Abstract: A volute assembly includes a volute body, a cover plate, and a seal. The volute body includes a top plate, a side plate protruding axially from an edge of the top plate, a cavity formed by the top plate and the side plate, and an exhaust duct disposed on the side plate and communicating with the cavity. The side plate includes a first bottom edge and a plurality of clamping blocks disposed at intervals on the first bottom edge. The cover plate includes a bottom plate and an annular sleeve surrounding the bottom plate. The annular sleeve includes a second bottom edge and a flange protruding from the second bottom edge. The flange includes a plurality of buckles disposed at intervals. The seal is disposed around the annular sleeve and is supported by the flange. The side plate is matched with the annular sleeve in shape.

Abstract: A method of manufacturing a semiconductor device includes: forming mutually parallel three-dimensional (3D) conductive channels coated with a conformal sacrificial layer, the 3D conductive channels coated with the conformal sacrificial layer being formed on a semiconductor substrate; depositing a dielectric material to fill spaces between the 3D conductive channels coated with the conformal sacrificial layer, wherein a portion or all of the deposited dielectric material is doped with boron, lithium, or beryllium; performing chemical mechanical polishing (CMP) to remove a top portion of the deposited dielectric material and to expose tops of the 3D conductive channels; and after the CMP, removing the conformal sacrificial layer coating the 3D conductive channels by etching to form 3D dielectric features spaced apart from the 3D conductive channels and comprising the deposited dielectric material.

Abstract: A Class-D amplifier includes a loop filter circuit, a comparator circuitry, an output circuitry, and a common-mode control circuitry. The loop filter circuit generates first and second signals according to input and output signals and adjusts common-mode levels of the first and second signals according to a first common-mode signal. The comparator circuitry respectively compares a ramp signal with the first and second signals to generate pulse signals, and a common-mode level of the ramp signal is set based on a second common-mode signal. The output circuitry is powered by a power supply voltage to generate the output signals according to the pulse signals. The common-mode control circuitry performs an AC-coupling operation on the power supply voltage to generate a noise signal and generate one of the first and second common-mode signals according to the noise signal and another one of the first and second common-mode signals.

Abstract: Systems and methods for learning from mistakes to improve detection rates of Machine Learning (ML) models. The systems and methods including receiving data with labels; running the data through a trained ML model for predictions; identifying errors in the predictions based on the labels received with the data; adjusting weights associated with samples in the data based on the identified errors; and retraining the ML model with the adjusted weights.

Abstract: Systems and methods for identifying incorrect labels and improving label correction for machine learning for security. The systems and methods including receiving data with labels; training one or more Machine Learning (ML) models to label the received data; identifying disagreements between the labels provided by the one or more ML models and the labels received with the data; and providing one or more groups of the data for review for incorrect labels.

Abstract: The present invention provides a digital load cell with redundancy design, the digital load cell including: at least one force measuring element that measures a load force applied to the digital load cell, where each force measuring element converts the load force into one analog signal; and one or more analog-to-digital conversion modules, where each force measuring element is connected to at least one analog-to-digital conversion module, and the analog-to-digital conversion module converts the analog signal into a digital signal. According to the digital load cell of the present invention, redundancy design is provided at least for both the force measuring element and the analog-to-digital conversion module, which can effectively ensure the proper operation of the digital load cell.

Abstract: A digital load cell includes: a strain bridge including a Wheatstone bridge formed by connecting four resistive strain gauges and a temperature sensing resistance element connected in series to the Wheatstone bridge. An analog-to-digital conversion circuit excites the strain bridge, and includes a plurality of input channels and an output terminal. The input channels receive feedback signals from the strain bridge, and the output terminal outputs the feedback signals after analog-to-digital conversion. A signal processor includes a load force calculation unit and a state information matrix calculation unit. The load force calculation unit calculates a differential voltage and a compensation function based on the feedback signals obtained from the output terminal, and calculates a load force value based on the differential voltage and the compensation function. The digital load cell and related weighing system; can provide comprehensive and effective real-time health state monitoring for the digital load cell.

Abstract: Semiconductor device and the manufacturing method thereof are disclosed. An exemplary semiconductor device comprises a semiconductor stack including semiconductor layers over a substrate, wherein the semiconductor layers are separated from each other and are stacked up along a direction substantially perpendicular to a top surface of the substrate; an isolation structure around a bottom portion of the semiconductor stack and separating active regions; a metal gate structure over a channel region of the semiconductor stack and wrapping each of the semiconductor layers; a gate spacer over a source/drain (S/D) region of the semiconductor stack and along sidewalls of a top portion of the metal gate structure; and an inner spacer over the S/D region of the semiconductor stack and along sidewalls of lower portions of the metal gate structure and wrapping edge portions of each of the semiconductor layers.

Abstract: An oral colon-targeted delivery system is described, which includes a bacterial flora sensitive layer which contains polysaccharides and covers the exterior of active ingredients, a pH sensitive layer which contains any polymer composition dissolved under the condition of pH?7 and covers the exterior of the bacterial flora sensitive layer. A preparation method and applications of the delivery system are also described. According to the oral colon-targeted delivery system combined with the pH sensitive and bacterial flora sensitive mechanisms, the selective dissolution and release of active ingredients in the colon site are effectively improved by using double-layer protection so that the therapeutic or diagnostic effect is enhanced, and the application prospect is broad.

Abstract: Disclosed are a type of halogenated conjugated diene compounds (1), and preparation and application thereof. In this method, a conjugated diene compounds is subjected to halogenation reaction to prepare the compound (1). This disclosure further provides a method of preparing a 2-arylmalonic acid derivative from the compound (1) through dehydrohalogenation and aromatization reaction.

Abstract: Disclosed are a type of halogenated conjugated diene compounds (1), and preparation and application thereof. In this method, a conjugated diene compounds is subjected to halogenation reaction to prepare the compound (1). This disclosure further provides a method of preparing a 2-arylmalonic acid derivative from the compound (1) through dehydrohalogenation and aromatization reaction.

Abstract: the present invention provides a millimeter-wave up/down converter, with an internal signal source therein capable of manual coarse tuning and fine tuning, used for receiving and converting a low frequency/high frequency signal into a high frequency/low frequency signal to be used by a device in a user terminal, and comprises a micro-controller module, an adjusting switch, and a frequency-converter module. The micro-controller module is provided therein with a frequency control signal with a frequency within a frequency range. The adjusting switch is connected to the micro-controller module for adjusting the frequency control signal; thereby the adjusted frequency control signal is outputted from the micro-controller module.

Abstract: A detection device for measuring an antenna is disclosed, wherein the detection device is provided with a probe seat made of a reflected wave absorbent material; a front end of the probe seat is provided with an extending front arm for connecting to a probe; and a rear end of the probe seat is provided with a connector, of which one end is for connecting to a detection instrument and the other end is electrically connected to the probe through the front arm, thereby when measuring an antenna, the probe seat can absorb reflected waves from the antenna to measure the quality of the antenna pattern.

Abstract: A method of forming a semiconductor package includes dispensing an adhesive on a substrate that has an integrated circuit die attached thereon, placing a lid over the integrated circuit die such that a bottom surface of the lid caps at least a portion of the adhesive, and pressing the lid against the substrate such that a portion of the adhesive is squeezed from a space between the bottom surface of the lid and the substrate onto a sidewall of the lid.

Abstract: An oral colon-targeted delivery system is described, which includes a bacterial flora sensitive layer which contains polysaccharides and covers the exterior of active ingredients, a pH sensitive layer which contains any polymer composition dissolved under the condition of pH?7 and covers the exterior of the bacterial flora sensitive layer. A preparation method and applications of the delivery system are also described. According to the oral colon-targeted delivery system combined with the pH sensitive and bacterial flora sensitive mechanisms, the selective dissolution and release of active ingredients in the colon site are effectively improved by using double-layer protection so that the therapeutic or diagnostic effect is enhanced, and the application prospect is broad.

Abstract: A detection device for measuring an antenna is disclosed, wherein it is provided with a probe seat made of a metal material; a front end of the probe seat is provided with an extending front arm for connecting to a probe; and a rear end of the probe seat is provided with a connector, of which one end is for connecting to a detection instrument and the other end is electrically connected to the probe through the front arm; the detection device is characterized in that an outer surface of the probe seat is covered by a wave absorbent material capable of absorbing reflected waves, thereby when measuring an antenna, the probe seat can absorb reflected waves from the antenna to measure the quality of the antenna pattern.