Abstract: A micro LED chip transfer method includes: determining the transfer object size for a transfer, by using a block-by-block LED chip map in which the use state information of an LED chip is stored for each block of the wafer; determining a mask size that can minimize a scrap block of the wafer that is not used for transfer, by using the transfer object size; determining a starting point position of the wafer transfer object region for transfer; and positioning a mask having the mask size at the starting point position of the wafer transfer object region and irradiating a laser, such that the LED chip formed in the wafer transfer object region is transferred.

Abstract: Substrate processing apparatuses and methods of manufacturing a semiconductor device using the same may be provided. A substrate processing apparatus includes a heater in a support plate and comprising a first unit configured to heat a first portion of a substrate and a second unit configured to heat a second portion of a substrate, and processing circuitry configured to heat the heater in a transient section such that the first unit heats the first portion of the substrate to a first heating temperature, and the second unit heats the second portion of the substrate to a second heating temperature different from the first heating temperature, the transient section being a section before a temperature of the substrate reaches a steady state, a steady section being a section after the temperature of the substrate reaches the steady state.

Abstract: Proposed are an organic-inorganic composite thermoelectric material and a preparation method thereof. The organic-inorganic composite thermoelectric material includes an organic matrix and an inorganic thermoelectric portion dispersed in the organic matrix and including a nanomaterial. The organic matrix includes an organic conductor, and the nanomaterial includes at least one selected from the group consisting of a chalcogen element and a chalcogenide. The organic-inorganic composite thermoelectric material of the present invention has advantages of low cost and excellent thermoelectric properties through complexation of an aligned inorganic thermoelectric material and an organic thermoelectric material.

Abstract: The present invention provides a molten-salt electrolytic refining apparatus for refining a raw-material alloy containing indium using a molten-salt electrolytic refining method. The molten-salt electrolytic refining apparatus includes a reaction crucible provided in a reaction container so as to be filled with a molten-salt electrolytic solution, an anode and a cathode immersed in the molten-salt electrolytic solution, an anode crucible in which a liquid raw-material alloy is contained, a cathode crucible in which at least one raw-material metal included in the raw-material alloy is recovered in a liquid phase, and a heater provided so that the temperature of the molten-salt electrolytic solution is adjusted to be equal to or greater than the melting temperature of the raw-material alloy. The present invention also provides a molten-salt electrolytic refining method which includes recovering indium (In) from an indium-tin (In—Sn) alloy using a molten-salt electrolytic solution containing fluoride.

Abstract: Disclosed are a chemi-capacitive sensor using a nanomaterial and a method of manufacturing the same. The chemi-capacitive sensor includes a lower electrode including a conductor, an insulation part formed on the lower electrode and including an insulator, an upper electrode disposed on the insulation part and including a first electrode and a second electrode spaced apart from the first electrode, and a detection part disposed on the first electrode, the second electrode, and the insulation part between the first electrode and the second electrode and including at least one selected from the group consisting of a carbon nanomaterial and a metal-oxide-coated carbon nanomaterial. The chemi-capacitive sensor of the present invention is effective at selectively analyzing gas analytes.

Abstract: Disclosed are a chemi-capacitive sensor using a nanomaterial and a method of manufacturing the same. The chemi-capacitive sensor includes a lower electrode including a conductor, an insulation part formed on the lower electrode and including an insulator, an upper electrode disposed on the insulation part and including a first electrode and a second electrode spaced apart from the first electrode, and a detection part disposed on the first electrode, the second electrode, and the insulation part between the first electrode and the second electrode and including at least one selected from the group consisting of a carbon nanomaterial and a metal-oxide-coated carbon nanomaterial. The chemi-capacitive sensor of the present invention is effective at selectively analyzing gas analytes.

Abstract: The present invention provides a molten-salt electrolytic refining apparatus for refining a raw-material alloy containing indium using a molten-salt electrolytic refining method. The molten-salt electrolytic refining apparatus includes a reaction crucible provided in a reaction container so as to be filled with a molten-salt electrolytic solution, an anode and a cathode immersed in the molten-salt electrolytic solution, an anode crucible in which a liquid raw-material alloy is contained, a cathode crucible in which at least one raw-material metal included in the raw-material alloy is recovered in a liquid phase, and a heater provided so that the temperature of the molten-salt electrolytic solution is adjusted to be equal to or greater than the melting temperature of the raw-material alloy. The present invention also provides a molten-salt electrolytic refining method which includes recovering indium (In) from an indium-tin (In—Sn) alloy using a molten-salt electrolytic solution containing fluoride.

Abstract: A positive active material, a method of preparing the positive active material, a positive electrode including the positive active material, and a lithium battery including the positive active material are disclosed. The positive active material includes a core and a coating layer on the core. The coating layer includes a sulfur component. When a binding energy peak of the sulfur is measured by X-ray photoelectron spectroscopy (XPS), the binding energy peak is observed at about 165 eV to about 168 eV, and the stability of the positive active material may be improved due to the coating layer. Accordingly, the lifespan properties of a lithium battery including the positive active material may be improved.

Abstract: A radio altimeter includes a voltage controlled oscillator outputting a radio frequency signal through a forward path in a direction from the voltage controlled oscillator to a radio frequency antenna, a path extending unit positioned in the forward path to receive the radio frequency signal to delay the radio frequency signal to generate a delayed radio frequency signal. The radio frequency antenna transmits the delayed radio frequency signal to ground and receives the delayed radio frequency signal reflected from the ground. The radio altimeter also includes a mixer that receives the reflected delayed radio frequency signal through a signal reception path from the radio frequency antenna and the radio frequency signal from the voltage controlled oscillator and mixes the radio frequency signal and the reflected delayed radio frequency signal to output a beat frequency signal which is used to calculate altitude with respect to the ground.

Abstract: Provided are a current collector for a battery, including: a base material; adhesive layers positioned on the base material; and metal mesh layers positioned on the adhesive layers, in which the metal mesh layer includes a plurality of metal mesh patterns, and holes positioned between the metal mesh patterns, and a method of manufacturing the same. An active material is applied onto the metal mesh layer through the holes of the metal mesh layer, and thus a contact area of the metal mesh layer and the active material is increased, so that it is possible to restrict the active material from being deintercalated from the current collector and improve a cycle lifespan property of a battery.

Abstract: An apparatus for processing a signal by means of electromagnetic waves according to one embodiment of the present invention can, when a radio frequency (RF) signal is radiated onto a medium through any one of a plurality of channels, simultaneously receive the radiated RF signals which have been reflected or scattered by the medium or have penetrated the medium through the plurality of channels other than the channel through which the RF signal has been radiated.

Abstract: A radio altimeter includes a voltage controlled oscillator outputting a radio frequency signal through a forward path in a direction from the voltage controlled oscillator to a radio frequency antenna, a path extending unit positioned in the forward path to receive the radio frequency signal to delay the radio frequency signal to generate a delayed radio frequency signal. The radio frequency antenna transmits the delayed radio frequency signal to ground and receives the delayed radio frequency signal reflected from the ground. The radio altimeter also includes a mixer that receives the reflected delayed radio frequency signal through a signal reception path from the radio frequency antenna and the radio frequency signal from the voltage controlled oscillator and mixes the radio frequency signal and the reflected delayed radio frequency signal to output a beat frequency signal which is used to calculate altitude with respect to the ground.

Abstract: The present disclosure relates to a radio altimeter including a path extending unit positioned in a signal transmission path or a signal reception path of the radio altimeter, wherein the path extending unit delays a signal received from the outside to reduce a dynamic range of the radio altimeter.

Abstract: The present invention relates to a planar heating sheet, including a linear heating member including a single fiber body and a plurality of heating wires surrounding the single fiber body, wherein the heating wire includes a metal wire, an organic compound layer applied on the metal wire, and a metal oxide layer applied on the organic compound layer. Since the planar heating sheet is realized by a plurality of linear heating members each formed by coating a single fiber body with heating wires, each including a metal nanowire, an organic compound layer applied on the metal nanowire, and a metal oxide layer applied on the organic compound layer, this planar heating sheet can be naturally folded or bent like a general woven fabric, and thus can be used in a wide range.

Abstract: An apparatus for processing a signal by means of electromagnetic waves according to one embodiment of the present invention can, when a radio frequency (RF) signal is radiated onto a medium through any one of a plurality of channels, simultaneously receive the radiated RF signals which have been reflected or scattered by the medium or have penetrated the medium through the plurality of channels other than the channel through which the RF signal has been radiated.

Abstract: A positive active material, a method of preparing the positive active material, a positive electrode including the positive active material, and a lithium battery including the positive active material are disclosed. The positive active material includes a core and a coating layer on the core. The coating layer includes a sulfur component. When a binding energy peak of the sulfur is measured by X-ray photoelectron spectroscopy (XPS), the binding energy peak is observed at about 165 eV to about 168 eV, and the stability of the positive active material may be improved due to the coating layer. Accordingly, the lifespan properties of a lithium battery including the positive active material may be improved.

Abstract: The present disclosure relates to a radio altimeter including a path extending unit positioned in a signal transmission path or a signal reception path of the radio altimeter, wherein the path extending unit delays a signal received from the outside to reduce a dynamic range of the radio altimeter.

Abstract: Provided are a current collector for a battery, including: a base material; adhesive layers positioned on the base material; and metal mesh layers positioned on the adhesive layers, in which the metal mesh layer includes a plurality of metal mesh patterns, and holes positioned between the metal mesh patterns, and a method of manufacturing the same. An active material is applied onto the metal mesh layer through the holes of the metal mesh layer, and thus a contact area of the metal mesh layer and the active material is increased, so that it is possible to restrict the active material from being deintercalated from the current collector and improve a cycle lifespan property of a battery.

Abstract: An apparatus and method for configuring a screen of a mobile terminal suitable for a user are provided. The method includes displaying an interface for configuring a screen of the mobile terminal; receiving, through the displayed interface, at least one input for configuring the screen to be suitable for a user; configuring a screen of the mobile terminal corresponding to the received at least one input; and displaying the configured screen.

Abstract: A composite precursor is represented by Formula 1, and includes primary particles having an average particle diameter of about 1 nm to about 10 nm. A composite is prepared from the composite precursor. A method of preparing the composite includes mixing the composite precursor with a lithium compound to obtain a mixture, and thermally treating the mixture to obtain the composite. A positive electrode for a lithium secondary battery includes the composite, and a lithium secondary battery includes the positive electrode.