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SiC Film (3C) on Si wafer

SiC Film (3C) on Si wafer

SiC-3C N-type Film on Silicon (111) Wafer, Film: 1.0um Thick substrate size: 10x10x1.0mm

Specifications:

  • Film:  SiC Epi film with 3C structure grown by PECVD
    • Thickness:1.0um +/- 10%  
    • Orientation: 3C SiC (111)
    • Surface:  CMP  - film chemical mechanical polished with Ra < 10 Angstrom
    • Type and dopant:  N type, Undoped
    • Surface defects density (microscopic inspection of crystallites or other macro-defects) <= 3E3cm^2
    • TTV:   5-29 
    • Bow:  -9 ~ 3 
  • Silicon substrate:   
    • Size: 10x10 x 1.0 mm thickness 
    • Orientation:  (111)
    • Type: N type / P doped 
    • Resistivity:1- 10 ohm.cm
    • Polish: Both sides are optical  polished
  • 3C-SiC Main Properties 
    • Crystal structure:  Zinc blende (cubic), see picture on right
    • Lattice constant:   a=4.3596 A 
    • Dielectric constant (high frequency): 6.52 @300
    • Density:                3.166 g cm-3 293 K

3C-SiC physical properties, and comparing difference between 3C, 4H & 6H SiC

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