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Patent
CA 1293611
A CERAMIC MONOLITHIC STRUCTURE HAVING AN INTERNAL CAVITY CONTAINED THEREIN AND A METHOD OF PREPARING THE SAME ABSTRACT: A method of preparing ceramic monolithic structures with an internal cavity and passageways is described. A thin sheet of a ceramic material is formed by spreading the material on a glass plate with a doctor blade. Individual sheets of the material are cut or punched to form predetermined holes, channels or various shapes therein. These individual sheets are then stacked to form a layered structure. A supporting media such as paraffin wax is injected into the holes and channels to completely fill them with the media. The layered structure is then pressed by unipressing and/or isostatic pressing followed by a prefiring step to remove the supporting media. Once the supporting media had been completely removed, the layered structure is then sintered to form a monolithic structure containing precise predetermined internal cavity and passageways.
550110
Assmus Richard C.
Trickett Elizabeth A.
Gte Products Corporation
R. William Wray & Associates
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