Material characterization method
AssigneeUniversiteit Twente
InventorsDavid Fernandez Rivas, Miguel Angel Quetzeri Santiago
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Abstract
The invention provides a method for determining a property of a target area of a material, wherein the target area has a size selected from the range of 100 μm2-100 mm2, wherein the method comprises: an exposure stage comprising providing a liquid jet to the target area, wherein the liquid jet has a jet velocity selected from the range of 2-150 m/s; a measurement stage comprising detecting a deformation of the material in the target area and providing a related signal; and an analysis stage comprising determining the property of the target area based on the related signal.
Claims25
A method for determining a property of a target area of a material, wherein the target area has a size selected from a range of 100 μm2-100 mm2, wherein the method comprises:
- an exposure stage comprising providing a liquid jet to the target area, wherein the liquid jet has a jet volume selected from a range of ≤500 nL, wherein the liquid jet has a jet velocity selected from a range of 2-150 m/s, wherein the jet velocity is selected to be sufficient to provide a deformation in the material, wherein the deformation comprises a surface wave, and wherein the jet velocity is selected to be below a threshold for injection into the material;
- a measurement stage comprising detecting radiation from the target area, and comprising measuring a wave property of the surface wave in the target area and providing a related signal, wherein the wave property is selected from the group comprising a propagation velocity and an amplitude decay, wherein the related signal is a signal related to the wave property of the surface wave;
- and
- an analysis stage comprising determining the property of the target area based on the wave property.
A system for determining a property of a target area of a material, wherein the system comprises a microfluidic device for jet ejection, a sensor system, and a control system, wherein:
- the microfluidic device is configured to provide a liquid jet to the target area with a jet velocity selected from a range of 2-150 m/s, wherein the liquid jet has a jet volume selected from a range of ≤500 nL, wherein the jet velocity is selected to be sufficient to provide a deformation in the material, wherein the deformation comprises a surface wave, and wherein the jet velocity is selected to be below a threshold for injection into the material;
- the sensor system is configured to detect radiation from the target area, and to measure a wave property of the surface wave in the target area and to provide a related signal, wherein the wave property is selected from the group comprising a propagation velocity and an amplitude decay, wherein the related signal is a signal related to the wave property of the surface wave;
- and
- the control system is configured to determine the property of the target area based on the wave property.
A method for determining a property of a target area of a material, wherein the target area has a size selected from a range of 100 μm2-100 mm2, wherein the method comprises:
- an exposure stage comprising ejecting a liquid jet from a microfluidic device to the target area, wherein the liquid jet has a jet volume selected from a range of ≤500 nL, wherein the liquid jet has a jet velocity selected from a range of 2-150 m/s, wherein the jet velocity is selected to be sufficient for impact of the jet on the material to result in a surface wave in the material, and wherein the jet velocity is selected to be below a threshold for injection into the material;
- a measurement stage comprising detecting radiation reflected from the target area, and determining a wave property of the surface wave in the target area from the radiation, wherein the wave property is selected from the group comprising a propagation velocity and an amplitude decay;
- and
- an analysis stage comprising determining the property of the target area based on the wave property.
A system for determining a property of a target area of a material, wherein the system comprises a microfluidic device for jet ejection, a sensor system, and a control system, wherein:
- the microfluidic device is configured to provide a liquid jet to the target area with a jet velocity selected from a range of 2-150 m/s, wherein the liquid jet has a jet volume selected from a range of ≤500 nL, wherein the jet velocity is selected to be sufficient to provide a deformation in the material, wherein the deformation comprises a surface wave, and wherein the jet velocity is selected to be below a threshold for injection into the material;
- the sensor system is configured to detect radiation from the target area, and to measure a wave property of the surface wave in the target area from the radiation, wherein the wave property is selected from the group comprising a propagation velocity and an amplitude decay;
- and
- the control system is configured to determine the property of the target area based on the wave property.
Dependencies are inferred from the claim text.