Abstract: A power generation sensor includes a magnetic wire configured to exhibit a large Barkhausen effect, a coil wound around the magnetic wire, and a pair of magnetic flux conducting pieces that include a pair of magnetically-soft components respectively magnetically coupled to the opposite end portions of the magnetic wire. The pair of magnetic flux conducting pieces include a pair of axis-orthogonal portions respectively fixed to the opposite end portions of the magnetic wire and respectively extending parallel to each other orthogonally to the axial direction from the opposite end portions of the magnetic wire, and a pair of axis-parallel portions extending toward each other in the axial direction from the distal ends of the axis-orthogonal portions with their adjacent ends opposed to each other and spaced a gap from each other in the axial direction.

Abstract: A testing equipment includes a tester, a load board and an adapter. The load board is disposed on the tester. The adapter is disposed on the load board and configured to support a device under test. The adapter is electrically connected to the load board and the device under test. The tester is configured to transmit a testing signal to the device under test and receive a feedback signal from the device under test through the load board and the adapter.

Abstract: A positioning method and probe system for performing the same, a method for operating probe system, and a method for utilizing probe system to produce a tested semiconductor device are provided. The positioning method is used for positioning a plurality of probe assemblies with an under-test device including a plurality of pads, each of the probe assemblies have at least one probe tip that corresponds to each of the pads for contact, and at least one fixed probe assembly and at least one motorized probe assembly are defined among the probe assemblies during a positioning process.

Abstract: A Rydberg sensor may include an array of Rydberg quantum radio frequency (QRF) cavities arranged in rows and columns. A probe laser source may be configured to generate a time delayed probe beams for respective ones of the rows of Rydberg QRF cavities. An RF signal source may be configured to generate time delayed RF signals for respective ones of the columns of Rydberg QRF cavities.

Abstract: A detector for use with a gas chromatography device includes a column input for receiving a sample, a gas inlet for introducing a carrier gas, and a gas mixing area for mixing the sample with the carrier gas. A measurement chamber is in fluid communication with the gas mixing area and includes a gas inlet line and a gas outlet line. A scintillator crystal is positioned to interact with the mixed gases and to emit photons to generate an optical signal. A photodetector receives the optical signal and generates a corresponding electrical signal. The scintillator crystal may have an uncoated or conductive-coated outer surface. A fixing apparatus supports the scintillator crystal and/or photodetector and transmits the electrical signal to a data output line.

Abstract: Methods and systems of testing microelectromechanical (MEMS) devices are disclosed. A method includes mechanically coupling a wafer including MEMS devices to a test system and electrically coupling one of the MEMS devices through a probe card to a pulse measure unit (PMU) of the test system. The method includes driving, through the PMU, drive nodes of the MEMS device with an applied time-varying electrical signal to cause a resonance condition of the MEMS device, and sensing, through the PMU, an electrical signal generated across sense nodes of the MEMS device responsive to the resonance condition. A resonance frequency and quality factor of the MEMS device are determined based on the sensed electrical signals across the sense nodes of the MEMS device, and whether the MEMS device passes a quality factor test is made based on the calculated quality factor.

Abstract: The present disclosure relates to a rubber socket formed by assembling a plurality of individually manufactured electrically-conductive blocks, the blocks having a plurality of elastic electrically-conductive parts and an insulating part, respectively, are individually manufactured, a lower protruding portion, having a thickness smaller than that of the support member, of each electrically-conductive part is inserted into the through hole of the support member, the electrically-conductive block is coupled to the support member by adhering a lower surface of the insulating part to an upper surface of the support member to enable a large-area rubber socket to be manufactured.

Abstract: A method for measuring the state of health, of at least one semiconductor-based power electronics, comprising: a—determining, at an initial time t0, a first current value I(t0)=I,ZCP0 when the voltage V is equal to a voltage V(t0)=V,ZCP0, the power electronics component then being in an “initial time” state; b—measuring a value of the current I at each subsequent time ti for which the user wishes to ascertain the quantitative indicator D(ti), when the voltage V at the time ti is equal to the voltage V,ZCP0, the power electronics component then being in a “time ti” state; c—the processor computing a quantitative indicator D(ti) of the degradation of the power electronics component at each subsequent time ti, the value of which indicator depends on the variation in the value of the current I between the “initial time” state and the “time ti” state.

Abstract: A system for monitoring flow of fluid through a pipeline is disclosed. The system includes a ferromagnetic strip mounted on an outer surface of the pipeline. A solenoid coil is wound around the ferromagnetic strip and is connectable to a power source. A plurality of magnets is positioned over the solenoid coil, wherein each of the plurality of magnets are positioned at a pre-defined orientation with respect to longitudinal axis of the pipeline. A processing unit is communicatively coupled to the solenoid coil. The processing unit generates a plurality of wave modes in the pipeline by supplying power to the solenoid coil in concurrence with the plurality of magnets and the ferromagnetic strip. The processing unit is configured to receive a plurality of wave signals reflected and are then compared with pre-defined wave signals by the processing unit to monitor flow of fluid through the pipeline.

Abstract: The present invention is directed to a non-destructive testing system including a tablet without modular, interchangeable inspection cards for performing inspections with different end effectors and/or performing different types of inspections with the same end effectors. The modular, interchangeable inspection cards are easily removable and attached to a external rear face of the tablet, or inserted into a port extending into the tablet.

Abstract: A shielding device for a chuck of a wafer prober includes a ring mechanism having (I) a first ring that is attachable to an outer periphery of the chuck and (II) a second ring (i) mounted on the first ring so as to be displaceable along a vertical axis of the chuck relative to the first ring, (ii) having a cavity that (a) communicates with bores of the second ring and (b) has a connection for a gas supply device for production of an air bearing via the bores opposite a plate-shaped counter bearing above the second ring, and (iii) elastically pretensioned vertically, by a pretensioning device that can be compressed by the air bearing such that there is no contact between the second ring and the plate-shaped counter bearing, so that the second ring projects beyond an upper side of the chuck.

Abstract: A sensor system includes a sensor package including an integrated circuit and a plurality of external terminals including a first supply terminal, a second supply terminal, and an output terminal configured to provide an output signal. The integrated circuit includes a sensor circuit configured to modulate the output signal based on a sensor signal; a current path coupled between the first supply terminal and the second supply terminal and configured to enable a current to flow along the current path from the first supply terminal to the second supply terminal; a current modulator component arranged in the current path and configured to modulate the current flowing along the current path; and a diagnostic circuit configured to generate diagnostic information based on one or more conditions of the integrated circuit, and control the current modulator component such that the current is modulated based on the diagnostic information.

Abstract: The present disclosure relates to the technical field of batteries, and provides a sampling device, a battery management system, and a vehicle. The sampling device includes multiple core function regions, an auxiliary function region, and a terminal connector. The multiple core function regions are configured to process information of a battery. The auxiliary function region has wiring arranged therein, and is configured to transmit a signal corresponding to the information. The multiple core function regions are cascaded through the wiring.

Abstract: A measurement device (10a) for performing measurements with respect to a device under test (13) is provided. Said measurement device (10a) comprises a port (11a) for receiving a signal from the device under test (13), a signal level modification unit (14) for modifying the corresponding level of the signal in order to form a modified signal, the signal level modification unit (14) being operable in at least a first operation mode and a second operation mode being different from the first operation mode, a receiving unit (15) for receiving and digitizing the modified signal in order to a form a digitized modified signal, and a processing unit (16). The signal level of the first operation mode is set, e.g. by an attenuator of the device, such the signal-to-noise-ratio is high but the receiving unit causes non-linearity effects, and the signal level of the second operation mode is set lower, e.g. by an attenuator of the device, such that the receiving unit causes essentially no non-linearity effects.

Abstract: The present disclosure relates to an apparatus and method for secondary battery life evaluation. A state of charge (SOC) and a normal deterioration area for charge/discharge current of a secondary battery are established, the secondary battery is charged within the normal deterioration area of the secondary battery, an accelerated charging current is reduced as the SOC increases, the secondary battery is discharged within the normal deterioration area of the secondary battery, and an accelerated discharging current is reduced as the SOC decreases. Steps are repeated until a state of health (SOH) of the secondary battery reaches a reference SOH. By evaluating the accelerated life of the secondary battery within a normal deterioration range, the second battery life evaluation is highly reliable.

Abstract: After start of an electric drive system, a controller reduces power output of an inverter responsive to sensed temperature of a power switch of the inverter, sensed current of a power electronics module, sensed DC-link voltage, and thermal impedance parameters of a DC-link capacitor being indicative of an estimated temperature of the DC-link capacitor that is greater than a threshold to maintain DC-link capacitor temperature lower than the threshold.

Abstract: This application provides a test apparatus and a battery production line. The test apparatus includes a fixing mechanism and a plurality of test probe mechanisms. The test probe mechanisms are slidably connected to the fixing mechanism side by side along a first direction. In the test apparatus provided in embodiments of this application, the fixing mechanism is provided with a plurality of test probe mechanisms, and the test probe mechanisms can slide along the first direction relative to the fixing mechanism. In this way, distances between the test probe mechanisms can be adaptively adjusted according to the dimensions of to-be-tested battery cells, that is, the distances can quickly respond and adapt to changes in dimensions of incoming battery cells, so that the test efficiency can be significantly improved.

Abstract: A single or multiple self-tuning coil element for an MR imaging system is provided. The element is flexible and stretchable and may conform to various body parts and patient sizes. The element may be worn by the patient during the MR imaging session. Each coil may have one or more interdigital capacitors formed of flexible conductive traces. The capacitance of the interdigital capacitor(s) changes under stretching which provides the self-tuning. The traces may be made of liquid metal. The liquid metal may be doped with a contrast agent such that the coil is substantially invisible on an MR image. The coil(s) in a multiple coil element may be arranged in a single or a dual layer.

Abstract: To accurately detect the moving state of secondary atomic ions at the time of targeted voltage application and the moving state of secondary atomic ions due to diffusion. An ion movement measuring device includes a test specimen and a detector. The test specimen has a first electrode, a second electrode, and an electrolyte disposed between them. The first electrode and the second electrode each have a layer of an identical element, and have the identical potential in a state where no voltage is applied from outside the test specimen. At least the first electrode contains second atoms being isotopes of first atoms at an abundance ratio higher than a natural abundance ratio of the second atoms, the first atoms being present at a highest natural abundance ratio in the element. The detector detects some of ions of the first atoms and the second atoms, which are discharged from the electrolyte.

Abstract: A fence tester for testing the voltage in an electric fence comprises a handle member and a blade member pivotally coupled to the handle member between an open state extending from the handle member and a closed state partly recessed into the handle member. The handle member defines a hollow interior region, and comprises a printed circuit board having an electronic monitoring circuit therein. An antenna coupled to the electronic monitoring circuit is configured to conduct an electrical current induced therein by an electric field generated by a pulsating voltage in the electric fence when the fence tester is located adjacent the electric fence. A latching element located in the handle member operated by a manually operated operating element in the handle member latches the blade member in the open state and the closed state.