Methods and apparatus for homogenizing molten glass
The level of precious-metal inclusions in glass products, e.g., glass substrates for liquid crystal displays, is reduced by stirring molten glass in a stir chamber under conditions such that the magnitude of the shear stress τ on the chamber's wall and on the surfaces of the stirrer is reduced...
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| Sprache: | eng |
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| Zusammenfassung: | The level of precious-metal inclusions in glass products, e.g., glass substrates for liquid crystal displays, is reduced by stirring molten glass in a stir chamber under conditions such that the magnitude of the shear stress τ on the chamber's wall and on the surfaces of the stirrer is reduced while at the same time, the Q*E product for the system is kept high, where Q is the flow of glass through the stirring system and E is the system's stirring effectiveness. |
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