Abstract: A method of manufacturing a flavor source includes: a step A of adding a basic substance to a tobacco raw material; a step B of heating the tobacco raw material added with the basic substance and releasing an inhaling flavor component into a vapor phase from the tobacco raw material; a step C of collecting the inhaling flavor component released into the vapor phase in the step B; a step D of washing a tobacco residue being the tobacco raw material obtained after the inhaling flavor component is released in the step B, with a washing solvent; a step E of pulverizing or cutting the tobacco residue obtained after being washed in the step D; and a step F of adding the inhaling flavor component collected in the step C to the tobacco residue obtained after pulverized or cut in the step E.

Abstract: A power supply unit for an aerosol generation device includes: a power supply; a first connector connectable to an atomizer for atomizing an aerosol source; a second connector connectable to a heater for heating a flavor source; and a processing device configured to acquire a temperature of the flavor source or the heater. The processing device is configured to start second discharge from the power supply to the heater to make the temperature of the flavor source or the heater converge to a target temperature, before starting first discharge from the power supply to the atomizer, acquire an elapsed time between a start time point of current second discharge and an end time point of a later one of previous first discharge and previous second discharge, and increase power in the first discharge more and/or decrease the target temperature more as the elapsed time becomes longer.

Abstract: A semiconductor device type of field effect transistor (FET) primarily made of nitride semiconductor materials is disclosed. The FET includes a nitride semiconductor stack providing primary and auxiliary active regions and an inactive region surrounding the active regions; electrodes of a source, a drain, and a gate; an insulating film covering the electrodes and the semiconductor stack; and a field plate on the insulating film. A feature of the FET of the invention is that the field plate is electrically in contact with the auxiliary active region through the opening provided in the insulating film.

Abstract: A power supply unit for an aerosol generation device, the power supply unit including: a power supply; a first connector electrically connectable to an atomizer capable of atomizing an aerosol source and electrically connected to the power supply; a second connector electrically connectable to a heater capable of heating a flavor source and electrically connected to the power supply; and a processing device. The processing device is configured to generate the aerosol to which the flavor is added by controlling discharge from the power supply to the atomizer and the heater, acquire a remaining amount of the flavor source at a first timing after generation of the aerosol as a first remaining amount, and acquire a second remaining amount, which is a remaining amount of the flavor source at a timing between the first timing and a second timing when next generation of the aerosol starts.

Abstract: A power supply unit for an aerosol generation device includes: a power supply; a first connector connectable to an atomizer for atomizing an aerosol source; a second connector connectable to a heater for heating a flavor source; and a processing device configured to acquire a temperature of the flavor source or the heater. The processing device is configured to start second discharge from the power supply to the heater to make the temperature of the flavor source or the heater converge to a target temperature, before starting first discharge from the power supply to the atomizer, acquire an elapsed time between a start time point of current second discharge and an end time point of a later one of previous first discharge and previous second discharge, and increase power in the first discharge more and/or decrease the target temperature more as the elapsed time becomes longer.

Abstract: A power supply unit for an aerosol generation device, the power supply unit including: a power supply; a first connector electrically connectable to an atomizer capable of atomizing an aerosol source and electrically connected to the power supply; a second connector electrically connectable to a heater capable of heating a flavor source and electrically connected to the power supply; and a processing device. The processing device is configured to generate the aerosol to which the flavor is added by controlling discharge from the power supply to the atomizer and the heater, acquire a remaining amount of the flavor source at a first timing after generation of the aerosol as a first remaining amount, and acquire a second remaining amount, which is a remaining amount of the flavor source at a between the first timing and a second timing when next generation of the aerosol starts.

Abstract: A power supply unit for an aerosol inhaler, which causes an aerosol generated from an aerosol source to pass through a flavor source to add a flavor component of the flavor source to the aerosol, includes: a power supply configured to be dischargeable to a first load configured to heat the aerosol source and dischargeable to a second load configured to heat the flavor source; and a processing device. The processing device determines whether the second load can heat the flavor source. When it is determined that the second load can heat the flavor source, the processing device starts or continues discharging from the power supply to the second load as second discharging before starting discharging from the power supply to the first load as first discharging.

Abstract: A power supply unit for an aerosol inhaler, which causes an aerosol generated from an aerosol source to pass through a flavor source, includes: a power supply dischargeable to a first load configured to heat the aerosol source and dischargeable to a second load configured to heat the flavor source; a notification unit; a processing device; a circuit board; and a conductive portion configured to electrically connect the second load and the circuit board. The processing device is configured to detect adhesion of a liquid to the second load or entry of the liquid into the conductive portion. When the adhesion or the entry is detected, the processing device executes at least one of a notification action that causes the notification unit to execute a notification and a first fail-safe action including prevention of discharging from the power supply to the second load.

Abstract: Provided are a liquid jetting device, a liquid jetting head cleaning device, and a liquid jetting head cleaning method, in which a nozzle surface is cleaned without a liquid infiltrating into a gap of a liquid jetting head having a gap between head modules adjacent to each other. After performing pressurization purging for pressurizing an inside of a liquid jetting head (32) that is the liquid jetting head (32), which jets a liquid from a nozzle (202) disposed on a nozzle surface (33), is formed by a plurality of head modules (200), and has a gap (G) between the head modules adjacent to each other, to discharge the liquid from the nozzle (202), a long wiping web (104) in a dry state abuts against the nozzle surface (33) of the liquid jetting head (32) at a pressing force of 0 kPa or more and 15 kPa or less, and the wiping web (104) is transported with respect to the liquid jetting head (32) in a web transporting direction to wipe the nozzle surface (33).

Abstract: A control unit of an aerosol generation device includes: a sensor configured to output inhalation by a user; and a processing device configured to control discharge from a power supply to an atomizer configured to atomize an aerosol source. The processing device is configured: to acquire an inhalation time that is a length of each inhalation and an discharge time that is a length of discharge to the atomizer corresponding to each inhalation, based on an output of the sensor; and to acquire at least one of a remaining amount of a flavor source configured to add flavor to aerosol generated from the aerosol source and a consumed amount of the flavor source, based on the inhalation time and the discharge time.

Abstract: A control unit of an aerosol generation device includes a processing device configured to acquire a remaining amount of an aerosol source. When the remaining amount of the aerosol source is smaller than a threshold value, the processing device suppresses discharge from a power supply to an atomizer configured to atomize the aerosol source, and when the remaining amount of the aerosol source is equal to or greater than the threshold value, the processing device controls the discharge from the power supply to the atomizer so as to make an amount of the aerosol source to be atomized different, based on the remaining amount of the aerosol source.

Abstract: A control unit of an aerosol generation device includes a processing device configured to acquire a remaining amount of at least one of an aerosol source and a flavor source configured to add flavor to aerosol generated from the aerosol source. When the remaining amount is equal to or greater than a threshold value, the processing device permits first discharge that is discharge from a power supply to an atomizer configured to atomize the aerosol source and second discharge that is discharge from the power supply to an adjustor capable of adjusting an amount of flavor that is added to the aerosol by the flavor source, and when the remaining amount is smaller than the threshold value, the processing device suppresses any one of the first discharge and the second discharge.

Abstract: A control unit of an aerosol generation device includes: a flow rate sensor configured to output a flow rate of inhalation by a user; and a processing device configured to acquire an atomization command of an aerosol source by an atomizer. The processing device is configured: to control discharge from a power supply to the atomizer, based on the atomization command; to acquire a flow rate per unit time during the inhalation corresponding to each atomization command, based on an output of the flow rate sensor; to acquire an inhalation time that is a length of the inhalation corresponding to each atomization command; and to acquire at least one of a remaining amount of a flavor source configured to add flavor to aerosol generated from the aerosol source and a consumed amount of the flavor source, based on the flow rate per unit time and the inhalation time.

Abstract: Provided is an aerosol generating device which is capable of stopping aerosol generation at an appropriate timing. This aerosol generating device includes a power source which supplies power in order to atomize an aerosol source and/or heat a flavor source; a sensor which outputs a measurement value for controlling the power supplied; and a circuitry which controls the power supplied from the power source on the basis of the measurement value. The circuitry controls to increase a power supply amount per unit time in response to a first condition that the measured value is equal to or larger than a first threshold being satisfied, and to decrease the power supply amount per unit time in response to a second condition that the measured value is less than a second threshold greater than the first threshold and a third condition which is different from the first condition and the second condition being satisfied.

Abstract: A mechanism capable of specifying the arrangement of a flavor component generating base material in a suction device includes a retention part having an internal space; a pressure sensor for detecting a pressure applied to the inner wall of the retention part; and a control unit for specifying the arrangement of a flavor component generation base material in the internal space of the retention part on the basis of the detection result from the pressure sensor.

Abstract: To provide a mechanism that makes it possible to further improve the quality of the inhalation experience provided by a flavor component generation device, a flavor component generation control device for controlling a flavor component generation device includes an attachment section that has detachably attached thereto an element configured so as to consume stored contents and thereby contribute to the generation of a gas to which a flavor component is added. The flavor component generation control device includes a controller that controls processing in which, for each of a plurality of the elements that have been attached to the attachment section in the past, identification information for the element is associated with a parameter indicating the consumption amount of the contents consumed in generation of the gas to which the flavor component is added. The result is stored in a storage.

Abstract: A soft magnetic alloy contains a main component having a composition formula of (Fe(1?(?+?))X1?X2?)(1?(a+b+c+d))MaBbPcCd and auxiliary components including at least Ti, Mn and Al. In the composition formula, X1 is one or more selected from the group consisting of Co and Ni, X2 is one or more selected from the group consisting of Ag, Zn, Sn, As, Sb, Bi and a rare earth element, and M is one or more selected from the group consisting of Nb, Hf, Zr, Ta, Mo, W and V. In the composition formula, 0.030?a?0.100, 0.050?b?0.150, 0<c?0.030, 0<d?0.030, ??0, ??0, and 0??+??0.50 are satisfied. In the soft magnetic alloy, a content of Ti is 0.001 to 0.100 wt %, a content of Mn is 0.001 to 0.150 wt %, and a content of Al is 0.001 to 0.100 wt %.

Abstract: Soft magnetic metal powder which includes a plurality of soft magnetic metal particles configured by a Fe-based nanocrystal alloy including Cu is provided, wherein the soft magnetic metal particles have core portions and first shell portions surrounding circumferences of the core portions; when an average crystallite size of Cu crystallites existing in the core portions is set as A, and the largest crystallite size of Cu crystallites existing in the first shell portions is set as B, B/A is 3.0 or more and 1000 or less.

Abstract: To provide a control device for an aerosol inhalator capable of determining a residual amount of an aerosol source without being influenced by changes in temperature of a heater due to inhalation.

Abstract: A power supply unit for an aerosol inhaler includes a power supply dischargeable to a load for heating an aerosol generation source, a first sensor configured to output a signal indicating an aerosol generation request, and a processing device configured to acquire the signal. The processing device causes the power supply unit to operate in a first mode in which a maximum power consumption amount is a first amount and a second mode in which a maximum power consumption amount is smaller than the first amount, causes the power supply unit to operate in the second mode when a period during which the signal is not acquired exceeds a predetermined time in the first mode, and causes the power supply unit to operate such that a maximum power consumption amount is less than the first amount at a timing before the period exceeds the predetermined time in the first mode.