Monocrystalline and manufacture method thereof

Monocrystalline and manufacture method thereof

  • CN 102,268,732 B
  • Filed: 04/06/2005
  • Issued: 09/14/2016
  • Est. Priority Date: 04/08/2004
  • Status: Active Grant
First Claim
Patent Images

1. a sapphire single-crystal, this monocrystalline includes:

  • There is the single-chip of length, wherein length >

    width >

    thickness, described width is not less than 25 centimetres, describedThickness is not less than 0.5 centimetre, and described crystal is substantial transparent at infrared and visible wavelength region;

    Wherein, described sapphire single-crystal is by using melt utensil to be formed, and described melt utensil includes;

    Crucible;

    Mould, it is unlimited for described crucible, and along the length extension of described crucible;

    AndMultiple heat shield, it covers described crucible and adjacent to described mould, and described heat shield has rankLadder-shaper structure.

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