Partial vacuum operation of arc discharge for controlled heating
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United States of America Patent
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Jan 24, 2017
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app pub date -
Apr 8, 2013
filing date -
Apr 6, 2012
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Abstract
An electrical discharge, suitable for heating optical fibers for processing, is made in a controlled partial vacuum, such that saturation of available ionizable gas molecules is reached. The workpiece temperature is thereby made to be a stably controlled function of the absolute air pressure and is insensitive to other conditions. A system and method accomplishing the foregoing are provided.
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