Abstract: The inventive concept provides a substrate treating method. The substrate treating method includes pre-treating a substrate by cleaning the substrate; etching the substrate by supplying an etchant and heating a substrate supplied with the etchant; and post-treating the substrate after the etching the substrate, and wherein the pre-treating the substrate, the etching the substrate, and the post-treating the substrate are each performed in different chambers, a substrate on which the pre-treating the substrate is completed is transferred in a dry state to a chamber at which the etching the substrate is performed, and a substrate on which the etching the substrate is completed is transferred in a wetted state with a liquid to a chamber at which the post-treating the substrate is performed.

Abstract: An anode active material for a secondary battery includes a carbon-based active material, and silicon-based active material particles doped with magnesium. At least some of the silicon-based active material particles include pores, and a volume ratio of pores having a diameter of 50 nm or less among the pores is 2% or less based on a total volume of the silicon-based active material particles.

Abstract: The technology and implementations disclosed in this patent document generally relate to a lithium secondary battery including: a first unit cell including a first anode including a 1-1 anode mixture layer and a 1-2 anode mixture layer on the 1-1 anode mixture layer, and a second unit cell including a second anode including a 2-1 anode mixture layer and a 2-2 anode mixture layer on the 2-1 anode mixture layer, wherein a weight ratio of the silicon-based active material in the 1-2 anode mixture layer is greater than a weight ratio of the silicon-based active material in the 1-1 anode mixture layer, and a weight ratio of the silicon-based active material in the 2-2 anode mixture layer is less than or equal to a weight ratio of the silicon-based active material in the 2-1 anode mixture layer.

Abstract: An anode for a lithium secondary battery includes an anode current collector, and an anode active material layer formed on at least one surface of the anode current collector. The anode active material layer includes a carbon-based active material, a first silicon-based active material doped with magnesium and a second silicon-based active material not doped with magnesium. A content of the first silicon-based active material is in a range from 2 wt % to 20 wt % based on a total weight of the anode active material layer.

Abstract: In some implementations, the anode includes a current collector, a first anode mixture layer formed on at least one surface of the current collector, and a second anode mixture layer formed on the first anode mixture layer. The first anode mixture layer and the second anode mixture layer include a carbon-based active material, respectively. The first anode mixture layer includes a first binder, a first silicon-based active material, and a first conductive material. The second anode mixture layer includes a second binder, a second silicon-based active material, and a second conductive material. Contents of the first conductive material and the second conductive material are different from each other with respect to the total combined weight of the first anode mixture layer and the second anode mixture layer. Types of the first silicon-based active material and the second silicon-based active material are different from each other.

Abstract: Provided is a resonant network for plasma power supply, which is connected between a power supply unit and an output unit. The resonant network includes a resonant inductor connected in series with the power supply unit, a resonant capacitor connected in parallel with the output unit and connected in series with the resonant inductor, and a passive element connected in series with the output unit and the resonant inductor and connected in parallel with the resonant capacitor.

Abstract: Provided is a resonant network for plasma power supply, which is connected between a power supply unit and an output unit. The resonant network includes a resonant inductor connected in series with the power supply unit, a resonant capacitor connected in parallel with the output unit and connected in series with the resonant inductor, and a passive element connected in series with the output unit and the resonant inductor and connected in parallel with the resonant capacitor.

Abstract: A power supply apparatus able to control an output current for maintaining plasma in a plasma generator includes: a switching power supply including a rectifier, an inverter, and a phase shifter; a plasma source connected to the switching power supply and generating the plasma in the plasma generator; a resonance network connected between the switching power supply and the plasma source and including a resonance inductor connected to a primary winding in series and a resonance capacitor connected to the plasma source in parallel and connected to the resonance inductor in series; and a control unit controlling the switching power supply in order to phase-shift a voltage and a current provided to the resonance network.

Abstract: A power supply apparatus having a passive element for plasma ignition in a plasma generator includes: a switching power supply including a rectifier and an inverter; a transformer including a primary winding and a ferrite core around which the primary winding is wound; and a resonance network connected between the switching power supply and the primary winding and including a resonance inductor connected to the primary winding in series and a resonance capacitor connected to the primary winding in parallel and connected to the resonance inductor in series, wherein the resonance network includes the passive element having one end connected to the resonance capacitor in series and the other end connected to a ground, and magnitudes of a voltage and a current of the inverter are adjusted by the passive element.

Abstract: A power supply apparatus able to control an output current for maintaining plasma in a plasma generator includes: a switching power supply including a rectifier, an inverter, and a phase shifter; a plasma source connected to the switching power supply and generating the plasma in the plasma generator; a resonance network connected between the switching power supply and the plasma source and including a resonance inductor connected to a primary winding in series and a resonance capacitor connected to the plasma source in parallel and connected to the resonance inductor in series; and a control unit controlling the switching power supply in order to phase-shift a voltage and a current provided to the resonance network.

Abstract: A grip sensor device and a grip sensing method are provided. The grip sensor device includes an antenna that is formed of metal within a mobile electronic device and communicates a signal of a first frequency and a grip sensor module that is formed within the mobile electronic device, is electrically connected to the antenna, and outputs a proximity detection signal according to proximity of an external object to the antenna.

Abstract: Provided is an induction heater which induces an electric current in a metal utensil (e.g., a cooking utensil) using an electromagnetic force and can thus heat the metal utensil, and more particularly, an induction heater which can prevent electric devices sensitive to temperature from being overheated by forcefully blowing air to the front and the rear of an inverter circuit board. The induction heater is easy to be miniaturized, and a considerable number of devices can be integrated into the induction heater.

Abstract: An air conditioning system is provided. The air conditioning system allows coolant to selectively flow through a series of bypass pipes and valves connecting an outlet of a compressor and an outlet of an expansion member. The series of bypass pipes and valves allow a defrosting function to be performed without performing a reverse cycle.

Abstract: A cooking appliance includes at least one heating element; a heat sink connected to the heating element, to radiate heat generated by the heating element; a cooling fan located at one side of the heat sink, to blow cooling air to the heat sink; and a flow guide covering at least a portion of the heat sink and guiding a portion of the cooling air to flow to the heating element.

Abstract: Provided is an induction heater which induces an electric current in a metal utensil (e.g., a cooking utensil) using an electromagnetic force and can thus heat the metal utensil, and more particularly, an induction heater which can prevent electric devices sensitive to temperature from being overheated by forcefully blowing air to the front and the rear of an inverter circuit board. The induction heater is easy to be miniaturized, and a considerable number of devices can be integrated into the induction heater.

Abstract: An air conditioning system is provided. The air conditioning system allows coolant to selectively flow through a series of bypass pipes and valves connecting an outlet of a compressor and an outlet of an expansion member. The series of bypass pipes and valves allow a defrosting function to be performed without performing a reverse cycle.

Abstract: An induction heating device includes a main body, an induction coil provided in the main body and forming an electromagnetic field, and an induction coil driving circuit unit positioned in the main body to be physically and thermally separated from the induction coil.

Abstract: An induction heater may comprise a base, a plurality of first solids of ferromagnetic or ferrimagnetic material and a first coil having a plurality of wire windings. The solids have a prescribed shape and are provided to have a prescribed arrangement on the base, and the first coil has a prescribed shape, and the first coil is provided over at least portions of the plurality of solids. A second coil may be provided within the first coil and spaced apart from the first coil. The second coil cross over at least portions of the plurality of first solids. A plurality of second solids of ferromagnetic or ferrimagnetic material may be formed parallel to each other, and contact at least one of the first solids. The induction heater may also include a plurality of third solids of ferromagnetic or ferrimagnetic material, a third coil having a plurality of wire windings and a fourth coil.

Abstract: An electric cooker having a composite heat source includes an external case having an air inlet and an air outlet, a cooking plate mounted on an upper surface of the external case to be a top plate thereof, a heat generating unit mounted between the external case and the cooking plate, the heat generating unit including a work coil and an electric heater and arranged coaxially with the air inlet with respect to a center of the air inlet, a cooling unit coaxially arranged with respect to the center of the air inlet between the air inlet and the heat generating unit, the cooling unit cooling the heat generating unit, an air duct provided below the heat generating unit, and a reflector forming an outer cover of the electric heater.

Abstract: A cooking appliance includes at least one heating element; a heat sink connected to the heating element, to radiate heat generated by the heating element; a cooling fan located at one side of the heat sink, to blow cooling air to the heat sink; and a flow guide covering at least a portion of the heat sink and guiding a portion of the cooling air to flow to the heating element.