A heater device includes a heat generation layer that has a heat generation portion configured to generate heat when energized, a pair of electrodes disposed on one side of the heat generation layer and being spaced from each other, a detection portion configured to generate an electric field between the pair of electrodes and detect an object around the pair of electrodes, and a controller configured to control the amount of electric power supplied to the heat generation portion based on a detection result by the detection portion.

An aerosol-forming article includes: an aerosol-forming substrate; a heating layer encircling a concave portion, the aerosol-forming substrate being arranged in the concave portion; and a cover layer covering at least a part of the heating layer and an opening of the concave portion. The aerosol-forming substrate is located between the heating layer and the cover layer. A through hole is provided at a position of the cover layer corresponding to the opening. The heating layer generates eddy currents in a magnetic field to generate heat so as to heat the aerosol-forming substrate to form aerosols.

An electric composite heat oven provided with a sight window of a transparent planar heating element is provided. Since the electric composite heat oven has a structure in which a heater heating element is installed, being lower than the upper end of a cooking container, on the front and rear sidewalls of a cooking chamber of an enclosure and a transparent planar heating element is installed over an opening of the cooking chamber of the enclosure, radiant heat may actively control various disturbances that occur during cooking depending on a place where the oven is installed and a change in temperature, whereby there is an effect of providing the optimum heat power depending on a cooking material and also shortening cooking time.

A heather unit including a small diameter sheath heater with improved reliability is provided. The heater unit includes a first substrate having a first joint surface and a second substrate having a second joint surface being joined together, a groove arranged on at least one of the first joint surface or the second joint surface, and a sheath heater arranged inside the groove. The sheath heater includes a metal sheath, a heating wire having a band shape, the heating wire arranged with a space within the metal sheath so as to rotate with respect to an axis direction of the metal sheath, an insulating material arranged in the space, and connection terminals arranged at one end of the metal sheath, the connection terminals electrically connected with both ends of the heating wire respectively.

The inventive concept provides a support unit for supporting a substrate. The support unit includes a heating unit for heating the substrate, and wherein the heating unit includes: a plurality of heating members; and a plurality of first power lines and a plurality of second power lines providing a supply and return pathway for a power to and from the plurality of heating members, and wherein the plurality of second power lines are connected to each of the plurality of first power lines through the plurality of heating members, and at least two heating members are connected to each first power line and at least two heating members are connected to each second power line, and at least two heating members are connected in parallel between each first power line and each second power line.

A heating body includes: a substrate; a heating layer arranged on the substrate; and a protruding structure layer arranged on the heating layer. The protruding structure layer includes a plurality of protruding units arranged on the heating layer at intervals or the protruding structure layer has a grid shape. In an embodiment, the heating body further includes: an insulating and heat-conducting layer arranged between the protruding structure layer and the heating layer.

A heating body includes: a substrate; a heating layer arranged on the substrate; and a protruding structure layer arranged on the heating layer. The protruding structure layer includes a plurality of protruding units arranged on the heating layer at intervals or the protruding structure layer has a grid shape. In an embodiment, the heating body further includes: an insulating and heat-conducting layer arranged between the protruding structure layer and the heating layer.

A heating assembly includes a closure member, an atomizing core, and a sealing member sleeved on the atomizing core and clamped between the atomizing core and the closure member. The closure member includes a main body portion, e-liquid passages and an air passage defined on the main body portion and being independent of each other, an accommodation cavity disposed below the e-liquid passages and in communication with the e-liquid passages, and a part of an atomizing cavity disposed below the accommodation cavity. The atomizing core includes a seepage surface in communication with the e-liquid passages, and an atomizing surface in communication with the atomizing cavity. The sealing member includes a packing portion closely attached to an interior of the accommodation portion. The packing portion includes a packing wall and a covering portion. A cartridge is further provided.

A heating body includes: a first heat conduction substrate; a second heat conduction substrate; and a heating element. The first heat conduction substrate, the heating element, and the second heat conduction substrate are sequentially stacked and fixedly connected. In an embodiment, surfaces of the first heat conduction substrate and surfaces of the second heat conduction substrate that are arranged close to each other both comprise planes; the heating element includes a first connection portion, a main heating portion, and a second connection portion that are sequentially connected; and the first connection portion and the second connection portion are electrically connectable to an external power supply such that the main heating portion is electrically connectable to the external power supply to implement heating.

A heating apparatus includes a heating element which converts electrical power to heat energy, a heatable element having a first surface and a second surface, and a dielectric laminate layer between the heating element and the first surface of the heatable element, wherein the dielectric laminate layer is thermally conductive to transfer heat energy from the heating element to the heatable element, and wherein the second surface of the heatable element is configured heat a liquid in a container.