Ceramic composition being fired at low temperature and...

Details Ceramic composition being fired at low temperature and... Ceramic composition being fired at low temperature and...

2007-10-23

2007-10-23

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

C501S010000, C501S032000, C501S125000, C501S128000, C428S210000, C428S426000, C428S428000

Reexamination Certificate

active

10537461

ABSTRACT:
A high-strength, low-temperature-sintered ceramic composition having a structure comprising a SrAl2Si2O8crystal and an Al2O3crystal, the SrAl2Si2O8crystal being composed of hexagonal SrAl2Si2O8alone or hexagonal SrAl2Si2O8and monoclinic SrAl2Si2O8, and a peak intensity ratio represented by I101/(I101+I002)×100 being 5% or more in an X-ray diffraction measurement by a Cu—Kα line, wherein I101represents a peak intensity of a (101) plane of the hexagonal SrAl2Si2O8, and I002represents a peak intensity of a (002) plane of the monoclinic SrAl2Si2O8.

REFERENCES:
patent: 5756408 (1998-05-01), Terashi et al.
patent: 6121174 (2000-09-01), Yokoi et al.
patent: 6201307 (2001-03-01), Terashi et al.
patent: 6699605 (2004-03-01), Umayahara et al.
patent: 6-199541 (1994-07-01), None
patent: 2000-272960 (2000-10-01), None

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