Elliptical ceramic evaporators
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United States of America Patent
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Jul 4, 2000
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N/A
app pub date -
May 20, 1999
filing date -
May 28, 1998
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Expired
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Abstract
An evaporator is provided for the evaporation of metal, which has a cross-sectional area in the region from which evaporation of the metal takes place which is greater than the corresponding cross-sectional area of a triangular evaporator of the same width and height and has, in the specified region, a smaller minimum circumference than a rectangular evaporator having the same width and height.
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