Abstract: A semiconductor device includes a substrate, a channel layer, a first barrier layer, a source/drain contact, and a gate layer. The channel layer is on the substrate. The first barrier layer is on the channel layer and the thickness of the first barrier layer is less than 6 nm. The source/drain contact is on the first barrier layer and is directly contact with the first barrier layer. The gate layer is over the first barrier layer.

Abstract: A high electron mobility transistor includes a growth substrate, a lattice matching layer, an back-barrier layer, an electron blocking layer, a channel layer, an active layer, a source, a gate, and a drain. The lattice matching layer and the back-barrier layer are formed on the growth substrate. The back-barrier layer includes GaN doped with C. The electron blocking layer is formed on the back-barrier layer. The electron blocking layer includes AlGaN, wherein the doping percent of Al atoms of the AlGaN is 3˜5% and the doping percent of Ga atoms of the AlGaN is 95˜97%. The electron blocking layer has a thickness of 2˜5 nm. The channel layer and the active layer are formed on the electron blocking layer. The source, the gate, and the drain are formed on the active layer.

Abstract: A high electron mobility transistor and a method for fabricating the same is disclosed. Firstly, a lattice matching layer, a channel layer, and an AlGaN layer are sequentially formed on a growth substrate. The AlGaN layer includes a first area, a second area, and a third area, wherein the second area is located between the first area and the third area. Then, an insulation block is formed on the second area of the AlGaN layer and two GaN blocks are respectively formed on the first area and the third area of the AlGaN layer. Two InAlGaN blocks are respectively formed on the GaN blocks and the insulation block is removed. Finally, a gate is formed to interfere the second area of the AlGaN layer and a source and a drain are respectively formed on the InAlGaN blocks.

Abstract: The present invention relates to a hydroxamate compound represented by formula (I), a preparation method therefor, and an application thereof. The present invention also relates to a pharmaceutical composition comprising the compound as an active ingredient and a use of the compound or pharmaceutical composition for treating and/or preventing related diseases mediated by TYK2.

Abstract: A package structure including a semiconductor die, a redistribution circuit structure and an electronic device is provided. The semiconductor die is laterally encapsulated by an insulating encapsulation. The redistribution circuit structure is disposed on the semiconductor die and the insulating encapsulation. The redistribution circuit structure includes a colored dielectric layer, inter-dielectric layers and redistribution conductive layers embedded in the inter-dielectric layers. The electronic device is disposed over the colored dielectric layer and electrically connected to the redistribution circuit structure.

Abstract: A semiconductor package including one or more dam structures and the method of forming are provided. A semiconductor package may include an interposer, a semiconductor die bonded to a first side of the interposer, an encapsulant on the first side of the interposer encircling the semiconductor die, a substrate bonded to the a second side of the interposer, an underfill between the interposer and the substrate, and one or more of dam structures on the substrate. The one or more dam structures may be disposed adjacent respective corners of the interposer and may be in direct contact with the underfill. The coefficient of thermal expansion of the one or more of dam structures may be smaller than the coefficient of thermal expansion of the underfill.

Abstract: A fusible disconnect switch device is provided. The disconnect switch a switch actuator, a handle bias element, and a slider assembly. The switch actuator is selectively positioned between an opened position and a closed position. The handle bias element includes a first end acting on the switch actuator and a second end coupled to the switch housing. The slider assembly is linked to the switch actuator. The slider assembly includes a first slider and a second slider each slidably movable with respect to the switch housing along a linear axis. The first slider is independently movable relative to the second slider. The handle bias element and the slider assembly are responsive to the position of the switch actuator to effect the switch closing operation and a switch opening operation.

Abstract: A fusible disconnect switch device is provided. The disconnect switch a switch actuator, an actuator bias element, and a slider assembly. The switch actuator is selectively positionable between an opened position and a closed position. The actuator bias element includes a first end acting on the switch actuator and a second end coupled to the switch housing. The slider assembly is linked to the switch actuator. The slider assembly includes a first slider and a second slider each slidably movable with respect to the switch housing along a linear axis. The first slider is independently movable relative to the second slider. The actuator bias element and the slider assembly are responsive to the position of the switch actuator to effect the switch closing operation and a switch opening operation.

Abstract: An exposure mask is provided. The exposure mask includes a plurality of pattern blocks for defining a plurality of pattern profiles. Each pattern block includes a plurality of pattern units having mask patterns, and the mask patterns are formed in an asymmetric arrangement. The exposure mask may be a binary exposure mask for forming pattern profiles with curved surfaces.

Abstract: Aspects of the present disclosure describe the localization of a utility pole by distributed fiber sensing of aerial fiber cable suspended from the utility pole.

Abstract: A fusible disconnect switch device is provided. The disconnect switch a switch actuator, a handle bias element, and a slider assembly. The switch actuator is selectively positionable between an opened position and a closed position. The handle bias element includes a first end acting on the switch actuator and a second end coupled to the switch housing. The slider assembly is linked to the switch actuator. The slider assembly includes a first slider and a second slider each slidably movable with respect to the switch housing along a linear axis. The first slider is independently movable relative to the second slider. The handle bias element and the slider assembly are responsive to the position of the switch actuator to effect the switch closing operation and a switch opening operation.

Abstract: A method for forming a micro-lens array is provided. According to the method, a substrate is provided, and a hard-mask layer is formed. A lithography process is performed on the hard-mask layer by a hard-mask to form a first pattern and a second pattern. Then, the first pattern and the second pattern are reflowed to form a first lens structure and a second lens structure respectively. The photomask includes a first pattern segment and a second pattern segment, and the second pattern segment includes a transparent region and an opaque region. An area of the transparent region of the second pattern segment is larger than 18% of an area of the second pattern segment.

Abstract: Embodiments of the present technology may include a tubular product for oilfield applications. The tubular product may include a tubular substrate, which may include a ferrous alloy. The tubular substrate may have an inner surface characterized by an inner diameter and an outer surface characterized by an outer diameter. The tubular product may also include a first layer deposited over at least one of the inner surface or the outer surface. The first layer may include aluminum. The tubular product may further include a second layer, which may include aluminum oxide formed by micro arc oxidation of a portion of the first layer.

Abstract: A filtering device includes a low-pass filter (LPF), a noise estimation circuit and a first combining circuit. The LPF receives and filters a pre-filtering signal to generate an output signal of the filtering device. The noise estimation circuit estimates an estimated noise signal according to the output signal and the pre-filtering signal. The first combining circuit subtracts the estimated noise signal from an input signal of the filtering device to generate the pre-filtering signal.

Abstract: A method for forming a micro-lens array is provided. According to the method, a substrate is provided, and a hard-mask layer is formed. A lithography process is performed on the hard-mask layer by a hard-mask to form a first pattern and a second pattern. Then, the first pattern and the second pattern are reflowed to form a first lens structure and a second lens structure respectively. The photomask includes a first pattern segment and a second pattern segment, and the second pattern segment includes a transparent region and an opaque region. An area of the transparent region of the second pattern segment is larger than 18% of an area of the second pattern segment.

Abstract: A filtering device includes a low-pass filter (LPF), a noise estimation circuit and a first combining circuit. The LPF receives and filters a pre-filtering signal to generate an output signal of the filtering device. The noise estimation circuit estimates an estimated noise signal according to the output signal and the pre-filtering signal. The first combining circuit subtracts the estimated noise signal from an input signal of the filtering device to generate the pre-filtering signal.

Abstract: Surge protection modules and switch bases separately provided from the surge protection modules facilitate plug-in installation and removal of the surge protection modules as well as disconnect switching capability to facilitate maintenance and service events in an electrical power system without de-energizing circuitry connected to the switch bases.

Abstract: A central-string inverter device is provided, including a container and multiple string inverters installed in the container. The multiple string inverters are arranged in two rows located respectively on two opposite sides of the container. An intermediate duct is formed between the two rows of string inverters. An air outlet is arranged on each of side walls of the two opposite sides of the container. An air inlet is arranged on each of side walls of the other two opposite sides of the container or on a bottom wall of the container. Pulling structures corresponding to the multiple string inverters are arranged on the side walls of the two opposite sides of the container. Each string inverter is installed or removed through the pulling structure.

Abstract: A central-suing inverter device is provided, including a container and multiple string inverters installed in the container. The multiple string inverters are arranged in two rows located respectively on two opposite sides of the container. An intermediate duct is formed between the two rows of string inverters. An air outlet is arranged on each of side walls of the two opposite sides of the container. An air inlet is arranged on each of side walls of the other two opposite sides of the container or on a bottom wall of the container. Pulling structures corresponding to the multiple suing inverters are arranged on the side walls of the two opposite sides of the container. Each suing inverter is installed or removed through the pulling structure.

Abstract: A photovoltaic inverter system is provided, in which multiple independent inverter units are arranged in a housing, and each of the independent inverter units has independent MPPT function, such that the PV inverter system have multiple MPPT control. In the complex scene such as hills, a maximum power generation of each photovoltaic string can be realized to ensure system energy yield in a case of partial shading or inconsistent orientation. Since independent inverter units are all arranged in the housing, it is convenient for the installation, operation and maintenance.