Heater, cartridge, atomizer and electronic cigarette having same

Abstract

A heater, a cartridge, an atomizer and an electronic cigarette having same are disclosed, the heater includes a porous body, configured for absorbing tobacco liquid; the porous body having an absorbing surface and an atomizing surface opposite with each other; the tobacco liquid permeating from the absorbing surface to the atomizing surface; a heating element, disposed on the atomizing surface and configured to atomize the tobacco liquid stored in the porous body into an aerosol; and part of the porous body that is near the atomizing surface having a less thermal conductivity than part of the porous body that is near the absorbing surface, resulting in a big amount of aerosol while not easy to generate burnt flavor and improving user experience.

Dependencies are inferred from the claim text.