CPC D02G 3/441 (2013.01) [A24B 15/167 (2016.11); H05B 3/56 (2013.01); D10B 2101/12 (2013.01); D10B 2101/20 (2013.01); D10B 2201/20 (2013.01); D10B 2401/16 (2013.01); H05B 2203/015 (2013.01); H05B 2203/021 (2013.01)] | 45 Claims |
1. A substrate portion for use in an aerosol source member, said substrate portion comprising:
a series of overlapping layers of a composite substrate sheet, the composite substrate sheet comprising:
a non-woven web at least partially formed from regenerated cellulose fibers;
a plurality of conductive threads integrated into the non-woven web; and
a coating that includes a fibrous material and an aerosol precursor composition,
wherein the plurality of conductive threads are first arranged linearly and parallel, wherein the plurality of conductive threads is substantially aligned with a longitudinal direction of the non-woven web, and wherein the composite substrate sheet is subsequently overlapped into the series of overlapping layers.
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