An aerosol generating device for generating aerosol from an aerosol generating material is disclosed. The aerosol generating device includes a first heating unit and a second heating unit both arranged to heat, but not burn, an aerosol generating material in use. A controller is arranged to control the first and second heating units wherein during the course of a session the controller is arranged to set the first heating unit: (i) a target operating temperature T1 during a time period t1-t2; (ii) a target operating temperature T2 during a time period t2-t3; (iii) a target operating temperature T3 during a time period t3-t6; and (iv) a target operating temperature T4 during a time period t6-t7; wherein temperature T1>T2>T3>T4 and time t0<t1<t2<t3<t4<t5<t6<t7.

A heater includes a base body; an infrared electric heating film, formed on a surface of the base body, the infrared electric heating film including doped tin oxide and doping elements of the doped tin oxide including non-metal elements; and the infrared electric heating film being configured to generate infrared ray and heat the aerosol-forming substrate at least in a radiation manner; and a conductive portion, including a first electrode and a second electrode arranged on the base body, and both the first electrode and the second electrode being electrically connected to the infrared electric heating film to feed electric power of a power supply to the infrared electric heating film. An infrared electric heating film including doped tin oxide is formed on a base body, and doping elements of the doped tin oxide facilitate to improve conductive performance and infrared radiation efficiency of the infrared electric heating film.

A chip for a vaporizer includes: a package having a communication interface for determining whether a battery rod into which the vaporizer is inserted communicates with the vaporizer. When the battery rod communicates with the vaporizer, the vaporizer operates in a first mode. When the battery rod does not communicate with the vaporizer, the vaporizer operates in a second mode.

A chip for a vaporizer includes: a package having a communication interface for determining whether a battery rod into which the vaporizer is inserted communicates with the vaporizer. When the battery rod communicates with the vaporizer, the vaporizer operates in a first mode. When the battery rod does not communicate with the vaporizer, the vaporizer operates in a second mode.

An aerosol-generating article with improved cooling performance and flavor persistence and a method of producing the same are provided. The aerosol-generating article according to some embodiments of the present disclosure may include an aerosol-forming substrate part and a cooling part disposed downstream of the aerosol-forming substrate part configured to cool an aerosol formed in the aerosol-forming substrate part, and a sheet-type material may be disposed in a rolled or folded form in the cooling part. Here, the sheet-type material is a material including a flavoring and may serve as a cooling material as well as a flavor expressing material to improve flavor persistence and cooling performance of the aerosol-generating article.

An aerosol-generating article with improved cooling performance and flavor persistence and a method of producing the same are provided. The aerosol-generating article according to some embodiments of the present disclosure may include an aerosol-forming substrate part and a cooling part disposed downstream of the aerosol-forming substrate part configured to cool an aerosol formed in the aerosol-forming substrate part, and a sheet-type material may be disposed in a rolled or folded form in the cooling part. Here, the sheet-type material is a material including a flavoring and may serve as a cooling material as well as a flavor expressing material to improve flavor persistence and cooling performance of the aerosol-generating article.

Provided is an electronic smoking device accommodating a generic cigarette for generating less harmful aerosol and improving smoking flavor and quality. The electronic device comprises a cylindrical cigarette receiver, an extractor for retrieving smoking substances from cigarettes, a heating unit for baking the smoking substances instead of burning the substance, an air tight aerosol accumulation cavity to collect the vapor for a user to smoke, an electronic control circuit board and a power supply.

Provided is an electronic smoking device accommodating a generic cigarette for generating less harmful aerosol and improving smoking flavor and quality. The electronic device comprises a cylindrical cigarette receiver, an extractor for retrieving smoking substances from cigarettes, a heating unit for baking the smoking substances instead of burning the substance, an air tight aerosol accumulation cavity to collect the vapor for a user to smoke, an electronic control circuit board and a power supply.

A method of generating aerosol from an aerosol generating article which includes portions of aerosol generating material having different compositions from one another. The method includes heating a first aerosol generating material including a first constituent to generate aerosol from the first aerosol generating material; heating a second aerosol generating material including a second constituent different from the first constituent to generate aerosol from the second aerosol generating material, wherein heating the first aerosol generating material and heating the second aerosol generating material occurs at substantially the same time.

A method of generating aerosol from an aerosol generating article which includes portions of aerosol generating material having different compositions from one another. The method includes heating a first aerosol generating material including a first constituent to generate aerosol from the first aerosol generating material; heating a second aerosol generating material including a second constituent different from the first constituent to generate aerosol from the second aerosol generating material, wherein heating the first aerosol generating material and heating the second aerosol generating material occurs at substantially the same time.