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Germanium on Silicon

Product Description: 

Germanium on Silicon (GeOSi) is one of the available technologies to fabricate integrated circuits or other applications. For GeOSi wafers, a thin layer of Germanium is grown on top of Si substrate.

Specification: 

Material P-type or N-type Silicon
Diameter 100.0±0.2mm (4 inches) 150.0±0.3mm (6 inches)
Orientation   [100] or others
Thickness 525 ± 25um or others
Primary Flat Length 32.5±2.5mm
47.5±2.5mm
TTV ≤15µm ≤20µm
WARP ≤30µm ≤40µm
BOW ≤20µm ≤30µm
Flatness ≤12µm ≤15µm
Front Surface Epi-Polished (Ra< 0.3nm)
Back Surface Fine ground (0.4~1.4μm) or Fine-polished Ra<1.0nm
Edge Exclusion 2~3mm
2~3mm
Ge EPI-film
Thickness 0.1~3.0μm Germanium Epitaxy Layer
Surface Quality In accordance with SEMI M4-1296
Resistivity 0.1 ~ 100 ohm·cm
Film Thickness Tolerance ±10%

 

4 Inch Un-doped Germanium on Silicon wafers in stock, Epi layer thickness: 3um, Resistivity: >30 ohm·cm, single side polished, PGOS-231211 ($1150.0): 

 
 

 
Silicon substrate thickness: 0.525mm, P type, <100>, contact us for quantity pricing.

 

4 Inch Un-doped Germanium on Silicon wafers in stock, Epi layer thickness: 1.0um, Resistivity: >30 ohm·cm, single side polished, PGOS-231111 ($1080.0): 

 
 

 
Silicon substrate thickness: 0.525mm, P type, <100>, contact us for quantity pricing.

 

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