SiCウエハー

SiC(炭化ケイ素,シリコンカーバイド)は、ケイ素(Si)と炭素(C)の化合物です。
パワー半導体に欠かせないSiCウエハーは電力効率に優れ、自動車などのパワー半導体デバイスに利用されています。
次世代を担う基板として期待されており、トリニティーでは高品質なSiCウェハーを用途に合わせてご提供させて頂きます。
■6inch 4H-N スペック 350um
| Parameter | Unit | Specification | ||
| Grade | Production | Research | Dummy | |
| Size | 6inch | |||
| Diameter | mm | 150±0.2 | 150±0.5 | |
| Thickness | μm | 350±25 | 350±40 | |
| Polytype | 4H-SiC | |||
| Surface Orientation | 4.0° toward<11`20>±0.5° | N/A | ||
| Dopant | Nitrogen | |||
| Resistivity | Ω・cm | 0.017~0.025 | 0.015~0.025 | N/A |
| Primary Flat Orientation | {10 10}±1.0° | N/A | ||
| Primary Flat Length | mm | 47.5±1.5 | N/A | |
| LTV-Max | μm | ≤2 | ≤3 | ≤5 |
| TTV | μm | ≤5 | ≤8 | ≤10 |
| Bow | μm | 0±10 | 0±15 | 0±30 |
| Warp | μm | ≤15 | ≤25 | ≤60 |
| Micropipe Density | cm-2 | ≤0.1 | ≤0.2 | ≤1 |
| TED | cm-2 | <2000 | <6000 | <10000 |
| BPD | cm-2 | <500 | <1000 | <3000 |
| TSD | cm-2 | <100 | <500 | <3000 |
| BSF/SF | %area | <1% | N/A | |
| Metal Contamination | atoms / cm2 | <1E11 | <1E12 | |
| Back Scratch by high intensity light | None | N/A | ||
| Surface Roughness | nm | C-face:mirror polished, Ra<3.0 | ||
| Si-face:CMP, Ra<0.2 | ||||
| Foreign Polytypes* | None | ≤5mm | ||
| Polycrystal* | None | ≤5mm | ||
| Hex Platesby High Intensity Light* | None | ≤5mm | ||
| Pinholes | number | None | N/A | |
| Cracks* | number | None | ≤3mm | |
| Edge chip | number | None | ||
| Si Scratchon Siface | mm | Cumulative scratch length<50 | Cumulative scratch length<100 | Cumulative scratch length<250 |
| Stain(both faces) | mm | None | ||
*Defects limits apply to entire wafer surface including the edg eexclusion area.
Product with other specifications can be customized.
■6inch 4H-SI スペック 500um
| Parameter | Unit | Specification | ||
| Grade | Production | Research | Dummy | |
| Size | 6inch | |||
| Diameter | mm | 150±0.2 | 150±0.5 | |
| Thickness | μm | 500±25 | 500±40 | |
| Polytype | 4H-SiC | |||
| Surface Orientation | <0001>±0.2° | <0001>±0.5° | ||
| (0004)FWHM | arcsec | ≤80 arcsec | ≤100 arcsec | N/A |
| Resistivity | Ω・cm | ≥1E9 | ≥1E8 | ≥1E5 |
| Primary Flat Orientation | {10 10}±1.0° | N/A | ||
| notch | mm | 1-1.5 | 0.5-2.0 | |
| LTV-Max | μm | ≤2 | ≤3 | ≤5 |
| TTV | μm | ≤5 | ≤8 | ≤15 |
| Bow | μm | 0±15 | 0±20 | 0±30 |
| Warp | μm | ≤25 | ≤30 | ≤45 |
| Micropipe Density | cm-2 | ≤0.15 | ≤0.5 | ≤5 |
| Metal Contamination | atoms / cm2 | <1E11 | <1E12 | |
| Back Scratch by high intensity light | None | N/A | ||
| Surface Roughness | nm | C-face:mirror polished, Ra<3.0 | ||
| Si-face:CMP, Ra<0.2 | ||||
| Foreign Polytypes* | None | ≤3mm | ≤5mm | |
| Polycrystal* | None | ≤3mm | ≤5mm | |
| Hex Platesby High Intensity Light* | None | ≤3mm | ≤5mm | |
| Pinholes | number | None | 1 allowed | N/A |
| Cracks* | number | None | ≤3mm | ≤3mm |
| Edge chip | number | None | 2 allowed, <1.0mm width & depth | |
| Si Scratchon Siface | mm | Cumulative scratch length<50 | Cumulative scratch length<100 | Cumulative scratch length<250 |
| Stain(both faces) | mm | None | ||
*Defects limits apply to entire wafer surface including the edg eexclusion area.
Product with other specifications can be customized.
■8inc 4H-N SiC 基板仕様
| Parameter | Unit | Specification | ||
| Grade | Production | Research | Dummy | |
| Size | 8inch | |||
| Diameter | mm | 200±0.2 | 200±0.5 | |
| Thickness | μm | 350±25 / 500±25 | 350±40 / 500±40 | |
| Polytype | 4H-N | |||
| Surface Orientation | 4.0° toward<11`20>±0.5° | N/A | ||
| Dopant | Nitrogen | |||
| Resistivity | Ω・cm | 0.015~0.028 | 0.015~0.028 | N/A |
| Primary Flat Orientation | {10 10}±1.0° | N/A | ||
| notch | mm | 1-1.5 | 0.5-2.0 | |
| LTV-Max | μm | ≤2 | ≤3 | ≤5 |
| TTV | μm | ≤5 | ≤8 | ≤10 |
| Bow | μm | 0±20 | 0±25 | 0±30 |
| Warp | μm | ≤25 | ≤40 | ≤60 |
| Micropipe Density | cm-2 | ≤0.2 | ≤0.5 | ≤5 |
| TED | cm-2 | <3000 | <6000 | <10000 |
| BPD | cm-2 | <600 | <1000 | <3000 |
| TSD | cm-2 | <200 | <500 | <3000 |
| BSF/SF | %area | <1% | N/A | |
| Metal Contamination | atoms / cm2 | <1E11 | <1E12 | |
| Back Scratch by high intensity light | None | N/A | ||
| Surface Roughness | nm | C-face:mirror polished, Ra<3.0 | ||
| Si-face:CMP, Ra<0.2 | ||||
| Foreign Polytypes* | None | Allowed within 5mm edge exclusion area |
||
| Polycrystal* | None | Allowed within 5mm edge exclusion area |
||
| Hex Platesby High Intensity Light* | None | Allowed within 5mm edge exclusion area |
||
| Pinholes | number | None | N/A | |
| Cracks* | number | None | Allowed within 3mm edge exclusion area |
|
| Edge chip | number | None | ||
| Si Scratchon Siface | mm | Cumulative scratch length<50 | Cumulative scratch length<100 | Cumulative scratch length<250 |
| Stain(both faces) | mm | None | ||
*Defects limits apply to entire wafer surface including the edg eexclusion area.
Product with other specifications can be customized.

