Crucible for evaporation of raw materials
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United States of America Patent
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app pub date -
Sep 8, 2005
filing date -
Sep 8, 2003
priority date (Note) -
Abandoned
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Abstract
Crucibles having a bottom and surrounding side walls, provided with electrode clamps at exterior sites of side walls located opposite with respect to each other, wherein said sites are extending as lips at said side walls, and wherein said clamps are connectable with electrodes for heating said crucible, are improved in that a cross-section of each of said lips between between crucible wall and clamp is reduced with at least 5%.
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