Abstract: A half-bridge circuit package structure includes a chip pad, a first metal island, a driving chip, an upper bridge switch, and a lower bridge switch. The driving chip includes a ground pad and a high side ground pad. The upper bridge switch includes a first enhancement mode transistor and a first depletion mode transistor. A drain pad of the first depletion mode transistor is electrically connected to the first metal island. The lower bridge switch includes a second enhancement mode transistor and a second depletion mode transistor. A source pad of the second depletion mode transistor is electrically connected to a drain pad of the second enhancement mode transistor. A drain pad of the second depletion mode transistor is electrically connected to the first metal island.

Abstract: A circuit board structure for mobile PCI express module is applied to conform to PCI Express 4.0 specification. The circuit board structure includes a top signal layer and a bottom signal layer with a core and a conductive copper wire, a power supply layer disposed between the top signal layer and the bottom signal layer, a plurality of first insulating layers disposed between the top signal layer and the power supply layer and between the bottom signal layer and the power supply layer, and a plurality of second insulating layers disposed between the power supply layer and the first insulating layers. The dielectric loss values of the first insulating layer and the second insulating layer are between 0.004 and 0.014, and the length of the conductive cooper wire is between 500 and 2500 mil, so that the signal loss of the mobile PCI express module is less than 8 dB.

Abstract: A storage device sharing system and a storage device sharing method are provided. The storage device sharing system includes a storage device, a first chip and a second chip. The first chip and the second chip are configured to enter a toggle mode and an arbitration mode. In the toggle mode, the first chip that acts as the master controls the arbitration potential to a first control potential and a second control potential, and communicates with the storage device in response to the arbitration potential being the first control potential, and the second chip that acts as a slave communicates with the storage device in response to the arbitration potential being the second control potential.

Abstract: A mechanical arm system includes at least two links, at least two control devices and at least two motor devices. Each of the control devices includes a first control unit, a mechanical arm control unit and a driving unit. The first control unit receives an end-position command to output a first torque signal. The mechanical arm control unit includes a rigid mechanical unit and a mechanical model unit. The rigid mechanical unit receives the first torque signal to obtain a rigid mechanical torque, and the mechanical model unit receives the rigid mechanical torque and operates the flexible mechanical model to establish the mechanical arm model for obtaining the target torque, and the target position signal is output according to the target torque. The driving unit generates a driving signal according to the target position signal to adjust a rotation angle of the corresponding motor device.

Abstract: A portable electronic apparatus including a first body, a second body, and a keyboard is provided. The second body is pivotally connected to the first body. The keyboard is disposed on the first body and includes a plurality of key structures. One of the key structures includes an elevating platform, a key cap, and a camera. The key cap is detachably mounted to the elevating platform, and the camera is mounted at one side of the key cap facing the elevating platform. After the camera is detached from the elevating platform together with the key cap, the camera is mounted and positioned to the second body together with the key cap, and at least a portion of the camera is exposed to the outside.

Abstract: The invention provides a method for forming a semiconductor structure, which comprises providing a substrate, sequentially a first groove and a second groove are formed in the substrate, the depth of the first groove is different from the depth of the second groove, a first oxide layer is formed in the first groove, a second oxide layer is formed in the second groove, an etching step is performed to remove part of the first oxide layer, a first gate structure is formed on the first oxide layer, and a second gate structure is formed on the second oxide layer.

Abstract: A detachable antenna and an electronic device are provided. The detachable antenna includes a connector, an antenna module, and a light-emitting module. The light-emitting module includes a light-emitting unit and a bias circuit. The bias circuit includes an input end, a first output end, and a second output end. The input end of the bias circuit receives a mixed signal from the connector. The mixed signal includes a communication signal and a drive signal. The first output end of the bias circuit outputs the communication signal to the antenna module. The second output end of the bias circuit outputs the drive signal to the light-emitting unit. The detachable antenna of the disclosure is integrated with the light-emitting module and receives the mixed signal from a single input end to implement communication and light emitting functions simultaneously.

Abstract: Provided are a method of conditional reconfiguration and a user equipment (UE) using the same. The method is adapted to a user equipment and includes the following steps. A conditional reconfiguration including at least one candidate cell is received. A notification to network is transmitted in response to a release condition corresponding to one of the at least one candidate cell is fulfilled.

Abstract: A wound-size measuring method for use in a portable electronic device is provided. The method includes the following steps: obtaining an input image via a camera device of the portable electronic device; using a CNN (convolutional neural network) model to recognize the input image, and selecting a part of the input image with the highest probability of containing a wound as an output wound image; and calculating an actual height and an actual width of the output wound image according to a lens-focal-length parameter reported by an operating system running on the portable electronic device, a plurality of reference calibration parameters corresponding to a pitch angle of the portable electronic device, and a pixel-height ratio and a pixel-width ratio of the output wound image.

Abstract: An epitaxial structure includes a substrate, a nucleation layer on the substrate, a buffer layer on the nucleation layer, and a nitride layer on the buffer layer. The nucleation layer consists of regions in a thickness direction, wherein a chemical composition of the regions is Al(1-x)InxN, where 0?x?1. A maximum value of the x value in the plurality of regions is the same, a minimum value of the x value in the plurality of regions is the same, and an absolute value of a gradient slope of each of the regions is 0.1%/nm to 50%/nm. A thickness of the nucleation layer is less than a thickness of the buffer layer. A roughness of a surface of the nucleation layer in contact with the buffer layer is greater than a roughness of a surface of the buffer layer in contact with the nitride layer.

Abstract: An epitaxial structure includes a substrate, a nucleation layer on the substrate, a buffer layer on the nucleation layer, and a nitride layer on the buffer layer. The nucleation layer consists of regions in a thickness direction, wherein a chemical composition of the regions is Al(1?x)InxN, where 0?x?1. A maximum value of the x value in the regions decreases along the thickness direction, and the x value in the chemical composition of each two regions consists of a fixed region and a gradient region, wherein a gradient slope of the gradient regions is ?0.1%/nm to ?50%/nm, and a stepwise slope of the fixed regions is ?0.1%/loop to ?50%/loop. A thickness of the nucleation layer is less than that of the buffer layer. A surface roughness of the nucleation layer in contact with the buffer layer is greater than that of the buffer layer in contact with the nitride layer.

Abstract: A method for electrolysis of water and a method for preparing a catalyst for electrolysis of water are provided. The method for electrolysis of water includes using a high entropy alloy as a catalyst. Further, the method for preparing a catalyst for electrolysis of water includes the steps of placing a substrate in an aqueous electrolyte containing a high entropy alloy precursor and performing an electroplating process on the substrate to form a high entropy alloy catalyst on the substrate.

Abstract: A smart mat includes a stepping potential generation unit, a computing processor and a transmission processor for sensing the stepping direction of a stepper to control the operation of a device. The stepping potential generation unit includes an upper mat, an isolating airgap layer, a lower mat and at least one high-resistance strips. When the stepper stands on the smart mat to press the stepping potential generation unit, a part of the stepping potential generation unit is pressed by an open-circuit state to form a closed circuit and generate a potential. The computing processor uses the distributed position of each potential and the time sequence of distributing each potential to compute and analyse a potential stepping process distribution area to obtain a stepping direction, so as to control the operation of the device through the transmission processor.

Abstract: A radio frequency rectifier circuit including a rectifier circuit and a controller circuit is provided. The rectifier circuit receives a radio frequency signal and converts the radio frequency signal into a direct-current voltage serving as an output voltage. The rectifier circuit includes multiple power stages and multiple switch circuits. Each of the switch circuits is coupled between two of the power stages. The controller circuit is coupled to the rectifier circuit. The controller circuit outputs a control signal to control a conduction number of the switch circuits according to a value of the output voltage.

Abstract: A method and a user equipment of performing resource switching in an unlicensed spectrum are provided. A current set of resources in the unlicensed spectrum is utilized by a UE for performing LBT attempts for transmission of an RACH message to a base station. One or more LBT attempts for transmissions from the UE to the base station are performed over the current set of resources during a current RACH procedure. The current set of resources is switched to a new set of resources in the unlicensed spectrum to be utilized by the UE in a new RACH procedure after a failure count reaches a pre-configured threshold during the current RACH procedure. The failure count is calculated at least based on a count of LBT failure over the current set of resources during the current RACH procedure.

Abstract: A coupled inductor having a body, wherein a first electrode and a second electrode are connected to a first coil, and a third electrode and a fourth electrode are connected to a second coil, wherein a first horizontal line segment passing through the first electrode and the second electrode and a second horizontal line segment passing through the third electrode and the fourth electrode crosses each other at a location inside the periphery of a bottom surface of the body.

Abstract: A method for removing boron is provided, which includes (a) mixing a carbon source material and a silicon source material in a chamber to form a solid state mixture, (b) heating the solid state mixture to a temperature of 1000° C. to 1600° C., and adjusting the pressure of the chamber to 1 torr to 100 torr. The method also includes (c) conducting a gas mixture of a first carrier gas and water vapor into the chamber to remove boron from the solid state mixture, and (d) conducting a second carrier gas into the chamber.

Abstract: An epitaxial structure includes a substrate, a nucleation layer, a buffer layer, and a nitride layer orderly. The nucleation layer consists of regions in a thickness direction, wherein a chemical composition of the regions is Al(1?x)InxN, where 0?x?1. The x value consists of four sections of variation along the thickness direction, in which a first fixed region has a maximum value, a first gradient region gradually changes from the maximum value to a minimum value, a second fixed region has the minimum value, and a second gradient region gradually changes from the minimum value to the maximum value. An absolute value of a gradient slope of the first and second gradient regions is 0.1%/nm to 50%/nm. A surface roughness of the nucleation layer in contact with the buffer layer is greater than that of the buffer layer in contact with the nitride layer.

Abstract: An apparatus connected to a Time-Sensitive Networking (TSN) switch in a TSN network is provided. The apparatus includes a transceiver, a storage medium, and a controller. The storage medium stores a first mapping of a traffic class to a time slot, and a second mapping of a frame type of a TSN stream to the traffic class. The controller is coupled to the transceiver and the storage medium, and is configured to determine a routing path and a Gate Control List (GCL) corresponding to the TSN stream based on a network topology of the TSN network, the first mapping, and the second mapping, and deploy the GCL to each TSN switch in the routing path via the transceiver.

Abstract: A single-phase immersion cooling system, comprising a fluid-tight containment vessel, dielectric thermally conductive fluid, at least a heat-generating electronic device, and heat exchanger system is provided. The heat exchanger system comprises a pump, heat exchanger, at least a first conduit, at least a second conduit, stand, and at least a propulsion-like apparatus. The at least a first and second conduits have first and second modifiable portions comprising first and second openings. The first and second openings are disposed near to greatest opposing ends of the dielectric thermally conductive fluid contained within the fluid-tight containment vessel generating at least a first flow channel for directing a first flow of the dielectric thermally conductive fluid. The at least a propulsion-like apparatus moves the dielectric thermally conductive fluid from one face to an opposite face in the same direction as the first flow, supplementing and enhancing circulation within the fluid-tight containment vessel.