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  • Sapphire
    Sapphire is a high purity and high density, single crystalline form of aluminum oxide, which may contain chromia, titania, yttria, or other dopants. Sapphire is usually transparent or translucent. Sapphire ceramics are used in lasers, substrates, jewel bearings, watch crystals, or other specialized
  • Sapphire Viewport Transmission Curve
    Sapphire is a synthetic, hexagonal single crystal anisotropic material which displays substantially different physical, thermal, dielectric and optical characteristics when measured along different axes. MDC sapphire viewports are constructed using 90° crystal orientation, where the crystal
  • Silicon on Sapphire (SOS)
    Silicon on sapphire (SOS) is a hetero-epitaxial process wherein a thin layer of silicon is 'grown” on a sapphire (Al2O3) wafer. SOS is part of the silicon on insulator (SOI) family of CMOS technologies. Silicon on sapphire is primarily used in military and space applications because of its inherent
  • Hermetic Sealing of Sapphire Windows
    The use of sapphire material for optical sensing, emitting or detecting has been increasing considerably in the last 20 years, hence the term "window". Sapphire offers a high-quality optical surface finish, the hardness to prevent scratches, and high temperature processing capabilities. Although
  • Sapphire Luminescence - F Centers
    On the basis of an extensive study of the optical behavior of neutron-bombarded crystalline sapphire we proposed that oxygen vacancies with one electron (F centers) and two electrons (F centers) are responsible for the 4.8 and 6.1 eV absorption bands, respectively. This defect model has been
  • Optical Properties of Single-Crystal Sapphire Fibers
    Single-crystal sapphire fibers have been grown with the laser-heated pedestal-growth method with losses as low as 0.3 dB/m at 2.94 um. With the incorporation of a computer-controlled feedback system, fibers have been grown with less than 60.5% diameter variation, or 1.5 um for a 300-um fiber
  • Computer Power User Article - Sapphire ATI Radeon 9600 XT
    Sapphire ATI Radeon 9600 XT 2004 CPU Special Issue Page(s) 92 in print issue Add To My Personal Library Sapphire ATI Radeon 9600 XT To call Sapphire's ATI Radeon 9600 XT reliable is not to say that it is also boring. Although it's true that the package leaves us without any mouthwatering goodies
  • Computer Power User Article - Sapphire Radeon X800 GTO2
    hear about Extreme Edition processors or Platinum Edition graphics cards. Dreamy as that stuff may be, it's just too expensive. Enter Sapphire s Radeon X800 GTO

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