Abstract: A liquid cooling device is applied to a plurality of optical transceivers of an electronic apparatus. The liquid cooling device includes a main body, a channel module and a tube module. The main body has an accommodating structure, an inlet structure and an outlet structure. The inlet structure and the outlet structure are connected to the accommodating structure. The main body covers at least a part of the plurality of optical transceivers. The channel module is disposed inside the accommodating structure. The tube module has an inlet tube and an outlet tube respectively disposed on the inlet structure and the outlet structure.

Abstract: An apparatus such as a power converter includes a first flying capacitor operative to store a first flying capacitor voltage; a second flying capacitor operative to store a second flying capacitor voltage; an inductor providing coupling between the first flying capacitor and the second flying capacitor; and a network of switches operative to, in accordance with control signals, produce an output voltage via the first flying capacitor voltage and the second flying capacitor voltage.

Abstract: Operations in fabricating a Fin FET include providing a substrate having a fin structure, where an upper portion of the fin structure has a first fin surface profile. An isolation region is formed on the substrate and in contact with the fin structure. A portion of the isolation region is recessed by an etch process to form a recessed portion and to expose the upper portion of the fin structure, where the recessed portion has a first isolation surface profile. A thermal hydrogen treatment is applied to the fin structure and the recessed portion. A gate dielectric layer is formed with a substantially uniform thickness over the fin structure, where the recessed portion is adjusted from the first isolation surface profile to a second isolation surface profile and the fin structure is adjusted from the first fin surface profile to a second fin surface profile, by the thermal hydrogen treatment.

Abstract: A semiconductor device includes a semiconductor fin. The semiconductor device includes a first silicon oxide layer contacting the semiconductor fin at a first interface and including nitrogen at a first concentration. The semiconductor device includes a second silicon oxide layer contacting the first silicon oxide layer at a second interface and including nitrogen at a second concentration that is greater than the first concentration.

Abstract: An endodontic robotic surgical system is provided. The endodontic robotic surgical system includes a robot arm and an endodontic robotic surgical assembly electrically connected to the robot arm. The endodontic robotic surgical assembly includes a multiple-axis force sensing device, a treatment assembly and an assistive device. The treatment assembly includes a housing, a drawstring-positioning structure disposed on the housing, a plurality of drawstrings connected to the drawstring-positioning structure, and an endodontic surgical element fitted to the housing. The drawstring-positioning structure is electrically connected to the multiple-axis force sensing device. The assistive device is adapted to be put on a tooth structure in a human oral cavity. The drawstrings are connected to different points on the assistive device. An endodontic robotic surgical assembly is further provided.

Abstract: An angle sensing device includes a base, a rotation shaft, a detected target, and a proximity sensor. The rotation shaft is rotatably arranged on the base, and includes a side surface and a virtual axis. The detected target is arranged on the side surface, and an outer contour of a cross section of the detected target along a radial direction of the rotation shaft includes a first detected position and a second detected position, where a distance of the first detected position with respect to the virtual axis is different from that of the second detected position. The proximity sensor is fixedly arranged on the base and faces the detected target. When the detected target rotates together with the rotation shaft, the proximity sensor emits light toward the detected target and detects reflected light from the outer contour of the detected target to generate measurement data.

Abstract: A multi-channel payment method for a multi-channel payment system comprises the payer or the payee who initiated the payment request logs in to the multi-channel payment system; the payer or the payee who initiated the payment request placing an order in the multi-channel payment system, wherein the order comprises a designated payment gateway; the multi-channel payment system determining a predicted fee of the order according to the designated payment gateway, past order records, and a real-time exchange rate; the multi-channel payment system performing an anti-money laundering verification of the order; the payer reviewing the order and the predicted fee through a multiple auditing method; and the multi-channel payment system executing payment from the payer to the payee according to the order and the designated payment gateway, and storing a payment detail of the order.

Abstract: An apparatus includes a plurality of switches connected in parallel between an input terminal and an output terminal of a power bus, a plurality of current sensing circuits coupled to the plurality of switches, wherein each current sensing circuit is coupled to a corresponding switch, and a plurality of current sharing circuits configured to receive current sensing signals from the plurality of current sensing circuits and generate a plurality of gate drive signals to control the plurality of switches so as to achieve a predetermined current distribution among the plurality of switches.

Abstract: An immersion cooling unit including a cooling tank, a first cooling unit, and a second cooling unit is provided. The cooling tank includes an accommodating portion and a top. The immersion cooling unit is a single-phase cooling unit. The first cooling unit is connected to the cooling tank. The first cooling unit and the second cooling unit are disposed opposite to each other. The second cooling unit includes a cover portion and a connection portion. The cover portion is connected to the top of the cooling tank and covers the accommodating portion. The connection portion is connected to the cover portion and located in the accommodating portion. In addition, an electronic apparatus is further provided.

Abstract: An example circuit includes a loop controller having current phase inputs, a feedback input, a control loop output and a transient event output. The feedback input is adapted to be coupled to an output terminal of a multi-phase power stage. A PWM circuit has a blanking input, a control input and a PWM output, the control input coupled to the control loop output. A phase management circuit has a transient detect input, a PWM input, a blanking output and phase outputs. The transient detect input is coupled to the transient event output. The PWM input is coupled to the PWM output and the blanking output is coupled to the blanking input. Each of the phase outputs is adapted to be coupled to a respective phase of the multi-phase power stage. The phase management circuit is configured to provide a blanking control signal representative of a variable blanking time.

Abstract: An apparatus such as a power converter includes a first flying capacitor operative to store a first flying capacitor voltage; a second flying capacitor operative to store a second flying capacitor voltage; an inductor providing coupling between the first flying capacitor and the second flying capacitor; and a network of switches operative to, in accordance with control signals, produce an output voltage via the first flying capacitor voltage and the second flying capacitor voltage.

Abstract: A liquid cooling device is applied to a plurality of optical transceivers of an electronic apparatus. The liquid cooling device includes a main body, a channel module and a tube module. The main body has an accommodating structure, an inlet structure and an outlet structure. The inlet structure and the outlet structure are connected to the accommodating structure. The main body covers at least a part of the plurality of optical transceivers. The channel module is disposed inside the accommodating structure. The tube module has an inlet tube and an outlet tube respectively disposed on the inlet structure and the outlet structure.

Abstract: Described embodiments include a voltage regulator circuit comprising a first comparator having a first comparator input coupled to a waveform input source, a second comparator input coupled to an output voltage terminal and a first comparator output. There is a second comparator having third and fourth comparator inputs and a second comparator output, the third comparator input coupled to a voltage source configured to provide a voltage representing a current limit, and the fourth comparator input coupled to the output voltage terminal. There is also a state machine having a first state machine input coupled to the first comparator output, a second state machine input coupled to the second comparator output and a state machine output, wherein a state of the state machine is determined by the first and second comparator outputs, and the state machine output provides a PWM signal responsive to the state of the state machine.

Abstract: A method and system for fabricating a three-dimensional power module packaging structure is provided. The power module packaging method incorporates a one-time SMD-molding process, which simultaneously connects bare semiconductor dies and conductive pillars to the PCB substrate directly.

Abstract: A parameter optimization device includes a data acquisition module, a sampling function calculation module, a clustering module and a parameter recommendation module. The data acquisition module is configured to acquire several input parameter values and corresponding several measurement output values. The sampling function calculation module is configured to obtain several sampling function values according to the input parameter values and the measurement output values. The clustering module is configured to obtain several parameter groups according to the input parameter values and the sampling function values. The parameter recommendation module is configured to obtain several recommended parameter values from at least one of the parameter groups.

Abstract: An example circuit includes a loop controller having current phase inputs, a feedback input, a control loop output and a transient event output. The feedback input is adapted to be coupled to an output terminal of a multi-phase power stage. A PWM circuit has a blanking input, a control input and a PWM output, the control input coupled to the control loop output. A phase management circuit has a transient detect input, a PWM input, a blanking output and phase outputs. The transient detect input is coupled to the transient event output. The PWM input is coupled to the PWM output and the blanking output is coupled to the blanking input. Each of the phase outputs is adapted to be coupled to a respective phase of the multi-phase power stage. The phase management circuit is configured to provide a blanking control signal representative of a variable blanking time.

Abstract: An endodontic robotic surgical system is provided. The endodontic robotic surgical system includes a robot arm and an endodontic robotic surgical assembly electrically connected to the robot arm. The endodontic robotic surgical assembly includes a multiple-axis force sensing device, a treatment assembly and an assistive device. The treatment assembly includes a housing, a drawstring-positioning structure disposed on the housing, a plurality of drawstrings connected to the drawstring-positioning structure, and an endodontic surgical element fitted to the housing. The drawstring-positioning structure is electrically connected to the multiple-axis force sensing device. The assistive device is adapted to be put on a tooth structure in a human oral cavity. The drawstrings are connected to different points on the assistive device. An endodontic robotic surgical assembly is further provided.

Abstract: Described embodiments include a voltage regulator circuit comprising a first comparator having a first comparator input coupled to a waveform input source, a second comparator input coupled to an output voltage terminal and a first comparator output. There is a second comparator having third and fourth comparator inputs and a second comparator output, the third comparator input coupled to a voltage source configured to provide a voltage representing a current limit, and the fourth comparator input coupled to the output voltage terminal. There is also a state machine having a first state machine input coupled to the first comparator output, a second state machine input coupled to the second comparator output and a state machine output, wherein a state of the state machine is determined by the first and second comparator outputs, and the state machine output provides a PWM signal responsive to the state of the state machine.

Abstract: A robotic surgery system includes: (1) a positioning stage and (2) at least one manipulator arm mounted to the positioning stage, wherein the manipulator arm includes a track and a tool carriage moveably mounted to the track, and the tool carriage includes a base and a pair of light emitting devices mounted to the base.

Abstract: A fixing mechanism, applied to an electronic device to fix an electronic module. The fixing mechanism comprises a casing, a fixing structure and a locking structure. The casing includes a baseplate and a side plate to define a space to accommodate the electronic module, and the side plate has a hole and a seat. The fixing structure includes a fixing element and a pressing portion. The fixing element movably extends from the outer side of the side plate into the space through the hole. The pressing portion is rotatably disposed on the combining seat, and includes a first part having an opening and a second part corresponding to the fixing element. The locking structure is movably set in the opening, and includes an engaging element. When the engaging element is engaged in the opening, the locking structure presses against the side plate to fix the pressing portion.