Cavity pull rod: device to promote single crystal growth from the melt

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United States of America Patent

PATENT NO 9725821
SERIAL NO

14633467

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Abstract

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A pull rod for use in producing a single crystal from a molten alloy is provided that includes an elongated rod having a first end and a second end, a first cavity defined at the first end and a second cavity defined at the first end and in communication with the first cavity. The first cavity receives the molten alloy and the second cavity vents a gas from the molten alloy to thereby template a single crystal when the pull rod is dipped into and extracted from the molten alloy.

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Patent Owner(s)

  • US GOVERNMENT ADMINISTRATOR OF NASA;UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goldsby, Jon North Olmsted, US 1 0

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