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    Semicorex ZrO2 Crucible is crafted from stabilized zirconia ceramic, presenting a standard composition of 94.7% zirconium dioxide (ZrO2) and 5.2% yttrium oxide (Y2O3) by weight percentage, or alternatively, 97% ZrO2 and 3% Y2O3 by mol percentage. This precise formulation endows the ZrO2 Crucible with a suite of advantageous characteristics that cater specifically to the demands of high-performance industrial processes.**
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    Defect-free epitaxial growth occurs when one crystal lattice has nearly identical lattice constants to another. Growth happens when lattice sites of the two lattices at the interface region are approximately matched, which is possible with a small lattice mismatch (less than 0.1%). This approximate matching is achieved even with elastic strain at the interface, where each atom is slightly displaced from its original position in the boundary layer. While a small amount of strain is tolerable for thin layers and even desirable for quantum well lasers, the strain energy stored in the crystal is generally lowered by the formation of misfit dislocations, which involve a missing row of atoms in one lattice.

  • SiC Coated Susceptors in MOCVD Processes

    CVD SiC coated susceptors function as specialized wafer holders in Metal-Organic Chemical Vapor Deposition (MOCVD) processes, playing a crucial role in semiconductor fabrication. These components are vital for maintaining the structural integrity of wafers during epitaxy under extreme conditions, such as high temperatures and corrosive environments. **

  • Surface Polishing of Silicon Wafers

    Silicon wafer surface polishing is a crucial process in semiconductor manufacturing. Its primary goal is to achieve extremely high standards of surface flatness and roughness by removing micro-defects, layers of stress damage, and contamination from impurities such as metal ions.

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