MANUFACTURING PROCESS FOR VACUUM HEAT TRANSFER PRINTING AND JIG THEREOF
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United States of America Patent
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Feb 25, 2016
app pub date -
Jan 18, 2015
filing date -
Aug 22, 2014
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Abstract
A manufacturing process for vacuum heat transfer printing is used for transfer printing a pattern of a film onto a main surface of a workpiece. The manufacturing process for vacuum heat transfer printing includes: disposing the workpiece and the film in a mold cavity, wherein the film is located above the main surface of the workpiece, and the main surface is divided into a plurality of blocks; heating the mold cavity; and providing different negative pressures into the mold cavity corresponding to each of the blocks, such that the film is vacuumed onto the blocks in sequence and the patterns are transfer printed onto the main surface of the workpiece in sequence. A jig for the manufacturing process for vacuum heat transfer printing is also provided.
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