Patent 10588358 was granted and assigned to Altria on March, 2020 by the United States Patent and Trademark Office.
A heater assembly for an aerosol-generating system includes a perforated glass substrate and a heater element. The heater element is encapsulated in the glass substrate. The heater element includes a thin metal foil. The heater element is isolated from an adjacent aerosol-forming substrate. The perforations have a width ranging from about 1 micron to about 500 microns.