04605428 is referenced by 21 patents and cites 3 patents.

High silica glass is formed by sintering a dried gel. The gel has a pore size distribution such that at most about 5% of the total pore volume is contributed by pores having an effective pore diameter greater than about 0.5 .mu.m, and such that at least 10% of the total pore volume is contributed by pores having an effective pore diameter greater than about 0.02 .mu.m. This pore size distribution permits effective migration of fluid into, and out of, the gel, permits sintering at a lower temperature, and results in increased perfection of the glass. The pore size distribution can be achieved by appropriate comminution, e.g., ball-milling, of intermediate material. A novel process for forming high silica glass is also disclosed. The process comprises forming intermediate material by hydrolysis of one or more metal alkoxides, comminuting the intermediate material to produce colloidal particles, forming a sol by dispersing the particles in liquid, gelling the sol, drying the gel, and sintering the dried gel.

Title
Sintered high-silica glass and articles comprising same
Application Number
6/637492
Publication Number
4605428
Application Date
August 3, 1984
Publication Date
August 12, 1986
Inventor
Eleizer M Rabinovich
Berkeley Heights
NJ, US
John B MacChesney
Lebanon
NJ, US
David W Johnson Jr
Pluckemin
NJ, US
Agent
Eugen E Pacher
Assignee
AT&T Bell Laboratories
NJ, US
IPC
C03B 37/016
C03B 19/06
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