Method of manufacturing ceramic sintered body and ceramic sintered body
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United States of America Patent
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Aug 7, 2018
Grant Date -
Jun 16, 2016
app pub date -
Feb 12, 2015
filing date -
Feb 13, 2014
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Abstract
There is provided a manufacturing method including: forming a molded body element with a molding material containing a ceramic powder and a binder; forming a ceramic molded body by disposing at least one molded body element in a mold and then injecting a molding material containing a ceramic powder and a binder into the mold and graft molding a graft molded body element to the molded body element; and forming a ceramic sintered body by degreasing and sintering the ceramic molded body. A graft connecting surface of the molded body element to which the graft molded body element is graft molded is formed so as to have a surface roughness of 2 μm or more in terms of Ra.
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