Transparent polycrystalline sintered ceramic of cubic crystal structure

  • US 20050164867A1
  • Filed: 01/21/2005
  • Published: 07/28/2005
  • Est. Priority Date: 01/23/2004
  • Status: Active Grant
First Claim
Patent Images

1. Transparent polycrystalline sintered ceramic of cubic crystal structure comprising a real in-line transmission RIT>

  • 75% of the theoretical maximum value measured on 0.8 mm-thick polished plates and for light of a wavelength between 600 and 650 nm, and with an average grain size D in the range of 60 nm<

    D<

    10 μ

    m.

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