Abstract: A field effect transistor includes a substrate having a transistor forming region thereon; an insulating layer on the substrate; a first graphene layer on the insulating layer within the transistor forming region; an etch stop layer on the first graphene layer within the transistor forming region; a first inter-layer dielectric layer on the etch stop layer; a gate trench recessed into the first inter-layer dielectric layer and the etch stop layer within the transistor forming region; a second graphene layer on interior surface of the gate trench; a gate dielectric layer on the second graphene layer and on the first inter-layer dielectric layer; and a gate electrode on the gate dielectric layer within the gate trench.

Abstract: A housing structure including a first housing and a second housing is provided. The first housing includes a first body and at least one metal fixing part protruding from the first body. The second housing includes a second body and at least one receiving part. The at least one metal fixing part leans against the at least one receiving part in a bent manner, such that the first housing is fixed on the second housing.

Abstract: Wireless local area network (WLAN) device testing that includes acquiring a data flow feature value used in testing a WLAN device, generating a WLAN simulation environment based on an interference environment index feature of the WLAN, controlling a data transmitter in the WLAN simulation environment to transmit a data packet based on the data flow feature value, acquiring a reception status of the data receiver device for the data packet, and based on the reception status of the data receiver device for the data packet, testing the network performance in the simulation environment.

Abstract: A printing head assembly for 3D printing and methods of using the same are provided. The printing head incorporates a backing means that can be shaped and positioned by use of an attractive force. This creates the possibility of embodiments in which the head can move in three dimensions, without the need to print each successive layer on the layer below. Methods of ensuring the security and integrity of the 3D printing process are also provided.

Abstract: This application provides a method for accessing a wireless network performed by an electronic device acting as a station (STA). The method includes: determining interference information of a target channel, the target channel being a channel currently connected between the STA and an access point (AP); determining a target network access parameter group corresponding to the interference information; disconnecting the target channel between the STA and the AP; and accessing the AP via a new channel established between the STA and the AP according to the target network access parameter group.

Abstract: A method of forming a semiconductor device includes the following steps. A first layer is provided, wherein a material of the first layer is amorphous or single crystal. A first conductive layer is directly deposited on the first layer, wherein the first conductive layer is in direct contact with the first layer, and a cross-sectional area of a grain of a material of the first conductive layer is larger than 500 nm2.

Abstract: A head-mounted display device assembly and an external adjustment module are provided. The head-mounted display device assembly includes a head-mounted display device and the external adjustment module. The head-mounted display device has a first lens and a second lens corresponding to both eyes, and also has a driven mechanism. The first lens and the second lens are respectively coupled to the driven mechanism. The external adjustment module is used for assembling and electrically connecting to the head-mounted display device, and includes a driving element and a transmission element. In a coupling state, the transmission element is coupled to the driving element and the driven mechanism, and the driving element drives the driven mechanism via the transmission element to adjust a distance between the first lens and the second lens. In a separation state, at least one of the driving element and the driven mechanism is separated from the transmission element.

Abstract: This invention provides a device for improving laser wavelength conversion efficiency and a laser system configured to provide high-power multi-wavelength femtosecond laser pulses using the device. The device for improving laser wavelength conversion efficiency comprises a wavelength conversion member photonic crystal fiber (PCF), wherein the device for improving laser wavelength conversion efficiency improves wavelength conversion efficiency by shortening the length of the PCF. The device provided in this invention not only reduces the attenuation and dispersion caused by the optical fiber, but also improves the energy conversion efficiency within a specific wavelength range. The use of the technique not only increases the energy of light pulse, but also greatly reduces the amount of fiber used, and can maximize the energy of the desired wavelength according to experimental requirements when using laser input sources of different wavelengths.

Abstract: A head-mounted display device assembly and an external adjustment module are provided. The head-mounted display device assembly includes a head-mounted display device and the external adjustment module. The head-mounted display device has a first lens and a second lens corresponding to both eyes, and also has a driven mechanism. The first lens and the second lens are respectively coupled to the driven mechanism. The external adjustment module is used for assembling and electrically connecting to the head-mounted display device, and includes a driving element and a transmission element. In a coupling state, the transmission element is coupled to the driving element and the driven mechanism, and the driving element drives the driven mechanism via the transmission element to adjust a distance between the first lens and the second lens. In a separation state, at least one of the driving element and the driven mechanism is separated from the transmission element.

Abstract: A training method and a system for a neural network model where the method includes the following steps: receiving an image data; performing a convolution calculation by using the image data; performing a non-linear calculation by using the image data; and performing a classification process based on a first result of the convolution calculation and a second result of the non-linear calculation. The first result is generated in accordance with plural sums of products of the image data and a mask. The second result is generated in accordance with the image data, another mask, a mathematical operator, and a non-linear operator. The system includes an I/O interface configured for receiving an image data and a processor configured for performing a convolution calculation, a non-linear calculation, and a classification process.

Abstract: Apparatus and methods for handling die carriers are disclosed. In one example, a disclosed apparatus includes: a load port configured to load a die carrier operable to hold a plurality of dies into a processing tool; and a lane changer coupled to the load port and configured to move at least one die in the die carrier to an input of the processing tool and transfer the at least one die into the processing tool for processing the at least one die.

Abstract: A conveyor includes an operative platform and a crane. The crane includes two lateral frames, a crossbar, a longitudinal bar, two extensible elements, and a vacuum chuck. The lateral frames are supported on the operative platform. The crossbar is supported on the lateral frames. The crossbar is movable between a first position and a second position. The longitudinal bar is connected to the crossbar. The extensible elements are connected to the longitudinal bar. The vacuum chucks are respectively connected to the extensible elements. One of the vacuum chucks is located beyond an end of the operative platform and the other vacuum chuck is located above the operative platform when the crossbar is in the first position. One of the vacuum chucks is located above the operative platform and the other vacuum chuck is located beyond another end of the operative platform when the crossbar is in the second position.

Abstract: A method for analyzing electromagnetic characteristic includes steps as follows. An electromagnetic evaluation model establishing step is performed, which includes establishing an object unit, a power transmitting unit, and a simulating unit. The object unit is an arbitrary geometry shape. The power transmitting unit has an electromagnetic signal. The simulating unit is defined as at least one base point emitting a plurality of beams to form a plurality of projection points. An electromagnetic reference model is provided, wherein the object unit and the power transmitting unit are combined to form the electromagnetic reference model. A comparing step is performed, wherein a radiation pattern data of the electromagnetic reference model and a radiation pattern data of the electromagnetic evaluation model are obtained by the electromagnetic signal, respectively, and the two radiation pattern data are compared to obtain an electromagnetic gain difference value.

Abstract: Apparatus and methods for handling die carriers are disclosed. In one example, a disclosed apparatus includes: a load port configured to load a die carrier operable to hold a plurality of dies into a processing tool; and a lane changer coupled to the load port and configured to move at least one die in the die carrier to an input of the processing tool and transfer the at least one die into the processing tool for processing the at least one die.

Abstract: A BLUETOOTH reconnection method is used in a BLUETOOTH connection system that includes a first device and a second device. The method includes that the first device sends a BLUETOOTH Low Energy (BLE) advertising signal to the second device after a BLUETOOTH connection between the first device and the second device is disconnected. If the second device determines that the received BLE advertising signal is a first BLE advertising signal, the second device does not page the first device, and waits to receive a page packet sent by the first device. If the second device determines that the received BLE advertising signal is a second BLE advertising signal, the second device actively pages the first device, and the first device waits to receive a page packet sent by the second device.

Abstract: A printing head assembly for 3D printing and methods of using the same are provided. The printing head incorporates a backing means that can be shaped and positioned by use of an attractive force. This creates the possibility of embodiments in which the head can move in three dimensions, without the need to print each successive layer on the layer below. Methods of ensuring the security and integrity of the 3D printing process are also provided.