Apparatus and method for measuring widthwise ejection uniformity of slit nozzle
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United States of America Patent
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Issued Date -
Nov 29, 2007
app pub date -
May 17, 2007
filing date -
May 23, 2006
priority date (Note) -
Abandoned
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Abstract
An apparatus for measuring withwise ejection uniformity of a slit nozzle comprises a plurality of oil pressure measuring units that are arranged in parallel in a widthwise direction of the slit nozzle so as to measure ejection pressure of fluid to be ejected from an ejection port of the slit nozzle, each oil pressure measuring unit having an oil-pressure detection surface facing the ejection port of the slit nozzle; and a control unit that measures ejection pressure applied to the oil pressure measuring unit so as to calculate the uniformity to display.
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