SOI Specification

MEMS Engineering & Material provides low stress SOI wafers with flexibility for device wafers, buried oxide, and handle wafers. We also provide silicon on glass and other bonded structures. Contact us for additional product information. The following is the specification for our standard SOI wafers:

Device Wafer

  3" 4" 5" 6"
Type P,N P,N P,N P,N
Resistivity 0.01~100W.cm 0.01~100W.cm 0.01~100W.cm 0.01~100W.cm
Orientation <100>,<110> <100>,<110> <100>,<110> <100>,<110>
Thickness 2~200μ 2~200μ 2~200μ 2~200μ
Tolerance +/-0.5μ +/-0.5μ +/-0.5μ +/-1.0μ

Box

  3" 4" 5" 6"
Thickness 0.5~3.0μ 0.5~3.0μ 0.5~3.0μ 0.5~3.0μ
Uniformity +/-5% +/-5% +/-5% +/-5%

Handle Wafer

  3" 4" 5" 6"
Type P,N P,N P,N P,N
Resistivity 0.01~100W.cm 0.01~100W.cm 0.01~100W.cm 0.01~100W.cm
Orientation <100>,<110> <100>,<110> <100>,<110> <100>,<110>
Thickness 250~400μ 300~625μ 350~625μ 400~625μ
Tolerance +/-2μ +/-2μ +/-2μ +/-3μ