Vapor phase processing system
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United States of America Patent
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Feb 6, 1990
Grant Date -
N/A
app pub date -
Aug 13, 1987
filing date -
Aug 13, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The level of vapor generated by heaters located in boiling electronic liquid contained in a vessel is maintained at a first level below the path of travel of work product and is elevated to a second level above the work product to process the work product. After a selected processing time the vapor level is lowered to the lower level so that the work product will not be overheated.
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