PRODUCTION OF MULTILAYERED CERAMIC SUBSTRATE

PURPOSE:To suppress a change in shrinkage coefft. between products by piling up plural green sheets belonging to different production lots in a prescribed order and firing them. CONSTITUTION:Green sheets 1a belonging to a production lot A, green sheets 1b belonging to a production lot B and green sh...

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Bibliographic Details
Main Author ONO KAZUHIKO
Format Patent
LanguageEnglish
Published 09.09.1992
Subjects
ARTIFICIAL STONE
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
LIME, MAGNESIA
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
METALLURGY
PRINTED CIRCUITS
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:PURPOSE:To suppress a change in shrinkage coefft. between products by piling up plural green sheets belonging to different production lots in a prescribed order and firing them. CONSTITUTION:Green sheets 1a belonging to a production lot A, green sheets 1b belonging to a production lot B and green sheets 1c belonging to a production lot C are alternately piled up and fired to produce a multilayered ceramic substrate 2. Since the effect of characteristics of green sheets belonging to the same production lot is eliminated, a change in shrinkage coefft. between products is suppressed and high dimensional accuracy of through holes can easily be ensured.
Bibliography:Application Number: JP19910016259