• Thumbnail for Zerodur
    Zerodur is a lithium-aluminosilicate glass-ceramic produced by Schott AG since 1968. It has been used for a number of very large telescope mirrors including...
    7 KB (562 words) - 17:44, 28 February 2024
  • Thumbnail for Schott AG
    Flexible ultra-thin glass Zerodur lightweight mirror substrate Keck II telescope's segmented primary mirror made of Zerodur Ceran glass-ceramic cooktop...
    19 KB (1,733 words) - 09:33, 21 May 2024
  • Thumbnail for W. M. Keck Observatory
    mirrors were made in Lexington, Massachusetts by Itek Optical Systems from Zerodur glass-ceramic by the German company Schott AG. On the telescope, each segment...
    17 KB (1,885 words) - 19:15, 18 May 2024
  • Thumbnail for Bioglass 45S5
    Glass-ceramics Bioactive glass CorningWare Glass-ceramic-to-metal seals Macor Zerodur Preparation Annealing Chemical vapor deposition Glass batch calculation...
    29 KB (3,896 words) - 00:22, 30 January 2024
  • Thumbnail for Extremely Large Telescope
    operation. The mirror is being cast from the same low-expansion ceramic Zerodur as the existing Very Large Telescope mirrors in Chile. The other contract...
    48 KB (5,148 words) - 17:07, 5 April 2024
  • in a small group of transparent materials with low CTE such as Vycor, Zerodur, Cer‑Vit and fused quartz. Materials of low coefficient of thermal expansion...
    3 KB (299 words) - 04:15, 19 January 2023
  • Thumbnail for Glass
    Glass-ceramics Bioactive glass CorningWare Glass-ceramic-to-metal seals Macor Zerodur Preparation Annealing Chemical vapor deposition Glass batch calculation...
    89 KB (9,095 words) - 04:55, 18 May 2024
  • Thumbnail for Prince Rupert's drop
    Glass-ceramics Bioactive glass CorningWare Glass-ceramic-to-metal seals Macor Zerodur Preparation Annealing Chemical vapor deposition Glass batch calculation...
    20 KB (2,334 words) - 13:03, 3 May 2024
  • Thumbnail for Optical fiber
    Glass-ceramics Bioactive glass CorningWare Glass-ceramic-to-metal seals Macor Zerodur Preparation Annealing Chemical vapor deposition Glass batch calculation...
    96 KB (11,908 words) - 07:01, 19 May 2024
  • Thumbnail for Uranium glass
    Glass-ceramics Bioactive glass CorningWare Glass-ceramic-to-metal seals Macor Zerodur Preparation Annealing Chemical vapor deposition Glass batch calculation...
    13 KB (1,389 words) - 01:14, 15 May 2024