Zirconia-added alumina substrate with direct bonding of copper

Details Zirconia-added alumina substrate with direct bonding of copper Zirconia-added alumina substrate with direct bonding of copper

1996-01-19

1997-10-07

Saadat, Mahshid D.

Active solid-state devices (e.g., transistors, solid-state diode

Housing or package

Insulating material

257705, 257706, 257714, H01L 23053, H01L 2306, H01L 2310, H01L 2334

Patent

active

056751818

ABSTRACT:
A ceramic substrate is a high-temperature fired body consisting of alumina as the main component, zirconia, and a ceramics sintering assisting agent. The assisting agent is one of yttria, calcia, magnesia, and ceria, in which yttria is added at 0.1-2 wt %, calcia is added at 0.02-0.5 wt %, magnesia is added at 0.02-0.4 wt %, and ceria is added at 0.02-0.5 wt %.

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patent: 5185215 (1993-02-01), Adams, Jr. et al.
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