at least a portion of the dynamic pressure component of the pressure; outputting, from the first filter, a filtered pressure; and wherein the filtered pressure is used to determine the dynamic pressure component.

Enhanced static-dynamic pressure transducer suitable for use in gas turbines and other compressor applications

This disclosure provides example methods, devices, and systems for a sensor having a front seal. In one embodiment, a system may comprise a sensing element; a header coupled to the sensing element; a housing coupled to the header; an adaptor coupled to the housing, wherein a first gap separates the adapter and the sensing element and a second gap separates the adapter and the header; and wherein a stress applied at a front surface of the adapter is transferred to the housing, and the first gap is used to isolate the sensing element from the stress and the second gap is used to isolate the header from the stress.

Growing community of inventors

State Hill, NY, United States of America

Adam M Hurst