Apparatus for treating surface of boards
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United States of America Patent
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Oct 16, 2001
Grant Date -
N/A
app pub date -
May 24, 2000
filing date -
May 26, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The apparatus for treating surface of boards includes treating means for treating surface of boards by supplying sequentially a treating solution and a rinse liquid on boards placed on a treating table; solution collecting means for collecting waste treating solution separately from waste rinse liquid; waste solution storing, concentrating detecting and solution supplementing means for storing the waste treating solution, detecting the concentration of at least one ingredient in the waste treating solution by an electric conductivity meter and/or an absorption photometer, supplementing treating solution for adjusting containing necessary ingredients depending on the detected value, and adjusting the treating solution; and treating solution feed means for feeding the adjusted treating solution into the treating means. By thus constructing, the treating solution can be recycled, and if recycling is repeated, the performance of the treating solution itself can be maintained.
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