Abstract: A color correction system and a colorimeter positioning method therefore are provided. A first color block is displayed in a first display area of a display. During the period of displaying the first color block, a first sensing value is acquired for the first color block through a sensor of a colorimeter. The first sensing value is compared with a first reference value to determine whether the first sensing value meets the first specific condition. In response to the first sensing value meeting the first specific condition, a second color block is displayed in the first display area of the display. During the period of displaying the second color block, a second sensing value is acquired for the second color block through the sensor. The second sensing value is compared with a second reference value to determine whether the second sensing value meets the second specific condition.

Abstract: A curved prism array applied to an infrared sensor wherein: the infrared sensor comprises at least an infrared sensing element which is used in detecting infrared signals within a solid-angled FOV and installed inside the curved prism array; the curved prism array has an incident focal plane and a plurality of emergent focal planes, both of which are not parallel with each other, such that infrared signals beyond the solid-angled FOV are received by the incident focal plane, refracted through one of the emergent focal planes and guided toward the infrared sensing element for expansion of the solid-angled FOV of the infrared sensing element.

Abstract: Systems and methods include a cooking appliance comprising a heating element disposed within a cooking chamber and operable to selectively emit waves at any of a plurality of powers and/or peak wavelengths, a camera operable to capture an image of the cooking chamber, and a computing device operable to supply power to the heating element to vary the power and/or peak wavelength of the emitted waves and generate heat within the cooking chamber, and instruct the camera to capture the image when the heating element is emitting at a stabilized power and/or peak wavelength. The computing device is operable to generate an adjusted captured image by adjusting the captured image with respect to the stabilized power and/or peak wavelength. The computing device comprises feedback components operable to receive the adjusted captured image, extract features, and analyze the one or more features to determine an event, property, measurement and/or status.

Abstract: A method for real-time estimation of temperatures of electric components in a power electronics system, the method including the steps of: obtaining a current reference temperature; obtaining current power loss values of the electric components; determining self-heating coefficients of the electric components for the obtained current power loss values; determining external heating coefficients of the electric components; and estimating the temperatures of the electric components in real-time based on the obtained current reference temperature, the determined self-heating coefficients and the determined external heating coefficients.

Abstract: A structural temperature self-monitoring system based on a chiral structured shape memory polymer microporous plate, comprising a fixing apparatus, a chiral structured microporous plate, and a triboelectric nanogenerators set. Each chiral element of microporous plate is provided with a hexagonal cell and six chiral legs, and the microporous plate may occur specific deformation under certain conditions. The microporous plate is fixed on the fixed apparatus, and the triboelectric nanogenerators set comprises two lateral sliding mode triboelectric nanogenerators that are symmetrically distributed; the data of deformation of chiral structured microporous plate in converse directions is collected; and a voltage is emerged for measurement. The system can monitor the temperature of any portion of structure without an external power supply, and obtain the temperature data possessing both timeliness and accuracy under the condition of ensuring the integrity and representativeness of temperature data.

Abstract: A system and method for determining an object characteristic from a timed sequence of measured characteristics wherein the object characteristic is determined based on a comparison of a current measured characteristic against a variable reference characteristic. The variable reference characteristic is selected by iterating through the timed sequenced and determining a separate quality metric for the current measured characteristic against each earlier measured characteristic and selecting the variable reference as a function of the determined quality metrics. In one embodiment, iteration continues only until an earlier measured characteristics is found with a quality metric that meets or exceeds a threshold value. In another embodiment, iteration continues through a plurality of earlier measured characteristic (perhaps all) and the variable reference is selected as the earlier measured characteristic with the highest quality metric. The measured characteristics may include OFDR measurements.

Abstract: Before a temperature characteristic of a band gap reference circuit is tested, temperature dependencies of a reference voltage and an absolute temperature proportional voltage for a plurality of samples are measured. When the temperature characteristic is tested, based on a difference ?Vref between the reference voltage of the band gap reference circuit at a predetermined temperature and a median value of the reference voltages of the plurality of samples, a difference ?Vptat between the absolute temperature proportional voltage of the band gap reference circuit at a predetermined temperature and a median value of the absolute temperature proportional voltages of the plurality of samples is calculated.

Abstract: A method for determining a semiconductor temperature Tj of a semiconductor element of a semiconductor module comprises ascertaining an estimated value of the semiconductor temperature Tj using an optimizable model of a thermal behavior of the semiconductor module, reading a measured value of the semiconductor temperature Tj, optimizing the optimizable model using the measured value, providing the estimated value of the semiconductor temperature Tj, if the measured value is not available, and the measured value if the measured value is available for the point in time, and repeating the steps of the method for further points in time.

Abstract: There is provided a measurement apparatus for a vacuum furnace, comprising a data acquisition device, comprising a sensor interface operable to electrically couple one or more sensors to the data acquisition device, and a thermally conductive layer disposed on a first surface of the data acquisition device and to provide a thermally conductive interface between the first surface of the data acquisition device and a cooled internal surface of the vacuum furnace.

Abstract: A system for determining an indicated turbine temperature (ITT) for a gas turbine engine includes an engine control system. The engine control system includes a processor in communication with a non-transitory memory storing instructions, which instructions when executed by the processor, cause the processor to: determine a first estimated outlet temperature value for a high-pressure turbine of the gas turbine engine, determine an estimated work ({dot over (W)}HPT) of the high-pressure turbine, determine an estimated inlet temperature value for the high-pressure turbine using the estimated work ({dot over (W)}HPT), and determine the ITT by calculating a second estimated outlet temperature value using the estimated inlet temperature value, the second estimated outlet temperature value different than the first estimated outlet temperature value.

Abstract: A water environment temperature measurement tool includes measurement boxes and a counterweight box; a plurality of groups of the measurement boxes are provided; the counterweight box is movably connected with a group of measurement boxes; and each measurement box is provided with a temperature measurement instrument inside. The water environment temperature measurement tool further comprises: control mechanisms, each comprising a water inlet pipe, a water retaining member, an elastic member, a control assembly, a rotating seat, a rotating shaft, a second screw rod, a control seat and a rotary assembly. In the water environment temperature measurement tool of the present invention, the control mechanisms can achieve extraction and temperature measurement of water at different water body depths by cooperating with the measurement boxes and the temperature measurement instruments.

Abstract: A method of monitoring an internal body temperature of a patient includes detecting a skin temperature of the patient using a temperature sensor in a body-mountable temperature monitor attached to the patient; calculating, using the temperature sensor, a heat flux associated with the body-mountable temperature monitor based on selectively activating a heater in the body-mountable temperature monitor; and determining the internal body temperature of the patient using the skin temperature and the heat flux.

Abstract: In an embodiment a method for calibrating temperature sensors includes arranging devices-under-test (DUTs) in a sealable and thermally isolated chamber of a calibration arrangement such that each of the DUTs is in proximity to, associated to and in thermal contact with at least one of a number of reference samples, controlling the calibration arrangement to thermalize the DUTs and the reference samples to a temperature set point and generating, based on a temperature-dependent quantity, a set of measurement signals for each of the DUTs, wherein each set of measurement signals comprises a test measurement signal from a distinct one of the DUTs and a reference measurement signal from each of an associated at least one of the reference samples.

Abstract: A method of manufacture of a force sensor and a force sensor is provided. The force sensor can be used to measure contact forces. The force sensor includes a substrate with an electromagnetic sensing element for contactless sensing of a field formed by a target. The target is included in a flexible piece which receives the force, and can deform by it. The flexible piece is treated so that the force sensor is reliable and has long durability.

Abstract: A miniature combined multi-axis force sensor structure includes a sensor body, a first shell and a second shell, two horizontal main beams and two vertical main beams are arranged on the periphery of an inner round platform in a cross shape, tail ends of the horizontal main beams and the vertical main beams are each connected to a vertical floating beam, and the horizontal floating beams consist of two thin-walled cambered beams; two ends of the horizontal floating beam are each connected to an outer round platform by means of an annular platform; the sensor body is arranged between the first shell and the second shell; strain gauges are stuck on the horizontal main beams and the vertical main beams to form two Wheatstone bridges; and when force/torque acts on the cross beam, the sensor deforms, and the resistance value of strain gauge at corresponding position changes.

Abstract: A strain gauge transducer comprises: a casing comprising a deforming body to be deformed by an external force; a strain gauge disposed on the deforming body; a conductive wire connected to the strain gauge and drawn to outside of the casing through a through hole provided on the casing; a covering member covering the conductive wire with a gap between the covering member and the conductive wire, one end of the covering member being in close contact with the casing; a circuit board connected with the conductive wire; and a cable relay tube housing the circuit board, in close contact with the other end of the covering member. A continuous ventilation passage through the gap from an interior of the casing to an interior of the cable relay tube is formed and contacts the outside air at a surface of the cable relay tube.

Abstract: An apparatus and a method for force sensing, and an electronic device. The apparatus includes a sensor and a filter. The sensor is configured to generate a first signal which is determined based on deformation of at least a part of the sensor and temperature of at least the part of the sensor. The part of the sensor is attached to a deformable portion of the electronic device. The filter is configured to receive the first signal, and remove a change from the first signal to acquire a second signal, where the change is due to the temperature of the part of the sensor. In comparison with the first signal, the second signal is less sensitive to the temperature, and therefore can indicate the deformation of the deformable portion more accurately. The electronic device can make an accurate response when the deformable portion deforms.

Abstract: A sensor device includes multiple sensors, a controller, and multiple communication paths. Each of the sensors includes a sensor element and a sensor-side communication circuit. The sensor element detects a change in a physical quantity. The sensor-side communication circuit transmits a signal having a response signal according to a detected value of the sensor element, in response to a request signal transmitted by a controller. The controller includes a controller-side communication circuit and an arithmetic processing unit. The controller-side communication circuit transmits the request signal and receives the response signal. The arithmetic processing units calculates detection data according to the response signal. The communication paths respectively connect the sensors to the controller. The arithmetic processing unit calculates detection data by adopting respective response signals in parallel acquired from the sensors.

Abstract: The invention relates to an explosive mass drop test device. Specifically, the present invention relates to a method of designing an explosive block drop test device to serve the explosion test process and meet the requirements for ensuring safety during the test. The present invention gives an example of a test device for dropping explosive masses in the range 50-300 kg. In addition, the structure is designed to be simple, easy to integrate and disassemble with the explosive block, the manipulation of dropped objects is simplified. The product of the present invention can be used to test the safety of explosive blocks.

Abstract: An electrode connection cause determination system includes a position measuring instrument. The position measuring instrument is configured to, when an electrode moves between an unwinder and a rewinder in a roll-to-roll state, acquire coordinate value data based on a longitudinal position of the electrode determined according to a rotation amount of the rewinder. The system includes a signal generator configured to generate a connection advance notice signal if the electrode includes a connecting portion corresponding to a cause event, a seam detector configured to detect a seam attached onto the electrode after the connection advance notice signal is generated, and a determination unit configured to, when the seam is detected within a predetermined distance from a first coordinate value of the electrode after the connection advance notice signal is generated, determine that a connection cause of an electrode connection by the seam corresponds to the cause event.

Abstract: The pressure sensor 10 comprises: a bottomed cylindrical sensor module 11 having inside a pressure receiving chamber C1 communicating with a flow path and including a diaphragm 11a in contact with the pressure receiving chamber; a pressure detecting element 12 for outputting a strain of the diaphragm 11a as a pressure; a base ring 14 fixed at an outer edge of an open-side end part 11c of the sensor module and disposed on an outer peripheral side of the sensor module 11; a hermetic member 13 fixed to the base ring 14 for forming a sealed vacuum chamber C2 opposite to the pressure receiving chamber C1 across the diaphragm 11a; a gasket 18 sandwiched between the base ring 14 and a body 5; and a pressing flange 19 for pressing the base ring 14 to the body 5 through the gasket 18.

Abstract: The present application discloses a packaging structure and method of an MEMS pressure sensor. The packaging structure of the MEMS pressure sensor includes: a film, forming a sealing chamber with a base, during manufacturing the sealing chamber is internally equipped with a sensing medium and a pressure sensor chip, when the external pressure increases, the film bends towards an inner side of the sealing chamber to cause the sealing chamber to contract and transmit pressure to the pressure sensor chip through the sensing medium. The packaging structure of the present application can avoid the sensing chip from being damaged by excessive contraction of the sealing chamber due to pressure overload, and thus achieves overload protection.

Abstract: A vacuum pressure gauge assembly includes a body, a pressure transducer received within the body, a microcontroller received within the body and configured to receive a signal indicative of a pressure from the pressure transducer, and at least one light emitting device in communication with the microcontroller. The microcontroller is configured to process the signal from the pressure transducer to determine the pressure, and to control the at least one light emitting device to display a first light pattern when the pressure is within a first pressure range and a second light pattern different from the first light pattern when the pressure is within a second pressure range different from the first pressure range. At least one of the first light pattern and the second light pattern varies in intensity over time.

Abstract: A system and method for providing tactile sensor calibration that include receiving force data from a force/torque sensor and tactile data from a plurality of taxels of a tactile sensor pad. The system and method also include interpolating the force data and the tactile data and pre-processing the interpolated data to align the force data and the tactile data to match data points. The system and method additionally include dividing the matched data points into individual interactions and computing a linear regression for each segment that is associated with each interaction. The system and method further include determining an amount of force that is absorbed by the tactile sensor pad based on a conversion of tactile measurements sensed by the plurality of taxels into Newtons based on the linear regression computed for each segment.

Abstract: A plurality of analog signals each of which is representative of a portion of the load measured by a corresponding plurality of load cells. Converting the plurality of analog signals into a plurality of digital signals corresponding to the plurality of load cells. Running a diagnostic on each of the plurality of digital signals to determine an operational condition of each of the plurality of load cells.

Abstract: Shut-off device for a duct, in which a measuring device comprising a transmitter is housed, the shut-off device comprising: a connecting ring formed of a peripheral wall and an inner rim, which is at least present on one section of the periphery of the peripheral wall and defines a housing for accommodating at least part of the transmitter; a cover configured to close the duct and clip onto the connecting ring and thus rigidly connect the transmitter of the measuring device to the shut-off device.

Abstract: Check valve testing systems and leak detection methods using the same are disclosed. In embodiments the check valve testing system includes a check valve assembly and a pressure sensor. The check valve assembly includes a first pressure zone upstream of the check valve and a second pressure zone downstream of the check valve. An inlet valve and a drain valve may be fluidly coupled to the first pressure zone, an outlet valve may be fluidly coupled to the second pressure zone. The pressure sensor is configured to detect a fluid pressure in the second pressure zone. The controller is configured to communicatively couple to the pressure sensor, and is configured to determine whether there is a leak through the check valve, a leak downstream of then outlet valve, or a leak through the outlet valve when the inlet valve, drain valve, and outlet valve are in various conditions.

Abstract: A system is provided for dispersing supercooled liquid water in an icing wind tunnel. The system includes a spray bar; a spray nozzle coupled to the spray bar; a pressure control valve coupled to the spray bar; and a controller coupled to the pressure control valve and the spray nozzle. The controller is configured to receive input identifying a selected liquid water content and a selected water droplet size for dispersing the supercooled liquid water in the icing wind tunnel; configure an injector duty cycle of the spray nozzle to generate the selected liquid water content; and configure the pressure control valve to generate the selected water droplet size, wherein configuring the spray nozzle and the pressure control valve disperses the supercooled liquid water in the icing wind tunnel.

Abstract: Disclosed are a system and a method for detecting a centroid of a complementary single pixel. The system includes a lens group, a single-pixel detector assembly, a Digital Micromirror Device (DMD) and an acquisition and processing unit. The acquisition and processing unit generates two-dimensional modulation matrices A and B which are loaded into the DMD; the lens group processes light reflected or transmitted from a target object, such that an image of the target object is imaged on the DMD; and the acquisition and processing unit is connected with data output ends of two single-pixel detectors in respective, to calculate the centroid of the target object. The DMID modulates an image signal of the target object according to modulation information A and B; the single-pixel detector assembly includes a first single-pixel detector and a second single-pixel detector.

Abstract: In a measurement method, light inputs with the same center wavelength and different properties are performed on a light transmission medium, and a measured value of an intensity spectrum of each of light outputs is acquired. An error between the measured value and an estimated value of the intensity spectrum calculated based on a theoretical relation between an intensity spectrum and a phase spectrum of each of the light inputs, a nonlinear coefficient and a wavelength dispersion value of the light transmission medium, and the intensity spectrum of each of the light outputs is calculated while changing the nonlinear coefficient and the wavelength dispersion value. Further, the nonlinear coefficient and the wavelength dispersion value are determined based on a difference, in a relation between the nonlinear coefficient and the wavelength dispersion value and the error, between the light inputs.

Abstract: In an aircraft, a fuel return valve (FRV) controls a flow of fuel, used to cool an oil feeding a propulsion engine and an oil of an integrated drive generator (IDG). A first sensor supplies measurements of the oil temperature at an output port of the IDG and a second sensor supplies measurements of oil temperature of the propulsion engine. An FRV operation monitoring system: determines, for each flight of the aircraft, an oil temperature maximum at an output port of the IDG and/or a maximum oil temperature of the propulsion engine; assesses a trend of one and/or the other of the oil temperature maxima over several flights; and generates an alarm when the trend of one and/or the other of the oil temperature maxima shows that a predetermined threshold has been exceeded.

Abstract: The invention relates to a method for monitoring the state of mechanical components such as bearings and gears on a shaft line equipping a rotating machine. Said method includes a step of obtaining at least one measurement yc[k] of the absolute acceleration of the shaft, as well as a set of steps of: obtaining a value fr[k] of the rotational frequency of the shaft, determining a matrix H[k] making it possible to define a state model described by: [k+1]=x[k]+w[k]etY[k]=[(y_c [k])¦SE[k]]=H[k]×x[k]+v[k], determining an estimator of the vector x[k] based on data from the state model, said set of steps further including, for at least one mechanical component, steps of: determining, from said estimator, a quantity characteristic of a contribution of said component to the vector Y[k], comparing said quantity with a threshold, detecting a possible defect of said at least one mechanical component.

Abstract: A method of assessing lateral stability of a moving vehicle in a real or simulated driving scenario comprises: determining a time-varying lateral position signal for the moving vehicle; computing an evolving frequency spectrum of the time-varying lateral position signal over a moving window across the time-varying lateral position signal; and analysing the evolving frequency spectrum to extract a lateral stability signal that indicates an extent to which the moving vehicle is maintaining a stable lateral position.

Abstract: According to one embodiment, a manufacturing data analysis device includes processing circuitry. The processing circuitry acquires manufacturing data including a manufacturing condition data group and a quality data group. The processing circuitry calculates one or more degrees of influence exerted by first manufacturing condition data included in the manufacturing condition data group on respective pieces of quality data included in the quality data group by analyzing the manufacturing data. The processing circuitry, in a case where one or more degrees of influence satisfy a determination condition, generates output data related to at least one of the first manufacturing condition data, one or more pieces of quality data on which the first manufacturing condition data has exerted the degrees of influence satisfying the determination condition, or the degrees of influence satisfying the determination condition.

Abstract: According to one embodiment, a manufacturing data analysis device includes processing circuitry. The processing circuitry acquires, from manufacturing data related to a plurality of products, first manufacturing data under a first acquisition condition. The first manufacturing data includes manufacturing condition data related to a manufacturing condition for each of the products and quality data related to quality for each of the products. The processing circuitry determines a second acquisition condition different from the first acquisition condition based on the first manufacturing data. The processing circuitry acquires second manufacturing data including the manufacturing condition data and the quality data from the manufacturing data under the second acquisition condition. The processing circuitry calculates an analysis result of a relationship between the manufacturing condition data and the quality data by analyzing the second manufacturing data.

Abstract: A test fixture for a testing a vehicle seat mounting includes a first portion and a second portion separate from the first portion and having a fulcrum supported thereon. An energy absorbing member is attached to the test fixture first portion and extends around a portion of the fulcrum. The energy absorbing member is formed so as to have a first shape when the test fixture first portion and second portion are spaced apart less than a predetermined distance. The test fixture is structured so that movement of the second portion in a direction away from the first portion causes the fulcrum to slide along the energy absorbing member. Sliding of the fulcrum along the energy absorbing member plastically deforms the energy absorbing member into a second shape different from the first shape.

Abstract: A pump health analysis method and a pump health analysis device using the same are provided. A standard vibration curve of a standard pump is obtained. The standard vibration curve is converted from a time domain to a frequency domain to obtain a first frequency distribution curve. A sample vibration curve of a sample pump is obtained. The sample vibration curve is converted from the time domain to the frequency domain to obtain a second frequency distribution curve. The first frequency distribution curve is compared with the second frequency distribution curve by using a cosine similarity algorithm to obtain a health index of the sample pump.

Abstract: A method and an apparatus are provided that may be applicable to refrigeration assets, including refrigeration plants and cold-storage facilities comprising large numbers of refrigeration assets. The performance of refrigerators and refrigeration devices may be monitored based on temperature and electrical current and other measurements known or deemed to be correlated with refrigeration performance. Refrigeration assets in need of repair may be identified and a repair process may be specified, classified, managed and optimized. The immediate effectiveness and long-term persistence of repairs may be determined over time. The refrigeration assets may be classified according to reliability, performance, make, model and manufacturer. The effectiveness of repairs may be classified based on measured performance results following repairs.

Abstract: A stackable environmental air sampling pump includes an external housing, an air pump inside the external housing, and a telescopic mast attached to the housing and configured to extend from the external housing. The external housing includes a recessed portion configured to receive a flexible tubing wrapped around the recessed portion and a handle on a first side of the external housing. The external housing further includes a first interlocking feature of a first type on a second side of the external housing, wherein the first interlocking feature is configured to connect to an interlocking feature of a second type. The external housing further includes a second interlocking feature of the second type on a third side of the external housing, wherein the second interlocking feature is configured to connect to an interlocking feature of the first type.

Abstract: A system for analyzing a sample, wherein the sample is an air composition or an aerosol, includes: a sample preparation unit, including a sample inlet and a plasma torch, wherein the sample enters the system through the sample inlet, wherein the plasma torch is configured to produce a plasma, which ionizes the sample such that ions and/or photons are generated, wherein the plasma is configured to aspirate the sample through the sample inlet; an interface configured to guide the generated ions and/or photons towards a detector; the detector, which is configured to detect the generated ions and/or photons; and an evaluation unit configured to analyze the sample by means of the detected ions and/or photons.

Abstract: A method and an apparatus that utilizes a flow-through processing and embedding technique for rapidly embedding cells is provided. A microwave heating process using a cooling system is utilized to keep the reagent and the tissue samples at a predefined temperature during the process. This flow-through processing maximizes the efficiency of cell recovery and of extractions during embedding, thereby decreasing the amount of cellular sample required, minimizing the amount of time for processing, and minimizing the amount of reagents needed for embedding.

Abstract: The methods for sample preparation disclosed herein utilize an air phase to reduce aqueous phase associated with magnetic particles bound to nucleic acids to decrease carryover of one or more contaminants, such as, cell debris, chaotropic agents, non-specifically attached molecules, and the like. This air-transfer step is improved by using a combination of a first population of magnetic particles and a second population of magnetic particles, where the first population of magnetic particles is capable of associating with nucleic acids, and the magnetic particles in the second population are at least two-times larger in size than the size of the magnetic particles in the first population. As discussed herein, the use of this second population of magnetic particles improves the transfer of the first population of magnetic particles by reducing loss of the first magnetic particles during the transfer. The sample preparation methods may be semi-automated or completely automated.

Abstract: A continuous field flow fractionator includes a membrane, a bottom plate assembly and a top plate assembly that includes an inject port, an inlet port, at least one orthogonal flow inlet port, at least one orthogonal flow outlet port, and at least two sample outlet ports. The top plate assembly, the membrane, and the bottom plate assembly define a separation channel. The solvent flowing from the at least one orthogonal flow inlet port impinges on particles of a sample flowing between the inject port to the at least two sample outlet ports in the orthogonal flow region. The particles of the sample flow to the at least two sample outlet ports according to sizes of the particles of the sample, resulting in fractions of the sample in accordance with the sizes of the particles.

Abstract: The present techniques, including methods and systems, relate to obtaining or producing a concentrated gas sample from a non-concentrated gas sample with a trap that is not inline with (or indirectly connected to) a chromatographic method, and injecting a controlled volume of the concentrated gas sample in a sample loop including a valve or similar chromatographic component through a sample line. The method includes preparing the concentrated gas sample from the non-concentrated gas sample with a trap; controlling a temperature of an internal volume of the trap to reach a release temperature; injecting the concentrated gas sample in a sample line towards a sample loop, the sample line and sample loop being at a sub-atmospheric pressure; and operating the sample loop to release the concentrated gas sample contained in the sample loop in a chromatographic method, wherein the trap is not inline with the chromatographic method.

Abstract: The present invention intends to improve accuracy of screening an optical fiber. A screening apparatus for an optical fiber according to the present invention comprising: a feeding unit that feeds out an optical fiber; a tension application unit that applies a tension to the optical fiber fed out from the feeding unit; and a winding unit that winds the optical fiber to which the tension is applied by the tension application unit; wherein the tension application unit includes a first pulley, a second pulley, a first capstan, and a second capstan, a diameter of the first pulley is smaller than a diameter of the second pulley, or the diameter of the first capstan is smaller than a diameter of the second capstan.

Abstract: A process for testing material samples comprises stressing samples under test by bending the samples with a bending fatigue system. During testing, an optical system takes images of the samples and cracks are identified in the samples using the images. Input variables and spatial variables for use in microstructure analysis of the images are determined and used to create a model. Based on the model, crack growth rates are predicted for untested microstructures based on the samples based on the analysis of the images.

Abstract: An embodiment interfacial bonding test structure may include a first substrate having a first planar surface, a second substrate having a second planar surface that is parallel to the first planar surface, a first semiconductor die, and a second semiconductor die, each semiconductor die bonded between the first substrate and the second substrate thereby forming a sandwich structure. The first semiconductor die and the second semiconductor die may be bonded to the first surface with a first adhesive and may be bonded to the second surface with a second adhesive. The first semiconductor die and the second semiconductor die may be displaced from one another by a first separation along a direction parallel to the first planar surface and the second planar surface. The second substrate may include a notch having an area that overlaps with an area of the first separation in a plan view.

Abstract: A gas densimeter for monitoring a pressure or density of a gas in a gas chamber with a housing having a first housing chamber and a measuring chamber, a first coupling, via which the measuring chamber can be connected to the gas chamber, at least one reference bellows, which is connected directly or indirectly in particular to a transmission element, and at least one transmitting and/or monitoring unit, which is or can be operatively connected directly or indirectly to the transmission element. In this regard, the measuring chamber has a gas-permeable connection to the gas chamber via the first coupling and the reference bellows forms a reference chamber filled with a constant amount of a reference gas. A surface section covering the reference chamber is provided or reachable at least partially within the first housing chamber or measuring chamber as a measuring surface for the gas from the gas chamber.

Abstract: The present application provides devices, kits, and methods for label-free separation of cells and/or other small particles with high resolution and throughput. Devices, kits, and methods of the present disclosure include a focusing stage for inertial based focusing of cells/particles in a sample followed by ferrohydrodynamic, size-based separation in a separation stage. These devices, kits and methods provide the ability to separate and enrich target cells/particles from a sample with high resolution and efficiency.

Abstract: To provide a technique capable of handling quantitative data in a spectrum type microparticle measurement device without causing deterioration of the SNR. The present technology provides a microparticle measurement spectrometer including: a spectroscopic element that disperses light emitted from microparticles flowing through a flow path; and a photoelectric conversion array that has a plurality of light receiving elements having different detection wavelength ranges and converts optical information obtained by the light receiving elements into electrical information, in which the photoelectric conversion array has a uniform output of all channels when light with which the amount of light per unit wavelength becomes same is incident.