The Basic Design and History of E-Cigarettes

Electronic cigarettes (smokeless cigarettes, e-cigs, vaporizers) are used to consume nicotine alternatively. Nicotine is the chemical found in tobacco and the main reason why people smoke tobacco. Some manufacturers design e-cigarettes to look like regular cigarettes. Chinese pharmacist Hon Lik invented electronic cigarettes around 2003 and it was patented in 2003. It’s still controversial topic but some researchers believe using electric cigarettes or vaping is much healthier way to consume tobacco or other herbs than combusting or burning tobacco in regular cigarettes. The process of combustion produces toxins that are very harmful for lungs. On the other hand the vaping is a no-smoke way to heat tobacco at a much lower temperature to release the nicotine in vapor without combustion byproducts.

Instead of burning tobacco to derive nicotine, E-cigarettes use synthetic nicotine in liquid form, while someone is vaping his/her device heats nicotine liquid to convert it into a vapor to inhale it. The nicotine juice to fill in e-cigarettes is usually made from chemical by the name of propylene glycol. FDA approves this chemical for the food consumption and this chemical is used in fog machines to create a smoke at a stage.

A typical e-cigarette device consists of a rechargeable lithium battery with a light indicator that illuminates when the device is in use simulating a lighted tip, an atomizer and a safe flavored nicotine cartridge that comes in varying degrees of nicotine ranging from zero to high levels of nicotine. The atomizer is the component that converts liquid into vapor. The device is activated when the person inhales on the cartridge tip. The airflow activates a micro switch in the battery that powers both the atomizer and microprocessor. This activates the atomizer, the material in the cartridge which is in contact with the atomizer is converted into water vapor which carries the desired level of nicotine into the person’s mouth.

Recharging the battery can be completed by simply unscrewing the battery from the device and simply screwing it in the clockwise into the charger for couple of hours to charge.

I just want to briefly touch that there is another kind of vaporizers that use dry substance instead of liquid cartridges. These devices use Conductive Heating . It means they work by placing dried extracts on electrically heated surface usually solid metal. After placing the dried extracts on the heating plate, it starts to release a vapor after a short period of time at the perfect vaporization temperature.
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