Basic Info.
Product Description
Thermal Oxide Silicon Wafer
Thermal oxide (Si+SiO2) or silicon dioxide layer is formed on a bare silicon wafer surface at elevated temperature in an oxidant's presence through the thermal oxidation process. It is usually grown in a horizontal tube furnace with a temperature range from 900°C ~ 1200°C, using either a "Wet" or "Dry" growth method.
Thermal oxide is a kind of "grown" oxide layer. Compared to the CVD deposited oxide layer, it is an excellent dielectric layer as an insulator with higher uniformity and higher dielectric strength. For most silicon-based devices, the thermal oxide layer is a significant material for pacifying the silicon surface to act as doping barriers and surface dielectrics.
AEM provides thermal oxide wafers in diameter from 1" to 12" with prime grade and defect-free silicon wafers as substrate for growing high uniformity and excellent quality thermal oxide layer to meet customers' specifications.
Thermal Oxide Silicon Wafer Physical Properties
Material | Si+SiO2 |
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Structure | M3 |
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Melting Point | 1420ºC |
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Density(g/cm3) | 2.4 g/cm3 |
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Doped Material | undoped | B-doped | P-doped |
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Type | P /N | P | N |
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Resistivity | >1000 Ωcm | 10-3 ~40 Ωcm | 0.05~0.1 Ωcm |
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Thermal-expans | ≤100/cm2 | ≤100/cm2 | ≤100/cm2 |
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Oxide Thickness | 300~ 500nm (customized sizes are available. |
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Thermal Oxide Silicon Wafer Specifications
Size | 10x10, 15x15, 20x 15, 20x 20 (customized sizes are available) |
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Dia 1'', Dia 2'',Dia 3'', Dia 4'', Dia 5'' Dia 6'', Dia 8''. Dia12'' |
Thickness | 0.3- 0.5mm, 1.0mm |
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Polished | SSP or DSP |
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Orientation | <100>,<110>, <111> |
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Redirection Precision | ±0.5° |
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Redirection the Edge | 2°(special in 1°) |
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Thermal Oxide Silicon Wafer Package
Packaged with class 100 clean bag or wafer container in a class 1000 clean room.
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Address:
Rm. 408, Building 1, No. 31, Yinshan Road Yuelu District, Changsha, Hunan, China
Business Type:
Manufacturer/Factory
Business Range:
Chemicals, Manufacturing & Processing Machinery
Management System Certification:
ISO 9001, ISO 9000
Company Introduction:
Changsha Advanced Engineering Materials Limited (AEM) is an international company involved in the R & D, manufacturing and sales of all kinds of high-tech materials. We provide worldwide research institutes and high-tech enterprises with high purity non-ferrous materials, customized alloys, compounds and almost every kind of complicated synthetic material, etc. We have great advantages in magnetron sputtering targets, vacuum coating materials, high-purity metals, high-purity compounds, rare-earth metals, distilled rare-earth metals, coated substrates, etc.