Abstract: A semiconductor structure includes a semiconductor fin protruding from a substrate and oriented lengthwise along a first direction, a dielectric fin disposed over the substrate and oriented lengthwise along a second direction perpendicular to the first direction, where the dielectric fin defines a sidewall of the semiconductor fin along the second direction and where the dielectric fin includes a first dielectric layer disposed over a second dielectric layer that differs from the first dielectric layer in composition, and a metal gate stack disposed over the semiconductor fin and oriented lengthwise along the second direction.

Abstract: A semiconductor structure includes a semiconductor fin protruding from a substrate and oriented lengthwise along a first direction, a dielectric fin disposed over the substrate and oriented lengthwise along a second direction perpendicular to the first direction, where the dielectric fin defines a sidewall of the semiconductor fin along the second direction and where the dielectric fin includes a first dielectric layer disposed over a second dielectric layer that differs from the first dielectric layer in composition, and a metal gate stack disposed over the semiconductor fin and oriented lengthwise along the second direction.

Abstract: A semiconductor structure includes a semiconductor fin protruding from a substrate and oriented lengthwise along a first direction, a dielectric fin disposed over the substrate and oriented lengthwise along a second direction perpendicular to the first direction, where the dielectric fin defines a sidewall of the semiconductor fin along the second direction and where the dielectric fin includes a first dielectric layer disposed over a second dielectric layer that differs from the first dielectric layer in composition, and a metal gate stack disposed over the semiconductor fin and oriented lengthwise along the second direction.

Abstract: A method of fabricating a semiconductor device includes forming a semiconductor fin structure over a substrate, where the semiconductor fin structure includes a plurality of semiconductor fins and defines trenches among the semiconductor fins, and forming a dielectric fin structure having a plurality of dielectric fins. Forming the dielectric fin structure includes filling the trenches with a first dielectric material layer and a second dielectric material layer over the first dielectric material layer, the second dielectric material layer having a composition different from that of the first dielectric material layer, removing a portion of the second dielectric material layer to form a recess, and filling the recess with a third dielectric material layer, the third dielectric material layer having the same composition as the first dielectric material layer.

Abstract: A method of fabricating a semiconductor device includes forming a semiconductor fin structure over a substrate, where the semiconductor fin structure includes a plurality of semiconductor fins and defines trenches among the semiconductor fins, and forming a dielectric fin structure having a plurality of dielectric fins. Forming the dielectric fin structure includes filling the trenches with a first dielectric material layer and a second dielectric material layer over the first dielectric material layer, the second dielectric material layer having a composition different from that of the first dielectric material layer, removing a portion of the second dielectric material layer to form a recess, and filling the recess with a third dielectric material layer, the third dielectric material layer having the same composition as the first dielectric material layer.

Abstract: A semiconductor structure includes semiconductor fins protruding out of a substrate, dielectric fins protruding out of the substrate and disposed among the semiconductor fins, and gate stacks disposed over the semiconductor fins and the dielectric fins. The dielectric fins include a first dielectric material layer, a second dielectric material layer disposed over the first dielectric material layer, and a third dielectric material layer disposed over the second dielectric material layer, where the first and second dielectric material layers have different compositions and the first and the third dielectric material layers have the same compositions.

Abstract: A semiconductor structure includes semiconductor fins protruding out of a substrate, dielectric fins protruding out of the substrate and disposed among the semiconductor fins, and gate stacks disposed over the semiconductor fins and the dielectric fins. The dielectric fins include a first dielectric material layer, a second dielectric material layer disposed over the first dielectric material layer, and a third dielectric material layer disposed over the second dielectric material layer, where the first and second dielectric material layers have different compositions and the first and the third dielectric material layers have the same compositions.

Abstract: A driving device for driving a load and including a secondary cell, a fuel cell, and an energy management module. The energy management module is coupled to the secondary cell and the fuel cell and generates a first current or a second current to the load according to the voltage of the fuel cell.

Abstract: A fuel cell system is provided. The fuel cell system includes a fuel tank, a fuel supply unit, a fuel cell stack, a liquefied recycling unit, a liquid level modulation unit, a sensing unit and a control unit. The fuel supply unit supplies a first fuel to the fuel tank. The fuel tank provides a second fuel to the fuel cell stack, and the fuel cell stack generates a first gas. The liquefied recycling unit liquefies the first gas, transforming the first gas into a recycled fluid. The liquid level modulation unit guides the recycled fluid into the fuel tank to maintain a stable fuel level of the second fuel in the fuel tank. The sensing unit senses a current signal provided by the fuel cell stack. The control unit calculates a current quantity according to the current signal to supply the first fuel to the fuel tank.

Abstract: A pressure control system in provided, including a pressure regulating valve, a throttle valve and a relief valve. The pressure regulating valve includes a valve body and a piston assembly. The valve body has a chamber, wherein the chamber has an inlet and an outlet. The piston assembly, movably disposed in the chamber, includes a first piston and a second piston. The first piston corresponds to the inlet and has a first contact surface. The second piston corresponds to the outlet and has a second contact surface. The first piston and the second piston move simultaneously, and the first contact surface is smaller than the second contact surface. The throttle valve, connected with the pressure regulating valve, is disposed at a side of the outlet of the valve body. The relief valve, connected with the pressure regulating valve, is disposed at a side of the inlet of the valve body.

Abstract: A hydrogen fuel cell system. A gas/water distributor connects to a hydrogen fuel cell module. A hydrogen input pipe connects to the gas/water distributor, inputting hydrogen thereinto. A reservoir receives water. A water input pipe connects the gas/water distributor to the reservoir. A pump is connected to the water input pipe, transporting the water from the reservoir to the gas/water distributor. A gas/water confluent device connects to the hydrogen fuel cell module. The hydrogen fuel cell module is disposed between the gas/water distributor and the gas/water confluent device. An output pipe connects the gas/water confluent device to the reservoir.

Abstract: A fuel cell system and a method for checking for hydrogen leakage are provided. The fuel cell system includes a fuel cell module having at least one fuel cell. The fuel cell system further includes a valve coupled to the fuel cell module and a hydrogen source for allowing hydrogen to be passed to the fuel cell module or blocking hydrogen from being passed to the fuel cell module. The fuel cell system further includes a controller board coupled to the valve and the fuel cell module for checking output voltage of the at least one fuel cell to determine whether there is hydrogen leak. The control board controls the valve for blocking hydrogen from being passed to the fuel cell module when the control board determines that there is a hydrogen leak.

Abstract: Battery management systems and methods are provided. The system includes an electronic device and a fuel cell module. The electronic device includes a processing module, a first power adapter, a first communication interface, and a rechargeable battery. The fuel cell module includes a second power adapter connected with the first power adapter, a second communication interface connected with the first communication interface, at least one fuel cell, and a control unit. The control unit receives a first status of the rechargeable battery from the electronic device via the processing module, the first communication interface and the second communication interface, and determines whether to charge the rechargeable battery using the fuel cell via the second power adapter and the first power adapter according to the first status.

Abstract: A fuel cell system and a flow control mechanism thereof are provided. The fuel cell system includes a plurality of fuel cells and the flow control mechanism. The flow control mechanism includes a distributing device and a confluence device, and the cells are stacked between the distributing device and the confluence device. The distributing device or the confluence includes at least one inlet, at least one outlet, at least one passage and at least one buffering section. The passage communicates with the inlet and the outlet. The buffering section is disposed in any position of the passage. The buffering section and the inlet are on different levels.

Abstract: A fuel-cell structure is provided. The fuel-cell structure includes a base, at least one cell unit, a first supplier, a second supplier and a third supplier. The cell unit disposed on the base includes a reaction region, a first connecting port and an outputting terminal, wherein the first connecting port and the outputting terminal are coupled to the reaction region. The first supplier provides a first fluid transmitted to the reaction region of the cell unit via the first connecting port of the cell unit. The second supplier provides a second fluid transmitted to the reaction region of the cell unit, wherein the second fluid and the first fluid are reacted with respect to the reaction region of the cell unit, so that the reaction region of the cell unit provides a first electric power outputting through the outputting terminal.

Abstract: A driving device for driving a load is disclosed, including a secondary cell, a fuel cell, a fuel supply device, and an energy management module. The energy management module is coupled to the secondary cell, the fuel cell, and the fuel supply device for generating a current signal to the load and a first and a second signal to the fuel supply device according to an electrical signal and a liquid level signal of the fuel cell, and driving the fuel supply device to supply a fuel solution to the fuel cell.

Abstract: A driving device for driving a load and including a secondary cell, a fuel cell, and an energy management module. The energy management module is coupled to the secondary cell and the fuel cell and generates a first current or a second current to the load according to the voltage of the fuel cell.

Abstract: A fuel cell system includes a fuel cell stack consisting of a plurality of fuel cell units, a flow-distributing device, and a flow-confluence device; a fuel container; a housing encompassing and protecting the fuel cell stack and the fuel container; and a fan mounted on the housing for providing air to the cathodes of the fuel cell units. The fuel cell units have liquid inlet and liquid outlet, which are connected with the flow-distributing device and the flow-confluence device respectively.

Abstract: A fuel cell system has fuel cell units, a cycling fuel container with a vent device, a control device, a cycling pump, a fan, a fuel injection device, and an alarm coupled to the control device. The control device monitors a working voltage of the fuel cell system. If the working voltage is detected to be lower than a predetermined low value, the alarm is triggered to inform an operator or user to refill the cycling fuel container by using the fuel injection device.