Abstract: A conductive gate over a semiconductor fin is cut into a first conductive gate and a second conductive gate. An oxide is removed from sidewalls of the first conductive gate and a dielectric material is applied to the sidewalls. Spacers adjacent to the conductive gate are removed to form voids, and the voids are capped with a dielectric material to form air spacers.

Abstract: A method of forming a semiconductor device includes: forming a fin protruding above a substrate, where a top portion of the fin comprises a layer stack that includes alternating layers of a first semiconductor material and a second semiconductor material; forming a dummy gate structure over the fin; forming openings in the fin on opposing sides of the dummy gate structure; forming source/drain regions in the openings; removing the dummy gate structure to expose the first semiconductor material and the second semiconductor material under the dummy gate structure; performing a first etching process to selectively remove the exposed first semiconductor material, where after the first etching process, the exposed second semiconductor material form nanostructures, where each of the nanostructures has a first shape; and after the first etching process, performing a second etching process to reshape each of the nanostructures into a second shape different from the first shape.

Abstract: A semiconductor device includes a plurality of channel layers vertically separated from one another. The semiconductor device also includes an active gate structure comprising a lower portion and an upper portion. The lower portion wraps around each of the plurality of channel layers. The semiconductor device further includes a gate spacer extending along a sidewall of the upper portion of the active gate structure. The gate spacer has a bottom surface. Moreover, a dummy gate dielectric layer is disposed between the gate spacer and a topmost channel layer of plurality of channel layers. The dummy gate dielectric layer is in contact with a top surface of the topmost channel layer, the bottom surface of the gate spacer, and the sidewall of the gate structure.

Abstract: A semiconductor device structure and a manufacturing method thereof are provided. The semiconductor device structure includes a semiconductor substrate, semiconductor channel sheets disposed over the semiconductor substrate, and source and drain regions located beside the semiconductor channel sheets. A gate structure is disposed between the source and drain regions and disposed over the semiconductor channel sheets. The gate structure laterally surrounds the semiconductor channel sheets. The gate structure includes a top gate electrode structure disposed above the semiconductor channel sheets, and lower gate electrode structures disposed between the semiconductor channel sheets. Sidewall spacers are disposed between the gate structure and source and drain regions, and the sidewall spacers located next to the top gate electrode structure have slant sidewalls.

Abstract: A communication system includes an STB (Set-Top Box), an LNB (Low Noise Block Down Converter), and a voltage converter. The voltage converter is coupled between the STB and the LNB. The voltage converter includes a DC (Direct Current) switch element, a voltage regulator, and a controller. The DC switch element is coupled between an input node and an output node. The voltage regulator is coupled between the input node and the output node. The controller detects an input voltage at the input node. If the input voltage is higher than or equal to a threshold voltage, the controller will open the DC switch element. If the input voltage is lower than the threshold voltage, the controller will close the DC switch element.

Abstract: A communication system includes an STB (Set-Top Box), an LNB (Low Noise Block Down Converter), and a voltage converter. The voltage converter is coupled between the STB and the LNB. The voltage converter includes a DC (Direct Current) switch element, a voltage regulator, and a controller. The DC switch element is coupled between an input node and an output node. The voltage regulator is coupled between the input node and the output node. The controller detects an input voltage at the input node. If the input voltage is higher than or equal to a threshold voltage, the controller will open the DC switch element. If the input voltage is lower than the threshold voltage, the controller will close the DC switch element.

Abstract: A splitter includes an input terminal, a first output terminal, a second output terminal, a first transmitting unit including a first microstrip coupled between the input terminal and a first node, a second microstrip coupled between the input terminal and a second node, and a first resistor coupled between the first node and the second node, and a second transmitting unit including a third microstrip coupled between the first node and the first output terminal, a fourth microstrip coupled between the second node and the second output terminal, and a second resistor coupled between the first output terminal and the second output terminal, wherein lengths of the first microstrip and the second microstrip are related to a first frequency, and lengths of the third microstrip and the fourth microstrip are related to a second frequency.

Abstract: A temperature compensating device for providing active bias for an amplifier includes a voltage source, a plurality of loads, and a current generator for generating a current for the amplifier according to voltages provided by the voltage source and the plurality of loads, wherein a first load of the plurality of loads is a thermistor utilized for keeping the current within a specified range under a plurality of ambient temperatures.

Abstract: A splitter includes an input terminal, a first output terminal, a second output terminal, a first transmitting unit including a first microstrip coupled between the input terminal and a first node, a second microstrip coupled between the input terminal and a second node, and a first resistor coupled between the first node and the second node, and a second transmitting unit including a third microstrip coupled between the first node and the first output terminal, a fourth microstrip coupled between the second node and the second output terminal, and a second resistor coupled between the first output terminal and the second output terminal, wherein lengths of the first microstrip and the second microstrip are related to a first frequency, and lengths of the third microstrip and the fourth microstrip are related to a second frequency.

Abstract: A band converter consists of a band-pass filter, a band-stop filter, a first power distributor, a local oscillator, a mixer, a switch circuit, a high-pass filter, a second power distributor, and a low-pass filter. The band-pass filter and the band-stop filter respectively filter a down-converted input signal to generate a first filtered signal and a second filtered signal. The first power distributor is coupled to the band-stop filter. The mixer is coupled to the first power distributor and the local oscillator. The switch circuit is coupled to the first power distributor and the mixer. The high-pass filter is coupled to the switch circuit. The second power distributor is coupled to the band-pass filter and the high-pass filter. The low-pass filter is coupled to the second power distributor.

Abstract: A temperature compensating device for providing active bias for an amplifier includes a voltage source, a plurality of loads, and a current generator for generating a current for the amplifier according to voltages provided by the voltage source and the plurality of loads, wherein a first load of the plurality of loads is a thermistor utilized for keeping the current within a specified range under a plurality of ambient temperatures.

Abstract: Disclosed herein is a transparent optical element for changing a propagation direction of light. The transparent optical element includes a light-receiving surface and a light-emitting surface. The light-receiving surface is formed thereon with a first recess having a bottom surface and a second recess located thereon. The second recess has a lateral surface connected to the bottom surface such that a first angle of about 90 degrees to less than 180 degrees is formed between the bottom surface and the lateral surface. An indicator light comprising the transparent optical element is also disclosed.

Abstract: A band converter consists of a band-pass filter, a band-stop filter, a first power distributor, a local oscillator, a mixer, a switch circuit, a high-pass filter, a second power distributor, and a low-pass filter. The band-pass filter and the band-stop filter respectively filter a down-converted input signal to generate a first filtered signal and a second filtered signal. The first power distributor is coupled to the band-stop filter. The mixer is coupled to the first power distributor and the local oscillator. The switch circuit is coupled to the first power distributor and the mixer. The high-pass filter is coupled to the switch circuit. The second power distributor is coupled to the band-pass filter and the high-pass filter. The low-pass filter is coupled to the second power distributor.

Abstract: An expandable wireless transceiver is provided. The expandable wireless transceiver includes an antenna, a receiver, a transmitter and a switch connector. The antenna detects an electromagnetic signal in surrounding space and receives a signal with a first central frequency according to the detection result. The receiver receives the signal based on the detection result of the antenna. The transmitter outputs a radio-frequency signal. A third connection terminal of the switch connector provides a connective path to an expansion antenna. According to the coupling condition of the third connection terminal, the switch connector delivers the radio-frequency signal to its second connection terminal or third connection terminal. Thus, the radio-frequency signal with a second central frequency is transmitted to surrounding space through the antenna or the expansion antenna, wherein the second central frequency and the first central frequency are both in a specific band.

Abstract: A current detector with variable output voltage level. The current detector includes an operational amplifier, an adjusting circuit, a load circuit for detecting current running therethrough, and a clamping circuit. The operational amplifier includes a non-inverting input, an inverting input, and an output. The operational amplifier is connected to an antenna power supply and ground. The adjusting circuit is coupled to the inverting input. The load circuit has one end is coupled to the antenna power supply, and the other end coupled to the non-inverting input. The other end of the load circuit is also a detecting node. The non-inverting input is a detecting node. The clamping circuit, coupled to the output of the operational amplifier, clamps the output voltage level of the operational amplifier to a predetermined range. When the detecting node floats, the output voltage level of the clamping circuit is at logic high.

Abstract: The poison-filter material of the invention includes a substrate and a metal oxide. The substrate includes numerous holes, and the metal oxide is adhered to a surface of the substrate and the holes. The method for producing the poison-filter material of the invention includes the following steps of sonicating and impregnating a substrate into a metallic salt aqueous solution; and calcining the substrate to form a metal oxide on a surface of the substrate and numerous holes of the substrate, such that the poison-filter material is produced. In the invention, the metallic salt aqueous solution is fully oscillated to impregnate the porous substrate, and metal oxide is formed on the surface and holes of the substrate after high-temperature calcination. Therefore, the adsorbent material of the invention can effectively adsorb noxious gas and lower penetrability of noxious gas.

Abstract: A female adapter for a connector is disclosed. The female adapter is used to match a male adapter having a male pin. The female adapter comprises an outer ring and an internal component. The outer ring having screw threads and is used to match with the male adapter. The internal component has a hole and a chamber and is used to accommodate the male pin. The internal component further comprises a protruding portion and is able to match the internal structure of the outer ring and extend the length of the chamber.

Abstract: A wireless communication system includes an antenna, a receiving module, a power source, and a power control hub. The power control hub includes an amplifier having a first end coupled to the receiving module and a second end coupled to the power source. The amplifier generates a first output signal based on a control signal of the receiving module. The power control hub includes a rectifier having a first end coupled to the output end of the amplifier and a second end coupled to the power source. The rectifier generates a second output signal based on the first output signal. The power control hub also includes a switch. A first and a second end of the switch are electrically connected or disconnected based on the second output signal received at a control end of the switch.

Abstract: A protective circuit for microprocessor comprises an input terminal, a bias circuit, a reset circuit, and an output terminal, wherein the bias circuit coupled to the input terminal is configured to receive an input signal and generate a bias signal. The reset circuit coupled to the bias circuit is configured to receive a bias signal and generate a reset signal. The output terminal outputs the reset signal to a reset pin of the microprocessor so that the microprocessor is reset and protected from getting failure.

Abstract: An expandable wireless transceiver is provided. The expandable wireless transceiver includes an antenna, a receiver, a transmitter and a switch connector. The antenna detects an electromagnetic signal in surrounding space and receives a signal with a first central frequency according to the detection result. The receiver receives the signal based on the detection result of the antenna. The transmitter outputs a radio-frequency signal. A third connection terminal of the switch connector provides a connective path to an expansion antenna. According to the coupling condition of the third connection terminal, the switch connector delivers the radio-frequency signal to its second connection terminal or third connection terminal. Thus, the radio-frequency signal with a second central frequency is transmitted to surrounding space through the antenna or the expansion antenna, wherein the second central frequency and the first central frequency are both in a specific band.