Glass manufacturing – Processes – Sol-gel or liquid phase route utilized
Reexamination Certificate
2007-12-11
2007-12-11
Griffin, Steven P. (Department: 1731)
Glass manufacturing
Processes
Sol-gel or liquid phase route utilized
C501S012000
Reexamination Certificate
active
10919732
ABSTRACT:
A method for fabricating silica glass is disclosed. The method includes the steps of (a) hydrolyzing silicon alkoxide; (b) hydrolyzing heterometal alkoxide containing Bi and Ti components; (c) mixing a solution containing hydrolyzed products of the silicon alkoxide and a solution containing hydrolyzed products of the heterometal alkoxide, thus forming a mixed solution; (d) molding gel by pouring the mixed solution into a forming mold; (e) drying the molded gel; and (e) performing heat-treatment of the dried gel so as to vitrify the gel.
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patent: 4902650 (1990-02-01), Caldwell et al.
Mehrotra, Design of Molecular Precursors, Jan. 1994, Springer Netherlands, vol. 2, Nos. 1-3, pp. 1-6.
Bradley, Metal Alkoxides as Precursors for Thin-film Growth, 1990, Phil. Trans. R. Soc. Lond. A 330, 167-171.
Jones et al., Synthesis and Characterisation of four new heterometal alkoxides: potential precursors for the MOCVD of ferroelectric oxides, J.Mater. Chem., Jan. 2004, 14, 887-894.
Bang Jung-Je
Kim Soon-Jae
Park Keun-Deok
Cha & Reiter LLC
Dehghan Queenie
Griffin Steven P.
Samsung Electronics Co,. Ltd.
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