US Patent 9943114 Aerosol-forming cartridge comprising a tobacco-containing material

There is provided an aerosol-forming cartridge for an electrically operated aerosol-generating system. The cartridge includes a base layer and at least one aerosol-forming substrate disposed on the base layer and including a tobacco-containing material with volatile tobacco flavor compounds that are releasable from the aerosol-forming substrate. The base layer and the at least one aerosol-forming substrate are in contact at a contact surface, which is substantially planar.