Abstract: An aerosol generating device includes a cavity into which a cigarette is inserted, a light source that emits light to the cigarette inserted in the cavity, a reuse detection sensor that receives light reflected from the cigarette, a heater that heats the cigarette inserted into the cavity, and a controller, and the controller determines whether or not to operate the heater based on a rate of increase or decrease of a sensing value received from the reuse detection sensor.

Abstract: An aerosol-generating device may include an accommodation space where an aerosol-generating article is accommodated, a heater configured to generate aerosol by heating the aerosol-generating article, a transducer configured to output ultrasonic waves toward the accommodation space, receive ultrasonic waves reflected from the accommodation space, and generate electric signals corresponding to the received ultrasonic waves, and a processor configured to determine a type of the aerosol-generating article accommodated in the accommodation space based on the electric signals generated by the transducer, and control an operation of the heater based on the determined type of the aerosol-generating article.

Abstract: An aerosol generating device measures a current temperature of a heater before power is supplied to the heater that heats an aerosol generating material, and sets a preheating completion parameter, based on the measured current temperature of the heater, and a value of an amount of heat required to be supplied to the aerosol generating material to generate an adequate amount of aerosol. The aerosol generating device controls power supplied to the heater, based on the preheating completion parameter, such that a value of an amount of heat supplied to the aerosol generating material by the heater reaches the value of the amount of heat required to be supplied to the aerosol generating material.

Abstract: An electrode manufacturing system is disclosed. In some implementations, the electrode manufacturing system may include a coating station configured to coat a coating material on a coating substrate traveling along a path, and a drying station configured to dry the coating material. The drying station may include at least one linear infrared lamp configured to irradiate the coating material with infrared light, and opposite ends of the infrared lamp may be disposed to be vertically aligned with opposite edges of the coating material.

Abstract: Provided herein are an ultrasonic-based aerosol generation device, which is capable of reducing cartridge replacement costs and ensuring immediate aerosol generation, and a cartridge recognition method thereof. The ultrasonic-based aerosol generation device according to some embodiments of the present disclosure may include a liquid reservoir configured to store a liquid aerosol-forming substrate, a vibration element configured to provide ultrasonic vibrations to the stored liquid aerosol-forming substrate to form an aerosol, and a porous member which is disposed to be spaced apart from the vibration element and has a plurality of holes formed therein. Here, the liquid aerosol-forming substrate may be pushed in a direction toward the porous member due to ultrasonic vibrations of the vibration element, and the pushed liquid may be rapidly vaporized by passing through the plurality of holes. Accordingly, an aerosol can be generated immediately upon a puff.

Abstract: As an embodiment of the present disclosure, there is disclosed an aerosol generating device including: a heater configured to generate an aerosol by heating an aerosol generating substrate; a storage unit configured to store information regarding a first time period and a second time period for controlling a temperature of the heater; and a controller configured to control power supplied to the heater, wherein the controller, when the first time period time elapses after the temperature of the heater reaches the first target temperature, changes the temperature of the heater to a second target temperature for the second time period, and the sum of the first time period and the second time period is a time period in a preset change.

Abstract: Provided herein is an aerosol generation device with a reduced preheating time. The aerosol generation device according to some embodiments of the present disclosure includes a case including an opening formed in one surface, and an article insertion portion into which an aerosol-generating article including an aerosol-generating substrate is inserted, an opening/closing type cover which is disposed on the one surface of the case to open and close the opening, and a heater configured to heat the inserted aerosol-generating article. Here, the opening/closing type cover is configured to, when closing the opening, mechanically press an aerosol-generating substrate portion of the inserted aerosol-generating article so that the entire aerosol-generating substrate portion is rapidly heated, and in this way, a preheating time of the device may be reduced.

Abstract: An aerosol generating device according to an embodiment includes a heater configured to heat an aerosol generating article accommodated in an accommodation space of the aerosol generating device, a battery configured to supply power to the heater, a temperature sensor configured to measure a temperature of the aerosol generating article, and a processor configured to control power supplied to the heater from the battery according to a preset temperature profile including a preheating period and a heating period, wherein the processor is further configured to detect whether an amount of moisture in the aerosol generating article is in a preset range based on the temperature of the aerosol generating article in the preheating period, and control a duration of the preheating period according to whether the amount of moisture in the aerosol generating article is included in the preset range.

Abstract: Provided is an aerosol generating device which determines a type of a liquid included in a cartridge, transmits a signal identifying the type of the liquid to a terminal, receives a control signal including information about the liquid from the terminal, controls an operation of the electronic device based on the control signal, and transmits an inhalation completion notification to the terminal.

Abstract: Provided is a polishing pad including a polishing layer, wherein the nuclear magnetic resonance (NMR) 13C spectrum of a processed composition prepared by adding 1 g of the polishing layer to a 0.3 M aqueous solution of potassium hydroxide (KOH) and allowing the mixture to react in a closed container at a temperature of 150° C. for 48 hours includes a first peak appearing at 15 ppm to 18 ppm, a second peak appearing at 9 ppm to 11 ppm, a third peak appearing at 138 ppm to 143 ppm, and a fourth peak appearing at 55 ppm to 65 ppm, and the softening control index calculated by Equation 1 is 0.10 to 0.45. The polishing pad includes the polishing layer having physical properties corresponding to the softening control index, and thus may exhibit a removal rate and defect prevention performance within desired ranges in polishing of a polishing target.

Abstract: A method of determining a temperature of a vibrator included in a cartridge, includes: when the vibrator of the cartridge is coupled to a driving circuit of the electronic device, supplying a signal to the driving circuit; determining a phase difference between a current and a voltage between both ends of the vibrator and a shunt resistor; determining a reactance component of the vibrator based on a resistance value of the shunt resistor and the phase difference; and determining a temperature of the vibrator based on the reactance component.

Abstract: A method of controlling an electronic device includes determining whether a vibrator of a cartridge unit is connected to a driving circuit of the electronic device, determining a natural frequency of the vibrator connected to the driving circuit, and controlling a connection method of connecting one or more capacitors each connected in parallel with the vibrator based on the determined natural frequency is disclosed.

Abstract: The present disclosure relates to an endpoint detection window of a polishing pad for use in a polishing process. The polishing pad may prevent an error in detection of the endpoint of the polishing process by preventing a difference in endpoint detection performance from occurring due to a difference in the wavelength of a laser between polishing apparatuses. The present disclosure may also provide a method of fabricating a semiconductor device using the polishing pad.

Abstract: The present disclosure relates to a heating assembly including an accommodating unit configured to accommodate an aerosol generating article heatable by an induced magnetic field, a spiral coil arranged outside the accommodating unit and configured to generate an induced magnetic field toward the accommodating unit, and a first supporter arranged at a side in the accommodating unit, supporting an outer surface of the aerosol generating article, and separating the outer surface of the aerosol generating article accommodated in the accommodating unit from an inner wall of the accommodating unit, wherein the spiral coil is wound to form a plate shape covering a portion of an outer wall of the accommodating unit, and a center around which the spiral coil is wound is arranged at a point of the outer wall of the accommodating unit.

Abstract: The embodiments relate to a polishing pad for use in a chemical mechanical planarization (CMP) process of semiconductors, to a process for preparing the same, and to a process for preparing a semiconductor device using the same. The polishing pad according to the embodiment adjusts the surface roughness characteristics of the polishing pad after polishing, whereby the polishing rate can be enhanced, and the surface residues, surface scratches, and chatter marks of the wafer can be remarkably reduced.

Abstract: Provided herein is an ultrasonic-based aerosol generation device. The aerosol generation device according to some embodiments of the present disclosure includes a liquid reservoir configured to store an aerosol-forming substrate in a liquid state, a wick configured to absorb the stored aerosol-forming substrate, an ultrasonic vibrator configured to vaporize the absorbed aerosol-forming substrate through ultrasonic waves to generate an aerosol, and a controller configured to control the ultrasonic vibrator. Here, at least a portion of the wick and at least a portion of the ultrasonic vibrator may be implemented to have a flat shape and may be disposed to come in close contact with each other. In this way, a vaporization area may be maximized, and vapor production may be significantly enhanced.

Abstract: The present disclosure relates to a polishing pad, a method of manufacturing the polishing pad, and a method of manufacturing a semiconductor device using the same. In the polishing pad, an unexpanded solid-phase blowing agent is included in a polishing composition when a polishing layer is manufactured, and the unexpanded solid-phase blowing agent is expanded during a curing process to form a plurality of uniform pores in the polishing layer, such that defects occurring on a surface of the semiconductor substrate may be prevented. In addition, the present disclosure may provide a method of manufacturing a semiconductor device to which the polishing pad is applied.

Abstract: The embodiments relate to a polishing pad for use in a chemical mechanical planarization (CMP) process of semiconductors, to a process for preparing the same, and to a process for preparing a semiconductor device using the same. The polishing pad according to the embodiment adjusts the surface roughness characteristics of the polishing pad after polishing, whereby the polishing rate can be enhanced, and the surface residues, surface scratches, and chatter marks of the wafer can be remarkably reduced.

Abstract: A polishing pad sheet which provides optimized interfacial properties for the laminated structure of a polishing pad based on appropriate elasticity and high durability, and in which the polishing pad having the polishing pad sheet applied thereto not only has its intrinsic function such as the polishing rate or the like, but also is capable of realizing the function without damage even during the polishing process in a wet environment for a long time, and a polishing pad to which the polishing pad sheet is applied. The polishing pad sheet includes: a first surface which is a polishing layer attachment surface; and a second surface which is a rear surface of the first surface, wherein the first surface has a value of the following Equation 1 of 4.20 to 5.50:4.20?(|Sv|)/Sz×P (%)?5.50.

Abstract: The composition according to an embodiment employs a mixture of curing agents, which comprises a first curing agent containing sulfur and a second curing agent containing an ester group, whereby it is possible to control the physical properties of the polishing pad as necessary.