Glass ceramic sintered body and wiring board using the...

Details Glass ceramic sintered body and wiring board using the... Glass ceramic sintered body and wiring board using the...

2005-10-11

2005-10-11

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

C501S010000, C501S032000, C428S426000

Reexamination Certificate

active

06953756

ABSTRACT:
A glass ceramic sintered body containing gahnite and cordierite as crystal phases, having a thermal expansion coefficient at 40 to 400° C. of not larger than 5×10−6/° C., a dielectric constant of not larger than 7 and a Young's modulus of not larger than 150 GPa. A wiring board having an insulating substrate made of the glass ceramic sintered body features very high reliability in the primary mounting and in the secondary mounting.

REFERENCES:
patent: 4714687 (1987-12-01), Holleran et al.
patent: 5001086 (1991-03-01), Carrier et al.
patent: 5756408 (1998-05-01), Terashi et al.
patent: 04-058198 (1992-09-01), None
patent: 4-321258 (1992-11-01), None
patent: 05-254923 (1993-10-01), None
patent: 9-175853 (1997-07-01), None

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