Refractory covercoat for semiconductor devices

Details Refractory covercoat for semiconductor devices Refractory covercoat for semiconductor devices

1991-11-18

1993-10-12

Hille, Rolf

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

Housing or package

Insulating material

257788, 257789, 257794, 257795, 361748, 174 522, H01L 2328, H01L 2329

Patent

active

052528588

ABSTRACT:
Disclosed is a refractory covercoat composition useful in making two-sided circuitries. The refractory composition contains glass frit, and an inorganic binder including at least one selected from the group consisting of ZrO.sub.2, Al.sub.2 O.sub.3, SiO.sub.2, BaO, CaO, MgO and La.sub.2 O.sub.3. The refractory covercoat has an elevated softening point so that the covercoat protects a printed conductor circuit from damage due to contact with a firing furnace conveyor belt.

REFERENCES:
patent: 4510519 (1985-04-01), Dubois et al.
patent: 4577056 (1986-03-01), Butt
patent: 4583283 (1986-04-01), Dubois et al.

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