Hon Lik, a Chinese pharmacist, is widely credited[8][9][10] with the invention of the first generation electronic cigarette.[11] In 2000, he came up with the idea of using a piezoelectric ultrasound-emitting element to vaporize a pressurized jet of liquid containing nicotine diluted in a propylene glycol solution.[12] This design produces a smoke-like vapour that can be inhaled and provides a vehicle for nicotine delivery into the bloodstream via the lungs. He also proposed using propylene glycol to dilute nicotine and placing it in a disposable plastic cartridge which serves as a liquid reservoir and mouthpiece. These inventions are the basis of the present-day electronic cigarettes.
Electronic cigarette - Wikipedia, the free encyclopedia
OK, so does anyone know about the piezoelectric ultrasound emitting element that was developed in 2000? Did the thing have wicks? Did it gunk up?
Is it an error? They all have coils that I know of.