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A vaporizer apparatus efficiently vaporizes difficult-to-vaporize materials such as complex feed materials for producing a high dielectric or ferroelectric material. The vaporizer apparatus includes a vaporizing passage formed by a pair of opposed walls separated by a minute spacing to a liquid feed

A vaporizer apparatus efficiently vaporizes difficult-to-vaporize materials such as complex feed materials for producing a high dielectric or ferroelectric material. The vaporizer apparatus includes a vaporizing passage formed by a pair of opposed walls separated by a minute spacing to a liquid feed entrance provided at one end of the vaporizing passage, a vaporized feed exit provided at an opposite end of the vaporizing passage, and a heating arrangement for heating the walls to a temperature in excess of a vaporizing temperature of the liquid feed so that the liquid feed material may be guided into the vaporizing passage to be vaporized.

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[ What is claimed is:] [1.] An apparatus for vaporizing a liquid feed material, said apparatus comprising:a pair of opposed walls separated by a minute spacing defining a vaporizing passage having first and second ends;a liquid feed material entrance at said first end of said vaporizing passage to i

[ What is claimed is:] [1.] An apparatus for vaporizing a liquid feed material, said apparatus comprising:a pair of opposed walls separated by a minute spacing defining a vaporizing passage having first and second ends;a liquid feed material entrance at said first end of said vaporizing passage to introduce liquid feed material into said vaporizing passage;heating means for heating said pair of walls to a temperature in excess of a vaporizing temperature of the liquid feed material, to thereby vaporize the liquid feed material in said vaporizing passage to form vaporized feed;a vaporized feed outlet at said second end of said vaporizing passage for discharging the vaporized feed from said vaporizing passage; anda width of said minute spacing defining said vaporizing passage being such that the liquid feed material is introduced continually into said vaporizing passage as a thin film on said opposed walls by capillary action.