Entry from US English dictionary
An extremely transparent glass made from fusing silica, commonly used in optical lenses.
- One of the most troublesome is that the 157-nm wavelength requires the use of crystalline materials like calcium fluoride, rather than the fused silica commonly used for 193-nm wavelengths.
- The cost effectiveness of the replication process is further enhanced by the excellent adherence of hybrid glass to fused silica, which allows dicing without risk of delamination.
- These materials cost more than the more commonly used fused silica or BK - 7.
For editors and proofreaders
Syllabification: fused sil·i·ca
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