Measuring equipment and method for forming laminated body
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United States of America Patent
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Jan 29, 2013
Grant Date -
May 5, 2011
app pub date -
Oct 19, 2010
filing date -
Oct 30, 2009
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Abstract
A method for improving an accuracy of measurement of the thickness of a green sheet, and additionally improving yield of a green sheet used for formation of a laminated body is provided. The thickness of each of a plurality of ceramic green sheets is measured, and an average and a variation of obtained thickness measurement values are checked against predetermined ranking criteria. Thereby, a ranking is performed in which the plurality of ceramic green sheets are classified into a plurality of ranks set in the ranking criteria. When forming the laminated body, only a ceramic green sheet belonging to at least one of the ranks which is in advance allowed to be used is used as a ceramic green sheet constituting each layer of the laminated body.
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