Alkali-free glasses containing iron and tin as fining agents

Details Alkali-free glasses containing iron and tin as fining agents Alkali-free glasses containing iron and tin as fining agents

2011-05-03

2011-05-03

Group, Karl E (Department: 1731)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S070000

Reexamination Certificate

active

07935649

ABSTRACT:
Alkali-free glasses are disclosed which can be used to produce substrates for flat panel display devices, e.g., active matrix liquid crystal displays (AMLCDs). The glasses contain iron and tin as fining agents, and preferably are substantially free of arsenic and antimony. In certain embodiments, the glasses are also substantially free of barium. Methods for producing alkali-free glass sheets using a downdraw process (e.g., a fusion process) are also disclosed.

REFERENCES:
patent: 3338696 (1967-08-01), Dockerty
patent: 3682609 (1972-08-01), Dockerty
patent: 4298389 (1981-11-01), Johnson et al.
patent: 5374595 (1994-12-01), Dumbaugh, Jr. et al.
patent: 5785726 (1998-07-01), Dorfeld et al.
patent: 5824127 (1998-10-01), Bange et al.
patent: 5908703 (1999-06-01), Brix et al.
patent: 6128924 (2000-10-01), Bange et al.
patent: 6169047 (2001-01-01), Nishizawa et al.
patent: 6319867 (2001-11-01), Chacon et al.
patent: 6933253 (2005-08-01), Naka et al.
patent: 7670975 (2010-03-01), Suzuki et al.
patent: 2004/0127342 (2004-07-01), Liang et al.
patent: 2005/0096209 (2005-05-01), Kase et al.
patent: 2006/0003884 (2006-01-01), Nishizawa et al.
patent: 2006/0242996 (2006-11-01), DeAngelis et al.
patent: 2006/0293162 (2006-12-01), Ellison
patent: 2008/0076656 (2008-03-01), Suzuki et al.
patent: 19939789 (2001-02-01), None
patent: 07-202208 (1993-12-01), None
patent: 2001 261366 (2000-03-01), None
patent: 2004 189535 (2002-11-01), None
patent: 2004299947 (2004-10-01), None
patent: 2006306690 (2006-11-01), None
patent: 64225 (1976-09-01), None
patent: WO2004087597 (2004-10-01), None
patent: WO2007/002865 (2007-01-01), None
K.L. Geisinger, G.V. Gibbs, and A. Navrotsky, “A molecular orbital study of bond length and angle variations in framework silicates,”Phys Chem Minerals, 11: 266-285 (1985).
E.M. Levin, C.R. Robbins, and H.F. McMurdie,Phase Diagrams for Ceramists, The American Ceramic Society, Inc., Columbus, OH (1964), pp. 219 and 246.
P. McMillan, B. Piriou, A. Navrotsky, and A. Raman, “Spectroscopic study of glasses along the joins silicacalcium aluminate, silica-sodium aluminate, and silica-potassium aluminate,”Geochim Cosmochim Acta, 46:2021-2037 (1982).
A. Navrotsky, G. Peraudeau, P. McMillan, and J.P. Coutures, “A thermochemical study of glasses and crystals along the joins silica-calcium aluminate and silica-sodium aluminate,”Geochim Cosmochim Acta, 46:2039-2047 (1982).
A. Navrotsky, K.L. Geisinger, P. McMillan, and G.V. Gibbs, “The tetrahedral framework in glasses and melts-inferences from molecular orbital calculations and physical properties,”Phys Chem Minerals, 11:284-298 (1985).
S. Scholes,Modern Glass Practice, Seventh Revised Edition revised by Charles H. Greene, RAN Publishers 1975, pp. 306-311 and 461.
A. Singh and S.P. Singh, “Role of tin as a reducing agent in ron containing heat absorbing soda-magnesia-lime-silica glass,”Bull. Mater. Sci., 27:537-541 (2004).
M. Taylor, and G.E. Brown, “Structure of mineral glasses: I. The feldspar glasses NaAlSi3O8, KAlSi3O8, CaAl2Si2O8,”Geochim. Cosmochim Acta, 43:61-75 (1979).

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