| 11. | The dish is then closed and heated at high temperature until completely clean, fused silica is produced.
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| 12. | In 1934, Hyde used a method called flame hydrolysis to create fused silica, an impurity-free glass.
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| 13. | Fused silica was initially used in mirrors, telescopes, radar, and later in spacecraft windows and fiber optics.
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| 14. | Microlithographic " stepper " lenses made of fused silica provide the high transmission critical to miniaturizing computer chips.
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| 15. | But fused silica is manufactured by many companies worldwide, its sales running into billions of dollars a year.
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| 16. | The fused silica outer pane served as both a debris shield and as part of the heat shield.
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| 17. | Internal lead wires are usually made from platinum, while internal supports are made from quartz or fused silica.
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| 18. | Semiconductor technology today is also utilized to etch holographically patterned gratings into robust materials such as fused silica.
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| 19. | The T95 featured " "'siliceous-cored armor "'" which contained a plate of fused silica glass between rolled steel plates.
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| 20. | Fused silica found its first real-life use in a type of radar for detecting Japanese warships during World War II.
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