Abstract: A method for processing a semiconductor wafer is provided. The method includes placing a first semiconductor wafer on a wafer chuck in a process chamber. The method further includes adjusting a distance between a gas dispenser positioned above the wafer chuck and an upper edge ring surrounding the wafer chuck. The method also includes producing a plasma for processing the first semiconductor wafer by exciting a gas dispenser from the gas dispenser after the adjustment. In addition, the method includes removing the first semiconductor wafer from the process chamber.

Abstract: A circuit system and a circuit control method applied to a motor drive are disclosed. The circuit control method includes the steps of providing a phase-locked circuit unit and providing a PWM control unit. The phase-locked circuit unit enables a first carrier signal and a second carrier signal to have identical amplitudes and starting points. The PWM control unit compares the first carrier signal with a reference signal for controlling a switch. When a load current is independently supplied by at least one DC capacitor, a SVPWM control unit controls an inverter unit for the load current to be zero, thereby reducing DC voltage ripple, operation loss and transient voltage surge.

Abstract: A motor and a rotor structure thereof are disclosed. The rotor structure includes a rotor core. The rotor core has a plurality of magnetic member units arranged around a periphery of the rotor core. Each magnetic member unit includes two first magnetic members and a second magnetic member. The two first magnetic members are obliquely arranged in a V shape relative to a center of the rotor core. The second magnetic member extends transversely between the two first magnetic members. Each first magnetic member has at least two permanent magnets that are arranged obliquely. The motor further includes a stator core covering the rotor core. The stator core has a plurality of stator windings arranged annularly. The stator windings correspond to the magnetic member units. The rotor structure has high structural strength, and the phenomenon of stress concentration is less obvious when the motor is running.

Abstract: Various embodiments provide a charging device for charging a smoking substitute device, the charging device comprising: a housing having a holder for receiving a smoking substitute device; a charging assembly comprising a first connection interface arranged for connection to the smoking substitute device when the smoking substitute device is received in the holder, and a second connection interface arranged for connection to an external device; wherein the charging assembly is configured to charge the smoking substitute device when the smoking substitute device is connected to the first connection interface, and to charge the external device when the external device is connected to the second connection interface.

Abstract: The present disclosure relates to an aerosol delivery device and system, e.g., a smoking substitute device and system. In particular an aerosol delivery device, comprising: a source of power, for providing power to a heater; a first charging connection, for charging the source of power, located at a first end of the aerosol delivery device; and a second charging connection, for charging the source of power.

Abstract: A motor and a rotating shaft cooling device thereof are disclosed. A rotating shaft of the motor is formed with an annular space. A shaft has a front end and a rear end. The shaft is a blind tube formed with a channel communicating with the annular space through a plurality of nozzles. The distance between the nozzles and the rear end is less than one-half of the length of the shaft. A cooling fluid flows through the nozzles to form a jet array to impinge on the inner wall of the rotating shaft to cool the rotating shaft, and flows back in the annular space to enhance the cooling effect, increase the heat exchange area, and improve the cooling effectiveness of the rotating shaft.

Abstract: In a method, a first dielectric layer is formed over semiconductor fins, a second dielectric layer is formed over the first dielectric layer, the second dielectric layer is recessed below a top of each of the semiconductor fins, a third dielectric layer is formed over the recessed second dielectric layer, and the third dielectric layer is recessed below the top of the semiconductor fin, thereby forming a wall fin. The wall fin includes the recessed third dielectric layer and the recessed second dielectric layer disposed over the recessed third dielectric layer. The first dielectric layer is recessed below a top of the wall fin, a fin liner layer is formed, the fin liner layer is recessed and the semiconductor fins are recessed, and source/drain epitaxial layers are formed over the recessed semiconductor fins, respectively. The source/drain epitaxial layers are separated by the wall fin from each other.

Abstract: The present disclosure provides a stator and winding assembly thereof. The stator includes a stator core including a tube wall and a hollow portion and a winding assembly. The winding assembly is disposed in the hollow portion and includes a first winding group and a second winding group. The first winding group includes plural winding units disposed on an inner side of the tube wall and defining an outer layer. The second winding group includes plural winding units disposed on an inner side of the outer layer and defining an inner layer. Any one of the projections of the winding units at the inner layer is partially overlapped with the projections of the two adjacent winding units at the outer layer. A number of turns of the winding units of the first winding group is equal to or greater than that of the winding units of the second winding group.

Abstract: Disclosed are gaming systems, methods and machines for a gaming cabinet configuration. In particular, the gaming systems, methods and machines may incorporate gaming cabinets that include one or more curved or arcuate screens, one or more candles integrated into the gaming cabinet, and/or one or more diffuse lighting elements to provide lighting features or effects.

Abstract: A method includes forming a first portion of a spacer layer over a first fin and a second portion of the spacer layer over a second fin, performing a first etching process to recess the first portion of the spacer layer with respect to the second portion of the spacer layer to form first spacers on sidewalls of the first fin, subsequently performing a second etching process to recess the second portion of the spacer layer with respect to the first spacers to form second spacers on sidewalls of the second fin, where the second spacers are formed to a height greater than that of the first spacers, and forming a first epitaxial source/drain feature and a second epitaxial source/drain feature between the first spacers and the second spacers, respectively, where the first epitaxial source/drain feature is larger than that of the second epitaxial source/drain feature.

Abstract: A output shaft rotation restriction structure of a hand-held machine tool having a shell, a drive shaft in the shell, and an output shaft in the shell, perpendicular to the drive shaft, provided with a grinding piece, and in linkage with the drive shaft via a steering gear set; two sides of the hand-held machine tool may be defined according to an extension line of the drive shaft. The output shaft rotation restriction structure includes a mounting hole on the shell, specifically, one of the two sides of the hand-held machine tool, a restriction hole on the output shaft and facing the mounting hole, and a rotation restriction group including a holder in the mounting hole, a restriction plug on the holder, and a spring, the restriction plug being forced into the restriction hole to interfere with the rotation of the output shaft.

Abstract: A method of forming a semiconductor device includes: forming a fin protruding above a substrate; forming a gate layer over the fin; and patterning the gate layer in a plasma etching tool using a plasma etching process to form a gate over the fin, where patterning the gate layer includes: turning on and off a top radio frequency (RF) source of the plasma etching tool alternately during the plasma etching process; and turning on and off a bottom RF source of the plasma etching tool alternately during the plasma etching process, where there is a timing offset between first time instants when the top RF source is turned on and respective second time instants when the bottom RF source is turned on.

Abstract: A circuit system and a circuit control method applied to a motor drive are disclosed. The circuit control method includes the steps of providing a phase-locked circuit unit and providing a PWM control unit. The phase-locked circuit unit enables a first carrier signal and a second carrier signal to have identical amplitudes and starting points. The PWM control unit compares the first carrier signal with a reference signal for controlling a switch. When a load current is independently supplied by at least one DC capacitor, a SVPWM control unit controls an inverter unit for the load current to be zero, thereby reducing DC voltage ripple, operation loss and transient voltage surge.

Abstract: A new approach is proposed to support grouping and storing a data stream based on the types of data items in the stream for efficient data batch processing and analysis. First, the data stream is uploaded to a cloud storage, wherein the stream of data includes a plurality of data items of different types generated by and collected from different users and/or devices. The data items are then retrieved, grouped and saved by a preprocessing unit into a plurality of batch data queues, wherein data items in each batch data queue are of the same type. One or more batch processing units are then configured to fetch and batch process data items from the batch data queues and store these data items of the same data type to one or more cloud storage files for further processing and analysis on the cloud storage one batch data queue at a time.

Abstract: A protective cover assembled on an abrasive belt hand tool. The protective cover comprises an annular base and a tightening component. The annular base comprises a notch, a first clamping arm positioned on one side of the notch, and a second clamping arm positioned on the other side. The first clamping arm is formed with a through hole, the second clamping arm is formed with an assembly hole, the assembly hole does not penetrating through the second clamping arm. The annular base comprises a first state for tightening a protective cover mounting portion when the first clamping arm and the second clamping arm narrow the notch, and the annular base comprises a second state that the first clamping arm and the second clamping arm do not narrow the notch. The tightening component comprises a pull rod penetrating through the through hole and a piece arranged on the pull rod.

Abstract: A motor, a cooling device, and a cooling method are disclosed. The cooling device is mounted on a stator of the motor. The cooling device includes a sleeve and a spiral duct. A wall of the sleeve has a spiral groove extending along the sleeve. The sleeve is sleeved onto the stator. The spiral duct is mounted in the spiral groove. The spiral duct has a first spiral form corresponding to the spiral groove, so that the spiral duct is correspondingly installed in the spiral groove. The spiral duct has a second spiral form extending along the spiral duct. A twisted spiral cooling channel is formed along the spiral pathway. A cooling fluid flowing through the twisted spiral cooling channel is subjected to the continuously changing cross-section of the twisted spiral cooling channel to enhance the swirl intensity, thereby improving the convection heat transfer effectiveness.

Abstract: Disclosed are gaming systems, methods and machines for a gaming cabinet configuration. In particular, the gaming systems, methods and machines may incorporate gaming cabinets that include one or more curved or arcuate screens, one or more candles integrated into the gaming cabinet, and/or one or more diffuse lighting elements to provide lighting features or effects.

Abstract: A motor and a spoke-type rotor structure thereof are disclosed. The rotor structure comprises a rotor core which has a plurality of spoke-type first magnetic members. Two oblique second magnetic members arranged in a V shape are provided between every adjacent two of the first magnetic members. A radius of the rotor core is R. A length of the first magnetic member is ls. A length of the second magnetic member is lv. A length component of the second magnetic member on the radius of the rotor core is x. An included angle between the first magnetic member and the second magnetic member is ?. An included angle between every adjacent two of the first magnetic members is ?. The parameters satisfy: ls+x<R, wherein x=lv·cos(180°??); 90°+?/2<?<180°.