METHOD FOR MANUFACTURING FLAT HEAT PIPE WITH SECTIONAL DIFFERENCES
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United States of America Patent
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app pub date -
Aug 12, 2014
filing date -
Mar 10, 2011
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Abandoned
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Abstract
A method for manufacturing a flat heat pipe with sectional differences includes following steps. First, form a plurality of grooves on an inner wall of a pipe body having one outer diameter. Subsequently, form a plurality of tubular sectional difference portions having various outer diameters on the pipe body. Then, degass an interior of the pipe body into vacuum and seal both ends thereof. Finally, press the respective sectional difference portions of the pipe body into flat.
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