Method for manufacturing ceramic substrate and ceramic substrate
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United States of America Patent
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Apr 2, 2024
Grant Date -
Nov 18, 2021
app pub date -
Aug 2, 2021
filing date -
Mar 29, 2019
priority date (Note) -
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Abstract
A method for manufacturing a ceramic substrate that includes forming a mother multilayer body by laminating a ceramic green sheet on a shrinkage suppressing green sheet, the shrinkage suppressing green sheet having a planar shrinkage rate in firing smaller than a planar shrinkage rate in firing of the ceramic green sheet; and forming a recessed portion in the mother multilayer body before firing by pressing a recessed portion formation planned region where the recessed portion is to be formed after firing of the mother multilayer body.
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