发明名称 |
Process for producing a ceramic multi-layer circuit board |
摘要 |
This invention provides a ceramic multi-layer circuit board wherein electroconductive patterns and ceramic insulating layers are piled alternately, characterized in that each ceramic insulating layer is a sintered product comprising one or more kinds of silica and a glass. Since the glass has a softening point lower than the melting point of the material of the electroconductive patterns, it enables sintering of the ceramic multi-layer circuit board at low temperatures. The silica is effective for reduction of the dielectric constant of each ceramic insulating layer.
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申请公布号 |
US4764233(A) |
申请公布日期 |
1988.08.16 |
申请号 |
US19860862169 |
申请日期 |
1986.05.12 |
申请人 |
HITACHI, LTD. |
发明人 |
OGIHARA, SATORU;USHIFUSA, NOBUYUKI |
分类号 |
H05K3/46;B32B18/00;H01L23/498;H05K1/00;H05K1/03;(IPC1-7):B32B18/00;B32B31/04 |
主分类号 |
H05K3/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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