Electronic smoking article
First Claim
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1. An electronic vaping device comprising:
- an integral heater-wick element configured to draw a pre-vapor formulation from a supply region and to heat the pre-vapor formulation, the integral heater-wick element made of an inert non-ceramic having impurities of less than about 100 ppm and an open porosity of at least about 90%.
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Abstract
An electronic smoking article includes a liquid supply region including liquid material and a heater-wick element operable to wick liquid material and heat the liquid material to a temperature sufficient to vaporize the liquid material and form an aerosol. The heater-wick element is formed of a carbon or graphite foam.
28 Citations
17 Claims
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1. An electronic vaping device comprising:
an integral heater-wick element configured to draw a pre-vapor formulation from a supply region and to heat the pre-vapor formulation, the integral heater-wick element made of an inert non-ceramic having impurities of less than about 100 ppm and an open porosity of at least about 90%. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
Specification