Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1997-09-22
2000-08-15
Jones, Deborah
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428594, 428901, 419 22, 174261, 156 8912, B32B 300, B32B 3120, B32B 3126
Patent
active
061033545
ABSTRACT:
A ceramic circuit substrate includes an insulating layer fabricated of a ceramic, a first surface conductor layer fabricated on a surface of the insulating layer and embedded in the insulating layer except at least its surface, and a second surface conductor layer fabricated to be stacked on the first surface conductor layer. A method of fabricating the ceramic circuit substrate includes the steps of printing a first surface conductor layer on a surface of a ceramic green sheet forming an insulating layer, laminating the green sheet and another green sheet on which an inner conductor layer is printed, and co-firing the green sheets, thereby fabricating the first surface conductor layer on a surface of a multilayer substrate, and printing a second surface conductor layer on the first surface conductor layer so that the second surface conductor layer is stacked on the first surface conductor layer and firing the second surface conductor layer, thereby fabricating the two stacked surface conductor layers on the surface of the multilayer substrate.
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Araki Hideaki
Mori Kunihiko
Jones Deborah
Lam Cathy F.
Sumitomo Metal (SMI) Electronic Devices Inc.
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