prov:value
| - Insulating material 50 is preferably formed from a solution of tetraethoxysilane, retorted to by its acronym, TEOS, which is sold by, for example, Allied Signal Corp., of Morristown, N.J. The solution of TEOS, including a solvent which may comprise ethyl alcohol, acetone, N-butyl alcohol and water, is commonly referred to as "spin-on-glass" (SOG).
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