No Fire and Smoke: New Tobacco Technology
How and why the first Indian decided to bring smoldering tobacco leaf to his mouth, no one will ever know. But historians suggest that this thought first visited people after leaves of plants of the genus Nicotiana fell into the fire by chance. The aroma and taste of smoke, as well as its stimulating effect, were pleasant to those who were nearby, and the next time tobacco was thrown into the fire on purpose.
And only in the XXI century it became clear that such high temperatures are not really needed for tobacco use. Nicotine, unlike other components of tobacco smoke, is also released at a temperature of about 350 ° C, at which the sheet itself does not smolder.
The IQOS tobacco heating system got into the editorial office, and we, of course, immediately took it apart by cogs. Under the thin plastic of the case, a battery was discovered that was charged via Micro USB, a removable cap for cleaning the heating element, and sophisticated electronics.
The main detail is a heating element made of doped platinum ceramic. Such composite materials are the basis of modern sensitive thermometers, which are used in many industries where it is important to maintain a given temperature. Platinum is responsible for heating, and the ceramic base withstands mechanical stress and thermal expansion.
The heating element also works as a temperature sensor. Its data is transferred to a microcircuit that controls the supply of energy to the heating element, preventing the system from heating up and burning tobacco or, conversely, cooling down.
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