PROCESS FOR PRODUCING NONFLAT CERAMIC SUBSTRATE
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United States of America Patent
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Issued Date -
Apr 9, 2009
app pub date -
Jun 26, 2006
filing date -
Jun 29, 2005
priority date (Note) -
Abandoned
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Abstract
In the production of a ceramic substrate (1) with a level difference (3), a surface of a fired substrate obtained by firing of a ceramic green sheet is honed to form the level difference (3). Alternatively, a level difference is first formed through processing of a ceramic green sheet, laminating of a ceramic green sheet, or the like, and thereafter the ceramic green sheet is fired to obtain a fired substrate (ceramic substrate) (1) with a level difference (3).
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