Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1996-09-26
2000-01-11
Jones, Deborah
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428328, 428330, 428331, 428446, 428457, 428433, 428209, 428901, 257703, 174257, 174258, B32B 300
Patent
active
060133562
ABSTRACT:
A circuit board having at least one insulator layer and at least one conductor layer which includes at least one of the whole insulator layers in a sintered body containing .beta.-Si.sub.3 N.sub.4 as a main component and at least one element selected from the group consisting of a rare earth element and an alkaline earth element, and at least one of the whole conductor layers contains at least one element selected from the group of IVb, Vb and VIb group of the periodic table, and at least one element selected from the group of a rare earth element and an alkaline earth element, and a Si element.
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patent: 4882212 (1989-11-01), Singh Deo et al.
patent: 5001089 (1991-03-01), Kasori et al.
patent: 5063121 (1991-11-01), Sato et al.
patent: 5286927 (1994-02-01), Ueno et al.
patent: 5294750 (1994-03-01), Sakai et al.
Horiguchi Akihiro
Kasori Mitsuo
Sumino Hiroyasu
Ueno Fumio
Jones Deborah
Kabushiki Kaisha Toshiba
Lam Cathy F.
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