KT&G

An embodiment of the present invention includes a plurality of coils which have different numbers of windings and generate an alternating magnetic field when alternating current is applied; a susceptor for generating an aerosol by heating adjacent aerosol-generating substrates using heat generated through the alternating magnetic fields generated from the plurality of coils; and a controller for controlling a predetermined alternating current to be supplied to each of the plurality of coils, wherein the controller controls a first portion and a second portion of the susceptor to be heated differentially by alternating current supplied to the plurality of coils.

An aerosol generating device includes a medium rod and a filter rod aligned along a longitudinal direction of the aerosol generating device. The medium rod includes a medium portion that accommodates a medium and at least one airflow path formed through the medium portion in the longitudinal direction.

The present application relates to a lyocell material, a filter for smoking articles, the filter including the lyocell material, and a smoking article including the filter. The lyocell material and the filter for smoking articles, according to the present application, may replace conventional cellulose acetate materials and filters for smoking articles including conventional cellulose acetate materials.

The present disclosure relates to a lyocell dope, a lyocell material, a smoking article filter including the lyocell material, and a smoking article. The lyocell dope, the lyocell material, and the smoking article filter according to the present disclosure are capable of replacing conventional cellulose acetate materials and smoking article filters including the same.

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