An aerosol generating device includes: a case into which a cigarette is to be inserted; a cap detachably coupled to a top portion of the case; a cover configured to slide on a top surface of the cap so as to open or close a cigarette insertion hole; a first sensor configured to sense whether the cigarette insertion hole is open or closed; and a controller configured to determine whether the cigarette insertion hole is open or closed based on a signal sensed by the first sensor and set an operational mode of the aerosol generating device as an ON mode or an OFF mode based on a result of the determining.

An aerosol generating apparatus includes a heater housing including an air circulation hole provided around an inlet through which a cigarette is inserted and an air circulation groove connected to the air circulation hole, and a heater assembled in the heater housing to heat the cigarette, wherein the heater housing includes an air circulation space formed between an outer surface of the cigarette and the air circulation groove.

Provided is an aerosol generating apparatus including: a heater configured to generate aerosol by heating a cigarette, the heater including a first electrically conductive heating element formed along a first path on an electrically insulating substrate, a second electrically conductive heating element formed along a second path on the electrically insulating substrate, and a temperature sensor track formed along a third path in a region between the first path and the second path; a battery configured to supply power to the heater; and a controller configured to control the power supplied from the battery to the heater and monitor a temperature sensed using the temperature sensor track.

An aerosol generating device includes at least one heater, a battery, and a controller, and generates aerosol by heating a cigarette. The aerosol generating device according to the present exemplary embodiment includes a main printed circuit board (PCB) and an auxiliary PCB formed out of a rigid material and a connecting PCB formed out of a flexible material, and the connecting PCB may electrically connect the main PCB to the auxiliary PCB. Also, the aerosol generating device according to the present exemplary embodiment may include a rigid-flexible PCB.

A control unit for an apparatus, the control unit comprising: a component-carrying member provided with at least one electronic component configured to provide a function of the apparatus; wherein the component-carrying member is formed of a material that is pliable at least during assembly of the control unit; and a laminate encapsulation layer encapsulating at least a part of the or each electronic component. Optionally, the control unit comprises a second member which defines a user-interaction surface.

Provided is an aerosol generating apparatus including: a heater configured to generate aerosol by heating a cigarette, the heater including a first electrically conductive heating element formed along a first path on an electrically insulating substrate, a second electrically conductive heating element formed along a second path on the electrically insulating substrate, and a temperature sensor track formed along a third path in a region between the first path and the second path; a battery configured to supply power to the heater; and a controller configured to control the power supplied from the battery to the heater and monitor a temperature sensed using the temperature sensor track.

Provided is an aerosol generation device including: a case into which a cigarette is insertable; a heater arranged in the case and configured to heat the cigarette inserted into the case; a mainstream smoke passage connecting an internal end portion of the cigarette to the outside; and a vaporizer configured to heat a liquid composition to generate aerosol and deliver the aerosol to the mainstream smoke passage, wherein at least a portion of the mainstream smoke passage extends in a direction crossing a longitudinal direction of the cigarette.

According to an exemplary embodiment, provided is an aerosol generating device including a body portion comprising a vaporizer configured to generate aerosol by heating a liquid composition; and one or more air flow paths configured to cause the generated aerosol to pass through a cigarette and be discharged to outside; and a cover coupled to the body portion and comprising a plurality of passages comprising a first passage and a second passage which are independent from each other and guide air to an entrance of the vaporizer along at least part of a surface of the body portion.

An exemplary embodiment of the present disclosure provides an aerosol-generating device including a case into which a cigarette is insertable, a vaporizer detachably combined with the case, and a detachment manipulation unit installed in the case and configured to perform, according to user manipulation, a first operation of maintaining a state in which the vaporizer is combined with the case and a second operation of allowing separation of the vaporizer from the case.

An electronic component assembly is described which comprises a stack of electronic components wherein each electronic component comprises a face and external terminations. A component stability structure is attached to at least one face. A circuit board is provided wherein the circuit board comprises circuit traces arranged for electrical engagement with the external terminations. The component stability structure mechanically engages with the circuit board and inhibits the electronic device from moving relative to the circuit board.